Monsoon Watch

·   Southwest Monsoon has further advanced today into the remaining parts of Rajasthan and thus covered the entire country.

·    The northern limit of southwest monsoon passes through Lat. 25.0°N / Long. 60.0°E and Lat. 25.0°N / Long. 65.0°E, Udaipur, Jaipur, Pilani, Hissar and Ganganagar till today.(map enclosed)

Main Features (based on 1430 hrs IST observations)

·       Under the influence of an off-shore trough extending from Konkan coast to Kerala coast, widespread rainfall activity with heavy to very heavy falls at a few places is likely along west coast during next 3-4 days.

·       Current meteorological analysis and numerical weather prediction models suggest, widespread rainfall activity with isolated heavy to very heavy falls over West Bengal & Sikkim, Orissa and northeastern States during next 3-4 days.

Monsoon Activity/Rainfall/Satellite Cloud Imagery

Ü        Monsoon activity and rainfall distribution map is enclosed. Significant amounts of rainfall (1 cm or more) during past 24 hrs.ending at 0830 hrs. IST of today are enclosed.

Ü        In the satellite KALPANA-1 cloud imagery at 0900 UTC (1430 hrs IST) convective clouds are seen over south & east Arabian Sea, northwest, westcentral & parts of southeast Bay of Bengal, north Andaman Sea, Gangetic west Bengal, Orissa, Jharkhand, Bihar, Chhattisgarh, Coastal Karnataka and Konkan & Goa. Low/medium clouds are seen over parts of Western Himalayan Region, Central, Northeast and Peninsular India.

Forecast valid upto 1430 hours IST of 6^th July, 2009

NORTHWEST INDIA

[J & K, H. P., UTTARAKHAND, PUNJAB,  HARYANA, DELHI, EAST UP, WEST UP, RAJASTHAN]

·        Rain/thundershowers at a few places over Jammu & Kashmir, West Rajasthan and East Uttar Pradesh.

·        Isolated rain/thundershowers over the rest region.

EAST INDIA

[JHARKHAND, BIHAR, ORISSA, WEST BENGAL & SIKKIM]

·        Rain/thundershowers at many places over West Bengal & Sikkim and Orissa.

·        Rain/thundershowers at a few places over the rest region during next 24 hours and increase thereafter.

NORTHEAST INDIA

[Arunachal Pradesh, NMM& T,  Assam, Meghalaya,]

·        Rain/thundershowers at most places over the region.

SOUTH INDIA

[TN, AP, KERALA,, KARNATAKA, LAKSHADWEEP, ANDAMAN & NICOBAR ISLANDS]

·        Rain/thundershowers at most places over Coastal Karnataka, Kerala and Lakshadweep.

·        Rain/thundershowers at a few places over the rest region.

WEST INDIA

[KONKAN & GOA, MARATHAWADA, MADHYA MAHARASHTRA, GUJARAT REGION, SAURASHTRA & KUTCH]

·        Rain/thundershowers at most places over Konkan & Goa.

·        Rain/thundershowers at many places over Madhya Maharashtra, Saurashtra and south Gujarat region.

·        Rain/thundershowers at a few places over the rest region.

CENTRAL INDIA

[M.P, CHHATTISGARH, VIDARBHA]

·        Rain/thundershowers at many places over the region.

Warning:  (Valid for next 48 hours)

·       Heavy to very heavy rainfall at a few places over Konkan & Goa and coastal Karnataka with isolated extremely heavy falls (≥ 25 cm.) over Konkan & Goa.

·       Isolated heavy to very heavy rainfall over northeastern States, West Bengal & Sikkim, Orissa, Kerala and Lakshadweep.

Weather Outlook from  1430 hrs IST of 6^th July to 1430 hrs IST of 8^th  July, 2009:

·      Widespread rainfall activity with isolated heavy to very heavy falls over west coast and northeastern states.

·      Fairly widespread rainfall activity over central & east India.