National Weather Service United States Department of Commerce

Cold Front Moving Through the Northeast U.S. Monday; Atmospheric River to Impact the Pacific Northwest Midweek

A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >

Hail smaller than 1" in diameter is considered SUB-SEVERE.  Severe hail starts at 1" and larger.

Hail Diameter (In) Description  
1/4" Pea size pea size hail
1/2" Reg.M&M candy
or Mothball size
mm candy size hail
DO NOT USE
MARBLE SIZE

(too many sizes)
variety of marbles
7/10" Dime size dime size hail
3/4" Penny size penny size hail
7/8" Nickel size nickel size hail
SEVERE SIZED HAIL
Hail Diameter (In) Description  
1" Quarter size quarter size hail
1 1/4" 1/2 Dollar size half dollar size hail
1 1/2" Ping Pong Ball size
or Walnut size
ping pong ball size hail
1 3/4" Golf Ball size golf ball size hail
2" Hen Egg size
or Lime size
hen egg size hail
2 1/2" Tennis ball size tennis ball size hail
2 3/4" Baseball size baseball size hail
4" Grapefruit size grapefruit size hail
4 1/2" Softball size softball size hail