But another spell of thunderstorm may head Calcutta’s way between March 20 and 22, said a Met official. The Met office recorded a maximum wind speed of 72kmph at Alipore around 9.15pm. The clouds then kept moving, causing thunderstorms in several districts,” the Met official said. A Nor’wester is a squall that originatesover the heated Chhotanagpur Plateau in the late afternoon and sweeps through parts of eastern India over the next three to five hours at a wind speed of over 45kmph. The wind speed recorded at Alipore was the maximum, said Met officials.

Source: The Telegraph March 18, 2026 02:52 UTC