WWIN40 DEMS 141200

IWB (EVENING) DATED 14-09-2020



THE WELL MARKED LOW PRESSURE AREA OVER OVER WESTCENTRAL BAY OF
BENGAL & ADJOINING NORTH ANDHRA PRADESH COAST WITH ASSOCIATED
CYCLONIC CIRCULATION EXTENDING UPTO MID-TROPOSPHERIC LEVELS TILTING SOUTHWESTWARDS WITH HEIGHT PERSISTS. THE MONSOON TROUGH AT
MEAN SEA LEVEL CONTINUES TO PASS THROUGH BIKANER, JAIPUR, SAGAR,
DURG, JAGDALPUR AND THEN SOUTH-SOUTHEASTWARDS TO THE CENTRE OF WELL
MARKED LOW PRESSURE AREA OVER WESTCENTRAL BAY OF BENGAL & ADJOINING
NORTH ANDHRA PRADESH COAST. THE CYCLONIC CIRCULATION OVER
NORTHEAST ARABIAN SEA & ADJOINING SOUTH GUJARAT COAST EXTENDING UPTO
2.1 KM ABOVE MEAN SEA LEVEL PERSISTS. THE OFF-SHORE TROUGH AT MEAN
SEA LEVEL FROM SOUTH GUJARAT COAST TO NORTH KARNATAKA COAST PERSISTS
. THE CYCLONIC CIRCULATION OVER NORTH PAKISTAN & NEIGHBOURHOOD
EXTENDING UPTO 1.5 KM ABOVE MEAN SEA LEVEL PERSISTS. THE CYCLONIC
CIRCULATION OVER EAST VIDARBHA & ADJOINING CHHATTISGARH EXTENDING
UPTO 0.9 KM ABOVE MEAN SEA LEVEL PERSISTS. THE CYCLONIC CIRCULATION
OVER SOUTHWEST UTTAR PRADESH & NEIGHBOURHOOD EXTENDING UPTO UPTO
0.9 KM ABOVE MEAN SEA LEVEL PERSISTS. THE TROUGH IN MID-TROPOSPHERIC
WESTERLIES ROUGHLY ALONG LONG. 60OE TO THE NORTH OF LAT. 28ON
PERSISTS.

FORECAST:-

RAIN/THUNDERSHOWER AT MOST PLACES OVER VIDARBHA, ANDAMAN & NICOBAR
ISLANDS, ARUNACHAL PRADESH, ASSAM & MEGHALAYA, SUB-HIMALAYAN WEST
BENGAL & SIKKIM, KONKAN & GOA, MADHYA MAHARASHTRA, MARATHWADA,
VIDHARBHA, COASTAL ANDHRA PRADESH & YANAM, TELANGANA, COASTAL
KARNATAKA AND KERALA & MAHE; AT MANY PLACES OVER NAGALAND, MANIPUR,
MIZORAM & TRIPURA, BIHAR, RAYALSEEMA, INTERIOR KARNATAKA AND
LAKSHADWEEP; AT A FEW PLACES OVER GANGETIC WEST BENGAL. ODISHA, EAST
UTTAR PRADESH, UTTARAKHAND, MADHYA PRADESH, GUJARAT STATE AND
CHHATTISGARH AND AT ISOLATED PLACES OVER JHARKHAND, WEST UTTAR
PRADESH, HARYANA, CHANDIGARH & DELHI, HIMACHAL PRADESH, JAMMU &
KASHMIR, LADAKH, GILGIT-BALTISTAN & MUZAFFARABAD, RAJASTHAN AND
TAMILNADU, PUDUCHERRY & KARAIKAL (.) DRY WEATHER PREVAIL REST OF
THE COUNTRY (.)

