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WWIN40 DEMS 290300

IWB (MORNING) DATED 29-04-2024

METEOROLOGICAL ANALYSIS:

 THE WESTERN DISTURBANCE AS A CYCLONIC CIRCULATION OVER EAST

AFGHANISTAN &

   NEIGHBOURHOOD AT 3.1 KM ABOVE MEAN SEA LEVEL WITH A TROUGH ALOFT

IN UPPER

   TROPOSPHERIC WESTERLIES WITH ITS AXIS AT 5.8 KM ABOVE MEAN SEA

LEVEL NOW RUNS ROUGHLY

   ALONG LONG. 65OE TO THE NORTH OF LAT. 27ON.

 THE CYCLONIC CIRCULATION OVER NORTHWEST RAJASTHAN & NEIGHBOURHOOD AT

0.9 KM ABOVE

   MEAN SEA LEVEL PERSISTS.

 THE CYCLONIC CIRCULATION OVER NORTHEAST ASSAM & NEIGHBOURHOOD

PERSISTS AND NOW SEEN

   BETWEEN 1.5 & 3.1 KM ABOVE MEAN SEA LEVEL.

 A TROUGH RUNS FROM NORTH BIHAR TO MANIPUR ACROSS SUB-HIMALAYAN WEST

BENGAL AND

   SOUTH ASSAM AT 0.9 KM ABOVE MEAN SEA LEVEL.

 THE CYCLONIC CIRCULATION OVER NORTH BANGLADESH & NEIGHBOURHOOD AT

0.9 KM ABOVE MEAN

   SEA LEVEL HAS MERGED WITH THE ABOVE TROUGH.

 THE TROUGH/WIND DISCONTINUITY FROM EASTERN PARTS OF VIDARBHA TO

NORTH KERALA NOW

   RUNS FROM CENTRAL VIDARBHA TO COASTAL KARNATAKA ACROSS

MARATHAWADA, INTERIOR

   KARNATAKA AND EXTENDS UPTO 1.5 KM ABOVE MEAN SEA LEVEL.

 THE CYCLONIC CIRCULATION OVER GULF OF MANNAR & NEIGHBOURHOOD NOW

LIES OVER SOUTH

   TAMIL NADU & NEIGHBOURHOOD AT 0.9 KM ABOVE MEAN SEA LEVEL.

 THE CYCLONIC CIRCULATION OVER CENTRAL PARTS OF SOUTH ARABIAN SEA

PERSISTS AND NOW

   EXTENDS UPTO 3.1 KM ABOVE MEAN SEA LEVEL.

 A FRESH WESTERN DISTURBANCE IS LIKELY TO AFFECT WESTERN HIMALAYAN

REGION FROM NIGHT OF

   03RD MAY, 2024.

 THE TROUGH FROM NORTHEAST JHARKHAND TO SOUTH CHHATTISGARH AT 0.9 KM

ABOVE MEAN SEA

   LEVEL HAS BECOME LESS MARKED.

   RAINFALL FORECAST:

 AT MOST PLACES OVER ARUNACHAL PRADESH, ASSAM & MEGHALAYA, HIMACHAL

PRADESH AND JAMMU-

  KASHMIR-LADAKH-GILGIT-BALTISTAN-MUZAFFARABAD;

 AT MANY PLACES OVER NAGALAND, MANIPUR, MIZORAM & TRIPURA;

 AT A FEW PLACES OVER UTTARAKHAND, PUNJAB AND LAKSHADWEEP;

 AT ISOLATED PLACES OVER ANDAMAN & NICOBAR ISLANDS, SUB-HIMALAYAN

WEST BENGAL & SIKKIM,

  ODISHA, WEST UTTAR PRADESH, HARYANA-CHANDIGARH-DELHI, WEST

RAJASTHAN, EAST MADHYA

  PRADESH, MARATHWADA, VIDARBHA, CHHATTISGARH, COASTAL ANDHRA PRADESH

& YANAM, TAMIL

  NADU, PUDUCHERRY & KARAIKAL AND KERALA & MAHE;

 DRY WEATHER OVER REST PART OF THE COUNTRY.

