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Thunderstorm Safety and Preparedness
When thunder roars, go indoors!
Severe Weather Safety and Advice From SkyWarn UK
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Thunderstorms can pack large hail, damaging winds, flooding rains, deadly lightning, and even tornadoes. All thunderstorms are dangerous, regardless of whether or not they are severe. It is important that you know what actions to take when one threatens. |
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Be Prepared
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Are You At Risk?

UK Annual Thunder Days Map
View areas most at risk of thunderstorms
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Thunderstorm Facts
- On average the UK sees 300,000 ground strikes each year
- Between 30 and 60 people are struck by lightning in the UK each year. Of these, 3 to 6 will prove fatal.
- Lightning can travel at over 100,000 mph
- Lightning heats the air it travels through to temperatures as high as 30,000 degrees celsius - over 5 times hotter than the surface of the sun
- If you can hear thunder you are close enough to be struck by lightning
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