Its going to be a rainy week ahead for the trio states of West Bengal, Jharkhand and Bihar as East India would continue to receive Pre-Monsoon rains for the next 72 hours. These rains will be mostly light to moderate in intensity which would cover many places. While its going to rain continuously over West Bengal and Jharkhand; Bihar will receive rains for the next 24 hours only.
The cities of Kolkata, Ranchi, Midnapore, Patna, Gaya, Jamshedpur are also likely to record good amount of rains and thundershowers during the coming days.
The intensity of rains will be maximum over the state of West Bengal. Last 24 hours had also seen some intense showers such as Berhampore recorded 44 mm of rains and Purnea 20 mm.
These are typical pre-Monsoon activities, which would take place during the latter half of the day which will get over by midnight. Meteorologists explain the reason for these rains as the Confluence of the Bay currents and winds from Northern Plains. Additionally, a trough is running from Bihar to Mizoram.
According to the data with Skymet Weather, major contribution towards Pre-Monsoon activities comes from Northeast India, followed by Northern Hills, and then East India.
In the plains, East India tops the list comprising the states of Jharkhand, West Bengal and Bihar. West Bengal receives double the amount of rains as compared to Jharkhand and Bihar and also that the activity is most intense here. The rain contribution by West, Central and Northern Plains is low on the other hand.
While West Bengal receives average of 165 mm of rains, Jharkhand receives 80 mm and Bihar is at 78 mm in the Pre-Monsoon season that spans from March to May. The rains increase in the order as we proceed in the season.
This year, only the three pockets of West Bengal, Bihar and Jharkhand are running largely rain excess. As on April 17, West Bengal is 111% rain excess, Jharkhand is excess by 71% and Bihar is by 69%. Otherwise all the other Indian states are running either rain deficient or are barely nearing the normal figure. Most of this rain took place in the month of April only, wherein it started late and then finally picked up.
Image Credits –India Today
Any information taken from here should be credited to Skymet Weather
