Weather Situation Posted on Sunday (15th) Night:

1. The WD mentioned in Friday's post is moving across the Northern hills and is affecting parts of Northern Punjab (see image as on Sunday evening).

 
Rains and thunder showers are more widespread in Kashmir and part of Punjab plains. Expecting a fall in night temperatures in the hills. Srinagar and other stations will see a fall in night temperatures. Srinagar may witness a night temperature of 10c or below.

2. The trough off the west coast will strengthen next 2 /3 days. By Wednesday 18th, an UAC (or a weak low) can get embedded in the trough off the Goa coast. Since it will not sustain much, can fizzle out in a couple of days after forming.

Chennai - 3:15pm, a heavy T shower now seen over Ponneri zone, north from city and moving east

More rain ahead for W,central,S Maharastra, #Chennai and #Bangalore before Monday evening

Today, at last the low,mid level circulation near #Chennai has moved N-E and elongated now over W,central Bay... http://ow.ly/i/39jUs 

In 18hrs, a strong low level circulation is expected over S Bangladesh and a weak one along Karnataka coast ... http://ow.ly/i/39jY4 

Tomorrow, circulation expected over S Bangladesh will drop a N-S trough ALL along S-E coast N.Tamilnadu, S.Karnataka and even south of it!

A low,mid level circulation is expected along the N-S trough over N,N-central Andhra on 16-Sep ... http://ow.ly/i/39kzA 

And on 16-Sep, a weak upper level circulation expected over S,S-W,S-central Karnataka ... http://ow.ly/i/39kCf 

From now till 5pm, 15-Sep... moderate, scattered rain for W,S Maharastra, N-W,central,S Karantaka, N,N-E,central,N-W Tamilnadu.
Moderate, scattered rain also for S Andhra and #Chennai before 5pm, Sunday.
HEAVY showers for central,N,N-E Andhra, S Chatisgarh, S,central Kerala and N-E Odisha expected before 5pm of 15-Sep.

From evening of 15-Sep to Monday evening, moderate rain expected for Central,N Karnataka and S Odisha.
Scattered HEAVY rain expected over W,central,N-E Andhra including #Hyderabad from Sunday evening to night of Monday.
5pm, 15-Sep to 11pm, 16-Sep... HEAVY rain for N,N-E Tamilnadu, #Chennai, S Karnataka and #Bangalore.
During next 2 days, T showers to continue over W,central,S Maharastra. And #Monsoon will stay active along central,S Kerala.

Rain in Hosur !

2:17pm, "Heavy down pour in Hosur"

#Bangalore - "In 13 days, over twice the normal rain" ... http://ow.ly/oRCsV 

#Bangalore - 3:10pm, "dark clouds all over...but no rain here."

#Chennai - 3:35pm, Warm with good cloud formation around. Rain is near for parts of city today as well.

#Chennai - 3:30pm, Heavy showers seen W-N-W and over zones around Chengelpet in South.

#Kolkata - 9am, "A TOTAL FREAK THUNDERSTORM HITS KOLKATA !
AGAIN THE RAINS STARTED WITH TINY HAILS "

Now (4:43pm) the temp is around 28 C.

Weather report from around India on 13-Sep-2013

Belgaum - 6:15pm, "very very Heavy Rain now in Belgaum Airport"
"Belgaum Railway station recorded 77 mm of Rainfall on 12-Sep"

Badlapur - 6:55pm, "Severe Thunderstorm lashed Badlapur for 40mins.Torrential rain, huge lightening strikes with loud thunder sound."

6:53pm, "Thunderstorm also lashed Dombivli with continuous Torrential rains , Huge lightening strikes with severe thunder sound.I was not able to sit near windows & watch out the rain as Huge Vertical Lightning was continuously flashing with Burst of Thunder Sounds.And we are getting Heavy rains here for the fifth consecutive days."

BOLLAJE, DAKSHINA KANNADA 6:14pm, "Rain"

Chennai - Rain, 1:29pm

Chennai - 1:29pm, T showers over several parts of city and more on way!
Chennai - 2:22pm, heavy T showers over Polichalur zone now.. http://ow.ly/i/38KCM

JJayaKumar31Sep 13, 1:42pm via Web

@weatherofindia Good rain in nungambakkam area for past 20 mins,waterlogging in many areas

arvenkySep 13, 1:46pm via Twitter for Android

@weatherofindia Thundering here in Nanganallur now. Very humid though

eckarthikSep 13, 1:52pm via Web

@weatherofindia 
heavy rain in KK Nagar

dsanjeevkumarSep 13, 2:04pm via Web

@weatherofindia Heavy Rains at #Chennai#Nandambakkam #Guindy at 14:00hrs

arvenkySep 13, 2:30pm via Twitter for Android

@weatherofindia Pouring in Nanganallur for last 20 mins

joesatSep 13, 2:37pm via Plume for Android

@weatherofindia Heavy rains for last 30.mins in OMR as we commence our KSS at Syntel 14:30hrs

VigneshMohanSep 13, 2:58pm via Web

@weatherofindia Lightning and Thunder over Taramani Region #Chennai 2:58 pm IST

#Chennai, scattered sharp showers continue !

#Chennai - Scattered sharp showers lash parts of city from 5pm. Now (10pm) a shower system is moving along W,N-W suburbs from N-N-E to S-W

#Chennai -Today evening showers are like N-E monsoon, showers popping over Bay / Land and moving from N-N-E to S-W. More rain ahead tonight!

#Chennai Tornado ?? and Belgaum HEAVY rain !

RT @gaayathriraj: First ever #tornado (rec) in #Chennai, acc to the MET dept. http://t.co/St0rBw4fl4 

RT @iam_divyesh: Heavy rain strts.. #chennai @weatherofindia (6:34pm) >> showers are scattered, not widespread ! 

RT @rajugana: Bangalore 6.50 pm, Partly cloudy sky in the day, Formation of dark clouds in the eve.  AN pic http://t.co/blIeXI1418 

RT @sanjaywiz: Mumbai rain has started with lighting and thunderstorm today evening as well (4:53pm)

Belgaum - 6:50pm, "Its heavy downpour over Belgaum from 4pm and Rain still going on." ... http://ow.ly/i/38hxw 

Belgaum - 7:40pm, "Goaves - RPD road Belgaum .. Heavy Rain from 5pm .. now its drizzling" ... PIC at 5:30pm.. http://ow.ly/i/38hN5 

Badlapur - 3:26pm, "Torrential Thunderstorm Rain lashed Badlapur." ... http://ow.ly/i/38iVe 

 Karntaka: Brief Report of SWM Performance 

Interior Karnataka rainfall this SW Monsoon is doing well, and is in excess. As on 12th September, S.I.K. is in excess by 35%, having received 344 mms against a normal of 254 mms, and N.I.K. is excess by 13%, having received 440 mms against 390 mms. 

The best part of the rains were in this month (September) itself. N.I.K. received 96  mms so far this month, against a normal rain of 40  mms, thus being 134 % excess for September. While for S.I.K, it was 120  mms against 33 mms and excess of 261 %.

Bangalore (Urban) is doing well this year. Having actually received (till 12th September) 344 mms against a normal of 255 mms (+35%). And Bangalore (Rural)actually got 409 mms against 328 mms, excess of 25%. Best performer is Mandya District, showing 55% excess.
Bangalore Diagram with Daily and seasonal rain:

#Chennai - 5:05pm, mini showers are popping over W,S-W,N-W suburbs now. More rain ahead during next 6hrs.