WWIN40 DEMS 110300



IWB (MORNING) DATED 11-09-2020



\U2666 THE MONSOON TROUGH AT MEAN SEA LEVEL NOW PASSES THROUGH
AMRITSAR, ROHTAK, TIKAMGARH, SIDHI, JAMSHEDPUR, BALASORE, BANKURA,
DIGHA AND THENCE EASTWARDS TO NORTHEAST BAY OF BENGAL. \U2666 THE
TROUGH FROM EAST UTTAR PRADESH TO VIDARBHA NOW RUNS FROM BIHAR TO
SOUTH CHHATTISGARH ACROSS JHARKHAND AND EXTENDS UPTO 1.5 KM ABOVE
MEAN SEA LEVEL. \U2666 THE OFF-SHORE TROUGH AT MEAN SEA LEVEL NOW
RUNS FROM NORTH MAHARASHTRA COAST TO NORTH KERALA COAST. \U2666 THE
CYCLONIC CIRCULATION OVER EASTCENTRAL ARABIAN SEA OFF KARNATAKA COAST
EXTENDING UPTO 2.1 KM ABOVE MEAN SEA LEVEL PERSISTS. \U2666 THE
EAST-WEST SHEAR ZONE NOW RUNS ROUGHLY ALONG 15ON ACROSS THE
PENINSULAR INDIA BETWEEN 3.1 & 5.8 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. 64OE TO THE NORTH OF LAT.
28ON PERSISTS. \U2666 THE CYCLONIC CIRCULATION OVER GANGETIC WEST
BENGAL AND NEIGHBOURHOOD AT 1.5 KM ABOVE MEAN SEA LEVEL HAS BECOME
LESS MARKED. \U2666 A LOW PRESSURE AREA IS LIKELY TO FORM OVER
WESTCENTRAL BAY OF BENGAL OFF ANDHRA PRADESH COAST AROUND 13TH
SEPTEMBER (.)



FORECAST:



RAIN/THUNDERSHOWER AT MOST PLACES OVER ANDAMAN & NICOBAR ISLANDS,
ARUNACHAL PRADESH, ASSAM & MEGHALAYA, NAGALAND, MANIPUR, MIZORAM &
TRIPURA, SUB-HIMALAYAN WEST BENGAL & SIKKIM, KONKAN & GOA, VIDARBHA, CHHATTISGARH, COASTAL ANDHRA PRADESH & YANAM, COASTAL KARNATAKA,
KERALA & MAHE AND LAKSHADWEEP; AT MANY PLACES OVER BIHAR, EAST
MADHYA PRADESH, MADHYA MAHARASHTRA, MARATHWADA, TELANGANA, RAYALSEEMA
AND INTERIOR KARNATAKA; AT A FEW PLACES OVER GANGETIC WEST BENGAL,
ODISHA, JHARKHAND, WEST MADHYA PRADESH AND GUJRAT STATE AND AT
ISOLATED PLACES OVER EAST UTTAR PRADESH, UTTRAKHAND, EAST RAJASTHAN
AND TAMILNADU, PUDUCHERRY & KARAIKAL (.)

DRY WEATHER PREVAIL REST OF THE COUNTRY (.)



WARNING:



11 SEPTEMBER (DAY 1): \U2666 HEAVY TO VERY HEAVY RAINFALL AT ISOLATED
PLACES WITH EXTREMELY HEAVY FALLS AT ISOLATED PLACES VERY LIKELY OVER
COASTAL KARNATAKA; HEAVY TO VERY HEAVY RAINFALL AT ISOLATED PLACES
OVER BIHAR, SUB-HIMALAYAN WEST BENGAL & SIKKIM, COASTAL ANDHRA
PRADESH & YANAM, SOUTH INTERIOR KARNATAKA AND KERALA & MAHE; HEAVY
RAINFALL AT ISOLATED PLACES OVER NORTHEAST UTTAR PRADESH, SOUTH
MADHYA PRADESH, VIDARBHA, CHHATTISGARH, WESTERN PARTS OF GANGETIC
WEST BENGAL, ODISHA, ANDAMAN & NICOBAR ISLANDS, ARUNACHAL PRADESH,
ASSAM & MEGHALAYA, NAGALAND, MANIPUR, MIZORAM & TRIPURA, GUJARAT
STATE, MADHYA MAHARASHTRA, KONKAN & GOA,TELANGANA, RAYALASEEMA, NORTH
INTERIOR KARNATAKA, TAMIL NADU, PUDUCHERRY & KARAIKAL AND LAKSHADWEEP
(.) \U2666 THUNDERSTORM ACCOMPANIED WITH LIGHTNING VERY LIKELY AT
ISOLATED PLACES OVER MADHYA PRADESH, VIDARBHA, CHHATTISGARH, BIHAR,
JHARKHAND, WEST BENGAL & SIKKIM, ODISHA, ASSAM & MEGHALAYA, NAGALAND,
MANIPUR, MIZORAM & TRIPURA, MADHYA MAHARASHTRA, MARATHWADA, KONKAN &
GOA, COASTAL ANDHRA PRADESH & YANAM, TELANGANA, RAYALASEEMA,
KARNATAKA AND TAMILNADU, PUDUCHERRY & KARAIKAL (.) \U2666 STRONG WIND
(SPEED REACHING 45-55 KMPH) VERY LIKELY OVER SOUTHWEST ARABIAN SEA,
SOUTH MAHARASHTRA-GOA COASTS, GULF OF MANNAR AREA. SQUALLY WEATHER
(WIND SPEED REACHING 45-55 KMPH) ALONG & OFF KERALA-KARNATAKA COASTS
AND LAKSHADWEEP AREA. FISHERMEN ARE ADVISED NOT TO VENTURE INTO THESE
AREAS (.)



12 SEPTEMBER (DAY 2): \U2666 HEAVY TO VERY HEAVY RAINFALL VERY LIKELY
AT ISOLATED PLACES OVER KONKAN & GOA, COASTAL ANDHRA PRADESH & YANAM
AND COASTAL KARNATAKA; HEAVY RAINFALL AT ISOLATED PLACES OVER SOUTH
MADHYA PRADESH, VIDARBHA, CHHATTISGARH, SUB-HIMALAYAN WEST BENGAL &
SIKKIM, ODISHA, ARUNACHAL PRADESH, ASSAM & MEGHALAYA, NAGALAND,
MANIPUR, MIZORAM & TRIPURA, GUJARAT STATE, MADHYA MAHARASHTRA,
TELANGANA, RAYALASEEMA, INTERIOR KARNATAKA AND KERALA & MAHE (.)
\U2666 THUNDERSTORM ACCOMPANIED WITH LIGHTNING VERY LIKELY AT
ISOLATED PLACES OVER MADHYA PRADESH, VIDARBHA, CHHATTISGARH, BIHAR,
JHARKHAND, GANGETIC WEST BENGAL, ODISHA, ASSAM & MEGHALAYA, NAGALAND,
MANIPUR, MIZORAM & TRIPURA, COASTAL ANDHRA PRADESH & YANAM,
TELANGANA, RAYALASEEMA AND KARNATAKA (.) \U2666 STRONG WIND (SPEED
REACHING 45-55 KMPH) VERY LIKELY OVER SOUTHWEST ARABIAN SEA. SQUALLY
WEATHER (WIND SPEED REACHING 45-55 KMPH) ALONG & OFF KERALA-KARNATAKA
COASTS AND LAKSHADWEEP AREA. FISHERMEN ARE ADVISED NOT TO VENTURE
INTO THESE AREAS (.)=
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