These “ground-truth” reports made by trained Spotters give credibility to the warnings issued by the NWS. Change the warning or advisory type (upgrade or downgrade based on the report).Issue a warning downstream from an existing storm.Continue a warning with more accurate information on the expected hazard(s).Issue a new warning or cancel an existing warning.The information provided by Spotters can be used by NWS meteorologists to help decide to: During life-threatening weather, these real-time reports provided by Spotters can help protect life and property. ![]() Spotters who observe significant weather relay the information to their local NWS office or appropriate local authority based on the hazard observed. SKYWARN® Weather Spotters play a crucial role in their communities and are often part of the NWS warning process. However, we are always seeking additional “eyes on the ground” especially in rural communities and open country.Īdditional details can be found on the National SKYWARN® Webpage. ![]() The NWS in Tucson, AZ has hundreds of SKYWARN® spotters in its County Warning and Forecast Area, which includes the counties of Cochise, Graham, Greenlee, Pima, SE Pinal and Santa Cruz. SKYWARN® storm spotters are volunteer citizens who form the nation's first line of defense against severe weather. Since the program’s inception, the information provided by SKYWARN® spotters, coupled with Doppler radar technology, improved satellite and other data, has enabled the NWS to issue more timely and accurate warnings for a variety of weather hazards. The NWS communicates these warnings to county Emergency Managers, who take appropriate action to help protect life and property of citizens in their jurisdiction. In the event of observed severe weather, SKYWARN® Spotters contact their local NWS office, who use the information to issue warnings for severe thunderstorms, tornadoes, flash floods, and dust storms, or verify warnings already issued for these hazards. ![]() SKYWARN® was developed in the early 1970’s as a partnership between the National Weather Service (NWS), county Emergency Managers and the general public. Please consult your device documentation for instructions.In an average year, the United States experiences more than 10,000 severe thunderstorms, 5,000 floods and more than 1,000 tornadoes. On mobile devices, you can save the bookmark as an easy-access icon similar to other apps. For example, if you select "Weather for a location," then select a location, the bookmark will return to your location on your next visit. You may bookmark the URL to return later to the same view with the selected settings. The URL will automatically update as you select the view and settings. ![]() This view is similar to a radar application on a phone that provides radar, current weather, alerts and the forecast for a location. This view combines radar station products into a single layer called a mosaic and storm based alerts. This view provides specific radar products for a selected radar station and storm based alerts. This site is organized into views that provide relevant radar products and weather information for a common task or goal.
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