Winter Weather Warnings, Watches and Advisories - National Weather Service
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.
NWS Watch, Warning, Advisory Display - NOAA/NWS Storm Prediction Center
Click on the NWS Warnings and Advisories Map above for more details. Severe weather information from the Storm Prediction Center.
Watch/Warning/Advisory Definitions - National Weather Service
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
WPC Winter Weather Forecasts - Weather 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 - National Weather Service
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.
NATIONAL WEATHER SERVICE - NWS Alerts
The alerts web service displays NWS watches, warnings, advisories, and similar products. Click the main menu down-arrow for a quick guide and documentation. Select a location option to begin your search for alerts.
National Weather Service Expanded Winter Weather Terminology
Winter Storm Warning: A winter storm event (heavy sleet, heavy snow, ice storm, heavy snow and blowing snow or a combination of events) is expected to meet or exceed local winter storm warning criteria in the next 12 to 36 hours.
National Weather Service revises watch, warning and advisory …
Oct 1, 2024 · Dangerously cold weather can accompany or follow wintry precipitation, and the cold messaging can be overshadowed by the wintry precipitation. An official Service Change Notification was released on March 26, 2024 announcing our intent to roll-out these changes on the first day of October.
Winter weather warnings in 8 states as 24 inches of snow to hit
1 day ago · National Weather Service A winter storm warning indicates that heavy snow of at least 6 inches in 12 hours, or at least 8 inches in 24 hours, is expected. It can also be issued if sleet ...
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