Snow Squall Warning Criteria 2024 Calendar. Snow squall warning definition (koln) in a snow squall warning, you can expect to see a quick, intense burst of moderate to heavy snow with strong, gusty winds. Winds of 35 mph or.
A snow squally warning is issued by weather experts when the conditions are right for a snow squall. The following criteria are needed for nws to issue a snow squall warning, heeren said:
