Why is Chennai " COLD " today? 30 C at 4:30pm

Today, Chennai recorded a max of 37.6 C at around 11am and now, 4:45pm it is 29.9 C.
IWM Polichalur is 30.3 C.

Thanks to heavy HIGH cloud cover. This cloud cover came into land from a Thunderstorm over Bay very near to Chennai coast.
The T shower over Bay is due to the upper-level (500hpa) circulation over central Bay.

4:30pm, Now, HEAVY T showers seen over W,S-W from Chennai at 60 to 100km.

Parameters getting right for Monsoon onset over Kerala on 1-Jun-2015

1-Jun, the famous SW monsoon date is nearing... and the parameters are getting right for onset over Kerala coast on 1-Jun-2015.

Today as well, the N-S low-level trough from Bihar is seen upto N-E Andhra and will persist for next 2 days... http://ow.ly/i/b0gqx 

Today, an upper-level (500hpa) weak circulation seen over central Bay and expected to drift W-S-W in 2 days... http://ow.ly/i/b0gtS 

On the day of Monsoon onset over Kerala, E-W mid-level (700hpa) wind shear zone will / should run thru 13/14N !
At present this mid-level wind shear zone is running from central Andaman to central Maldives... http://ow.ly/i/b0gEX 
Today's upper-level (500hpa) circulation over central Bay will drop a mid-level (700hpa) circulation in same location in next 36hrs.
And this mid-level circulation is expected to drift West towards Tamilnadu coast on 30,31-May... http://ow.ly/i/b0gLL 
Gradually moving the mid-level E-W wind shear zone to North.
So, monsoon for S-E Srilanka, Colombo expected on 31-May.

Latest GFS model, the Monsoon will reach S-coast Kerala, S-tip Tamilnadu on its designated date " 1-Jun-2015 " .. http://ow.ly/i/b0gSC 
GFS forecast for Trivandrum shows...
700hpa winds change to Westerlies on 31-May / 1-Jun ... http://ow.ly/i/b0hak 

Meanwhile T shower activity over Kerala, N,N-W,central Tamilnadu to increase from today !
27-May... T showers for N,central,N-W,W-ghats of Tamilnadu and N,central,W-ghats of Kerala... http://ow.ly/i/b0hok 
28-May...
T showers again for N,central,N-W,W-ghats Tamilnadu and scattered all over Kerala.
S-coast Kerala, S-tip coast Tamilnadu can get early morning rain on 28-May.
27,28-May... some T showers are expected to pop into S,S-E Karnataka as well.

Nor'westers again for N,central Bengal and E Bihar on 27,28-May.
AND
More HEAVY rain to continue over many zones of N-E states of India.
On evening, late-evening of 28-May... T showers, dust storm possible for N,N-W Rajasthan and even into S Punjab.

Above 45 C days ahead for Uttarpradesh, Andhra

Super #HOT days to continue for next 3 days over N,N-W,central,E-central,East, S-E and N,central Peninsula India.. http://ow.ly/i/b0fi6 
Next 3 days, Above 45 C #HOT temps expected over Uttarpradesh, E Madhyapradesh, Jharkhand, Chatisgarh, W,central Odisha, Andhra, Telegana

#Chennai - 10:50am, Temp is 37.6 C and expected to touch 41/42 C today before 2:30pm.
During next 3 days, Vellore can touch a 44 C. And 43 / 44 C possible even for #Chennai.

#HOT #Delhi - the temp is expected to be around 45 C for the city during next 3 days ! 
RT @ShrivantR: @weatherofindia #Delhi morning today was cooler than past few days. 27c vs 30-31c. 

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Weather at May 26, 2015 at 05:16PM

4:40pm, massive Nor'wester seen along Jharkhand and Bengal border. Will push E-S-E. #weather

from Instagram

Weather at May 26, 2015 at 05:12PM

5:05pm, Vellore - moderate showers after a #hot day. #weather

from Instagram

HOT days and T showers ahead for N Tamilnadu, S Andhra

SUPER #HOT days to persist over N-W,N,W,central,East,S-E coast, N,central Peninsular India for next 3 days.. http://ow.ly/i/aZacQ 
Towns, cities in Andhra, Telegana continue to top the #HOT temperature list... On 25-May.
Kakinada 46.7 C
Rentachintala 46.6 C
Here's the top #HOT 40s list of 25-May ... http://ow.ly/i/aZaBB 

Heat Wave Kills More Than 700 in Andhra Pradesh, Telangana, Last Few Days Were Worst ... http://ow.ly/NqumF 

Chennai - Airport #HOT..
20-May 39.6 C
21-May 40 C
22-May 40 C
23-May 39.7 C
24-May 42.3 C
25-May 42.4 C
Today, high cloud cover, 39 C.

~~~~~~~~~~~~~~~

Today evening - T showers possible over N,N-central Tamilnadu and into S,S-E Karnataka, S Andhra .. http://ow.ly/i/aZaYB 
HEAVY nor'westers possible for N,central,W Bengal and over N,E Bihar, N-E Odisha today, 25-May.

Monsoon like conditions with moderate/light rain to prevail along S coast Kerala and S-tip Tamilnadu during next 2 days.

On 27-May, Moderate T showers for N,central,W-ghats Kerala and over n,N-central,N-W Tamilnadu, S,S-E Karnataka, S Andhra.
Today and 27-May... Some T showers can reach upto 50/30km to #Chennai W,S-W suburbs... http://ow.ly/i/aZbgX 

Weather at May 26, 2015 at 12:03PM

Chennai - 12pm, having a thin high cloud cover, keeping temp down at 37.4 C. #weather

from Instagram

Hottest Centres on Monday 25th (Major and Small Stations) Of India, Pakistan & Nepal (46 C and above)
Pakistan:
Dadu 49.c  Moen jo Daro, Nawabshah 48.5c, Larkana, Jacobabad 47.5c  Sukkur, Rohri 47c   Sibbi 46c
India:
(Non IMD Stations)
Bhattiprolu (AP)  48.1c
Dwaraka Tirumala  47.8c (AP)
Nelivada (AP) 47.7c

IMD Stations
Angul  47.0c
JANGAMAHESWARAPURAM 46.8c ..full list on www.vagaries.in

Weather at May 25, 2015 at 02:47PM

Chennai - 2:40pm, strong sea breeze has set in. Nungambakkam 38.1 C after reaching 42.2 C. #weather

from Instagram