Estimating Hail Size

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

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.