WeatherKitten (WeatherCat iOS client) V1.0.0 B97 is now available in beta! See https://athena.trixology.com/index.php?topic=3714.0 for more details.
Spain experienced a giant hailstorm in January of 2000 when giant ice chunks dropped from a seemingly cloudless sky. For 10 days, the country was accosted by hail that crushed car hoods and windshields, seriously injuring anyone who got in the way. More than 15 basketball-sized hailstones were discovered in the onslaught, the largest weighting in a 2.25 pounds (1.02 kg).
I can't find the original thread of Weather Facts....