Wednesday, June 09, 2010

Rains and Pleasant Weather in North



Rains and Pleasant Weather in North:
Since Phet crossed into Northwest India, widespread rainfall has been reported from many parts in the region, as the system had interacted with a prevailing western disturbance, and formed the mini W.D,
The ongoing rainfall due to this in the North/Northwest has pushed the heat further South and South-east to cover pockets of  Bihar,  Orissa, and Chhattisgarh.
Also, as anticipated, heavy unseasonal snow  in Lahaul-Spiti and widespread rain in middle and lower hill areas provided much-needed relief to people from sweltering heat and dry spell.
The twin valleys of Lahaul and Sipti recorded heaviest snow for June for the past several decades. Keylong, the district headquarters, had received 10 inches of snowfall by the evening and it was still continuing. The Kunzum Pass and Kibber and other higher areas received even more.



The core pressure of the Monsoon seasonal low over the Rajasthan/Sindh region has suddenly gone up to 1002 mb, against a normal required at this time of 994 mb.Temperatures were well below normal since the last 2 days.(IMD Maps).
The Monsoon had not advanced beyond the Northern limit aligned Southwest to Northeast along Karwar, Bangalore, Cuddapah, Bapatla, Agartala, Dhubri and Gangtok which has been held on since on Monday.
Heat is again required to create the steep gradiant to pull up the Monsoon.

Heat Wave Forecast: 
I do not rule out the possibility of an extreme heat wave over Gujarat, Rajasthan, Vidharbh, and delhi/Haryana regions from Friday thru Sunday (11th/12th/13th). The regions in Gujarat and Rajasthan will have to gear up to face temperatures upto 46/47c, with an exceptional 48c in some pockets of Rajasthan.

Forecast for Monsoon Progress:
The Bay  has spun up a cyclonic circulation on Tuesday, which forecast to intensified as a “low”on Wednesday.This would track west and cross close to the Chennai coast.
The system would continue to track to the west and re-emerge into the Arabian Sea, near Goa by Monday, 14th. June. On entering the Arabian Sea, it seems it could get embedded in a offshore trough along the west coast. This could would help intensify the system, maybe into a depression, or a deep depression, and push it northward along the coast, according to international model outlook.
According to the ECMWF, the intensified system would be pulled up towards Mumbai-south Gujarat around June 15.
Most models forecast the system  would track India's west coast and head towards the Mumbai-Gujarat coast.

What is apparently becoming a certain possibility is for heavy rains over the Konkan/Mumbai/Gujarat region from June 15.
After the system enters into the Arabian Sea arena, say by Sunday,the Northward progress towards Mumbai would be watched carefully.The Monsoon arrival over Mumbai could be around Sunday/Monday.

Mumbai Forecast: Cloudy and passing showers, with the same hit and miss showers continuing in parts of the city till Saturday.
Sunday/Monday will be overcast and more rainy, with rains measuring upto 20 mms/day.
Monday night and Tuesday will get very heavy rains, upto 150-200mms, with gusty winds. Typical monsoonish flooding weather on Tuesday,15th.
7:30pm, Thunder storms along W.central Karnataka, coastal Maharastra and even into S. Gujarat ... http://ow.ly/i/1YXJ
6:30pm, It's raining in kolkata ... http://ow.ly/i/1YVg
RT @Bumba619: Rain in kolkata!!!! (6:22pm)
RT @boy_inthe_box: @_AnujG thnx GE.. Its raining here kolkata ;) enjying. @_Palash@Aarti1029 @aa_ansari @crystalline_ree @prianca1 (7:29pm)
Cherrapunji has got 37cm rain on 8-Jun-10. Past three days it has received 89 cm totally (23, 29 and 37 cm) ... http://ow.ly/1W7eq

"Cherrapunji" ... and Rainfall update

Cherrapunji has got 37cm rain
Past three days it has received 89 cm totally (23, 29 and 37 cm)



India toppers from 1.1.10 to 09.06.10 (Min. of 100 cm)
———————————–—————–---------------------------------------
Cherrapunji 617 cm
Passighat 199 cm
Silchar 187 cm
Itanagar 139 cm
Gangtok 139 cm
Dibrugarh 133 cm
Dhubri 131 cm
North Lakhimpur 128 cm
Guwahati 106 cm
Coochbehar 106 cm
Lengpui 100 cm


posted by Pradeep
4:30pm, Showers over Nilgiris, S-W & central Karnataka, ... http://ow.ly/i/1YNz
4:30pm, Line-up of thunder storms along entire W.coast of Maharastra ... http://ow.ly/i/1YNz
4:30pm, lone thunder cell over S. Tamilnadu .. While Heavy cloud formations continue over "95B" over Bay .. http://ow.ly/i/1YNz
Rainfall data from 1-Jan-2010 to 8-Jun-2010 ... UPDATED ... http://ow.ly/1W5X2
Rain map of 8-Jun... http://ow.ly/i/1YMY
Rainfall on 7-Jun... PDF ... http://ow.ly/d/3Z5

Rainfall data from 1-Jan-2010 to 8-Jun-2010

India toppers from 1.1.10 to 08.06.10 (Min 100 cm)
-------------------------------------------------------------------------

