Synoptic conditions:
- A cyclonic circulation lies over east Bihar and adjoining West Bengal & Jharkhand and a trough runs from this cyclonic circulation to Manipur across Meghalaya in lower levels.
- An east-west trough runs from Punjab to southeast Madhya Pradesh across Haryana & west Madhya Pradesh in lower levels.
- Core of sub-tropical westerly jet runs between latitudes 23 & 27ﾟN over Indian region.
Weather Forecast:
- Under the influence of above systems, scattered to widespread rainfall/thunderstorm activity very likely over east and northeast India during next 3-4 days.
Thunderstorm and heavy rainfall warnings:
30 April:
- Thunderstorm accompanied with squall/hail very likely at isolated places over West Bengal & Sikkim
- Thunderstorm accompanied with squall very likely at isolated places over Bihar andThunderstorm with gusty winds at isolated places over Assam & Meghalaya, Nagaland, Manipur, Mizoram & Tripura, Odisha & Jharkhand.
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- Heavy rain very likely at isolated places over Assam & Meghalaya and Mizoram & Tripura and West Bengal & Sikkim.
- May:
- Thunderstorm accompanied with squall/hail very likely at isolated places over West Bengal & Sikkim, Mizoram, Tripura & Jharkhand.
- Thunderstorm accompanied with squall very likely at isolated places over Bihar & Odisha andThunderstorm with gusty winds at isolated places over Assam & Meghalaya, Nagaland, Manipur,
- Heavy rain very likely at isolated places over Assam & Meghalaya, Mizoram & Tripura, West Bengal & Sikkim and Odisha.
02 May:
- Thunderstorm accompanied with squall likely at isolated places over Gangetic West Bengal &Odisha and Thunderstorm with gusty winds at isolated places over Assam & Meghalaya, Nagaland, Manipur, Mizoram, Tripura, Sub-Himalayan West Bengal & Jhjarkhand.
- Heavy rain very likely at isolated places over Assam & Meghalaya and Odisha,
03 May:
- Thunderstorm accompanied with squall likely at isolated places over Gangetic West Bengal and Odisha.
