Weather forecast: rain is expected to drop, surge alert issued
An abnormal rise in the water level of the Hooghly, imminent next week, may again flood the lowlands if coupled with heavy rains
The good news is that the intensity of the rain is likely to drop and the weather should improve from Sunday.
Caution – an abnormal rise in the water level of the Hooghly, imminent next week, may flood the lowlands again if combined with heavy rains.
The city was hit by another round of heavy rains on Thursday evening. A few more acute episodes are likely through Sunday, the Met office said.
The weather systems triggering the last wet spell would weaken from Sunday, a Met official said. “The rain won’t go away. But their intensity will drop from Sunday, ”he said.
But the Port Trust has issued an alert of a higher than normal increase in the water level of the Hooghly due to the high tide from June 21 to 26. The surge can cause widespread waterlogging if accompanied by heavy rains.
A Met official said there was no immediate threat of a new system that could cause another downpour next week.
The Met office recorded about 60mm of rain in Alipore between 8:30 p.m. Thursday and 8:30 a.m. Friday. The pockets of EM Bypass and Behala also received nearly 60mm of rain during this period. Cossipore and New Market are each about 50mm.
“A cyclonic circulation formed Thursday over Bangladesh and the northern Bay of Bengal. The new circulation and the existing low pressure trough extending from the Punjab to the northeast of the bay were aided by a strong incursion of humidity from the bay to trigger further downpours, ”said GK Das, director of the department. Indian Meteorological Center of Calcutta.
Cyclonic circulation over Gangetic Bengal, one of the contributors to Wednesday night’s downpour, has since shifted to Bihar and eastern Uttar Pradesh. Current circulation and trough are expected to remain active for 48 hours, Thursday through Saturday, the Met office said.