WARNING:-

14 SEPTEMBER (DAY 1): HEAVY TO VERY HEAVY RAINFALL WITH EXTREMELY
HEAVY FALLS VERY LIKELY AT ISOLATED PLACES OVER TELANGANA; HEAVY TO
VERY HEAVY RAINFALL AT ISOLATED PLACES OVER SUB-HIMALAYAN WEST
BENGAL & SIKKIM, ARUNACHAL PRADESH, ASSAM & MEGHALAYA, RAYALASEEMA
AND COASTAL ANDHRA PRADESH & YANAM AND HEAVY RAINFALL AT ISOLATED
PLACES OVER EAST UTTAR PRADESH, SOUTHWEST MADHYA PRADESH, VIDARBHA,
BIHAR, ODISHA, ANDAMAN & NICOBAR ISLANDS, NAGALAND, GUJARAT STATE,
MARATHWADA, KONKAN & GOA, COASTAL & NORTH INTERIOR KARNATAKA, NORTH
TAMILNADU AND KERALA & MAHE (.)

MODERATE THUNDERSTORM ACCOMPANIED WITH LIGHTNING VERY LIKELY AT
ISOLATED PLACES OVER COASTAL ANDHRA PRADESH & YANAM, TELANGANA,
RAYALASEEMA, BIHAR AND EAST UTTAR PRADESH AND THUNDERSTORM
ACCOMPANIED WITH LIGHTNING AT ISOLATED PLACES OVER WEST UTTAR
PRADESH, EAST RAJASTHAN, SAURASHTRA & KUTCH, MADHYA PRADESH,
VIDARBHA, CHHATTISGARH, JHARKHAND, GANGETIC WEST BENGAL, ARUNACHAL
PRADESH, ASSAM & MEGHALAYA, NAGALAND, MANIPUR, MIZORAM & TRIPURA,
MADHYA MAHARASHTRA, MARATHAWADA, KARNATAKA AND ODISHA (.)

STRONG WIND (SPEED REACHING 45-55 KMPH) VERY LIKELY OVER SOUTHWEST
ARABIAN SEA, LAKSHADWEEP AREA AND ALONG & OFF KERALA-KARNATAKA
COASTS. SQUALLY WEATHER (WIND SPEED REACHING 45-55 KMPH) OVER
WESTCENTRAL BAY OF BENGAL AND ALONG & OFF ANDHRA PRADESH COAST.
FISHERMEN ARE ADVISED NOT TO VENTURE INTO THESE AREAS (.)

. 15 SEPTEMBER (DAY 2): HEAVY TO VERY HEAVY RAINFALL VERY LIKELY AT
ISOLATED PLACES OVER TELANGANA AND HEAVY RAINFALL AT ISOLATED
PLACES OVER EAST UTTAR PRADESH, SOUTHWEST MADHYA PRADESH, VIDARBHA,
BIHAR, SUB-HIMALAYAN WEST BENGAL & SIKKIM, ANDAMAN & NICOBAR
ISLANDS, ARUNACHAL PRADESH, ASSAM & MEGHALAYA, TRIPURA & MIZORAM,
MADHYA MAHARASHTRA, MARATHWADA, KONKAN & GOA, RAYALASEEMA, COASTAL
ANDHRA PRADESH & YANAM, COASTAL & NORTH INTERIOR KARNATAKA AND
KERALA & MAHE.

MODERATE THUNDERSTORM ACCOMPANIED WITH LIGHTNING VERY LIKELY AT
ISOLATED PLACES OVER COASTAL ANDHRA PRADESH & YANAM, TELANGANA,
RAYALASEEMA AND EAST UTTAR PRADESH AND THUNDERSTORM ACCOMPANIED
WITH LIGHTNING AT ISOLATED PLACES OVER EAST RAJASTHAN, MADHYA
PRADESH, VIDARBHA, CHHATTISGARH, ARUNACHAL PRADESH, ASSAM &
MEGHALAYA AND NAGALAND, MANIPUR, MIZORAM & TRIPURA (.)

