Winter Storm Warnings are issued for a significant winter weather event including snow, ice, sleet or blowing snow or a combination of these hazards. Travel will become difficult or impossible in some situations. Delay your travel plans until conditions improve. Ice Storm Warnings are usually issued for ice accumulation of around 1/4 inch or more.

Winter Storm Warning. A Winter Storm Warning is issued when a significant combination of hazardous winter weather is occurring or imminent. Significant and hazardous winter weather is defined as a combination of: 1) 5 inches or more of snow/sleet within a 12-hour period or 7 inches or more of snow/sleet within a 24-hour period AND/OR

Click on the NWS Warnings and Advisories Map above for more details. Severe weather information from the Storm Prediction Center.

Nov 18, 2024 · NCEP monitoring of ongoing or imminent (up to six hours in the future) Hazardous Winter Weather can be found at SPC Mesoscale Discussion Link. The following charts depict the probability of freezing rain reaching or exceeding the specified amount. All viewing options are available through the links below.

Winter Storm Warning . High Wind Warning . Avalanche Warning . Flood Warning . Gale Warning . Extreme Cold Warning . Winter Weather Advisory . Cold Weather Advisory . Flood Advisory . Dense Fog Advisory . Small Craft Advisory . ... National Weather Service 1325 East West Highway Silver Spring, MD 20910 Comments? Questions?

14 hours ago · Meanwhile, a swath of the Central and Eastern U.S. was under winter weather advisory, which the NWS issues "for any amount of freezing rain, or when 2 to 4 inches of snow (alone or in combination ...

This website is designed to teach you how to stay safe before, during and after a winter storm. You will find information on winter alerts, science and hazards, snow coverage maps, and information describing the different types of winter storms.

The National Weather Service (NWS) National Winter Program is announcing new Winter Storm Warning (WSW) criteria for Heavy Snow, which will be used by all Contiguous United States Weather Forecast Offices (WFOs) beginning this winter season. The primary reason for changing the NWS snow criteria is to increase consistency among neighboring WFOs.

Jan 19, 2025 · The National Weather Service (NWS) has issued winter storm warnings for 12 states in the mid-Atlantic and Northeast, with extreme cold temperatures and up to 12 inches of snow forecast.

Click on the specific site below to view the Winter Weather Warnings / Watches / Advisories product(s):