Emergency Procedures: Severe Thunderstorms
DEFINITION
- Severe thunderstorm - A storm capable of producing wind gusts over 55 mph and/or hail 3/4"or larger in diameter
- Severe thunderstorm watch - Issued by the National Weather Service when severe weather conditions are possible in the area
- Severe thunderstorm warning - Issued by the National Weather Service when severe weather has been sighted in the area
GENERAL TIPS
- Find a safe shelter
- Monitor local news media and the University’s website for closings/delays
- DO NOT call 911 unless there is an emergency or you need immediate assistance
- DO NOT handle any electrical equipment
- Unplug appliances and other electrical items like computers or televisions
- Power surges can cause serious damage
- Avoid showering or general bathing
- Plumbing and bathroom fixtures can conduct electricity
- Use a corded telephone ONLY for emergencies; cordless or cell phones are safe to use
- Lightning can travel through telephone lines
- Cancel/relocate outdoor activities
- Secure all objects that could blow away or cause additional damage
- Keep all exterior doors closed and stay away from windows
- Close all windows and blinds
AVOID THE FOLLOWING:
- Natural lightning rods like tall trees in an open area
- Hilltops, open fields, the beach, or a boat on water
- Isolated sheds or other small structures in large, open areas
- Metal objects - motorcycles, golf carts, golf clubs, bicycles, etc.
IF OUTSIDE:
- Immediately find a safe indoor shelter or a hard-top automobile
- If you are unable to find a safe shelter, and are trapped outdoors, lie in a ditch or any low-lying area with few trees, or crouch near a strong building for shelter
- Rubber-soled shoes and rubber tires provide NO protection from lightning