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Category 5 Cyclone Amphan to push massive storm surge toward eastern India and Bangladesh

Category 5 Cyclone Amphan to push massive storm surge toward eastern India and Bangladesh

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After a spectacular bout of rapid intensification on Sunday, Tropical Cyclone Amphan poses a grave storm-surge threat to the highly vulnerable coastline of the upper Bay of Bengal. The Joint Typhoon Warning Center (JTWC) upgraded Amphan to the equivalent of Category 5 strength at 2 am EDT Monday, with top 1-minute sustained winds estimated at 140 knots (160 mph). On the scale used by the Indian Meteorological Department (IMD), Amphan was upgraded at 3 am EDT Monday to the highest possible level: super cyclonic storm. Only a handful of storms — about one per decade — achieve this level, which corresponds to a three-minute-averaged wind speed of 120 knots (140 mph). Hurricane ratings by the National Hurricane Center and JTWC are based on one-minute averaging, which will yield higher wind speeds for a given storm. Amphan took advantage of very favorable conditions in the southern Bay of Bengal to strengthen incredibly quickly over the weekend. Drawing on very warm sea surface…
Source: class=”bbc_link” target=”_blank” rel=”noopener noreferrer”>Category 5 Cyclone Amphan to push massive storm surge toward eastern India and Bangladesh

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