• Indian-S: West Bengal & S

    From Dumas Walker@21:1/175 to All on Tue Sep 8 20:03:00 2020
    WWIN40 DEMS 080300
    THE MONSOON TROUGH AT MEAN SEA LEVEL NOW PASSES THROUGH GANGANAGAR,
    HISSAR, BAREILLY, AZAMGARH, SUPAUL AND THENCE EASTWARDS TO NAGALAND
    ACROSS SUB-HIMALAYAN WEST BENGAL AND ASSAM.\U2666 AN OFF-SHORE TROUGH
    AT MEAN SEA LEVEL RUNS FROM NORTH MAHARASHTRA COAST TO LAKSHADWEEP
    AREA.\U2666 THE LOW PRESSURE AREA OVER EASTCENTRAL ARABIAN SEA OFF
    KARNATAKA COAST HAS MERGED WITH THE ABOVE OFF-SHORE TROUGH. HOWEVER,
    THE ASSOCIATED CYCLONIC CIRCULATION PERSISTS OVER THE SAME AREA AND
    NOW SEEN BETWEEN 1.5 KM AND 5.8 KM ABOVE MEAN SEA LEVEL.\U2666 A
    CYCLONIC CIRCULATION LIES OVER WEST ASSAM & ADJOINING SUB-HIMALAYAN
    WEST BENGAL & SIKKIM AT 0.9 KM ABOVE MEAN SEA LEVEL.\U2666 A TROUGH
    EXTENDING UPTO 3.6 KM ABOVE MEAN SEA LEVEL RUNS FROM NORTHWEST UTTAR
    PRADESH TO CENTRAL PARTS OF EAST RAJASTHAN.\U2666 THE CYCLONIC
    CIRCULATION OVER NORTHEAST RAJASTHAN & NEIGHBOURHOOD AND THE OTHER
    CYCLONIC CIRCULATION OVER NORTHWEST UTTAR PRADESH & NEIGHBOURHOOD
    HAVE MERGED WITH THE ABOVE TROUGH.\U2666 THE EAST-WEST SHEAR ZONE
    ROUGHLY ALONG 13ON ACROSS THE PENINSULAR INDIA PERSISTS AND NOW SEEN
    BETWEEN 3.1 KM AND 4.5 KM ABOVE MEAN SEA LEVEL.\U2666 THE TROUGH IN
    MID TROPOSPHERIC WESTERLIES WITH ITS AXIS AT 5.8 KM ABOVE MEAN SEA
    LEVEL ROUGHLY ALONG LONG. 69OE TO THE NORTH OF LAT. 30ON
    PERSISTS.\U2666 A CYCLONIC CIRCULATION LIES OVER WESTCENTRAL BAY OF
    BENGAL OFF ANDHRA PRADESH COAST AT 1.5 KM ABOVE MEAN SEA LEVEL.\U2666
    THE CYCLONIC CIRCULATION OVER EAST ASSAM & NEIGHBOURHOOD HAS BECOME
    LESS MARKED.

    FORECAST:

    RAIN/THUNDERSHOWER AT MOST PLACES OVER ANDAMAN & NICOBAR ISLANDS,
    ARUNACHAL PRADESH, ASSAM & MEGHALAYA, -HIMALAYAN WEST BENGAL &
    SIKKIM, KONKAN & GOA, COASTAL & SOUTH INTERIOR KARNATAKA, KERALA &
    MAH AND LAKSHADWEEP AND AT MANY PLACES OVER JHARKHAND,ODISHA,
    NAGALAND, MANIPUR, MIZORAM & TRIPURA, NORTH INTERIOR KARNATAKA AND
    MADHYA MAHARASHTRA; AT A FEW PLACES OVER EAST UTTER PRADESH, EAST
    RAJASTHAN, WEST MADHYA PRADESH, VIDARBHA, CHHATTISGARH, BIHAR,
    GANGRTIC WEST BENGAL, MARATHWADA, COASTAL ANDHRA PRADESH & YANAM,
    TELANGANA, RAYALSEEMA AND TAMILNADU, PUDUCHERRY & KARAIKAL AND AT
    ISOLATED PLACES OVER UTTRAKHAND, HARYANA, CHANDIGARH & DELHI, WEST UTTARPRADESH, WEST RAJASTHAN, EAST MADHYA PRADESH, GUJRAT REGION,
    SAURASTRA & KUTCH.

