Thursday, April 8: Parts of East and adjoining Central India are set to experience wet conditions over the next four days, starting Thursday, April 8. In view of the potentially harsh weather on the horizon, an orange alert has been issued across three states through this forecast period.
As per the India Meteorological Department (IMD), isolated to scattered rains, thunderstorms, lightning and gusty winds reaching up to 30-40 kmph are on the cards over East and adjoining Central India from Thursday to Monday, April 8-12.
The conditions will be caused by the combination of a trough in westerlies and a cyclonic circulation located over Jharkhand and adjoining North Chhattisgarh—both of which will be supported by the incursion of moisture from the Bay of Bengal.
In accordance with these predictions, the IMD has issued a yellow watch over Gangetic West Bengal, Odisha, Chhattisgarh and Jharkhand on Thursday, with the advisory urging residents to ‘be aware’ of the local weather situation.
The advisory levels over Gangetic West Bengal and Odisha will be upgraded to orange alerts (‘be prepared’ for rough conditions) from Friday to Sunday, while Chhattisgarh and Jharkhand will retain the yellow watches. The yellow watch will also extend to the neighbouring Central Indian states of Madhya Pradesh and Maharashtra over the weekend.
Furthermore, Chhattisgarh could very well experience isolated hailstorms on Saturday, April 10, and will therefore be under orange alert for that 24-hour period. Such hailstorms are caused when raindrops get carried upward by thunderstorm updrafts into extremely cold areas of the atmosphere, freeze up, and then begin falling as hail when the thunderstorm’s updraft can no longer support the weight of the hailstones.
These wet conditions are sure to bring some respite from the heat, especially in Madhya Pradesh and Jharkhand, where a heatwave has been forecast for Thursday, April 8.
Along with East and Central India, the two aforementioned systems are also expected to cause scattered to widespread rainfall and thunderstorms over the northeastern states of Assam, Meghalaya, Nagaland, Manipur, Mizoram and Tripura in the same forecast period. Arunachal Pradesh will be in for isolated heavy showers on Friday and Saturday, the IMD forecast adds.
Meanwhile, since the beginning of the pre-monsoon season on March 1, a majority of the Eastern and Central Indian states have received below-average rainfall compared to their usual standards.
Between March 1 and April 7, West Bengal (12.8 mm), Odisha (7.1 mm) and Chhattisgarh (4.3 mm) have all recorded ‘large deficit’ rainfall as compared to their normal precipitation figures for this period, while Jharkhand, at 9.3 mm, has registered ‘deficit’ rains. Madhya Pradesh, on the other hand, is the only state in this region to receive ‘normal’ precipitation at 7.7 mm.
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