PATNA: India Meteorological Department (IMD) on Wednesday issued yellow code alert for thundershowers with lightning in Bihar over the next three days.
It also stated that onset of south-west monsoon in Bihar is likely in next two to three days.
The yellow code alert stipulates that the authorities should be prepared for extreme weather development.
Rainfall and overcast skies were witnessed at Patna and in many other parts of the state on Wednesday.
Places which received significant rainfall included Forbesganj (94mm), Patna (40mm), Valmikinagar in West Champaran (37mm), Motihari (24mm), Supaul (20mm) and Chhapra (17mm).
The IMD stated that scattered rainfall occurred in Bihar on Wednesday and its intensity will increase to fairly widespread on Thursday and Friday and furthermore on Saturday and Sunday.
The rainy and turbulent weather conditions have been attributed to a cyclonic circulation over east-central and adjoining northeast Bay of Bengal, which is likely to lead to formation of a low-pressure area over the north Bay of Bengal by Friday.
An official at Patna Meteorological Centre said the low-pressure area is likely to move in the north-west direction, which will lead to rainfall in Bihar and most eastern states.
“Sufficient moisture is available in the atmosphere.
Maximum temperature is in the range of 35 to 40 degrees C and mixing of easterly and westerly winds is happening in the state.
Under the influence of all such factors, heavy thunderstorm along with gusty winds and rainfall is expected at many places in the state,” the official said.
He added that the frequency of lightning will reduce with advancement of monsoon in the region.
With regard to monsoon, the IMD stated that it has advanced to entire central and some parts of the north Arabian Sea, Konkan, including Mumbai and most parts of interior Maharashtra, some parts of south Gujarat, Telangana and Andhra Pradesh, most parts of the central Bay of Bengal and some more parts of the north Bay of Bengal on Wednesday.