Is humid air “heavier” than dry air? Hit a home run! Broadcasters of baseball games in mid-summer commonly suggest that the air
What are straight-line winds?
How accurate are weather forecasts? Image: NOAA In general, weather forecasts are getting better, due to improvements in computer
How can we determine how far away lightning is? Make your own lightning Because of the vast differences in the speed of light and the
Sun pillar Sun pillar at sunrise by CaptPiper The other morning, I saw a column of light above the rising sun — what was that? A
What is a landspout tornado? Landspout tornado over Hale County in Texas (NOAA). “Landspout” is slang for a tornado that, unlike
When is the severe weather season?
Is there a relationship between sun spots and climate? 12th century sunspot drawing, from NASA. Since the invention of the telescope in
Those are mammatus clouds, which are often, though not always, associated with thunderstorms. Mammatus often extend from the bottom of More
Will the 2010 volcanic eruption in Iceland lead to a change in global weather patterns? 2010 eruption of Eyjafjallajökull by Sverrir
The probability of precipitation (fondly known as PoP) has been part of weather forecasts since the late 1960s, and is the only forecas More