Cherrapunji 580 cm
Passighat 197 cm
Silchar 182 cm
Itanagar 139 cm
Gangtok 137 cm
Dibrugarh 131 cm
Dhubri 131 cm
North Lakhimpur 128 cm
Guwahati 104 cm
Coochbehar 101 cm
Lengpui 100 cm

posted by Pradeep
Chennai - Early morning thunder shower.. Chennai-Nungambakkam -- 14.9mm, Chennai(Airport) 24.2mm
3:30pm, Thunder cell over N-E Andhra and Heavy cloud formation still continue over E and S-E of Chennai over Bay .. http://ow.ly/i/1YKV
3:30pm, thunder showers over N-E Orissa, W-N-W Bengal, and lots along W.coastal maharastra.. http://ow.ly/i/1YKV
IMD : Intensification of monsoon flow over Arabian Sea, south peninsular India and Bay of Bengal during next 3-4 days.
Western disturbance over Jammu & Kashmir and neighbourhood persists as an upper air system.
On 8-Jun, highest maximum temperature of 45.8°C was recorded at Sambalpur (Orissa).
8-Jun, temperatures were upto 19°C below normal over northwest India and upto 7°C below normal over northeastern states.
@CriticalCareInd >>More evening pre-monsoon showers for kolkata from today and Rains will increase from nxt week Mid as Monsoon will set in
Chennai - Saidapet .. Rain stopped !!
Wind direction along S.Kerala will shift from N-W to S-W in another 72hrs, so this will pump more Heavy monsoon showers http://ow.ly/i/1YHu
"95B" ... will move over Chennai, N.TN and S. Andhra in next 72hrs... http://ow.ly/i/1YHu
"95B".. is a medium level circulation over Central Bay .. it'll hold its position for next 24 to 48 hrs .. http://ow.ly/i/1YHr
US Navy is still monitoring the circulation over Bay as "95B" ... and its not expected to intensify but it'll last for another 72 hrs.
RT @AlertNet: Sri Lanka braces for dengue outbreak http://ow.ly/1W2NT
Chennai - Drizzle continues !! 2pm
RT @Ajil7smooth: RT @haarison: Check this video out -- A slice of monsoon rain from Kerala, INDIA ! http://ping.fm/G4glw (17-Jul-07)
S-W monsoon along Kerala will pick up steam from Friday-night, 11-Jun.. and more showers for N.TN and S. Andhra.. http://ow.ly/i/1YES
In 48hrs the circulation over W.central Bay will gradually move N-W .. and more showers for Chennai & S. Andhra coast.. http://ow.ly/i/1YEz
Chennai - Present drizzle will end at around 3pm and high cloud cover will be there towards evening. Temp. now 1:13pm is 27.4°C
RT @fabwrite: @weatherofindia It's raining on Santhome High Road, (chennai) what’s the forecast like for today? (1:08pm)

Cyclone "Phet" .. Rainfall thru eyes of TRMM satellite

Tropical Cyclone Phet brought not just strong winds but also heavy rains to the Arabian Sea, the Arabian Peninsula, and the coast of Pakistan in late May and early June 2010. This color-coded image shows both rainfall amounts and the storm track for Phet from May 31 to June 6, 2010. The storm track appears in shades of peach, coral, and red. The rainfall amounts appear in shades of blue and green.
Phet reached its greatest intensity off the coast of Oman on June 3. After making landfall in Oman, Phet dissipated somewhat, but remained organized enough to move back over the Arabian Sea toward Pakistan. The heaviest rainfall amounts—600 or more millimeters (23.6 or more inches)—occur off the coast of Oman, south of where the storm reached its greatest intensity. Lighter rainfall amounts occur near the coasts of Oman, Iran, and Pakistan. Although winds were slower and rainfall was lighter over land, the storm still caused substantial damage along coastlines. Agence France-Prese reported that Phet caused 15 deaths in Oman and four more deaths in Pakistan.
This image is based on data from the Multisatellite Precipitation Analysis produced at Goddard Space Flight Center, which estimates rainfall by combining measurements from many satellites and calibrating them using rainfall measurements from the Tropical Rainfall Measuring Mission (TRMM) satellite.
Chennai showers are due to this low level circulation over W.central Bay .. http://ow.ly/i/1YDK
RT @GokzTweets: Slight drizzling from the morning and continues further. Pondy @weatherofindia (12:55pm)
Chennai - and N. Tamilnadu rains are due to a LOW level circulation over Bay just N-E of Chennai, previously it was a High level circulation
RT @GokzTweets: Heavy winds with the signs of heavy downpour in pondicherry! @weatherofindia 8.20am
Chennai - High cloud cover & drizzle is due to the Dead high cloud of a Thunder shower over Bay just S-E of Chennai.. http://ow.ly/i/1YDs
Chennai - Still 12:49pm having widespread mild drizzles after a mild shower at around 11am.

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Weatherman
http://ow.ly/i/1Ytq ... Soon there'll be change in wind direction from N-W to S-W, this will make the monsoon more widespread and vigorous.
7am, Suddenly all the convective showers has distanced itself from S-W coast ... http://ow.ly/i/1Ytq ...
7am, Showers all along N.coastal Tamilnadu and up to central coastal Andhra.. http://ow.ly/i/1Ytq
Chennai - South chennai.. still a steady drizzle continues (7:41am)
RT @TapanMohanta: @weatherofindia KOLKATA: premonsoon showers arrive, relief from the heat and humidity (7:54pm, 8-Jun)
early morning thunderstorm in central and suburban Mumbai. Not very widespread. Seems localised.
Chennai - thunder storm at this time of day is quite unusual. This is due to circulation over bay & S-W monsoon current.
Chennai - a thunder storm is sweeping N-E & central chennai now 6:28am, Rain started in s.chennai as well with stiff winds from W-S-W

CURRENT WEATHER [17 TS]





Wednesday, 09 June 2010 / 0549 hrs IST;



Threatening clouds are seen from East. Squally weather will prevail at Chennai. Strong winds from N-will be blowing.