Deprecated (16384): The ArrayAccess methods will be removed in 4.0.0.Use getParam(), getData() and getQuery() instead. - /home/brlfuser/public_html/src/Controller/ArtileDetailController.php, line: 73
 You can disable deprecation warnings by setting `Error.errorLevel` to `E_ALL & ~E_USER_DEPRECATED` in your config/app.php. [CORE/src/Core/functions.php, line 311]
Code Context


        trigger_error($message, E_USER_DEPRECATED);

    }
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 You can disable deprecation warnings by setting `Error.errorLevel` to `E_ALL & ~E_USER_DEPRECATED` in your config/app.php.'
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deprecationWarning - CORE/src/Core/functions.php, line 311
Cake\Http\ServerRequest::offsetGet() - CORE/src/Http/ServerRequest.php, line 2421
App\Controller\ArtileDetailController::printArticle() - APP/Controller/ArtileDetailController.php, line 73
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Cake\Http\ActionDispatcher::_invoke() - CORE/src/Http/ActionDispatcher.php, line 120
Cake\Http\ActionDispatcher::dispatch() - CORE/src/Http/ActionDispatcher.php, line 94
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Cake\Http\Runner::__invoke() - CORE/src/Http/Runner.php, line 65
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Cake\Http\Runner::__invoke() - CORE/src/Http/Runner.php, line 65
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Cake\Http\Runner::__invoke() - CORE/src/Http/Runner.php, line 65
Cake\Error\Middleware\ErrorHandlerMiddleware::__invoke() - CORE/src/Error/Middleware/ErrorHandlerMiddleware.php, line 96
Cake\Http\Runner::__invoke() - CORE/src/Http/Runner.php, line 65
Cake\Http\Runner::run() - CORE/src/Http/Runner.php, line 51
Cake\Http\Server::run() - CORE/src/Http/Server.php, line 98

Deprecated (16384): The ArrayAccess methods will be removed in 4.0.0.Use getParam(), getData() and getQuery() instead. - /home/brlfuser/public_html/src/Controller/ArtileDetailController.php, line: 74
 You can disable deprecation warnings by setting `Error.errorLevel` to `E_ALL & ~E_USER_DEPRECATED` in your config/app.php. [CORE/src/Core/functions.php, line 311]
Code Context


        trigger_error($message, E_USER_DEPRECATED);

    }
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 You can disable deprecation warnings by setting `Error.errorLevel` to `E_ALL & ~E_USER_DEPRECATED` in your config/app.php.'
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deprecationWarning - CORE/src/Core/functions.php, line 311
Cake\Http\ServerRequest::offsetGet() - CORE/src/Http/ServerRequest.php, line 2421
App\Controller\ArtileDetailController::printArticle() - APP/Controller/ArtileDetailController.php, line 74
Cake\Controller\Controller::invokeAction() - CORE/src/Controller/Controller.php, line 610
Cake\Http\ActionDispatcher::_invoke() - CORE/src/Http/ActionDispatcher.php, line 120
Cake\Http\ActionDispatcher::dispatch() - CORE/src/Http/ActionDispatcher.php, line 94
Cake\Http\BaseApplication::__invoke() - CORE/src/Http/BaseApplication.php, line 235
Cake\Http\Runner::__invoke() - CORE/src/Http/Runner.php, line 65
Cake\Routing\Middleware\RoutingMiddleware::__invoke() - CORE/src/Routing/Middleware/RoutingMiddleware.php, line 162
Cake\Http\Runner::__invoke() - CORE/src/Http/Runner.php, line 65
Cake\Routing\Middleware\AssetMiddleware::__invoke() - CORE/src/Routing/Middleware/AssetMiddleware.php, line 88
Cake\Http\Runner::__invoke() - CORE/src/Http/Runner.php, line 65
Cake\Error\Middleware\ErrorHandlerMiddleware::__invoke() - CORE/src/Error/Middleware/ErrorHandlerMiddleware.php, line 96
Cake\Http\Runner::__invoke() - CORE/src/Http/Runner.php, line 65
Cake\Http\Runner::run() - CORE/src/Http/Runner.php, line 51
Cake\Http\Server::run() - CORE/src/Http/Server.php, line 98

Warning (512): Unable to emit headers. Headers sent in file=/home/brlfuser/public_html/vendor/cakephp/cakephp/src/Error/Debugger.php line=853 [CORE/src/Http/ResponseEmitter.php, line 48]
Code Context
            if (Configure::read('debug')) {

