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WWIN40 DEMS 211200

IWB (EVENING) DATED 21-04-2024



METEOROLOGICAL ANALYSIS:

 THE WESTERN DISTURBANCE AS A TROUGH WITH ITS AXIS AT 5.8 KM ABOVE

MEAN SEA

LEVEL NOW RUNS ROUGHLY ALONG LONG. 72OE TO THE NORTH OF LAT. 30ON.

 THE OTHER WESTERN DISTURBANCE AS A CYCLONIC CIRCULATION OVER EAST

IRAN &

NEIGHBOURHOOD AT 5.8 KM ABOVE MEAN SEA LEVEL PERSISTS.

 THE CYCLONIC CIRCULATION OVER NORTHEAST BANGLADESH & NEIGHBOURHOOD

AT 0.9

KM ABOVE MEAN SEA LEVEL PERSISTS.

THE NORTH-SOUTH TROUGH FROM CYCLONIC CIRCULATION OVER NORTHEAST

BANGLADESH TO NORTH BAY OF BENGAL AT 0.9 KM ABOVE MEAN SEA LEVEL

PERSISTS.

THE CYCLONIC CIRCULATION OVER NORTHEAST ASSAM & NEIGHBOURHOOD BETWEEN

1.5

& 3.1 KM ABOVE MEAN SEA LEVEL PERSISTS.

THE TROUGH/WIND DISCONTINUITY FROM SOUTH CHHATTISGARH TO SOUTH TAMIL

NADU

ACROSS TELANGANA, COASTAL ANDHRA PRADESH & RAYALASEEMA AT 0.9 KM

ABOVE

MEAN SEA LEVEL PERSISTS.

THE CYCLONIC CIRCULATION OVER GULF OF MANNAR & NEIGHBOURHOOD AT 0.9

KM

ABOVE MEAN SEA LEVEL PERSISTS.

 A FRESH WESTERN DISTURBANCE IS LIKELY TO AFFECT WESTERN HIMALAYAN

REGION

FROM 26 TH APRIL, 2024.



RAINFALL FORECAST:

 AT MOST PLACES OVER ARUNACHAL PRADESH;

 AT MANY PLACES OVER ASSAM & MEGHALAYA;

AT FEW PLACES OVER NAGALAND, MANIPUR, MIZORAM & TRIPURA, ODISHA,

UTTARAKHAND, HIMACHAL PRADESH, JAMMU-KASHMIR-LADAKH-GILGIT-BALTISTAN-

MUZAFFARABAD AND KERALA & MAHE;

AT ISOLATED PLACES OVER ANDAMAN & NICOBAR ISLANDS, WEST BENGAL &

SIKKIM,

JHARKHAND, WEST UTTAR PRADESH, PUNJAB, RAJASTHAN, MADHYA PRADESH,

MAHARASHTRA & GOA, CHHATTISGARH, COASTAL ANDHRA PRADESH & YANAM,

TELANGANA, RAYALASEEMA, TAMIL NADU, PUDUCHERRY & KARAIKAL AND

KARNATAKA;

DRY WEATHER OVER REST PART OF THE COUNTRY.



WEATHER WARNINGS:

21 APRIL (DAY 1):



THUNDERSTORM ACCOMPANIED WITH LIGHTNING & GUSTY WINDS (SPEED REACHING

40-

50 KMPH) VERY LIKELY AT ISOLATED PLACES OVER EAST MADHYA PRADESH,

ODISHA,

ASSAM & MEGHALAYA, VIDARBHA, CHHATTISGARH, COASTAL ANDHRA PRADESH &

YANAM AND RAYALASEEMA; WITH LIGHTNING & GUSTY WINDS (SPEED REACHING

30-40

KMPH) AT ISOLATED PLACES OVER NAGALAND, MANIPUR, MIZORAM & TRIPURA,

TELANGANA AND KARNATAKA; WITH LIGHTNING & HAIL AT ISOLATED PLACES

OVER

MARATHWADA; WITH LIGHTNING AT ISOLATED PLACES OVER

JAMMU-KASHMIR-LADAKH-

GILGIT-BALTISTAN-MUZAFFARABAD, HIMACHAL PRADESH, WEST MADHYA PRADESH,

SUB-

HIMALAYAN WEST BENGAL & SIKKIM, ARUNACHAL PRADESH, KONKAN & GOA,

MADHYA

MAHARASHTRA AND KERALA & MAHE.

