Storage in Tamil Nadu Dams Remains Grim

June 23, 2017 7:23 am COMK 175

It is more than three weeks since Southwest Monsoon started over the Indian Sub Continent but the storage levels over most dams & reservoirs of Tamil Nadu & the Cauvery Basin continue to be grim with no appreciable progress so far. More on that a little later as we quickly note the progress of Southwest Monsoon and the rainfall prospects for the day. Southwest Monsoon has made some marginal progress over East India as it has further advanced into remaining parts of Chhattisgarh & Jharkhand some more parts of  Vidharba & Bihar, some parts of East Madhya Pradesh.  The Arabian [Read More]

Good Start to Southwest Monsoon vital for Cauvery River Basin

June 10, 2017 8:14 am COMK 79

The last 12 months or so has been a water shed period for the Cauvery River Basin thanks to poor Southwest Monsoon in 2016 that got aggravated by an even more poor Northeast Monsoon.  Dams across the Cauvery River Basin are possibly at their lowest levels for the past few months with inflows mostly in a trickle.  The last few years have seen most of the dams in the Cauvery River Basin struggle to reach Full Reservoir Level with 2014 possibly the last time most dams reached FRL. With June 12th the annual opening date of Mettur dam not only [Read More]

Chennai Suburbs see hottest May since 2012

June 1, 2017 7:01 am COMK 107

May is the hottest month for Chennai with the mean maximum temperature for the city observatory at Nungambakkam being 37.1°C and for the Airport observatory at Meenambakkam being 37.4°C .  In comparison June is marginally lesser with 37.0°C and 37.3°C being the mean maximum temperature for respective observatories. With the hottest month behind us its time to do a review of how this year fared and whether did we see any abnormality in comparison with the last few years. Most of us remember on May 18th Chennai Airport observatory recorded the hottest May day since 2003 when it recorded 43.6°C. [Read More]

Chennai Airport sees hottest April since 2000, Is there a Long Term Warming?

April 29, 2017 7:30 am COMK 95

Its a common joke that Chennai has only three seasons, “Hot, Hotter & Hottest” using this analogy we are in the cusp between Hotter & Hottest season with May signalling the hottest season for us.  For most people elsewhere the first thing that strikes when one mentions Chennai is its heat, you hear it regularly from the cricket commentators especially during those test matches played in Chennai.  Similarly we always keep hearing the city is getting hotter and hotter as days progress is there any merit in that argument? Let us find out. If one were to look at the [Read More]