    WARNING:-



    08 SEPTEMBER (DAY 1):



    HEAVY TO VERY HEAVY RAINFALL VERY LIKELY AT ISOLATED PLACES OVER
    SUB-HIMALAYAN WEST BENGAL & SIIKIM, ASSAM & MEGHALAYA AND TAMILNADU,
    PUDUCHERRY & KARAIKAL AND HEAVY RAINFALL AT ISOLATED PLACES OVER EAST RAJASTHAN, BIHAR, ANDAMAN & NICOBAR ISLANDS, ARUNACHAL PRADESH,
    NAGALAND, MANIPUR, MIZORAM & TRIPURA, MADHYA MAHARASHTRA, KONKAN &
    GOA, RAYALASEEMA, COASTAL & SOUTH INTERIOR KARNATAKA, KERALA & MAHE
    AND LAKSHADWEEP.



    THUNDERSTORM ACCOMPANIED WITH LIGHTNING VERY LIKELY AT ISOLATED
    PLACES OVER UTTARAKHAND, UTTAR PRADESH, EAST RAJASTHAN, WEST MADHYA
    PRADESH, VIDARBHA, CHHATTISGARH, BIHAR, JHARKHAND, WEST BENGAL &
    SIKKIM, ODISHA, ARUNACHAL PRADESH, ASSAM & MEGHALAYA, NAGALAND,
    MANIPUR, MIZORAM & TRIPURA, MADHYA MAHARASHTRA, MARATHWADA, KONKAN &
    GOA, COASTAL ANDHRA PRADESH & YANAM, TELANGANA, RAYALASEEMA,
    KARNATAKA, KERALA & MAHE AND TAMILNADU, PUDUCHERRY & KARAIKAL.



    STRONG WIND (SPEED REACHING 45-55 KMPH) VERY LIKELY OVER SOUTHWEST
    ARABIAN SEA, KERALA-KARNATAKA COASTS AND LAKSHADWEEP AREA. FISHERMEN
    ARE ADVISED NOT TO VENTURE INTO THESE AREAS.



    09 SEPTEMBER (DAY 2):



    HEAVY RAINFALL AT ISOLATED PLACES OVER SUB-HIMALAYAN WEST BENGAL &
    SIKKIM, ODISHA, ANDAMAN & NICOBAR ISLANDS, ASSAM & MEGHALAYA, MADHYA MAHARASHTRA, MARATHWADA, KONKAN & GOA, COASTAL & SOUTH INTERIOR
    KARNATAKA, KERALA & MAHE AND TAMILNADU, PUDUCHERRY & KARAIKAL.



    THUNDERSTORM ACCOMPANIED WITH LIGHTNING VERY LIKELY AT ISOLATED
    PLACES OVER EAST UTTAR PRADESH, MADHYA PRADESH, VIDARBHA,
    CHHATTISGARH, BIHAR, JHARKHAND, WEST BENGAL & SIKKIM, ODISHA, MADHYA MAHARASHTRA, MARATHWADA, KONKAN & GOA, TELANGANA, RAYALASEEMA,
    KARNATAKA, KERALA & MAHE AND TAMILNADU, PUDUCHERRY & KARAIKAL.



    STRONG WIND (SPEED REACHING 45-55 KMPH) VERY LIKELY OVER SOUTHWEST
    ARABIAN SEA, KERALA-KARNATAKA COASTS, LAKSHADWEEP AREA, GULF OF
    MANNAR AND COMORIN AREA. FISHERMEN ARE ADVISED NOT TO VENTURE INTO
    THESE AREAS.=
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