• 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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