If there is no basement, find a central spot in the house, like a bathroom or closet. Get into the bathtub and cover your head. If you're in a building with windows, stay clear. And if you live in a mobile home, get out. Find shelter elsewhere.
Tornadoes strike at any time of the day or night.
Usually tornadoes strike in the late afternoon after the weather has had time to build up, but not always. Lancaster, April 25, 1994. A killer tornado struck shortly after 9 p.m., tearing the town to pieces, destroying hundreds of homes and businesses and killing three people, injuring many more. North Texas spawns nearly 100 reported tornadoes every year.