Indian-S: IWB 23102020E
From
Weather Alert@21:1/175 to
All on Fri Oct 23 20:33:00 2020
WWIN40 DEMS 231200
IWB (EVENING) DATED 23-10-2020
THE WITHDRAWAL LINE OF THE SOUTHWEST MONSOON CONTINUES TO PASS
THROUGH LAT. 27ON/LONG.90OE, COOCH BEHAR, SRINIKETAN, RANCHI,
PENDRA ROAD, MANDLA, NARSINGHPUR, INDORE, VALLABH VIDYANAGAR,
PORBANDAR, LAT.21ON/LONG.65OE AND LAT.21ON/LONG.60OE. CONDITIONS
CONTINUE TO BE FAVOURABLE FOR FURTHER WITHDRAWAL OF SOUTHWEST
MONSOON FROM REMAINING PARTS OF JHARKHAND, CHHATTISGARH, MADHYA
PRADESH, GUJARAT AND NORTH & CENTRAL ARABIAN SEA; SOME PARTS OF
ODISHA AND NORTH MAHARASHTRA DURING NEXT 2-DAYS AND FROM REMAINING
PARTS OF WEST BENGAL, SIKKIM, ODISHA, TELENGANA, PARTS OF
NORTH-EASTERN STATES, ANDHRA PRADESH AND MOST PARTS OF MAHARASHTRA
DURING SUBSEQUENT 2 DAYS. THE DEPRESSION OVER BANGLADESH MOVED NORTH-NORTHEASTWARDS WITH A SPEED OF 34 KMPH DURING PAST 06 HOURS
LAY CENTRED AT 1730 HRS IST OF TODAY, THE 23RD OCTOBER, 2020 OVER
BANGLADESH NEAR LATITUDE 23.3ON & LONGITUDE 89.5E ABOUT 160 KM
NORTH -NORTHWEST OF KHEPUPARA (BANGLADESH) AND ABOUT 100 KM
WEST-SOUTHWEST OF DHAKA (BANGLADESH) AND ABOUT 190 KM WEST -SOUTHWEST
OF AGARTALA (TRIPURA). IT IS VERY LIKELY TO MOVE FURTHER NORTH-NORTH
EASTWARDS MAINTAINING THE INTENSITY OF DEPRESSION FOR NEXT 12 HOURS
AND WEAKEN THEREAFTER INTO A WELL MARKED LOW PRESSURE AREA OVER
BANGLADESH. THE EAST-WEST TROUGH ROUGHLY ALONG 13ON ACROSS
PENINSULAR INDIA BETWEEN 1.5 KM & 3.6 KM ABOVE MEAN SEA LEVEL
PERSISTS. THE WESTERN DISTURBANCE AS A CYCLONIC CIRCULATION OVER
PUNJAB & NEIGHBOURHOOD BETWEEN 3.1KM & 3.6 KM ABOVE MEAN SEA LEVEL
PERSISTS. THE OTHER WESTERN DISTURBANCE AS A TROUGH IN MID
TROPOSPHERIC WESTERLIES WITH ITS AXIS AT 5.8 KM ABOVE MEAN SEA LEVEL
NOW RUNS ROUGHLY ALONG LONG 68OE AND NORTH OF LAT 30ON. THE
CYCLONIC CIRCULATION OVER SOUTHWEST ARABIAN SEA EXTENDING UPTO 1.5 KM
ABOVE MEAN SEA LEVEL PERSISTS.
FORECAST:-
RAIN/THUNDERSHOWER AT MOST PLACES ASSAM & MEGHALAYA, NAGALAND,
MANIPUR, MIZORAM & TRIPURA AND COASTAL KARNATAKA; AT MANY PLACES
OVER ARUNACHAL PRADESH, ANDAMAN & NICOBAR ISLANDS AND SOUTH INTERIOR
KARNATAKA; AT A FEW PLACES OVER GANGETIC WEST BENGAL, KONKAN &
GOA, MADHYA MAHARASHTRA, TAMILNADU, PUDUCHERRY & KARAIKAL, KERALA &
MAHE AND LAKSHADWEEP; AT ISOLATED PLACES OVER SUB-HIMALAYANA WEST
BENGAL & SIKKIM,ODISHA, JHARKHAND, BIHAR, EAST UTTER PRADESH,
UTTRAKHAND, WEST MADHYA PRADESH, MARATHWADA, CHATTISGARH, COASTAL
ANDHRA PRADESH & YANAM, TELANGANA, RAYALSEEMA, AND NORTH INTERIOR
KARNATAKA (.)
DRY WEATHER OVER REST PARTS OF THE COUNTRY (.)
WARNING:
23 OCTOBER (DAY 1): HEAVY TO VERY HEAVY RAINFALL AT A FEW
PLACES VERY LIKELY OVER SOUTH ASSAM & MEGHALAYA, NAGALAND, MANIPUR,
MIZORAM & TRIPURA AND HEAVY RAINFALL AT ISOLATED PLACES OVER EAST
ARUNACHAL PRADESH, REMAINING DISTRICTS OF ASSAM, SOUTH KONKAN & GOA,
MADHYA MAHARASHTRA, RAYALASEEMA, COASTAL & SOUTH INTERIOR KARNATAKA
AND TAMILNADU, PUDUCHERRY & KARAIKAL. THUNDERSTORM WITH LIGHTNING
VERY LIKELY AT ISOLATED PLACES OVER ARUNACHAL PRADESH, ASSAM &
MEGHALAYA, NAGALAND, MANIPUR, MIZORAM & TRIPURA, MADHYA MAHARASHTRA,
MARATHAWADA, KONKAN & GOA, RAYALASEEMA, KARNATAKA, AND TAMILNADU,
PUDUCHERRY & KARAIKAL. SQUALLY WIND (SPEED REACHING 40-50 KMPH
GUSTING 60 KMPH) LIKELY OVER NORTH BAY OF BENGAL AND ALONG & OFF
WEST BENGAL-BANGLADESH COASTS DURING NEXT 12 HOURS. SEA CONDITION
WILL BE ROUGH TO VERY ROUGH OVER NORTH BAY OF BENGAL AND ALONG &
OFF WEST BENGAL-BANGLADESH COASTS. FISHERMEN ARE ADVISED NOT TO
VENTURE INTO THESE AREAS DURING NEXT 12 HOURS.
24 OCTOBER (DAY 2): HEAVY RAINFALL VERY LIKELY AT ISOLATED PLACES
OVER ASSAM & MEGHALAYA, NAGALAND, MANIPUR, MIZORAM & TRIPURA AND
COASTAL & SOUTH INTERIOR KARNATAKA. THUNDERSTORM WITH LIGHTNING
VERY LIKELY AT ISOLATED PLACES OVER ASSAM & MEGHALAYA, NAGALAND,
MANIPUR, MIZORAM & TRIPURA, MADHYA MAHARASHTRA, KONKAN & GOA,
COASTAL & SOUTH INTERIOR KARNATAKA AND TAMILNADU, PUDUCHERRY &
KARAIKAL.=
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