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</span></span></code>
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-The Hindu&lt;br /&gt;
&lt;br /&gt;
&lt;em&gt;Phenomenon observed in cities&lt;br /&gt;
&lt;br /&gt;
Chennai:&lt;/em&gt; Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades.&lt;br /&gt;
&lt;br /&gt;
The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between 1979 and 2015, say researchers from the Indian Institute of Technology-Gandhinagar.&lt;br /&gt;
&lt;br /&gt;
Currently, rainfall data is reported on 24-hour basis and long-term sub-daily observations are limited. In cities, heavy downpour for less than an hour can create urban flooding due to large impervious area.&lt;br /&gt;
&lt;br /&gt;
&amp;ldquo;Since heavy rainfall for less than an hour causes flooding and deaths, it is now necessary to record the amount of rainfall every 15 minutes especially in the urban areas,&amp;rdquo; says Prof. Vimal Mishra from the Department of Civil Engineering at IIT-Gandhinagar and corresponding author of the paper published in the journal Geophysical Research Letters.&lt;br /&gt;
&lt;br /&gt;
Most of the previous studies have considered changes in atmospheric moisture on account of local or global change in climate warming (thermodynamic). But extreme precipitation is also linked to variations in atmospheric motion and vertical wind velocity (dynamic).&lt;br /&gt;
&lt;br /&gt;
&lt;em&gt;Profound implications&lt;br /&gt;
&lt;/em&gt;&lt;br /&gt;
&amp;ldquo;Though rainfall extremes have profound implications for urban areas, the response of short-duration rainfall extremes in India to thermodynamic and dynamic changes remains largely unexplored,&amp;rdquo; says Haider Ali from the Department of Civil Engineering at IIT-Gandhinagar and first author of the paper.&lt;br /&gt;
&lt;br /&gt;
The two-member team from IIT-Gandhinagar found that climate warming and dynamic contributions are 1.5 times more in the case of sub-daily extreme rainfall than daily extreme rainfall.&lt;br /&gt;
&lt;br /&gt;
The team found that changes in sub-daily precipitation extremes are more strongly related to variations in the atmospheric motion and increase in vertical velocity than the increase in atmospheric moisture content and climate warming.&lt;br /&gt;
&lt;br /&gt;
Please &lt;a href=&quot;http://www.thehindu.com/sci-tech/energy-and-environment/spells-of-heavy-rainfall-see-two-fold-increase/article22916308.ece&quot;&gt;click here&lt;/a&gt; to read more.
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Phenomenon observed in cities

Chennai: Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades.

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&lt;br /&gt;
&lt;em&gt;Phenomenon observed in cities&lt;br /&gt;
&lt;br /&gt;
Chennai:&lt;/em&gt; Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades.&lt;br /&gt;
&lt;br /&gt;
The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between 1979 and 2015, say researchers from the Indian Institute of Technology-Gandhinagar.&lt;br /&gt;
&lt;br /&gt;
Currently, rainfall data is reported on 24-hour basis and long-term sub-daily observations are limited. In cities, heavy downpour for less than an hour can create urban flooding due to large impervious area.&lt;br /&gt;
&lt;br /&gt;
&amp;ldquo;Since heavy rainfall for less than an hour causes flooding and deaths, it is now necessary to record the amount of rainfall every 15 minutes especially in the urban areas,&amp;rdquo; says Prof. Vimal Mishra from the Department of Civil Engineering at IIT-Gandhinagar and corresponding author of the paper published in the journal Geophysical Research Letters.&lt;br /&gt;
&lt;br /&gt;
Most of the previous studies have considered changes in atmospheric moisture on account of local or global change in climate warming (thermodynamic). But extreme precipitation is also linked to variations in atmospheric motion and vertical wind velocity (dynamic).&lt;br /&gt;
&lt;br /&gt;
&lt;em&gt;Profound implications&lt;br /&gt;
&lt;/em&gt;&lt;br /&gt;
&amp;ldquo;Though rainfall extremes have profound implications for urban areas, the response of short-duration rainfall extremes in India to thermodynamic and dynamic changes remains largely unexplored,&amp;rdquo; says Haider Ali from the Department of Civil Engineering at IIT-Gandhinagar and first author of the paper.&lt;br /&gt;
&lt;br /&gt;
The two-member team from IIT-Gandhinagar found that climate warming and dynamic contributions are 1.5 times more in the case of sub-daily extreme rainfall than daily extreme rainfall.&lt;br /&gt;
&lt;br /&gt;
The team found that changes in sub-daily precipitation extremes are more strongly related to variations in the atmospheric motion and increase in vertical velocity than the increase in atmospheric moisture content and climate warming.&lt;br /&gt;
&lt;br /&gt;
Please &lt;a href=&quot;http://www.thehindu.com/sci-tech/energy-and-environment/spells-of-heavy-rainfall-see-two-fold-increase/article22916308.ece&quot;&gt;click here&lt;/a&gt; to read more.
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-The Hindu

Phenomenon observed in cities

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The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between...&#039;
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-The Hindu

Phenomenon observed in cities

Chennai: Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades.

