Mouse over on the product on the left side
to see the criteria for issuance
Winter Storm Warning
Criteria:
6 inches of snow and sleet in 12 hours ...or...
8 inches of snow and sleet in 24 hours
4 inches of snow and sleet in 12 hours ...or...
6 inches of snow and sleet in 24 hours
Winter Weather Advisory
Criteria:
3 inches of snow and 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 and 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
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:
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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