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NWS Hydrometeorological Prediction Center Winter Weather Forecasts
|Winter Weather Definitions|
Winter Storm or Blizzard WATCH: A winter storm or blizzard is POSSIBLE, but the timing and area affected are still uncertain.
Winter Storm WARNING: A dangerous winter storm with snow, freezing precipitation, strong winds, and/or cold temperatures is expected or occurring.
Blizzard WARNING: A severe winter storm with winds 35 mph or greater and snow or blowing snow reducing visibility to less than ¼ mile is expected or occurring.
Ice Storm WARNING: Ice accumulations ¼ inch or more that could cause dangerous conditions and significant damage is expected or occurring.
Winter Weather ADVISORY: Three to five inches of snow, blowing snow, light freezing precipitation, strong winds, and/or cold temperatures are expected or occurring.
Freezing Rain ADVISORY: Light freezing precipitation is expected or occurring.
Wind Chill WARNING: Wind chill values -35° F or colder.
Wind Chill ADVISORY: Wind chill values between -25° and -35° F.
High Wind WARNING: Sustained winds 40 mph or greater or wind gusts 58 mph or greater.
Wind ADVISORY: Sustained winds 30 to 39 mph or wind gusts 45 to 57 mph.
Blowing Dust WARNING: Visibilities at or below 1/4 mile.
Blowing Dust ADVISORY: Visibilities between 1 and 1/4 mile.
Dense Fog ADVISORY: Visibilities at or below 1/4 mile.
Freeze WARNING: Temperatures 32 degrees or colder for several hours over a widespread area during the growing season, generally May 1 through October 15.
Frost ADVISORY: Temperatures 33 to 36 degrees, clear skies, and light winds for several hours over a widespread area during the growing season, generally May 1 through October 15.
Extreme Cold WARNING: Air temperatures -35 ° F or colder with calm or very light winds.
Hazardous Weather Outlook contains a summary of active watches, warnings, and advisories and an outlook of potential winter storms, severe thunderstorms, flooding, and other hazard weather for the next seven day.