Capital city Kolkata was lashed by moderate showers in the past 24hr. The airport observatory at Dumdum recorded 26mm and the record station at Alipore measured 33mm of rainfall. More showers are listed for the city and suburbs in the week ahead, including on Independence Day.
After the onset of 'break monsoon' conditions, as is the norm, the city and neighbourhood have received regular showers, albeit of varying intensity, for the last 7 days. Since the conditions are likely to continue, more showers are expected.
During the 'break' conditions, invariably, feeble trough extends from North Bihar to head Bay of Bengal. Along with foothills and plains of Bihar, Sub Himalayan West Bengal receive hefty showers for this duration. Gangetic West Bengal, including Kolkata becomes favourable for moderate and light showers.
A monsoon system as cyclonic circulation is likely to form over extreme north Bay of Bengal and adjoining coastal parts of West Bengal and Odisha on 16th August 2023. This will remain over and around Gangetic West Bengal for the subsequent 72hours. Feeble low pressure area may also form on 16-17August. This low pressure will move over parts of Jharkhand, Bihar, North Chhattisgarh, East Uttar Pradesh and East Madhya Pradesh between 18th and 21st August. The weather system and its influences will result moderate and light showers for Kolkata and suburbs during this period.
Between 01st and 11th August, Alipore oservatory has recorded 194.8mm and Dumdum measured 158mm of rainfall. The capital city has a monthly average of 372.1mm for August. This wet spell may add about 100mm rainfall over a period of one week and take the cumulative figure close to the normal.
