Dear Tom, How is cloud coverage determined to classify the sky as partly cloudy, mostly cloudy, or cloudy? Thanks, Jerry Reedy Geneseo Dear Jerry, The National Weather Service divides the sky into … ...

Those are weird-looking clouds. ... Sunburns are possible on cloudy days as over 90% of UV radiation can penetrate cloud cover. ... What does the sky look like before a tornado?

When we saw the pictures of the spiral in the Norwegian sky this morning, we immediately wrote it off as an impressively elaborate, funny-looking but well-executed hoax. You probably did too, even ...

In Akron, cloudy skies are in the forecast on Thursday, ... and look up at the sky. After about half an hour, when their eyes adapt to the dark, viewers should start seeing meteors.