STRONG WIND (SPEED REACHING 45-55 KMPH) VERY LIKELY OVER SOUTHWEST
ARABIAN SEA, LAKSHADWEEP AREA AND ALONG & OFF KERALA-KARNATAKA
COASTS. SQUALLY WEATHER (WIND SPEED REACHING 45-55 KMPH) OVER
WESTCENTRAL BAY OF BENGAL AND ALONG & OFF ANDHRA PRADESH COAST.
FISHERMEN ARE ADVISED NOT TO VENTURE INTO THESE AREAS (.)=
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WWIN40 DEMS 051510
IWB (EVENING) DATED 05-05-2021

METEOROLOGICAL ANALYSIS:-
THE WESTERN DISTURBANCE NOW SEEN AS A TROUGH IN MID AND UPPER
TROPOSPHERIC WESTERLIES WITH ITSAXIS AT 5.8 KM ABOVE MEAN SEA LEVEL,
ROUGHLY ALONG LONGITUDE 60OE TO THE NORTH OF LATITUDE 25ON .? THE
TROUGH IN WESTERLIES ROUGHLY ALONG LONGITUDE 89OE TO THE NORTH OF
LATITUDE 18ON BETWEEN 5.8KM & 7.6 KM ABOVE MEAN SEA LEVEL PERSISTS.?
THE CYCLONIC CIRCULATION OVER HARYANA & NEIGHBOURHOOD AT 3.1 KM ABOVE
MEAN SEA LEVEL PERSISTS.? THE CYCLONIC CIRCULATION OVER NORTH
INTERIOR KARNATAKA & NEIGHBOURHOOD AT 0.9 KM ABOVE MEAN SEALEVEL
PERSISTS.? THE TROUGH FROM ABOVE CYCLONIC CIRCULATION OVER NORTH
INTERIOR KARNATAKA & NEIGHBOURHOOD TOSOUTH KERALA COAST AT 0.9 KM
ABOVE MEAN SEA LEVEL PERSISTS.? THE TROUGH IN WESTERLIES ROUGHLY
ALONG LONGITUDE 85OE TO THE NORTH OF LATITUDE 22ON BETWEEN 3.1KM &
3.6 KM ABOVE MEAN SEA LEVEL PERSISTS.? THE CYCLONIC CIRCULATION OVER
COMORIN AREA & NEIGHBORHOOD BETWEEN 1.5KM& 5.8 KM ABOVEMEAN SEA LEVEL PERSISTS.? THE EASTWEST TROUGH FROM PUNJAB TO ASSAM ACROSSHARYANA,
UTTAR PRADESH, BIHAR AND SUBHIMALAYAN WEST BENGAL AND EXTENDS UPTO
0.9 KM ABOVE MEAN SEA LEVEL PERSISTS.
FORECAST:-
RAIN/THUNDERSHOWERS: AT MOST PLACES OVER ARUNACHAL PRADESH, ASSAM &
MEGHALAYA ,UTTARAKHAND AND HIMACHAL PRADESH; AT MANY PLACES OVER
ANDAMAN& NICOBER ISLANDS, NAGALAND, MANIPUR, MIZORAM & TRIPURA,
GANGETIC WEST BENGAL , SUB-HIMALAYAN WEST BENGAL & SIKKIM, COASTAL
KARNATAKA, SOUTH INTERIOR KARNATAKA, KERALA & MAHE, LAKSHADWEEP AND
JAMMU, KASHMIR, LADAKH, GILGIT- BALTISTAN AND MUZAFFARABAD; AT A FEW
PLACES OVER ODISHA, JHARKHAND, BIHAR, PUNJAB AND COASTAL ANDRA
PRADESH & YANAM AND AT ISOLATED PLACES OVER UTTAR PRADESH, HARYANA,
CHANDIGARH & DELHI, RAJASTHAN, MADHYA PRADESH, KONKAN & GOA, MADHYA MAHARASHTRA, MARATHWADA, VIDHARBHA, CHHATTISGARH, TELANGANA,
RAYALSEEMA, TAMILNADU, PUDUCHERRY & KARAIKAL AND NORTH INTERIOR
