National Weather Service United States Department of Commerce

Tracking a Couple of Storm Systems Across the Country

Showers, along with a few strong to severe thunderstorms, are expected from the Great Lakes, New England and southward into the Ohio and Tennessee Valleys. In the wake of this system, a stronger storm is expected to track from the Pacific Northwest, Plains and through the Eastern U.S. this weekend. Strong winds, showers and a larger drop in temperatures are expected this weekend into Monday. Read More >

Estimating Hail Size

Hail Diameter Size
(Inches)
Description
1/4 Pea Size
1/2 Mothball, peanut, USB Plug
3/4 Penny Size
7/8 Nickel Size
1 Quarter Size
1 1/4 Half Dollar Size
1 1/2 Ping Pong Ball Size
1 3/4 Golf Ball Size
2 Lime or medium sized Hen Egg
2 1/2 Tennis Ball Size
2 3/4 Baseball Size
3 Large Apple
4 Softball
4 1/2 Grapefruit
> 4 1/2 Probably a record sized hailstone for Idaho or Oregon
Freeze it, Measure it, Notify the NWS.