Mouse over on the product on the left side
to see the criteria for issuance
Winter Storm Warning
Criteria:
Event total snow/sleet accumulation of 6 inches or greater
Event total snow/sleet accumulation of 4 inches or greater
Winter Weather Advisory
Criteria:
Event total snow/sleet accumulation of 3 inches or greater. ...or...
Ice accumulation under 1/4 inch ...or...
Other winter weather conditions that are expected to impact travel
Event total snow/sleet accumulation of 2 inches or greater. ...or...
Ice accumulation under 1/4 inch ...or...
Other winter weather conditions that are expected to impact travel
Snow Squall Warning
Criteria:
Snow Squall Warnings are issued for intense but limited duration periods of moderate to heavy snowfall accompanied by gusty surface winds and resulting in greatly reduced visibilities and whiteout conditions.
Ice Storm Warning
Criteria:
Event total ice accumulation of 1/4 inch or greater
Blizzard Warning
Criteria:
Sustained winds or frequent gusts to 35 mph or greater ...and...
falling and/or blowing snow ...and...
visibility reduced to 1/4 mile or less for at least 3 hours
Wind Chill Watch/Warning
Criteria:
Wind Chill of -25ºF or less...
...with wind of 6 MPH or greater
Wind Chill Advisory
Criteria:
Wind Chill of -10ºF to -24ºF...
...with wind of 6 MPH or greater