The India Meteorological Department has issued a fresh weather bulletin covering the week from 11th to 17th August, warning of extremely heavy rainfall at isolated places over east Rajasthan on 11th August, the most severe category in the department's rainfall classification. Widespread to fairly widespread rain is expected to sweep across the Himalayan states, the northeastern region, large parts of central India and much of the peninsula through the week, accompanied by thunderstorms, lightning and gusty winds touching 60 kmph in several pockets. The Andaman and Nicobar Islands face the additional risk of a thundersquall with winds gusting to 70 kmph, while parts of West Bengal, Odisha and Jharkhand have been placed under a warning for moderate to severe lightning activity. The weather office has flagged the possibility of waterlogging, landslides and disruption to road, rail and air traffic in the worst hit regions, and has advised residents in vulnerable areas to remain alert through the coming week.