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.
National Weather Service
Elevated fire weathers are expected in southern California where dry conditions and locally gusty winds will linger into Thursday. A very cold airmass remains in place across the East Coast. Snow squalls could lead to reduced visibilities and deteriorating road conditions in the Rockies beginning Thursday night.
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
Winter Storm Warning for 12 States Amid 'Life Threatening' Cold …
5 hours ago · 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.
Winter weather: See impact of winter storm warnings, polar …
17 hours ago · Winter storm warnings issued Winter storm warnings have been issued in New York Sunday afternoon into Sunday night, according to a post on X from National Weather Service New York .
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 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.
Winter Storm Warning criteria for US revamped by National Weather Service
Nov 11, 2023 · The National Weather Service has revamped the criteria for Winter Storm Warnings across the country, releasing a new map to serve as the basis for issuing winter storm watches and warnings across the U.S. The criteria for watches and warnings abide by thresholds of snowfall amounts.