WWIN40 DEMS 100300


IWB (MORNING) DATED 10-01-2021



METEOROLOGICAL ANALYSIS:



THE WESTERN DISTURBANCE AS A CYCLONIC CIRCULATION OVER NORTH
PAKISTAN AND ADJOINING JAMMU & KASHMIR NOW SEEN BETWEEN 3.1 KM
& 4.5 KM ABOVE MEAN SEA LEVEL. A TROUGH ALOFT WITH ITS AXIS AT
5.8 KM ABOVE MEAN SEA LEVEL RUNS ROUGHLY ALONG LONG. 72OE TO THE
NORTH OF LAT. 32ON.

THE CYCLONIC CIRCULATION OVER SOUTHEAST ARABIAN SEA PERSISTS AND
NOW EXTENDS UPTO 1.5 KM ABOVE MEAN SEA LEVEL.

THE TROUGH IN LOW LEVEL EASTERLIES FROM THE ABOVE CYCLONIC
CIRCULATION OVER SOUTHEAST ARABIAN SEA TO NORTHWEST MADHYA PRADESH
ACROSS EASTCENTRAL ARABIAN SEA AND SOUTH GUJARAT REGION NOW RUNS
ROUGHLY ALONG SOUTHEAST ARABIAN SEA TO NORTH MAHARASHTRA ACROSS
EASTCENTRAL ARABIAN SEA AT 0.9 KM ABOVE MEAN SEA LEVEL.

THE CYCLONIC CIRCULATION OVER EQUATORIAL INDIAN OCEAN & ADJOINING
CENTRAL PARTS OF SOUTH BAY OF BENGAL EXTENDING UPTO 3.1 KM ABOVE
MEAN SEA LEVEL PERSISTS.

THE CYCLONIC CIRCULATION OVER SRI LANKA & NEIGHBOURHOOD HAS
MERGED WITH THE ABOVE SYSTEM.

A CYCLONIC CIRCULATION LIES OVER SOUTHWEST RAJASTHAN &
NEIGHBOURHOOD UPTO 1.5 KM ABOVE MEAN SEA LEVEL.

THE CYCLONIC CIRCULATION OVER EAST BANGLADESH &
NEIGHBOURHOOD EXTENDING UPTO 2.1 KM ABOVE MEAN SEA LEVEL HAS
BECOME LESS MARKED.



FORECAST:-



RAIN/THUNDERSHOWERS AT MANY PLACES OVER TAMILNADU, PUDUCHERRY &
KARAIKAL, KERALA & MAHE AND LAKSHADWEEP AND AT ISOLATED PLACES
OVER ANDAMAN & NICOBAR ISLANDS, ARUNACHAL PRADESH, ASSAM &
MEGHALAYA, SUB-HIMALAYAN WEST BENGAL & SIKKIM, KONKAN & GOA,
MADHYA MAHARASHTRA, COASTAL ANDHRA PRADESH & YANAM, RAYALSEEMA
AND COASTAL & SOUTH INTERIOR KARNATAKA (.)

DRY OVER REST PLACES (.)



WARNINGS:



10 JANUARY (DAY 1):

HEAVY TO VERY HEAVY RAINFALL AT ISOLATED PLACES VERY LIKELY OVER
SOUTH TAMILNADU AND HEAVY RAINFALL AT ISOLATED PLACES OVER KERALA
& MAHE.

THUNDERSTORM ACCOMPANIED WITH LIGHTNING AT ISOLATED PLACES VERY
LIKELY OVER TAMILNADU, PUDUCHERRY & KARAIKAL, KERALA & MAHE AND
LAKSHADWEEP.

DENSE FOG IN ISOLATED POCKETS VERY LIKELY OVER JAMMU DIVISION,
HIMACHAL PRADESH, UTTARAKHAND, PUNJAB, HARYANA, CHANDIGARH & DELHI,
RAJASTHAN, WEST MADHYA PRADESH AND ODISHA.

COLD DAY CONDITIONS AT ISOLATED PLACES OVER PUNJAB, HARYANA,
CHANDIGARH & DELHI AND WEST RAJASTHAN.

SQUALLY WEATHER (WIND SPEED REACHING 45-55 KMPH) VERY LIKELY OVER
EASTCENTRAL ARABIAN SEA AND (WIND SPEED REACHING 40-50 KMPH) OVER
COMORIN AREA, GULF OF MANNAR AND SOUTHWEST BAY OF BENGAL. FISHERMEN
ARE ADVISED NOT TO VENTURE INTO THESE AREAS.



11 JANUARY (DAY 2):

HEAVY TO VERY HEAVY RAINFALL AT ISOLATED PLACES VERY LIKELY OVER
SOUTH TAMILNADU AND HEAVY RAINFALL AT ISOLATED PLACES OVER KERALA
& MAHE.

THUNDERSTORM ACCOMPANIED WITH LIGHTNING AT ISOLATED PLACES VERY
LIKELY OVER TAMILNADU, PUDUCHERRY & KARAIKAL, KERALA & MAHE AND
LAKSHADWEEP.

COLD WAVE CONDITIONS IN ISOLATED POCKETS VERY LIKELY OVER NORTH
RAJASTHAN.

SQUALLY WEATHER (WIND SPEED REACHING 40-50 KMPH) OVER COMORIN
AREA, GULF OF MANNAR AND SOUTHWEST BAY OF BENGAL. FISHERMEN ARE
ADVISED NOT TO VENTURE INTO THESE AREAS.
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