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Burn, baby, burn!

by ***Dave on Tue 6-Nov-07 2:53pm · 3 comments

in Science, Weather

Is it true that UV rays are more powerful on cloudy days?  Apparently so.  Weird.

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{ 3 comments… read them below or add one }

1 ginny Wed 7-Nov-07 6:28am at 6:28am

I absolutely have to check out that page. I’ve experienced worse all-over burns on slightly cloudy or hazy days, partly because it’s too easy to think there’s no need for shade or sunscreen.

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2 *** Dave Wed 7-Nov-07 6:47am at 6:47am

I think that’s a huge factor (”It’s cloudy / not hot / no sunscreen needed”), but according to the page, there’s an actual harmful difference in UV levels as well.

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3 Webs Wed 7-Nov-07 11:17am at 11:17am

The difference between UV-A and UV-B is important to understand. Angry Toxicologist wrote about it here… Well sorta. He more or less went into the new FDA system, but still there is some good info.

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