National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Excessive Rainfall Today

Scattered severe thunderstorms capable of damaging wind gusts and some hail are expected this afternoon and evening from the Upper Ohio River Valley into the Northeast, and from the Appalachians into the Mid-Atlantic States. Excessive rainfall from heavy thunderstorms may produce areas of flash flooding from southern New Mexico into the western and northern Gulf Coast into Wednesday. 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.