The typical U.S. thunderstorm is about 15 miles in diameter and lasts 20-30 minutes. Although thunderstorms impact relatively small areas when compared to winter storms or hurricanes, they are still dangerous. Thunderstorms can be accompanied by hail, strong winds and flash flooding; every thunderstorm is accompanied by lightning. The National Weather Service reports that to date in 2009, 23 people have been killed by lightining; 28 people were killed in 2008 – all of them were outside when they were struck.
Viewer Tip: Lightning may strike up to ten miles outside of heavy rainfall. Keep these tips in mind to stay safe.
- Look and listen for cues. If you hear thunder, you are in danger from lightning. Seeing lightning and hearing thunder very close together means that lightning is striking nearby.
- Avoid “natural lightning rods.” Lightning is attracted to metal, poles and rods. Avoid golf clubs, baseball bats, fishing poles, bicycles, tractors and camping equipment during a storm.
- Find shelter. A sturdy building is the safest place during a thunderstorm. Avoid gazebos, baseball dugouts, picnic shelters, golf carts, bleachers and other isolated objects in open spaces.
Find more lightning safety tips from National Weather Service: http://www.lightningsafety.noaa.gov/overview.htm.
Seasons: Spring, Summer, Fall, Winter
(Sources: National Weather Service. “When Lightning Roars, Go Indoors!” http://www.lightningsafety.noaa.gov/ and Coalition of Organizations for Disaster Education. “Talking about disaster: Guide for standard messages.” https://www.crossnet.org/disaster/disasterguide/)

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