The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between..."/>
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                <div align="justify">-The Hindu<br /><br /><em>Phenomenon observed in cities<br /><br />Chennai:</em> Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades.<br /><br />The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between 1979 and 2015, say researchers from the Indian Institute of Technology-Gandhinagar.<br /><br />Currently, rainfall data is reported on 24-hour basis and long-term sub-daily observations are limited. In cities, heavy downpour for less than an hour can create urban flooding due to large impervious area.<br /><br />&ldquo;Since heavy rainfall for less than an hour causes flooding and deaths, it is now necessary to record the amount of rainfall every 15 minutes especially in the urban areas,&rdquo; says Prof. Vimal Mishra from the Department of Civil Engineering at IIT-Gandhinagar and corresponding author of the paper published in the journal Geophysical Research Letters.<br /><br />Most of the previous studies have considered changes in atmospheric moisture on account of local or global change in climate warming (thermodynamic). But extreme precipitation is also linked to variations in atmospheric motion and vertical wind velocity (dynamic).<br /><br /><em>Profound implications<br /></em><br />&ldquo;Though rainfall extremes have profound implications for urban areas, the response of short-duration rainfall extremes in India to thermodynamic and dynamic changes remains largely unexplored,&rdquo; says Haider Ali from the Department of Civil Engineering at IIT-Gandhinagar and first author of the paper.<br /><br />The two-member team from IIT-Gandhinagar found that climate warming and dynamic contributions are 1.5 times more in the case of sub-daily extreme rainfall than daily extreme rainfall.<br /><br />The team found that changes in sub-daily precipitation extremes are more strongly related to variations in the atmospheric motion and increase in vertical velocity than the increase in atmospheric moisture content and climate warming.<br /><br />Please <a href="http://www.thehindu.com/sci-tech/energy-and-environment/spells-of-heavy-rainfall-see-two-fold-increase/article22916308.ece" title="http://www.thehindu.com/sci-tech/energy-and-environment/spells-of-heavy-rainfall-see-two-fold-increase/article22916308.ece">click here</a> to read more.</div>               </font>
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    <link rel="canonical" href="https://im4change.in/<pre class="cake-error"><a href="javascript:void(0);" onclick="document.getElementById('cakeErr67f1e2e62e66a-trace').style.display = (document.getElementById('cakeErr67f1e2e62e66a-trace').style.display == 'none' ? '' : 'none');"><b>Notice</b> (8)</a>: Undefined variable: urlPrefix [<b>APP/Template/Layout/printlayout.ctp</b>, line <b>8</b>]<div id="cakeErr67f1e2e62e66a-trace" class="cake-stack-trace" style="display: none;"><a href="javascript:void(0);" onclick="document.getElementById('cakeErr67f1e2e62e66a-code').style.display = (document.getElementById('cakeErr67f1e2e62e66a-code').style.display == 'none' ? '' : 'none')">Code</a> <a href="javascript:void(0);" onclick="document.getElementById('cakeErr67f1e2e62e66a-context').style.display = (document.getElementById('cakeErr67f1e2e62e66a-context').style.display == 'none' ? '' : 'none')">Context</a><pre id="cakeErr67f1e2e62e66a-code" class="cake-code-dump" style="display: none;"><code><span style="color: #000000"><span style="color: #0000BB"></span><span style="color: #007700">&lt;</span><span style="color: #0000BB">head</span><span style="color: #007700">&gt;
</span></span></code>
<span class="code-highlight"><code><span style="color: #000000">&nbsp;&nbsp;&nbsp;&nbsp;&lt;link&nbsp;rel="canonical"&nbsp;href="<span style="color: #0000BB">&lt;?php&nbsp;</span><span style="color: #007700">echo&nbsp;</span><span style="color: #0000BB">Configure</span><span style="color: #007700">::</span><span style="color: #0000BB">read</span><span style="color: #007700">(</span><span style="color: #DD0000">'SITE_URL'</span><span style="color: #007700">);&nbsp;</span><span style="color: #0000BB">?&gt;&lt;?php&nbsp;</span><span style="color: #007700">echo&nbsp;</span><span style="color: #0000BB">$urlPrefix</span><span style="color: #007700">;</span><span style="color: #0000BB">?&gt;&lt;?php&nbsp;</span><span style="color: #007700">echo&nbsp;</span><span style="color: #0000BB">$article_current</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">category</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">slug</span><span style="color: #007700">;&nbsp;</span><span style="color: #0000BB">?&gt;</span>/<span style="color: #0000BB">&lt;?php&nbsp;</span><span style="color: #007700">echo&nbsp;</span><span style="color: #0000BB">$article_current</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">seo_url</span><span style="color: #007700">;&nbsp;</span><span style="color: #0000BB">?&gt;</span>.html"/&gt;
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</span></span></code></pre><pre id="cakeErr67f1e2e62e66a-context" class="cake-context" style="display: none;">$viewFile = &#039;/home/brlfuser/public_html/src/Template/Layout/printlayout.ctp&#039;
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-The Hindu&lt;br /&gt;
&lt;br /&gt;
&lt;em&gt;Phenomenon observed in cities&lt;br /&gt;
&lt;br /&gt;
Chennai:&lt;/em&gt; Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades.&lt;br /&gt;
&lt;br /&gt;
The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between 1979 and 2015, say researchers from the Indian Institute of Technology-Gandhinagar.&lt;br /&gt;
&lt;br /&gt;
Currently, rainfall data is reported on 24-hour basis and long-term sub-daily observations are limited. In cities, heavy downpour for less than an hour can create urban flooding due to large impervious area.&lt;br /&gt;
&lt;br /&gt;
&amp;ldquo;Since heavy rainfall for less than an hour causes flooding and deaths, it is now necessary to record the amount of rainfall every 15 minutes especially in the urban areas,&amp;rdquo; says Prof. Vimal Mishra from the Department of Civil Engineering at IIT-Gandhinagar and corresponding author of the paper published in the journal Geophysical Research Letters.&lt;br /&gt;
&lt;br /&gt;
Most of the previous studies have considered changes in atmospheric moisture on account of local or global change in climate warming (thermodynamic). But extreme precipitation is also linked to variations in atmospheric motion and vertical wind velocity (dynamic).&lt;br /&gt;
&lt;br /&gt;
&lt;em&gt;Profound implications&lt;br /&gt;
&lt;/em&gt;&lt;br /&gt;
&amp;ldquo;Though rainfall extremes have profound implications for urban areas, the response of short-duration rainfall extremes in India to thermodynamic and dynamic changes remains largely unexplored,&amp;rdquo; says Haider Ali from the Department of Civil Engineering at IIT-Gandhinagar and first author of the paper.&lt;br /&gt;
&lt;br /&gt;
The two-member team from IIT-Gandhinagar found that climate warming and dynamic contributions are 1.5 times more in the case of sub-daily extreme rainfall than daily extreme rainfall.&lt;br /&gt;
&lt;br /&gt;
The team found that changes in sub-daily precipitation extremes are more strongly related to variations in the atmospheric motion and increase in vertical velocity than the increase in atmospheric moisture content and climate warming.&lt;br /&gt;
&lt;br /&gt;
Please &lt;a href=&quot;http://www.thehindu.com/sci-tech/energy-and-environment/spells-of-heavy-rainfall-see-two-fold-increase/article22916308.ece&quot;&gt;click here&lt;/a&gt; to read more.
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Phenomenon observed in cities

