Estimating Hail Size

Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. 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.