1) Tornadoes are fast spinning tubes of air that can reach speeds of 200 mph and cause severe damage, while thunderstorms produce loud rain and wind and can spawn tornadoes. 2) It is important to take shelter during severe weather by going to the lowest level of a building and covering your head, and to prepare an emergency kit with supplies. 3) Hurricanes are large storms that form over warm ocean waters and can last for a week, causing flooding and high winds that often prove deadly, so evacuating when instructed is crucial for safety.