THUNDERSTORM/DUSTSTORM ACCOMPANIED WITH LIGHTNING VERY LIKELY AT

ISOLATED PLACES OVER WEST RAJASTHAN.

HEAVY RAINFALL VERY LIKELY AT ISOLATED PLACES OVER ARUNACHAL PRADESH,

ASSAM & MEGHALAYA AND NAGALAND, MANIPUR, MIZORAM & TRIPURA.

HOT AND HUMID WEATHER VERY LIKELY TO PREVAIL OVER SUB-HIMALAYAN WEST

BENGAL, KONKAN & GOA, COASTAL ANDHRA PRADESH & YANAM, RAYALASEEMA,

KERALA

& MAHE AND TAMIL NADU, PUDUCHERRY & KARAIKAL.

 HEAT WAVE CONDITIONS IN MANY PARTS WITH SEVERE HEAT WAVE CONDITIONS

IN

ISOLATED POCKETS VERY LIKELY TO PREVAIL OVER GANGETIC WEST BENGAL;

HEAT

WAVE CONDITIONS IN SOME PARTS WITH SEVERE HEAT WAVE CONDITIONS IN

ISOLATED

POCKETS OVER ODISHA; HEAT WAVE CONDITIONS IN ISOLATED POCKETS OVER

EAST

UTTAR PRADESH, SUB-HIMALAYAN WEST BENGAL, BIHAR AND JHARKHAND.

WARM NIGHT CONDITIONS VERY LIKELY TO PREVAIL IN ISOLATED POCKETS OVER

GANGETIC WEST BENGAL AND ODISHA.

22 APRIL (DAY 2):

THUNDERSTORM ACCOMPANIED WITH LIGHTNING & GUSTY WINDS (SPEED REACHING

40-50 KMPH) WITH HAIL VERY LIKELY AT ISOLATED PLACES OVER VIDARBHA;

WITH

LIGHTNING & GUSTY WINDS (SPEED REACHING 40-50 KMPH) AT ISOLATED

PLACES OVER

EAST MADHYA PRADESH, CHHATTISGARH, COASTAL ANDHRA PRADESH & YANAM AND

ODISHA; WITH LIGHTNING & GUSTY WINDS (SPEED REACHING 30-40 KMPH) AT

ISOLATED

PLACES OVER EAST RAJASTHAN, ASSAM & MEGHALAYA, NAGALAND, MANIPUR,

MIZORAM & TRIPURA AND TELANGANA; WITH LIGHTNING & HAIL AT ISOLATED

PLACES

OVER HIMACHAL PRADESH; WITH LIGHTNING AT ISOLATED PLACES OVER JAMMU-

KASHMIR-LADAKH-GILGIT-BALTISTAN-MUZAFFARABAD, UTTARAKHAND, WEST UTTAR

PRADESH, WEST MADHYA PRADESH, SUB-HIMALAYAN WEST BENGAL & SIKKIM,

ARUNACHAL PRADESH, MADHYA MAHARASHTRA, MARATHWADA KARNATAKA AND

KERALA & MAHE.

 THUNDERSTORM/DUSTSTORM ACCOMPANIED WITH LIGHTNING VERY LIKELY AT

ISOLATED PLACES OVER WEST RAJASTHAN.

 HEAVY TO VERY HEAVY RAINFALL VERY LIKELY AT ISOLATED PLACES OVER

ARUNACHAL

PRADESH AND HEAVY RAINFALL AT ISOLATED PLACES OVER ASSAM & MEGHALAYA.

HOT AND HUMID WEATHER VERY LIKELY TO PREVAIL OVER SUB-HIMALAYAN WEST

BENGAL, KONKAN & GOA, COASTAL ANDHRA PRADESH & YANAM, RAYALASEEMA,



COASTAL KARNATAKA, KERALA & MAHE AND TAMIL NADU, PUDUCHERRY &

KARAIKAL.

 HEAT WAVE CONDITIONS IN SOME PARTS WITH SEVERE HEAT WAVE CONDITIONS

IN

ISOLATED POCKETS VERY LIKELY TO PREVAIL OVER GANGETIC WEST BENGAL;

HEAT

WAVE CONDITIONS IN ISOLATED POCKETS OVER EAST UTTAR PRADESH, BIHAR

AND

ODISHA.=