Wayanad district has declared a school holiday on July 30 after IMD issued an orange alert. Wayanad district authorities have declared a holiday for all educational institutions on Thursday, July 30, following an orange alert issued by the India Meteorological Department (IMD) predicting very heavy rainfall. The decision comes after the IMD placed Wayanad among the districts under orange alert for July 30, warning of the possibility of isolated very heavy rainfall accompanied by thunderstorms. Kozhikode, Kannur also under orange alertFor July 30, the IMD has issued an orange alert for Kozhikode, Wayanad and Kannur districts, indicating a possibility of very heavy rainfall. What does IMD orange alert mean?