IMD issues red alert for Kolkata, Nadia, Murshidabad as storms, heavy rain, lightning expected tonight https://english.mathrubhumi.com/news/india/bengal-weather-red-alert-kolkata-2026-uav5dget?utm_source=dlvr.it&utm_medium=mastodon #BengalWeather #KolkataRain #IMDAlert #ThunderstormWarning #RedAlert