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Discontinued beginning with the 2008-2009 winter storm season and replaced by the winter storm warning for heavy sleet. [24] Sleet advisory WSW – Moderate sleet accumulations of 1 ⁄ 4 to 1 inch (0.64 to 2.54 cm) are imminent or expected to occur within 12 hours. Because sleet usually occurs with other precipitation types, a Winter Weather ...
A winter storm warning (SAME code: WSW) is a hazardous weather statement issued by Weather Forecast Offices (WFO) of the National Weather Service (NWS) in the United States to alert the public that a winter storm is occurring or is about to occur in the area, usually within 36 hours of the storm's onset.
In most cases, the warning applies to winds of 40-114 MPH for at least 1 hour; or any gusts of 58-114 miles per hour on land unless a tropical storm warning, blizzard warning, winter storm warning, severe thunderstorm warning, or dust storm warning covers the phenomenon. Winds in excess of 115 MPH (100 kt) will always result in new issuance of ...
A Winter Storm Warning went into affect at 6 a.m. local time Thursday for most of northwestern Louisiana, according to the weather service, and will last through noon on Friday.
What is a winter storm warning and watch? The National Weather Service uses specific alerts to warn of oncoming bad winter weather: A Winter Storm Watch is issued by the weather service when there ...
As the winds howl, the snow flies and the temperatures drop, the National Weather Service issues various alerts for wintry weather.
A winter weather advisory (originally identified as a Traveler's Advisory until the 2002-03 climatological winter when officially renamed, and informally as such by some local television stations thereafter) is a hazardous weather statement issued by local Weather Forecast Offices (WFO) of the National Weather Service in the United States when one or more types of winter precipitation—snow ...
A winter storm warning is 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 ...