Chennai: Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades.

The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between...&#039;,
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&lt;br /&gt;
&lt;em&gt;Phenomenon observed in cities&lt;br /&gt;
&lt;br /&gt;
Chennai:&lt;/em&gt; Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades.&lt;br /&gt;
&lt;br /&gt;
The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between 1979 and 2015, say researchers from the Indian Institute of Technology-Gandhinagar.&lt;br /&gt;
&lt;br /&gt;
Currently, rainfall data is reported on 24-hour basis and long-term sub-daily observations are limited. In cities, heavy downpour for less than an hour can create urban flooding due to large impervious area.&lt;br /&gt;
&lt;br /&gt;
&amp;ldquo;Since heavy rainfall for less than an hour causes flooding and deaths, it is now necessary to record the amount of rainfall every 15 minutes especially in the urban areas,&amp;rdquo; says Prof. Vimal Mishra from the Department of Civil Engineering at IIT-Gandhinagar and corresponding author of the paper published in the journal Geophysical Research Letters.&lt;br /&gt;
&lt;br /&gt;
Most of the previous studies have considered changes in atmospheric moisture on account of local or global change in climate warming (thermodynamic). But extreme precipitation is also linked to variations in atmospheric motion and vertical wind velocity (dynamic).&lt;br /&gt;
&lt;br /&gt;
&lt;em&gt;Profound implications&lt;br /&gt;
&lt;/em&gt;&lt;br /&gt;
&amp;ldquo;Though rainfall extremes have profound implications for urban areas, the response of short-duration rainfall extremes in India to thermodynamic and dynamic changes remains largely unexplored,&amp;rdquo; says Haider Ali from the Department of Civil Engineering at IIT-Gandhinagar and first author of the paper.&lt;br /&gt;
&lt;br /&gt;
The two-member team from IIT-Gandhinagar found that climate warming and dynamic contributions are 1.5 times more in the case of sub-daily extreme rainfall than daily extreme rainfall.&lt;br /&gt;
&lt;br /&gt;
The team found that changes in sub-daily precipitation extremes are more strongly related to variations in the atmospheric motion and increase in vertical velocity than the increase in atmospheric moisture content and climate warming.&lt;br /&gt;
&lt;br /&gt;
Please &lt;a href=&quot;http://www.thehindu.com/sci-tech/energy-and-environment/spells-of-heavy-rainfall-see-two-fold-increase/article22916308.ece&quot;&gt;click here&lt;/a&gt; to read more.
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Phenomenon observed in cities

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The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between...&#039;
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-The Hindu

Phenomenon observed in cities

Chennai: Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades.

