WWIN40 DEMS 091200
IWB (EVENING) DATED 09-09-2020



THE MONSOON TROUGH AT MEAN SEA LEVEL NOW PASSES THROUGH AMRITSAR,
AMBALA, BAREILLY, BAHRAICH, PATNA, BALURGHAT AND THENCE EASTWARDS
TO MANIPUR ACROSS SOUTH ASSAM & MEGHALAYA. THE OFF-SHORE TROUGH AT
MEAN SEA LEVEL FROM SOUTH MAHARASHTRA COAST TO NORTH KERALA COAST
PERSISTS. THE CYCLONIC CIRCULATION OVER EASTCENTRAL ARABIAN SEA OFF
KARNATAKA COAST BETWEEN 1.5 KM AND 5.8 KM ABOVE MEAN SEA LEVEL
PERSISTS. THE TROUGH FROM NORTHWEST UTTAR PRADESH TO SOUTHWEST
MADHYA PRADESH AT 3.1 KM ABOVE MEAN SEA LEVEL PERSISTS.THE EAST-WEST
SHEAR ZONE ROUGHLY ALONG 13ON ACROSS THE PENINSULAR INDIA AT 3.1 KM
ABOVE MEAN SEA LEVEL PERSISTS. THE TROUGH IN MID TROPOSPHERIC
WESTERLIES WITH ITS AXIS AT 5.8 KM ABOVE MEAN SEA LEVEL ROUGHLY
ALONG LONG. 60OE TO THE NORTH OF LAT. 30ON PERSISTS. THE CYCLONIC
CIRCULATION OVER JAMMU REGION AND NEIGHBOURHOOD BETWEEN 1.5 KM &
3.6 KM ABOVE MEAN SEA LEVEL PERSISTS. THE CYCLONIC CIRCULATION
EXTENDING UPTO 2.1 KM ABOVE MEAN SEA LEVEL OVER GANGETIC WEST BENGAL
AND NEIGHBOURHOOD PERSISTS. 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 SUB -HIMALAYAN WEST BENGAL &
SIKKIM, ASSAM & MEGHALAYA, KARNATAKA, KERALA & MAHE ANDAMAN &
NICOBAR ISLANDS AND LAKSHADWEEP AND AT MANY PLACES OVER JHARKHAND,
GANGRTIC WEST BENGAL, ODISHA, ARUNACHAL PRADESH, NAGALAND, MANIPUR,
MIZORAM & TRIPURA, MADHYA MAHARASHTRA, MARATHWADA, KONKAN & GOA,
COASTAL ANDHRA PRADESH & YANAM, CHHATTISGARH AND TELANGANA; AT A
FEW PLACES OVER BIHAR, VIDARBHA, SAURASTRA & KUTCH, RAYALSEEMA
AND TAMILNADU, PUDUCHERRY & KARAIKAL AND AT ISOLATED PLACES OVER
UTTRAKHAND, UTTER PRADESH, RAJASTHAN, MADHYA PRADESH AND GUJRAT
REGION (.) DRY WEATHER PREVAIL REST OF THE COUNTRY (.)

WARNING:-



09 SEPTEMBER (DAY 1):



HEAVY TO VERY HEAVY RAINFALL VERY LIKELY AT ISOLATED PLACES OVER
SOUTH INTERIOR KARNATAKA, TAMIL NADU, PUDUCHERRY & KARAIKAL AND
KERALA & MAHE; HEAVY RAINFALL AT ISOLATED PLACES OVER SUB-HIMALAYAN
WEST BENGAL & SIKKIM, ODISHA, ASSAM & MEGHALAYA, MADHYA MAHARASHTRA,
KONKAN & GOA, RAYALASEEMA, COASTAL KARNATAKA AND LAKSHADWEEP (.)

THUNDERSTORM ACCOMPANIED WITH LIGHTNING VERY LIKELY AT ISOLATED
PLACES OVER EAST UTTAR PRADESH, EAST RAJASTHAN, MADHYA PRADESH,
GUJARAT REGION, 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; (SPEED REACHING 40-50 KMPH) OVER GULF OF MANNAR AND
COMORIN AREA. SQUALLY WEATHER (WIND SPEED REACHING 40-50 KMPH) OVER
SOUTHEAST & EASTCENTRAL ARABIAN SEA AND ALONG & OFF KERALA COAST
AND LAKSHADWEEP AREA; OVER EASTCENTRAL & SOUTHWEST BAY OF BENGAL
AND ALONG & OFF TAMIL NADU COAST. FISHERMEN ARE ADVISED NOT TO
VENTURE INTO THESE AREAS (.)

10 SEPTEMBER (DAY 2):



HEAVY TO VERY HEAVY RAINFALL VERY LIKELY AT ISOLATED PLACES OVER
ASSAM & MEGHALAYA, COASTAL & SOUTH INTERIOR KARNATAKA AND KERALA &
MAHE; HEAVY RAINFALL AT ISOLATED PLACES OVER CHHATTISGARH,
SUB-HIMALAYAN WEST BENGAL & SIKKIM, ANDAMAN & NICOBAR ISLANDS,
MADHYA MAHARASHTRA, KONKAN & GOA, COASTAL ANDHRA PRADESH & YANAM,
TELANGANA, RAYALASEEMA, NORTH INTERIOR KARNATAKA AND TAMIL NADU,
PUDUCHERRY & KARAIKAL (.)

THUNDERSTORM ACCOMPANIED WITH LIGHTNING VERY LIKELY AT ISOLATED
PLACES OVER 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, KERALA & MAHE AND
TAMILNADU, PUDUCHERRY & KARAIKAL (.)

STRONG WIND (SPEED REACHING 45-55 KMPH) VERY LIKELY OVER SOUTHWEST
ARABIAN SEA; (SPEED REACHING 40-50 KMPH) OVER GULF OF MANNAR AND
COMORIN AREA. SQUALLY WEATHER (WIND SPEED REACHING 40-50 KMPH) OVER
SOUTHEAST & EASTCENTRAL ARABIAN SEA AND LAKSHADWEEP AREA; OVER
EASTCENTRAL & SOUTHWEST BAY OF BENGAL AND ALONG & OFF TAMIL NADU
COAST. FISHERMEN ARE ADVISED NOT TO VENTURE INTO THESE AREAS (.)=
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