WEATHER WARNINGS:

29 APRIL (DAY 1):

  THUNDERSTORM ACCOMPANIED WITH LIGHTNING, GUSTY WINDS (SPEED

REACHING 40-50 KMPH) &

    HAILSTORM VERY LIKELY AT ISOLATED PLACES OVER HIMACHAL PRADESH,

UTTARAKHAND AND

    PUNJAB; WITH LIGHTNING & GUSTY WINDS (SPEED REACHING 40-50 KMPH)

AT ISOLATED PLACES

    OVER JAMMU-KASHMIR-LADAKH-GILGIT-BALTISTAN-MUZAFFARABAD,

HARYANA-CHANDIGARH-

    DELHI, ASSAM & MEGHALAYA, NAGALAND, MANIPUR, MIZORAM & TRIPURA;

WITH LIGHTNING,

    DUSTSTORM & GUSTY WINDS (SPEED REACHING 30-40 KMPH) AT ISOLATED

PLACES OVER WEST

    UTTAR PRADESH; WITH LIGHTNING & GUSTY WINDS (SPEED REACHING 30-40

KMPH) AT ISOLATED

    PLACES OVER EAST MADHYA PRADESH, VIDARBHA, CHHATTISGARH, ODISHA;

WITH LIGHTNING AT

    ISOLATED PLACES OVER SUB-HIMALAYAN WEST BENGAL & SIKKIM,

ARUNACHAL PRADESH, COASTAL

    ANDHRA PRADESH & YANAM, KERALA & MAHE AND LAKSHADWEEP.

  HEAVY RAINFALL VERY LIKELY AT ISOLATED PLACES OVER

JAMMU-KASHMIR-LADAKH-GILGIT-

    BALTISTAN-MUZAFFARABAD, HIMACHAL PRADESH AND ARUNACHAL PRADESH.

  HOT AND HUMID WEATHER VERY LIKELY TO PREVAIL OVER WEST ASSAM &

MEGHALAYA, TRIPURA,

    SOUTH GUJARAT REGION, TAMIL NADU, PUDUCHERRY & KARAIKAL AND

COASTAL KARNATAKA.

  HEAT WAVE TO SEVERE HEAT WAVE CONDITIONS VERY LIKELY TO PREVAIL AT

MANY PLACES OVER

    GANGETIC WEST BENGAL, BIHAR; IN ISOLATED POCKETS OVER ODISHA;

HEAT WAVE CONDITIONS IN

    ISOLATED POCKETS OVER EAST UTTAR PRADESH, SUB-HIMALAYAN WEST

BENGAL, JHARKHAND,

    SAURASHTRA & KUTCH, KONKAN & GOA, KERALA & MAHE, COASTAL ANDHRA

PRADESH & YANAM,

    TELANGANA, RAYALASEEMA AND INTERIOR KARNATAKA.

  WARM NIGHT CONDITIONS VERY LIKELY TO PREVAIL IN ISOLATED POCKETS

OVER EAST UTTAR

    PRADESH, MADHYA MAHARASHTRA, MARATHWADA AND INTERIOR KARNATAKA.

30 APRIL (DAY 2):

  THUNDERSTORM ACCOMPANIED WITH LIGHTNING, GUSTY WINDS (SPEED

REACHING 40-50 KMPH)

    VERY LIKELY AT ISOLATED PLACES OVER ASSAM & MEGHALAYA, NAGALAND,

MANIPUR, MIZORAM &

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

AT ISOLATED PLACES

    OVER JAMMU-KASHMIR-LADAKH-GILGIT-BALTISTAN-MUZAFFARABAD, PUNJAB,

SUB-HIMALAYAN

    WEST BENGAL & SIKKIM; WITH LIGHTNING AT ISOLATED PLACES OVER

HIMACHAL PRADESH,

    ARUNACHAL PRADESH, KERALA & MAHE AND LAKSHADWEEP.

  HEAVY RAINFALL VERY LIKELY AT ISOLATED PLACES OVER ARUNACHAL

PRADESH AND ASSAM &

    MEGHALAYA.

  HOT AND HUMID WEATHER VERY LIKELY TO PREVAIL OVER WEST ASSAM &

MEGHALAYA, TRIPURA,

    KONKAN & GOA, SOUTH GUJARAT REGION, TAMIL NADU, PUDUCHERRY &

KARAIKAL, KERALA & MAHE

    AND COASTAL KARNATAKA.

  HEAT WAVE TO SEVERE HEAT WAVE CONDITIONS VERY LIKELY TO PREVAIL AT

MANY PLACES OVER

    GANGETIC WEST BENGAL, BIHAR; IN ISOLATED POCKETS OVER ODISHA;

HEAT WAVE CONDITIONS IN

    ISOLATED POCKETS OVER SUB-HIMALAYAN WEST BENGAL, JHARKHAND,

SAURASHTRA & KUTCH,

    COASTAL ANDHRA PRADESH & YANAM, TELANGANA, RAYALASEEMA AND

INTERIOR KARNATAKA.

  WARM NIGHT CONDITIONS VERY LIKELY TO PREVAIL IN ISOLATED POCKETS

OVER INTERIOR

    KARNATAKA.=