The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between..."/>
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                <strong>Spells of heavy rainfall see two-fold increase -R Prasad</strong></h1>
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                <div align="justify">-The Hindu<br /><br /><em>Phenomenon observed in cities<br /><br />Chennai:</em> Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades.<br /><br />The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between 1979 and 2015, say researchers from the Indian Institute of Technology-Gandhinagar.<br /><br />Currently, rainfall data is reported on 24-hour basis and long-term sub-daily observations are limited. In cities, heavy downpour for less than an hour can create urban flooding due to large impervious area.<br /><br />&ldquo;Since heavy rainfall for less than an hour causes flooding and deaths, it is now necessary to record the amount of rainfall every 15 minutes especially in the urban areas,&rdquo; says Prof. Vimal Mishra from the Department of Civil Engineering at IIT-Gandhinagar and corresponding author of the paper published in the journal Geophysical Research Letters.<br /><br />Most of the previous studies have considered changes in atmospheric moisture on account of local or global change in climate warming (thermodynamic). But extreme precipitation is also linked to variations in atmospheric motion and vertical wind velocity (dynamic).<br /><br /><em>Profound implications<br /></em><br />&ldquo;Though rainfall extremes have profound implications for urban areas, the response of short-duration rainfall extremes in India to thermodynamic and dynamic changes remains largely unexplored,&rdquo; says Haider Ali from the Department of Civil Engineering at IIT-Gandhinagar and first author of the paper.<br /><br />The two-member team from IIT-Gandhinagar found that climate warming and dynamic contributions are 1.5 times more in the case of sub-daily extreme rainfall than daily extreme rainfall.<br /><br />The team found that changes in sub-daily precipitation extremes are more strongly related to variations in the atmospheric motion and increase in vertical velocity than the increase in atmospheric moisture content and climate warming.<br /><br />Please <a href="http://www.thehindu.com/sci-tech/energy-and-environment/spells-of-heavy-rainfall-see-two-fold-increase/article22916308.ece" title="http://www.thehindu.com/sci-tech/energy-and-environment/spells-of-heavy-rainfall-see-two-fold-increase/article22916308.ece">click here</a> to read more.</div>               </font>
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-The Hindu&lt;br /&gt;
&lt;br /&gt;
&lt;em&gt;Phenomenon observed in cities&lt;br /&gt;
&lt;br /&gt;
Chennai:&lt;/em&gt; Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades.&lt;br /&gt;
&lt;br /&gt;
The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between 1979 and 2015, say researchers from the Indian Institute of Technology-Gandhinagar.&lt;br /&gt;
&lt;br /&gt;
Currently, rainfall data is reported on 24-hour basis and long-term sub-daily observations are limited. In cities, heavy downpour for less than an hour can create urban flooding due to large impervious area.&lt;br /&gt;
&lt;br /&gt;
&amp;ldquo;Since heavy rainfall for less than an hour causes flooding and deaths, it is now necessary to record the amount of rainfall every 15 minutes especially in the urban areas,&amp;rdquo; says Prof. Vimal Mishra from the Department of Civil Engineering at IIT-Gandhinagar and corresponding author of the paper published in the journal Geophysical Research Letters.&lt;br /&gt;
&lt;br /&gt;
Most of the previous studies have considered changes in atmospheric moisture on account of local or global change in climate warming (thermodynamic). But extreme precipitation is also linked to variations in atmospheric motion and vertical wind velocity (dynamic).&lt;br /&gt;
&lt;br /&gt;
&lt;em&gt;Profound implications&lt;br /&gt;
&lt;/em&gt;&lt;br /&gt;
&amp;ldquo;Though rainfall extremes have profound implications for urban areas, the response of short-duration rainfall extremes in India to thermodynamic and dynamic changes remains largely unexplored,&amp;rdquo; says Haider Ali from the Department of Civil Engineering at IIT-Gandhinagar and first author of the paper.&lt;br /&gt;
&lt;br /&gt;
The two-member team from IIT-Gandhinagar found that climate warming and dynamic contributions are 1.5 times more in the case of sub-daily extreme rainfall than daily extreme rainfall.&lt;br /&gt;
&lt;br /&gt;
The team found that changes in sub-daily precipitation extremes are more strongly related to variations in the atmospheric motion and increase in vertical velocity than the increase in atmospheric moisture content and climate warming.&lt;br /&gt;
&lt;br /&gt;
Please &lt;a href=&quot;http://www.thehindu.com/sci-tech/energy-and-environment/spells-of-heavy-rainfall-see-two-fold-increase/article22916308.ece&quot;&gt;click here&lt;/a&gt; to read more.
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Phenomenon observed in cities

Chennai: Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades.

