Depression over northwest Bay of Bengal off West Bengal – Bangladesh coasts

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Depress over Bangladesh
Depress over Bangladesh
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Azadi Ka Amrit Mahoutsav

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Depression over northwest Bay of Bengal off West Bengal – Bangladesh coasts

It is very likely to move north-northeastwards and cross West Bengal & adjoining Bangladesh coasts between Sagar Islands (West Bengal) & Khepupara (Bangladesh) over Sundarbans around noon of today

Extremely heavy falls (more than 200 mm / Day) at isolated places very likely over Tripura, heavy to very heavy falls at a few places  Nagaland, Manipur,  Mizoram, south Assam & Meghalaya

Sea condition will be rough to very rough; Fishermen are advised not to venture into North Bay of Bengal and along & off West Bengal-Bangladesh coasts

By PIB Delhi

According to the Regional Specialized Meteorological Centre/Cyclone Warning Centre of the India Meteorological Department (IMD):

The Depression over northwest Bay of Bengal off Odisha coast moved north-northeastwards with a speed of 24 kmph during past 6 hours and lay centred at 0830 hrs IST of today, the 23rd October, 2020 near latitude 21.3°N and longitude 88.4°E over Northwest Bay of Bengal off West Bengal – Bangladesh coasts, about 50 km southeast of Sagar Islands (West Bengal) and 200 km west-southwest of Khepupara (Bangladesh).

It is very likely to move north-northeastwards and cross West Bengal & adjoining Bangladesh coasts between Sagar Islands (West Bengal) & Khepupara (Bangladesh) over Sundarbans around noon of today, the 23rd October.

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
23.10.20/083021.3/88.445-55 gusting to 65Depression
23.10.20/173022.3/89.135-45 gusting to 55Depression
24.10.20/053023.5/89.825-35 gusting to 45Well Marked Low

Warnings:

(i) Rainfall warning (for north-eastern States)

  • 23rd October 2020: Light to moderate rainfall at most places with heavy to very heavy falls (115.6-204.4 mm/day) at a few places and extremely heavy falls (>200 mm / Day) at isolated places very likely over Tripura, heavy to very heavy falls at a few places  Nagaland, Manipur,  Mizoram, south Assam & Meghalaya. Light to moderate rainfall at many places with heavy rainfall at isolated places likely over remaining districts of Assam.
  • 24th October 2020: Light to moderate rainfall at many placeswith Isolated heavy falls likely over Assam , Meghalaya, Nagaland, Manipur, Mizoram & Tripura

(ii) Wind warning

  • Squally winds speed reaching 45-55 kmph gusting to 65 kmph would occur over North Bay of Bengal during next 24 hours.
  • Squally wind speed reaching 40-50 kmph gusting to 60 Kmph also very likely off north Odisha coast during next 12 hours and 45-55 kmph gusting to 65 kmph along & off West Bengal-Bangladesh coasts during next 24 hours.

 (iii) Sea condition

  • Sea condition will be rough to very rough over North Bay of Bengal and adjoining Central Bay of Bengal during next 24 hours.
  • Sea condition will be rough to very rough along & off north Odisha-West Bengal-Bangladesh coasts during next 24 hours.

 (iv)  Fishermen Warning

Fishermen are advised not to venture into North Bay of Bengal and along & off West Bengal-Bangladesh coasts during next 24 hours and off Odisha coast during next 12 hours.

(v) Impact expected over south Assam, east Meghalaya, Nagaland, Manipur, Mizoram & Tripura on 23rd October, 2020:

  • Localized Flooding of roads, water logging in low lying areas and closure of underpasses mainly in urban areas of the above region.
  • Possibility of Landslides in hilly areas of Northeastern states.
  • Occasional reduction in visibility due to heavy rainfall.
  • Disruption of traffic in cities.
  • Minor damage to kutcha roads.
  • Possibilities of damage to vulnerable structure.
  • Damage to horticulture and standing crops in some areas due to inundation and squally winds.
  • It may lead to riverine flooding in some river catchments (for riverine flooding. Kindly visit website of Central Water Commission (http://www.cwc.gov.in/))

-For specific district wise impact kindly visit IMD’s sate level meteorological center websites (https://mausam.imd.gov.in/imd_latest/contents/departmentalweb.php) and national website (https://mausam.imd.gov.in/).

(vi) Action Suggested:

  • Attempt to protect Wildlife, Flora, Fauna, Sanctuaries in Sundarbans.
  • Check for traffic congestion on your route before leaving for your destination.
  • Follow any traffic advisories that are issued in this regard.
  • Avoid going to areas that face water logging problem and squally winds.
  • Avoid staying in vulnerable structure
http://static.pib.gov.in/WriteReadData/userfiles/image/image001BUF0.jpg
http://static.pib.gov.in/WriteReadData/userfiles/image/Untitled40R2.jpg

Forecast:

http://static.pib.gov.in/WriteReadData/userfiles/image/image00202W3.jpg
http://static.pib.gov.in/WriteReadData/userfiles/image/image003V1KL.jpg

Kindly download MAUSAM APP for location specific forecast & warning, MEGHDOOT APP for Agromet advisory

and DAMINI APP for Lightning Warning & visit state MC/RMC website for district wise warning.

About Post Author

Editor Desk

Antara Tripathy M.Sc., B.Ed. by qualification and bring 15 years of media reporting experience.. Coverred many illustarted events like, G20, ICC,MCCI,British High Commission, Bangladesh etc. She took over from the founder Editor of IBG NEWS Suman Munshi (15/Mar/2012- 09/Aug/2018 and October 2020 to 13 June 2023).
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