KARNATAKA.
DRY WEATHER OVER REST PART OF THE COUNTRY.
WARNING:-
05 MAY (DAY 1): THUNDERSTORM WITH LIGHTNING, HAIL & GUSTY WIND
(SPEED REACHING 30-40 KMPH) VERY LIKELY AT ISOLATED PLACES OVER JAMMU
& KASHMIR, LADAKH, GILGIT-BALTISTAN & MUZAFFARABAD, HIMACHAL PRADESH, UTTARAKHAND, ASSAM & MEGHALAYA, MADHYA MAHARASHTRA AND TELANGANA;
WITH LIGHTNING & GUSTY WIND (SPEED REACHING 40-50 KMPH) AT ISOLATED
PLACES OVER GANGETIC WEST BENGAL, NAGALAND, MANIPUR, MIZORAM &
TRIPURA; WITH LIGHTNING & GUSTY WIND (SPEED REACHING 30-40 KMPH) AT
ISOLATED PLACES OVER ANDAMAN & NICOBAR ISLANDS, UTTAR PRADESH, BIHAR, JHARKHAND, SUB-HIMALAYAN WEST BENGAL & SIKKIM, ODISHA, KONKAN & GOA,
KARNATAKA, KERALA & MAHE AND LAKSHADWEEP AND WITH LIGHTNING AT
ISOLATED PLACES OVER PUNJAB, HARYANA, CHANDIGARH & DELHI, VIDARBHA, CHHATTISGARH,ARUNACHAL PRADESH, MARATHWADA, COASTAL ANDHRA PRADESH &
YANAM, RAYALASEEMA AND SOUTH TAMILNADU.
HEAVY RAINFALL VERY LIKELY AT ISOLATED PLACES OVER UTTARAKHAND,
SUB-HIMALAYAN WEST BENGAL & SIKKIM, ODISHA, ASSAM & MEGHALAYA,
COASTAL & SOUTH INTERIOR KARNATAKA, TAMIL NADU, PUDUCHERRY & KARAIKAL
AND KERALA & MAHE.
06 MAY (DAY 2): THUNDERSTORM WITH LIGHTNING, HAIL & GUSTY WIND (SPEED
REACHING 30-40 KMPH) VERY LIKELY AT ISOLATED PLACES OVER HIMACHAL
PRADESH, UTTARAKHAND, BIHAR, MADHYA MAHARASHTRA AND TELANGANA; WITH
LIGHTNING & GUSTY WIND (SPEED REACHING 40-50 KMPH) AT ISOLATED PLACES
OVER JHARKHAND AND GANGETIC WEST BENGAL; WITH LIGHTNING & GUSTY WIND
(SPEED REACHING 30-40 KMPH) AT ISOLATED PLACES OVER JAMMU & KASHMIR,
LADAKH, GILGIT-BALTISTAN & MUZAFFARABAD, PUNJAB, HARYANA, CHANDIGARH
& DELHI, UTTAR PRADESH, VIDARBHA, CHHATTISGARH, ODISHA, MARATHWADA,
KONKAN & GOA AND KERALA & MAHE AND WITH LIGHTNING AT ISOLATED PLACES
OVER MADHYA PRADESH, ARUNACHAL PRADESH, ASSAM & MEGHALAYA, NAGALAND,
MANIPUR, MIZORAM & TRIPURA, COASTAL ANDHRA PRADESH & YANAM,
KARNATAKA, TAMIL NADU, PUDUCHERRY & KARAIKAL AND LAKSHADWEEP.
THUNDERSTORM/DUSTSTORM VERY LIKELY AT ISOLATED PLACES OVER
RAJASTHAN.
HEAVY RAINFALL VERY LIKELY AT ISOLATED PLACES OVER HIMACHAL PRADESH, UTTARAKHAND, SUB-HIMALAYAN WEST BENGAL & SIKKIM, ARUNACHAL PRADESH,
ASSAM & MEGHALAYA, COASTAL & SOUTH INTERIOR KARNATAKA AND KERALA &
MAHE.
=
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