National Weather Service United States Department of Commerce

Heat Continues for the East and South-Central U.S.; Strong to Severe Storms Across the Mid-Atlantic and Northeast

The extremely dangerous heat wave continues across the East Coast and much of the South-Central U.S. today. Record high temperatures are expected for some areas especially across the Mid-Atlantic where extreme heat risk conditions reside. There is a Slight Risk (level 2 of 5) of severe thunderstorms today for the northern Mid-Atlantic into portions of southern New England. 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.