Low Pressure area likely to form over West-Central & North Bay of Bengal around 27th May

The Southwest Monsoon has further advanced into some more parts of West Central and North Bay of Bengal, and some more parts of Mizoram, some parts of Manipur and Nagaland today, the 25th May 2025. Conditions are favorable for further advance of Southwest Monsoon into some more parts of West Central & North Bay of Bengal and some more parts of Northeastern states during next 3 days. Also, in presence of favourable wind pattern and moisture incursion from Bay of Bengal, thunderstorm with gusty winds and lightning activity likely to continue during next 4 to 5 days.   

A low-pressure area is likely to form over West-Central and adjoining North Bay of Bengal around 27^th. May. Under its influence heavy to very heavy rainfall likely to commence from 28^th. May over some

districts of South Bengal.

Detailed warning for next seven days mentioned below.

Warning for South Bengal:

25-05-2025: Thunderstorm with gusty wind (speed reaching 30-40 kmph), lightning and light to moderate rainfall likely to occur at one or two places over the districts of South Bengal.

26-05-2025: Thunderstorm with gusty wind (speed reaching 30-40 kmph), lightning and light to moderate rainfall likely to occur at one or two places over North and South 24 Parganas, Nadia, East & West Midnapore, Jhargram, Murshidabad districts of South Bengal.

27-05-2025: Thunderstorm with gusty wind (speed reaching 30-40 kmph), lightning and light to moderate rainfall likely to occur at one or two places over North and South 24 Parganas, East & West Midnapore, Jhargram, Kolkata, Howrah, Hooghly, Nadia districts of South Bengal.

28-05-2025: Thunderstorm with gusty wind (speed reaching 30-40 kmph), lightning and light to moderate rainfall likely to occur at one or two places over all the districts of South Bengal. Heavy rainfall (7-11 cm) likely to occur at one or two places over North 24 Parganas, South 24 Parganas, East

Midnapore, West Midnapore districts of South Bengal.

29-05-2025: Thunderstorm with gusty wind (speed reaching 30-40 kmph), lightning and light to moderate rainfall likely to occur at one or two places over all the districts of South Bengal. Heavy rainfall (7-11 cm) likely to occur at one or two places over North 24 Parganas, South 24 Parganas, East Midnapore, West Midnapore, Jhargram, Kolkata, Howrah, Hooghly districts of South Bengal.

30-05-2025: Heavy rainfall (7-11 cm) likely to occur at one or two places over Jhargram, West Midnapore, Purulia, Bankura, East Burdwan, Hooghly, West Burdwan, Birbhum districts of South Bengal.

31-05-2025: Heavy rainfall (7-11 cm) likely to occur at one or two places over Birbhum, Murshidabad districts of South Bengal.

Warning for North Bengal:

25-05-2025 & 26-05-2025: Thunderstorm with gusty wind (speed reaching 30-40 kmph), lightning and light to moderate rainfall likely to occur at one or two places over the districts of North Bengal.

27-05-2025 & 28-05-2025: No Warning

29-05-2025: Heavy rainfall (7-11 cm) likely to occur at one or two places over Jalpaiguri, Coochbehar, Alipurduar district of North Bengal.

30-05-2025: Heavy to very heavy rainfall (07-20 cm) rainfall likely to occur at one or two places over Jalpaiguri and Alipurduar, Coochbehar districts of North Bengal. Heavy rainfall (7-11 cm) likely to occur at one or two places over rest districts of North Bengal.

31-05-2025: Heavy to very heavy rainfall (07-20 cm) rainfall likely to occur at one or two places over Jalpaiguri and Alipurduar, Coochbehar districts of North Bengal. Heavy rainfall (7-11 cm) likely to occur at one or two places over Darjeeling and Kalimpong districts of North Bengal.

Possible Impact for Thunderstorm & Lightning and Heavy rainfall:

• Some damages of standing crops, vegetables and horticulture.  
• Possibility of lightning strike especially in open field.
• Traffic disruption in urban areas.  

Action suggested for Thunderstorm & Lightning and Heavy rainfall:

• Take shelter in safe place during thunderstorm activity.  
• Avoid taking shelter under tree/electric pole and avoid contact with water bodies.  
• Traffic may be regulated judiciously.

Fishermen warnings:

Squally weather with wind speed 35 – 45 kmph very likely over Central Bay and adjoining North

Bay of Bengal from 28^th. May to till further notice, and off West Bengal – Odisha coast from 29^th.

May to till further notice. Sea conditions are likely to be moderate to rough.

Fishermen are advised not to venture into the deep sea from 28^th. May, and along the West

Bengal – Odisha coast from 29^th. May.

Team Maverick