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&lt;br /&gt;
&lt;em&gt;Phenomenon observed in cities&lt;br /&gt;
&lt;br /&gt;
Chennai:&lt;/em&gt; Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades.&lt;br /&gt;
&lt;br /&gt;
The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between 1979 and 2015, say researchers from the Indian Institute of Technology-Gandhinagar.&lt;br /&gt;
&lt;br /&gt;
Currently, rainfall data is reported on 24-hour basis and long-term sub-daily observations are limited. In cities, heavy downpour for less than an hour can create urban flooding due to large impervious area.&lt;br /&gt;
&lt;br /&gt;
&amp;ldquo;Since heavy rainfall for less than an hour causes flooding and deaths, it is now necessary to record the amount of rainfall every 15 minutes especially in the urban areas,&amp;rdquo; says Prof. Vimal Mishra from the Department of Civil Engineering at IIT-Gandhinagar and corresponding author of the paper published in the journal Geophysical Research Letters.&lt;br /&gt;
&lt;br /&gt;
Most of the previous studies have considered changes in atmospheric moisture on account of local or global change in climate warming (thermodynamic). But extreme precipitation is also linked to variations in atmospheric motion and vertical wind velocity (dynamic).&lt;br /&gt;
&lt;br /&gt;
&lt;em&gt;Profound implications&lt;br /&gt;
&lt;/em&gt;&lt;br /&gt;
&amp;ldquo;Though rainfall extremes have profound implications for urban areas, the response of short-duration rainfall extremes in India to thermodynamic and dynamic changes remains largely unexplored,&amp;rdquo; says Haider Ali from the Department of Civil Engineering at IIT-Gandhinagar and first author of the paper.&lt;br /&gt;
&lt;br /&gt;
The two-member team from IIT-Gandhinagar found that climate warming and dynamic contributions are 1.5 times more in the case of sub-daily extreme rainfall than daily extreme rainfall.&lt;br /&gt;
&lt;br /&gt;
The team found that changes in sub-daily precipitation extremes are more strongly related to variations in the atmospheric motion and increase in vertical velocity than the increase in atmospheric moisture content and climate warming.&lt;br /&gt;
&lt;br /&gt;
Please &lt;a href=&quot;http://www.thehindu.com/sci-tech/energy-and-environment/spells-of-heavy-rainfall-see-two-fold-increase/article22916308.ece&quot;&gt;click here&lt;/a&gt; to read more.
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Phenomenon observed in cities

Chennai: Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades.

The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between...&#039;
$disp = &#039;&lt;div align=&quot;justify&quot;&gt;-The Hindu&lt;br /&gt;&lt;br /&gt;&lt;em&gt;Phenomenon observed in cities&lt;br /&gt;&lt;br /&gt;Chennai:&lt;/em&gt; Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades.&lt;br /&gt;&lt;br /&gt;The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between 1979 and 2015, say researchers from the Indian Institute of Technology-Gandhinagar.&lt;br /&gt;&lt;br /&gt;Currently, rainfall data is reported on 24-hour basis and long-term sub-daily observations are limited. In cities, heavy downpour for less than an hour can create urban flooding due to large impervious area.&lt;br /&gt;&lt;br /&gt;&amp;ldquo;Since heavy rainfall for less than an hour causes flooding and deaths, it is now necessary to record the amount of rainfall every 15 minutes especially in the urban areas,&amp;rdquo; says Prof. Vimal Mishra from the Department of Civil Engineering at IIT-Gandhinagar and corresponding author of the paper published in the journal Geophysical Research Letters.&lt;br /&gt;&lt;br /&gt;Most of the previous studies have considered changes in atmospheric moisture on account of local or global change in climate warming (thermodynamic). But extreme precipitation is also linked to variations in atmospheric motion and vertical wind velocity (dynamic).&lt;br /&gt;&lt;br /&gt;&lt;em&gt;Profound implications&lt;br /&gt;&lt;/em&gt;&lt;br /&gt;&amp;ldquo;Though rainfall extremes have profound implications for urban areas, the response of short-duration rainfall extremes in India to thermodynamic and dynamic changes remains largely unexplored,&amp;rdquo; says Haider Ali from the Department of Civil Engineering at IIT-Gandhinagar and first author of the paper.&lt;br /&gt;&lt;br /&gt;The two-member team from IIT-Gandhinagar found that climate warming and dynamic contributions are 1.5 times more in the case of sub-daily extreme rainfall than daily extreme rainfall.&lt;br /&gt;&lt;br /&gt;The team found that changes in sub-daily precipitation extremes are more strongly related to variations in the atmospheric motion and increase in vertical velocity than the increase in atmospheric moisture content and climate warming.&lt;br /&gt;&lt;br /&gt;Please &lt;a href=&quot;http://www.thehindu.com/sci-tech/energy-and-environment/spells-of-heavy-rainfall-see-two-fold-increase/article22916308.ece&quot; title=&quot;http://www.thehindu.com/sci-tech/energy-and-environment/spells-of-heavy-rainfall-see-two-fold-increase/article22916308.ece&quot;&gt;click here&lt;/a&gt; to read more.&lt;/div&gt;&#039;
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-The Hindu

Phenomenon observed in cities

Chennai: Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades.

