Winter Weather Warnings, Watches and Advisories - National …
+ Warnings: Take Action! Blizzard Warnings are issued for frequent gusts greater than or equal to 35 mph accompanied by falling and/or blowing snow, frequently reducing visibility to less than 1/4 mile for three hours or more.
Watch/Warning/Advisory Definitions - National Weather Service
Blizzard Warning. A Blizzard Warning means that the following conditions are occurring or expected within the next 12 to 18 hours. 1) Snow and/or blowing snow reducing visibility to 1/4 mile or less for 3 hours or longer AND 2) Sustained winds of 35 mph or greater or frequent gusts to 35 mph or greater.
Warning Criteria - National Weather Service
Blizzard Warning Sustained wind or frequent gusts greater than or equal to 35 mph accompanied by falling and/or blowing snow, frequently reducing visibility to less than 1/4 mile for three hours or more.
NWS Alerts
The NWS Alerts site provides watches, warnings, advisories, and similar products. Visit NWS Common Alerting Protocol for CAP v1.2 for updated documentation. It is recommended to start by selecting your location. Selecting search without a location will assume all locations.
WWA Summary for Blizzard Warning - National Weather Service
Jun 2, 2009 · The National Weather Service is your best source for complete weather forecast and weather related information on the web!
Definitions, Thresholds, Criteria for Warnings, Watches and …
Freeze Warning: low temperatures across the whole county/zone at or below 32°F. The END of the growing season occurs when most of the county/NWS zone has had it's first freeze in the autumn (1/2 or more of the zone has reached 32°F or below) which usually occurs in late Sep to late Oct in Central PA.
Watch, Warning, and Advisory Criteria at NWS Chicago
Blizzard Wind speeds of 35 mph or greater, considerable falling or blowing snow, and visibilities frequently below a quarter mile are expected to prevail for three hours or more. Winter Storm
Weather.gov Help - Hazards Map - National Weather Service
Oct 1, 2024 · The National Weather Service issues a variety of severe weather warnings, watches, advisories, and statements. These warnings, watches, etc. may be issued for a single forecast zone (usually one county or a part of a county) or for many forecast zones.
Blizzard - NOAA's National Weather Service - Glossary
Blizzard (abbrev. BLZD)- A blizzard means that the following conditions are expected to prevail for a period of 3 hours or longer: Sustained wind or frequent gusts to 35 miles an hour or greater; and; Considerable falling and/or blowing snow (i.e., reducing visibility frequently to less than ¼ mile) Blizzard Warning
National Weather Service Expanded Winter Weather Terminology
Blizzard Warning: Blizzard event is imminent or expected in the next 12 to 36 hours. Sustained wind or frequent gusts greater than or equal to 35 mph will accompany falling and/or blowing snow to frequently reduce visibility to less than 1/4 mile …