Officials from the Indian Meteorological Department (IMD) have said that rainfall has dropped across the country after the wettest August in this monsoon in 44 years.
There is a 27.5% rain deficiency in the first three days of September.
The climatic condition is likely to remain largely dry with isolated events of heavy rain in parts of the northwest and the Indian peninsula, the scientists said.
“There is no weather system that can develop for at least a week. The monsoon will be moderate with some isolated cases of heavy rains in northwestern India and the southern peninsula, “said RK Jenamani, senior scientist at the National Weather Forecast Center (NWFC), IMD.
All other areas, except peninsular India, will be rain deficient in September. Peninsular India has registered an excess of rain of 71.5% during the first three days of September.
The western end of the monsoon trough, the low pressure line, lies south of its normal position, from Ganganagar in western Rajasthan to the Bay of Bengal, and is likely to remain that way for the next two days. The eastern end is north of your normal position. The monsoon trough is likely to shift north of its normal position from Saturday (September 5) onwards, IMD said in its bulletin on Thursday.
Vidisha in Madhya Pradesh (MP) recorded 12 centimeters (cm) of rain; while Mandi in Himachal Pradesh (HP) received 9cm and Uttarkashi in Uttarakhand recorded 8cm on Thursday.
A cyclonic circulation extends over northwestern Rajasthan. Under the influence of circulation, isolated heavy rains accompanied by thunderstorms and lightning are very likely over HP and Rajasthan on Friday; and over Uttarakhand between Friday and Monday (September 4-7)
There is also a cyclonic circulation over the east-central and southeastern Arabian Sea, off the coasts of Karnataka and northern Kerala. Under its influence, it is very likely that there will be heavy and widespread rain over mainland India for the next three to four days.
August received record rains with an excess of 26.3%, the highest in 44 years. Central and mainland India received 61.5% and 36.7% excess rainfall, respectively, in August. However, precipitation was 19.1% poor in eastern and northeastern India. While the northwestern parts of the country received 1.9% excess rain.
Monsoon rains since June 1 in the country are 8.8% more to date, the scientists added.
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