The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between..."/>
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                <strong>Spells of heavy rainfall see two-fold increase -R Prasad</strong></h1>
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                <div align="justify">-The Hindu<br /><br /><em>Phenomenon observed in cities<br /><br />Chennai:</em> Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades.<br /><br />The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between 1979 and 2015, say researchers from the Indian Institute of Technology-Gandhinagar.<br /><br />Currently, rainfall data is reported on 24-hour basis and long-term sub-daily observations are limited. In cities, heavy downpour for less than an hour can create urban flooding due to large impervious area.<br /><br />&ldquo;Since heavy rainfall for less than an hour causes flooding and deaths, it is now necessary to record the amount of rainfall every 15 minutes especially in the urban areas,&rdquo; says Prof. Vimal Mishra from the Department of Civil Engineering at IIT-Gandhinagar and corresponding author of the paper published in the journal Geophysical Research Letters.<br /><br />Most of the previous studies have considered changes in atmospheric moisture on account of local or global change in climate warming (thermodynamic). But extreme precipitation is also linked to variations in atmospheric motion and vertical wind velocity (dynamic).<br /><br /><em>Profound implications<br /></em><br />&ldquo;Though rainfall extremes have profound implications for urban areas, the response of short-duration rainfall extremes in India to thermodynamic and dynamic changes remains largely unexplored,&rdquo; says Haider Ali from the Department of Civil Engineering at IIT-Gandhinagar and first author of the paper.<br /><br />The two-member team from IIT-Gandhinagar found that climate warming and dynamic contributions are 1.5 times more in the case of sub-daily extreme rainfall than daily extreme rainfall.<br /><br />The team found that changes in sub-daily precipitation extremes are more strongly related to variations in the atmospheric motion and increase in vertical velocity than the increase in atmospheric moisture content and climate warming.<br /><br />Please <a href="http://www.thehindu.com/sci-tech/energy-and-environment/spells-of-heavy-rainfall-see-two-fold-increase/article22916308.ece" title="http://www.thehindu.com/sci-tech/energy-and-environment/spells-of-heavy-rainfall-see-two-fold-increase/article22916308.ece">click here</a> to read more.</div>               </font>
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-The Hindu<br />
<br />
<em>Phenomenon observed in cities<br />
<br />
Chennai:</em> Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades.<br />
<br />
The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between 1979 and 2015, say researchers from the Indian Institute of Technology-Gandhinagar.<br />
<br />
Currently, rainfall data is reported on 24-hour basis and long-term sub-daily observations are limited. In cities, heavy downpour for less than an hour can create urban flooding due to large impervious area.<br />
<br />
&ldquo;Since heavy rainfall for less than an hour causes flooding and deaths, it is now necessary to record the amount of rainfall every 15 minutes especially in the urban areas,&rdquo; says Prof. Vimal Mishra from the Department of Civil Engineering at IIT-Gandhinagar and corresponding author of the paper published in the journal Geophysical Research Letters.<br />
<br />
Most of the previous studies have considered changes in atmospheric moisture on account of local or global change in climate warming (thermodynamic). But extreme precipitation is also linked to variations in atmospheric motion and vertical wind velocity (dynamic).<br />
<br />
<em>Profound implications<br />
</em><br />
&ldquo;Though rainfall extremes have profound implications for urban areas, the response of short-duration rainfall extremes in India to thermodynamic and dynamic changes remains largely unexplored,&rdquo; says Haider Ali from the Department of Civil Engineering at IIT-Gandhinagar and first author of the paper.<br />
<br />
The two-member team from IIT-Gandhinagar found that climate warming and dynamic contributions are 1.5 times more in the case of sub-daily extreme rainfall than daily extreme rainfall.<br />
<br />
The team found that changes in sub-daily precipitation extremes are more strongly related to variations in the atmospheric motion and increase in vertical velocity than the increase in atmospheric moisture content and climate warming.<br />
<br />
Please <a href="http://www.thehindu.com/sci-tech/energy-and-environment/spells-of-heavy-rainfall-see-two-fold-increase/article22916308.ece">click here</a> to read more.
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Phenomenon observed in cities

Chennai: Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades.

