Before have emergency kits and survival packs prepared. These should contain medicine, cash, important documents, whistles, and extra clothes. Store food and clean water enough for three days. That’s two gallons of water per person per day. Prepare candles, flashlights and extra batteries in case the power goes out. Listen to the radio or watch TV for news updates.
During stay indoors and listen to the news for weather updates and flood warnings. If you need to evacuate, stay calm. Close the windows, turn off the main electricity switch and bring your survival kit.
After return home only after authorities have deemed the area safe. Check your surroundings for damaged electrical cables and fallen posts. Report these to the authorities.