Kolkata is the rainiest city during the Monsoon season wherein the normal for June, July, August and September for this city are 301 mm, 396 mm, 345 mm and 318 mm of rains, respectively.
Presently, Kolkata is rain deficient by 17% wherein Howrah is rain deficit by 48% and Hooghly by 34%. In the month of September to date, Kolkata city has recorded 135 mm of rains against the normal of 318 mm.
In this Monsoon season to date, the Gangetic West Bengal is rain deficit by 27%. It will not be wrong to say that the state of West Bengal is rain deficit this season.
Earlier, the Low-Pressure Area which was over Northeast Madhya Pradesh has shifted its base to South Uttar Pradesh and adjoining North Madhya Pradesh. Also, the Axis of Monsoon Trough is running from Haryana up to Northeast India. In an association with these systems, the southeasterly humid winds from the Bay of Bengal are feeding moisture to Gangetic West Bengal.
Thus, places like Kolkata, Digha, Hooghly, 24 Parganas, Diamond Harbour, Howrah will witness moderate spells with isolated heavy showers in between.
The experts are saying that Gangetic West Bengal is likely to see good rains for the next 24 to 48 hours. These rains and thundershowers can be accompanied by lightning strikes as well.
Till now since 0830 hours, i.e. in a span of three hours, 37.2 mm of rains have been recorded at Alipore observatory.
Image Credits – Indian Express
Any information taken from here should be credited to Skymet Weather