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Low-Pressure Area (Remnant Of Cyclone Remal) Over Assam, Rainy Week For Northeast

May 29, 2024 3:12 PM |

The well-marked low-pressure area, remnant of cyclone ‘Remal’ has further weakened. Now, it lies as the low-pressure area over Upper Assam and the neighbourhood. The cyclonic circulation is extending up to mid-tropospheric levels. It is likely to become less marked over the same region but the cyclonic circulation will persist. Accordingly, weather activity will continue, albeit with lesser intensity than earlier spells, for nearly one week or even more.

The remnant of the severe cyclonic storm ‘Remal’ had earlier crossed the Meghalaya and Assam region as a depression. Inclement weather conditions prevailed over most parts of northeast India. Mizoram faced the fury of very heavy rains leading to landslides and causing huge loss of life and property. Heavy rains continue, though the intensity and spread have reduced. Three-digit rainfall in 24 hours were recorded in the past 24 hours: Cheerapunji-182mm, Silchar-146mm, Halflong-148mm, Golpara-94mm, Imphal-89mm. Widespread and moderate rainfall will continue for the next one week or so. Isolated heavy rainfall, more so for Assam & Meghalaya, cannot be ruled out during this period. Lower Assam remains extremely vulnerable for such conditions.

The passage of cyclone Remal across Bangladesh has set the pace of monsoon airmass over the Bay of Bengal. Southwesterly winds with adequate force, sweeping across the Bay of Bengal are entering the Assam Valley and the mountains. This feature is likely to bring the monsoon over northeast India. Monsoon could reach northeastern parts, ahead of its schedule and possibly, simultaneous with its landing over mainland Kerala. The rainy spell will reduce the margin of deficit pre-monsoon rainfall, observed so far, over almost all the northeastern states.

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