USA Today
Usa Today: How Winter Storms Bring Rain, Ice and Snow
A great diagram of precipitation and what forms at different degrees. A short description on the formation of rain, snow, and sleet.
Other
Chase Day: Hail and Hail Storms
Page provides four links to hailstones, hail fall, hailstorms and punching. Also includes a picture of large hail and more links for further information.
University Corporation for Atmospheric Research
Ucar: Fact Sheet: Hail
How is hail formed? What happens as a hailstone falls through the air? Find the answers to these questions, and see a photo of crops damaged by hail.
Science Struck
Science Struck: Sleet and Hail What Is the Difference?
Explains the difference between sleet and hail, their characteristics, and how they form.
NOAA
Noaa: National Weather Service: Hail
"Imagine a baseball dropped from an airplane flying at 30,000 feet; imagine that baseball reaching speeds of 120 MPH as it falls to the ground; and imagine you're under it!" How does hail form? How big can it get? Read more here about...
USA Today
Rising Air Creates Spring, Summer Ice
How does hail form? Where are hailstorms most common? What kind of damage can hail cause? Find answers to these questions and others in this brief article.
National Earth Science Teachers Association
Windows to the Universe: Hail
Read a paragraph about the formation of hail.
University of Illinois
University of Illinois Urbana Champaign: Hail and Rain
Find out how hail is produced. You will discover the relationship between hail and thunderstorms.
Science Struck
Science Struck: Facts About Hailstorms
Discusses the cause of a hailstorm, the impact, and some famous hailstorms.
USA Today
Usa Today: Rising Air Creates Spring, Summer Ice
This article gives you basic information on hail. There are links at the bottom of the page to how hail forms, how updrafts breed hail and thunderstorms.
NOAA
Noaa: Photo Library: Hail Photo 1
The National Oceanic and Atmospheric Administration provides a photo library of severe weather formations. This photograph of a hailstone is measured on a ruler to indicate a diameter of 6 inches (approximately the size of a grapefruit).
NOAA
Noaa: Photo Library: Hail: Photo #2
The National Oceanic and Atmospheric Administration provides a photo library of severe weather formations. This photograph of a hailstone is measured on a ruler to indicate a diameter of 4 inches (approximately the size of a baseball).