Severe storms can cause landslides, flooding, uprooted trees, and downed utility lines. All thunderstorms produce lightning and all have the potential for danger.
Delaware has occurrences of severe thunderstorms often. Anytime you're in the vicinity of a thunderstorm, you have the risk of lightning, high winds, and flooding. Think it can't happen here? It can.
- Tune to local radio stations or local TV channels for emergency advisories and instructions.
- If water has entered a garage or basement, do not walk through it – it may contain hazardous materials.
- Do not try to drive over a flooded road. If your car stalls, abandon it immediately. Attempting to move a stalled vehicle in flood conditions can be fatal.
- If you are asked to leave your property, disconnect all electrical appliances.
- Do not walk through moving water. Six inches of moving water can make you fall. If you must walk in water, walk where the water is not moving. Use a stick to check the firmness of the ground in front of you.
- Stay clear of water that is in contact with downed power lines.
- Do not allow children to play around high water, storm drains or any flooded areas.
- If you are asked to leave your property, shut off electric circuits. If advised by your local utility, shut off gas service as well.
- Remember the 30/30 Lightning Safety Rule: Go indoors if, after seeing lightning, you cannot count to 30 before hearing thunder. Stay indoors for 30 minutes after hearing the last clap of thunder.
Familiarize yourself with the terms that are used to identify a thunderstorm hazard
- A thunderstorm watch means there is a possibility of a thunderstorm in your area.
- A thunderstorm warning means a thunderstorm is occurring or will likely occur soon. If you are advised to take shelter, do so immediately.
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