Cyclone alert: Bay of Bengal storm likely to bring heavy rain to WB

A low-pressure area over the Bay of Bengal, which is likely to intensify into a cyclonic storm, will bring heavy rainfall to the coastal and western districts of West Bengal from October 28, the weather department said on Friday.The weather system is likely to cause day temperatures to drop by two to three notches in the southern parts of the state, according to the India Meteorological Department. It said the low-pressure area over the south Bay of Bengal is likely to intensify into a cyclonic storm by October 26 and move west-northwestward toward the north Andhra Pradesh-south Odisha coast.

मौसम संबंधी चेतावनी मुख्य बिंदु बंगाल की खाड़ी के पूर्वी-मध्य और उससे सटे दक्षिण-पूर्वी हिस्से में एक निम्न दाब क्षेत्र बना हुआ है। इसके 24 तारीख तक और अधिक तीव्र होकर अवदाब में बदलने की संभावना है। इसके बाद, इसके पश्चिम-उत्तर-पश्चिम की ओर बढ़ने और 25 तारीख तक और अधिक तीव्र होकर गहन अवदाब में बदलने की संभावना है। साथ ही, 26 अक्टूबर की सुबह तक यह पश्चिम-मध्य बंगाल की खाड़ी के ऊपर एक चक्रवाती तूफान का रूप ले सकता है। इसके बाद, अगले 2 दिनों के दौरान यह और अधिक तीव्र होता जाएगा और पश्चिम-उत्तर-पश्चिम की दिशा में उत्तरी आंध्र प्रदेश तथा उससे सटे दक्षिणी ओडिशा के तटों की ओर बढ़ेगा। इसके प्रभाव से, 27 और 28 तारीख को तटीय आंध्र प्रदेश में, और 28 तारीख को ओडिशा में कहीं-कहीं अत्यधिक भारी बारिश होने की संभावना है। इसके अलावा, 27 और 29 अक्टूबर 2026 को ओडिशा में भी कुछ स्थानों पर भारी से बहुत भारी बारिश हो सकती है। (ii) दक्षिण-पूर्वी अरब सागर और उससे सटे लक्षद्वीप क्षेत्र में बने निम्न दाब क्षेत्र के प्रभाव से, 27 तारीख तक तमिलनाडु, पुडुचेरी और कराईकल में, तथा 23 से 25 अक्टूबर के बीच केरल और माहे में कहीं-कहीं भारी से बहुत भारी बारिश होने की संभावना है। इसके अलावा, आज 23 अक्टूबर 2026 को दक्षिणी तमिलनाडु में भी कहीं-कहीं अत्यधिक भारी बारिश हो सकती है। Highlights (i) A Low Pressure Area lay over eastcentral & adjoining southeast Bay of Bengal and is likely to intensify into a depression on 24th. Thereafter, it is very likely to move west-northwestwards and intensify further into a deep depression on 25th & into a cyclonic storm over the Westcentral Bay of Bengal by 26th October morning. It would then continue to intensify further and move westnorthwestwards towards North Andhra Pradesh and adjoining South Odisha coasts during subsequent 2 days. Under its influence, isolated extremely heavy rainfall likely over Coastal Andhra Pradesh on 27th & 28th and over Odisha on 28th, isolated heavy to very heavy rainfall also likely over Odisha on 27th & 29th October, 2026. (ii) Under the influence of the low-pressure area over Southeast Arabian Sea and adjoining Lakshadweep area, isolated heavy to very rainfall likely over Tamil Nadu, Puducherry & Karaikal till 27th and over Kerala & Mahe during 23rd -25th October. Isolated extremely heavy rainfall also likely over south Tamilnadu on today, the 23rd October, 2026. South Peninsular India: ❖ Fairly Widespread to Widespread rainfall likely over Tamil Nadu, Puducherry & Karaikal during 23rd-25th October; Kerala & Mahe during 23rd-27th October; Lakshadweep during 23rd-26th October; Coastal Karnataka and South Interior Karnataka during 23rd-24th October; Coastal Andhra Pradesh & Yanam during 27th-29th October. ❖ Isolated to Scattered rainfall likely over Tamil Nadu, Puducherry & Karaikal during 26th-29th October; Kerala & Mahe during 28th-29th October; Lakshadweep and Telangana during 27th-29th October; Coastal Karnataka and South Interior Karnataka during 25th-29th October; North Interior Karnataka during 23rd-24th October; Coastal Andhra Pradesh & Yanam during 23rd-26th October; Rayalaseema during 23rd-29th October. ❖ Isolated thunderstorm, lightning & gusty winds (speed reaching 40-50 kmph gusting to 60 kmph) likely over Tamil Nadu, Puducherry & Karaikal during 23rd-26th October; Coastal Andhra Pradesh & Yanam and Rayalaseema during 26th-27th October, with gusty winds (speed reaching 30-40 kmph gusting to 50 kmph) likely over Kerala & Mahe and Lakshadweep during 23rd-26th October; North Interior Karnataka on 23rd October; Coastal Andhra