The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between...',
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-The Hindu<br />
<br />
<em>Phenomenon observed in cities<br />
<br />
Chennai:</em> Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades.<br />
<br />
The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between 1979 and 2015, say researchers from the Indian Institute of Technology-Gandhinagar.<br />
<br />
Currently, rainfall data is reported on 24-hour basis and long-term sub-daily observations are limited. In cities, heavy downpour for less than an hour can create urban flooding due to large impervious area.<br />
<br />
&ldquo;Since heavy rainfall for less than an hour causes flooding and deaths, it is now necessary to record the amount of rainfall every 15 minutes especially in the urban areas,&rdquo; says Prof. Vimal Mishra from the Department of Civil Engineering at IIT-Gandhinagar and corresponding author of the paper published in the journal Geophysical Research Letters.<br />
<br />
Most of the previous studies have considered changes in atmospheric moisture on account of local or global change in climate warming (thermodynamic). But extreme precipitation is also linked to variations in atmospheric motion and vertical wind velocity (dynamic).<br />
<br />
<em>Profound implications<br />
</em><br />
&ldquo;Though rainfall extremes have profound implications for urban areas, the response of short-duration rainfall extremes in India to thermodynamic and dynamic changes remains largely unexplored,&rdquo; says Haider Ali from the Department of Civil Engineering at IIT-Gandhinagar and first author of the paper.<br />
<br />
The two-member team from IIT-Gandhinagar found that climate warming and dynamic contributions are 1.5 times more in the case of sub-daily extreme rainfall than daily extreme rainfall.<br />
<br />
The team found that changes in sub-daily precipitation extremes are more strongly related to variations in the atmospheric motion and increase in vertical velocity than the increase in atmospheric moisture content and climate warming.<br />
<br />
Please <a href="http://www.thehindu.com/sci-tech/energy-and-environment/spells-of-heavy-rainfall-see-two-fold-increase/article22916308.ece">click here</a> to read more.
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-The Hindu

Phenomenon observed in cities

Chennai: Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades.

The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between...'
$disp = '<div align="justify">-The Hindu<br /><br /><em>Phenomenon observed in cities<br /><br />Chennai:</em> Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades.<br /><br />The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between 1979 and 2015, say researchers from the Indian Institute of Technology-Gandhinagar.<br /><br />Currently, rainfall data is reported on 24-hour basis and long-term sub-daily observations are limited. In cities, heavy downpour for less than an hour can create urban flooding due to large impervious area.<br /><br />&ldquo;Since heavy rainfall for less than an hour causes flooding and deaths, it is now necessary to record the amount of rainfall every 15 minutes especially in the urban areas,&rdquo; says Prof. Vimal Mishra from the Department of Civil Engineering at IIT-Gandhinagar and corresponding author of the paper published in the journal Geophysical Research Letters.<br /><br />Most of the previous studies have considered changes in atmospheric moisture on account of local or global change in climate warming (thermodynamic). But extreme precipitation is also linked to variations in atmospheric motion and vertical wind velocity (dynamic).<br /><br /><em>Profound implications<br /></em><br />&ldquo;Though rainfall extremes have profound implications for urban areas, the response of short-duration rainfall extremes in India to thermodynamic and dynamic changes remains largely unexplored,&rdquo; says Haider Ali from the Department of Civil Engineering at IIT-Gandhinagar and first author of the paper.<br /><br />The two-member team from IIT-Gandhinagar found that climate warming and dynamic contributions are 1.5 times more in the case of sub-daily extreme rainfall than daily extreme rainfall.<br /><br />The team found that changes in sub-daily precipitation extremes are more strongly related to variations in the atmospheric motion and increase in vertical velocity than the increase in atmospheric moisture content and climate warming.<br /><br />Please <a href="http://www.thehindu.com/sci-tech/energy-and-environment/spells-of-heavy-rainfall-see-two-fold-increase/article22916308.ece" title="http://www.thehindu.com/sci-tech/energy-and-environment/spells-of-heavy-rainfall-see-two-fold-increase/article22916308.ece">click here</a> to read more.</div>'
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Spells of heavy rainfall see two-fold increase -R Prasad

-The Hindu Phenomenon observed in cities Chennai: Very heavy rainfall lasting less than 24 hours (sub-daily) in urban locations in India has become more intense during the last few decades. The frequency of sub-daily rainfall extreme has also witnessed a two-fold increase between 1979 and 2015, say researchers from the Indian Institute of Technology-Gandhinagar. Currently, rainfall data is reported on 24-hour basis and long-term sub-daily observations are limited. In cities, heavy downpour for less than an hour can create urban flooding due to large impervious area. “Since heavy rainfall for less than an hour causes flooding and deaths, it is now necessary to record the amount of rainfall every 15 minutes especially in the urban areas,” says Prof. Vimal Mishra from the Department of Civil Engineering at IIT-Gandhinagar and corresponding author of the paper published in the journal Geophysical Research Letters. Most of the previous studies have considered changes in atmospheric moisture on account of local or global change in climate warming (thermodynamic). But extreme precipitation is also linked to variations in atmospheric motion and vertical wind velocity (dynamic). Profound implications “Though rainfall extremes have profound implications for urban areas, the response of short-duration rainfall extremes in India to thermodynamic and dynamic changes remains largely unexplored,” says Haider Ali from the Department of Civil Engineering at IIT-Gandhinagar and first author of the paper. The two-member team from IIT-Gandhinagar found that climate warming and dynamic contributions are 1.5 times more in the case of sub-daily extreme rainfall than daily extreme rainfall. The team found that changes in sub-daily precipitation extremes are more strongly related to variations in the atmospheric motion and increase in vertical velocity than the increase in atmospheric moisture content and climate warming. Please click here to read more.