Heavy and widespread rains are likely in mainland India for the next three days, according to the Sunday morning bulletin from the India Meteorological Department (IMD).
The monsoon trough is north of its normal position, from Ganganagar of Rajasthan to the Bay of Bengal. A low pressure zone extends over the southeast and borders the east-central Arabian Sea. It is likely to move slightly to the north over the next 48 hours and weaken thereafter.
A cyclonic circulation also extends over the southeast and contiguous to the east-central Arabian Sea at the level of the lower and middle troposphere and an east-west shear zone that determines a change in wind direction and speed and crosses peninsular India .
Also read: Warmer Arabian Sea Caused Heavy Rains in August
Under its influence, widespread and isolated heavy rains and thunderstorms are likely to occur over mainland India over the next two to three days.
Although widespread and isolated heavy rains accompanied by thunderstorms and lightning are also expected over Odisha and Chhattisgarh for the next three to four days.
The monsoon rain since June 1 over the country is in excess of 8%.
Precipitation has been 17% and 21% excess over central and peninsular India, respectively.
There has been 0% excess and 9% deficient rainfall in East and Northeast India; and parts of the northwest of the country, respectively.
The IMD in its two-week forecast issued on Friday had said it is likely that it will rain below normal in most of the country, except in the northeastern states, Maharashtra, Goa, Karnataka and Kerala, between the 10 and the 16 of September.
Monsoon is likely to begin withdrawing from western Rajasthan during the same week.
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