Hot & humid condition and Heat wave likely over the districts of West Bengal and thunderstorm activity over some districts of West Bengal.

Mainly dry westerly to north westerly wind likely to prevail at lower levels over the region and consequently hot & humid condition likely over the districts of South Bengal on 10th May and Heat Wave condition likely over some districts of West Bengal from 10th May, 2025. Also in view of availability of moisture and heating impact, possibility of enhanced thunderstorm with heavy rainfall activity over some districts of North Bengal and isolated thunderstorm activity over some districts of

South Bengal.

Detailed warning for next five days given below.

Temperature & Humidity Forecast: Day temperature (Maximum temperature) likely to rise by 23°C during next 2 days. It is expected to be above normal by 3-5°C over South Bengal from 10th May.   

Maximum relative humidity over coastal districts likely to be 80-90% and over interior districts about 70 -80% and Minimum relative humidity is likely to be 45 -55% over coastal districts and 30-40% over interior districts.

Warning for South Bengal:

10-05-2025:

Heat Wave conditions (Maximum temperature 40°C or more and above normal by ≥ 5°C) likely to occur at one or two places over West Burdwan, Purulia, Bankura, Jhargram and West Midnapore districts.

Hot and Humid weather conditions likely to occur at one or two places over rest districts of South Bengal.

11-05-2025: 

Heat Wave conditions (Maximum temperature 40°C or more and above normal by ≥ 5°C) likely to occur at one or two places over West Burdwan, Purulia, Bankura, Jhargram and West Midnapore districts.

Hot and Humid weather conditions likely to occur at one or two places over rest districts of South Bengal.

Thunderstorm with lightning with light to moderate rainfall along with gusty wind (speed reaching 30- 40 kmph) likely to occur at one or two places over the districts of Birbhum, Murshidabad, Nadia, Purulia, East & West Burdwan.

12-05-2025: 

Heat Wave conditions (Maximum temperature 40°C or more and above normal by ≥ 5°C) likely to occur at one or two places over West Burdwan, Purulia, Bankura, Jhargram and West Midnapore districts.

Hot and Humid weather conditions likely to occur at one or two places over rest districts of South Bengal.

Thunderstorm with lightning with light to moderate rainfall along with gusty wind (speed reaching 40- 50 kmph) likely to occur at one or two places over the districts of East and West Medinipur, Hooghly, Nadia, North & South 24 Parganas.

13-05-2025:  

Heat Wave conditions (Maximum temperature 40°C or more and above normal by ≥ 5°C) likely to occur at one or two places over West Burdwan, Purulia, Bankura, Jhargram and West Midnapore districts.

Hot and Humid weather conditions likely to occur at one or two places over rest districts of South Bengal.

Thunderstorm with lightning with light to moderate rainfall along with gusty wind (speed reaching 40-50 kmph) likely to occur at one or two places over the districts of  Nadia, North & South 24 Parganas, West Medinipur, Jhargram.

14-05-2025:  

Heat Wave conditions (Maximum temperature 40°C or more and above normal by ≥ 5°C) likely to occur at one or two places over West Burdwan, Purulia, Bankura, Jhargram and West Midnapore districts.

Hot and Humid weather conditions likely to occur at one or two places over rest districts of South Bengal.

Thunderstorm with lightning with light to moderate rainfall along with gusty wind (speed reaching 40-50 kmph) likely to occur at one or two places over the districts of Murshidabad, Birbhum, Nadia, Hooghly, North & South 24 Parganas, East & West Burdwan.

Warning for North Bengal:

10-05-2025:  

Heat Wave conditions (Maximum temperature 40°C or more and above normal by ≥ 5°C) likely to occur at one or two places over Malda.

Thunderstorm with lightning with light to moderate rainfall along with gusty wind (speed reaching 30-40 kmph) likely to occur at one or two places over the districts of Darjeeling, Kalimpong, Coochbehar and Alipurduar.

11-05-2025:  

Heat Wave conditions (Maximum temperature 40°C or more and above normal by ≥ 5°C) likely to occur at one or two places over Malda and South Dinajpur.

Light to moderate rainfall with heavy rainfall (7-11 cm) likely to occur at one or two places over the districts of Jalpaiguri and Alipurduar.

Thunderstorm with lightning with light to moderate rainfall along with gusty wind (speed reaching 40-50 kmph) likely to occur at one or two places over all districts of North Bengal.

12-05-2025:

Heat Wave conditions (Maximum temperature 40°C or more and above normal by ≥ 5°C) likely to occur at one or two places over Malda district of North Bengal.

Thunderstorm with lightning with light to moderate rainfall along with gusty wind (speed reaching 50-60 kmph) likely to occur at one or two places with heavy to very heavy rainfall (720 cm) likely to occur at one or two places over the districts of Jalpaiguri and Alipurduar; with heavy rainfall (7-11 cm) likely to occur at one or two places over the districts of Darjeeling, Kalimpong and Coochbehar.

Thunderstorm with lightning with light to moderate rainfall along with gusty wind (speed reaching 40-50 kmph) likely to occur at one or two places Malda, North & South Dinajpur districts.

13-05-2025:

Heat Wave conditions (Maximum temperature 40°C or more and above normal by ≥ 5°C) likely to occur at one or two places over Malda district of North Bengal.

Thunderstorm with lightning with light to moderate rainfall along with gusty wind (speed reaching 40-50 kmph) with heavy rainfall (7-11 cm) likely to occur at one or two places over Coochbehar, Alipurduar and Jalpaiguri districts.

14-05-2025:

Thunderstorm with lightning with light to moderate rainfall along with gusty wind (speed reaching 40-50 kmph) with heavy rainfall (7-11 cm) likely to occur at one or two places over Coochbehar, Alipurduar, Jalpaiguri and thunderstorm with lightning with light to moderate rainfall along with gusty wind (speed reaching 40-50 kmph) likely to occur at one or two places over Malda districts.

Possible Impact for heat wave:

1. Heat is tolerable for general public but moderate health concern for vulnerable people e.g. infants, elderly, people with chronic diseases, people exposed to sun for prolonged period or doing heavy work.  

2. Heat cramp, heat rash likely.

Action suggested:  

1. Avoid prolonged heat exposure and outside work during 11AM to 4PM.

2. Wear light weight, light coloured, loose, cotton clothes. Cover your head: Use a cloth, hat or      umbrella.

3. Drink sufficient water- even if not thirsty to avoid dehydration.

4. Recognise the signs of heat rash or heat cramps such as weakness, dizziness, headache, nausea, sweating and seizures. If you feel dizzy or ill, consult a doctor/ hospital immediately.

Possible Impact for Thunderstorm:

1. Damage to standing vegetable crops

2. Damage to loose/unsecured structure.

Action suggested for Thunderstorm & Lightning:

1. Take shelter in safe place and don’t move in outside open area at the time

of thunderstorm/lightning.

2. Avoid taking shelter under tree/electric pole at the time of thunderstorm/lightning.

Team Maverick