Mouse over on the product on the left side
to see the criteria for issuance
Winter Storm Warning
Criteria:
6 inches of snow or 1/2 inch of sleet in 12 hours ...or...
8 inches of snow in 24 hours
4 inches of snow or 1/2 inch of sleet in 12 hours ...or...
6 inches of snow in 24 hours
Winter Weather Advisory
Criteria:
3 inches of snow or under 1/2 inch of sleet in 12 hours ...or...
Falling and/or blowing snow reducing visibility to 1/4 mile or less, with winds of 34 mph or less ...or...
Ice accumulation under 1/4 inch ...or...
Significant black ice conditions
2 inches of snow or under 1/2 inch of sleet in 12 hours ...or...
Falling and/or blowing snow reducing visibility to 1/4 mile or less, with winds of 34 mph or less ...or...
Ice accumulation under 1/4 inch ...or...
Significant black ice conditions
Ice Storm Warning
Criteria:
Ice accumulation of 1/4 inch or greater in 24 hours
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
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