Pradesh & Yanam, Rayalaseema and South Interior Karnataka during 23rd-24th October; Telangana during 27th-29th October. ❖ Isolated thunderstorm & lightning likely over Coastal Karnataka during 23rd-24th October. ❖ Isolated heavy rainfall likely over Kerala & Mahe on 26th October; Lakshadweep on 25th October; Coastal Karnataka and Rayalaseema on 23rd October; South Interior Karnataka during 23rd-24th October; Coastal Andhra Pradesh & Yanam on 23rd October and on 29th October; Telangana on 28th October with isolated very heavy rainfall also likely over Tamil Nadu, Puducherry & Karaikal during 24th-26th October; Kerala & Mahe during 23rd-25th October; Lakshadweep during 23rd-24th October. ❖ Isolated extremely heavy rainfall likely over Tamil Nadu, Puducherry & Karaikal on 23rd October; Coastal Andhra Pradesh & Yanam during 27th-28th October. ❖ Strong Surface Winds likely over Coastal Andhra Pradesh & Yanam and Rayalaseema during 23rd-24th October and during 26th-27th October. East India: ❖ Fairly Widespread to Widespread rainfall likely over Andaman & Nicobar Islands during 23rd-29th October; Bihar and Sub-Himalayan West Bengal & Sikkim on 29th October; Gangetic West Bengal and Jharkhand during 28th-29th October; Odisha during 26th-29th October. ❖ Isolated to Scattered rainfall likely over Bihar and Sub-Himalayan West Bengal & Sikkim on 28th October; Gangetic West Bengal and Jharkhand on 27th October. ❖ Isolated thunderstorm, lightning & gusty winds (speed reaching 40-50 kmph gusting to 60 kmph) likely over Andaman & Nicobar Islands during 24th-27th October; Bihar during 28th-29th October, with gusty winds (speed reaching 30-40 kmph gusting to 50 kmph) likely over Andaman & Nicobar Islands on 23rd October; Sub-Himalayan West Bengal & Sikkim on 29th October; Gangetic West Bengal and Jharkhand during 28th-29th October. ❖ Isolated heavy rainfall likely over Andaman & Nicobar Islands during 23rd-27th October; Bihar and SubHimalayan West Bengal & Sikkim on 29th October; Gangetic West Bengal and Jharkhand during 28th-29th October with isolated very heavy rainfall also likely over Odisha on 29th October. ❖ Isolated extremely heavy rainfall likely over Odisha during 27th-28th October. Central India: ❖ Fairly Widespread to Widespread rainfall accompanied with thunderstorm & lightning likely over East Madhya Pradesh on 29th October. ❖ Isolated to Scattered rainfall accompanied with thunderstorm & lightning likely over Central India. ❖ Isolated heavy rainfall likely over East Madhya Pradesh during 28th-29th October; Chhattisgarh on 27th October with isolated very heavy rainfall also likely over Chhattisgarh during 28th-29th October. Northwest India: ❖ Isolated to Scattered rainfall accompanied with thunderstorm & lightning likely over northwest India. ❖ Isolated heavy rainfall likely over East Uttar Pradesh on 29th October. Northeast India: ❖ Isolated to Scattered rainfall likely over Arunachal Pradesh during 28th-29th October; Assam & Meghalaya during 27th-29th October; Nagaland, Manipur, Mizoram & Tripura during 23rd-29th October. ❖ Isolated heavy rainfall likely over Assam & Meghalaya on 29th October; Nagaland, Manipur, Mizoram & Tripura on 28th October. West India: ❖ No significant weather likely over West India during the week. Hot & Humid weather warning: ❖ Hot and humid weather conditions likely to prevail over Konkan & Goa on 23rd October. For more information, visit Us : https://t.co/BPpoTbykBF #WeatherUpdate #HeavyRainfall #ThunderstormAlert #IndiaWeather #RainForecast #WeatherSafety @moesgoi @airnewsalerts @DDNational @ndmaindia @ICRER_MHA

— India Meteorological Department (@Indiametdept) October 23, 2026

Thunderstorms with winds gusting up to 40 km per hour will prevail over all south Bengal districts from October 28, while the coastal districts of South 24 Parganas and Purba Medinipur as well as Paschim Medinipur, Jhargram, Purulia and Bankura in the west will witness heavy rain, the IMD said. It advised fisherfolk not to venture into the sea from October 26. The state capital will experience thunderstorms from October 28.