(at 2030 Hrs. IST)- Cyclonic Storm ‘AMPHAN’ over Westcentral Bay of Bengal: Cyclone Warning for West Bengal and north Odisha coasts: Orange Message

According to the latestrelease (at 2030 Hrs. IST)by the National Weather Forecasting Centre/Cyclone Warning Divisionof the India Meteorological Department: (Attn. Updates are marked in Colour).  

The Extremely Severe Cyclonic Storm ‘AMPHAN’ (pronounced as UM-PUN) over WestcentralBay of Bengal moved nearly northwards with a speed of 17 kmph during past 06 hours and lay centred at 1730 hrs IST of 19th May, 2020over Westcentraland adjoining northwest Bay of Bengalnear latitude 17.4°N and longitude 87.0°E,about 320 km nearly south of Paradip (Odisha), 470 km south-southwest of Digha (West Bengal) and 610 km south-southwest of Khepupara (Bangladesh).            

It is very likely to move north-northeastwards across northwest Bay of Bengal and cross West Bengal – Bangladesh coasts between Digha (West Bengal) and Hatiya Islands (Bangladesh) close to Sundarbans during Afternoon to Evening hours of 20th May 2020 with maximum sustained wind speed of 155-165 kmph gusting to 185 kmph.            

The system is now being continuously tracked by the Doppler Weather Radar (DWR) at Vishakhapatnam (Andhra Pradesh), Paradip (Odisha) and Gopalpur (Odisha).

           Forecast track and intensity are given in the following table:

 

Date/Time(IST)

Position

(Lat. 0N/ long. 0E)

Maximum sustained surface

wind speed (Kmph)

Category of cyclonic disturbance

19.05.20/1730

17.4/87.0

190-200 gusting to 220

Extremely Severe Cyclonic Storm

19.05.20/2330

18.4/87.2

180-190 gusting to 210

Extremely Severe Cyclonic Storm

20.05.20/0530

19.4/87.4

170-180 gusting to 200

Extremely Severe Cyclonic Storm

20.05.20/1130

20.6/87.8

160-170 gusting to 190

Extremely Severe Cyclonic Storm

20.05.20/1730

21.8/88.3

150-160 gusting to 180

Very Severe Cyclonic Storm

21.05.20/0530

23.8/89.2

80-90 gusting to 100

Cyclonic Storm

21.05.20/1730

25.0/90.0

40-50 gusting to 60

Depression

           

 (1) Heavy rainfall Warning:

Odisha

Light to moderate rainfall is very likely at most places of coastal Odisha with heavy to very heavy rainfall at isolated placesJagatsinghpur, Kendrapara and BhadrakDistricts and isolated heavyfalls over Jajpur, Balasore,Cuttack, Mayurbhanj,Khordha&Puri districts on 19th May and isolated heavy to very heavy rainfall at isolated places over north coastal Odisha (Balasore, Bhadrak, Mayurbhanj, Jajpur, Kendrapara and Keonjhargarh Districts) on 20th May 2020.

 West Bengal

Coastal districts of Gangetic West Bengal (East Medinipur, South & North 24 Parganas) are likely to experience light to moderate rainfall at many places commencing from today, the 19th May evening.Rainfall intensity is likely to increase gradually and become maximum on 20thMay. Rainfall at most places with heavy to very heavy falls at a few places & extremely heavy falls at isolated places likely over Gangetic West Bengal (east & west Medinipur, south & north 24 Parganas, Howrah, Hoogli, Kolkata and adjoining districts)on 20th May and isolated heavy rain over interior districts on 21st May, 2020.

Sub-Himalayan West Bengal and Sikkim

Light to moderate rainfall at most places with heavy to very heavy falls at a few places over Malda& Dinajpur districts on 20th May and over most of the districts of Sub-Himalayan West Bengal & Sikkim on 21st May, 2020.

Assam & Meghalaya

        Light to moderate rainfall at most places with heavy to very heavy falls at a few places over the western districts of Assam & Meghalaya on 21st May.

(2) Wind warning

West Bengal & Odisha

Deep Sea area

 

(3) Sea condition:

 

(4) Fishermen Warning

(5)Storm Surge expected

(6)Damage Expected and Action suggested

(a) West Bengal (east Medinipur, south & north 24 Parganas, Howrah, Hoogli, Kolkata districts)

Damage Expected:

 People in affected areas to remain indoors. Mobilise evacuation from Low lying areas.

 

(b) Odisha (Jagatsinghpur, Kendrapara, Bhadrak, Balasore, Jajpur& Mayurbhanj)

Damage Expected:

Fishermen Warning & Action Suggested:

 

7. Post Landfall Outlook:

After the landfall the system is very likely to continue to move north-northeastwards, across Gangetic West Bengal & Bangladesh and weaken gradually. It is likely to maintain the intensity of Cyclonic Storm till the morning of 21st May and thereafter it will weaken into a Deep Depression over Bangladesh.

Under its influence gale wind speed reaching 70-80 kmph gusting to 90 kmph likely over interior Districts (Murshidabad & Nadia) of Gangetic West Bengal during 20th night to 21st morning.

Light to moderate rainfall at most paces with isolated heavy falls very likely over interior Districts of Gangetic West Bengal on 21st. Light to moderate rainfall at most places with heavy to very heavy falls at a few places over Malda& Dinajpur districts on 20th May and over most of the districts of Sub-Himalayan West Bengal & Sikkim on 21st May, 2020. Light to moderate rainfall at most places with heavy to very heavy falls at a few places over the western districts of Assam & Meghalaya on 21st May.

Damage Expected and Action suggested for interior districts of Gangetic West Bengal.

(i) Minor damage to power and communication lines. (ii) Major damage to Kutcha and some damage to Pucca roads. (iii) Breaking of tree branches, uprooting of small trees. (iv) Damage to banana and papaya trees. (v) People in affected areas to remain indoors.

Kindly visit www.rsmcnewdelhi.imd.gov.in and www.mausam.imd.gov.in for updates on the system.

 

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