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An example of a Wireless Emergency Alert on an Android smartphone, indicating a Tornado Warning in the covered area. Wireless Emergency Alerts (WEA), formerly known as the Commercial Mobile Alert System (CMAS) and, prior to that, as the Personal Localized Alerting Network (PLAN), [1] is an alerting network in the United States designed to disseminate emergency alerts to cell phones using Cell ...
An example of a tornado warning polygon issued by the National Weather Service. A tornado warning (SAME code: TOR) is a public warning that is issued by weather forecasting agencies to an area in the direct path of a tornado, or a severe thunderstorm capable of producing one, and advises individuals in that area to take cover.
A few weeks after the tornado, the National Oceanic and Atmospheric Administration released details about an experimental warning system which was tested before and during the tornado. This new warning system, named Warn-on-Forecast System (WoFS), was created by the Hazardous Weather Testbed housed in the National Weather Center in Norman ...
Tornado watches are alerts to stay prepared and be ready to act, according to the NWS. They mean that tornadoes are possible and weather conditions "favor thunderstorms capable of producing ...
Warnings typically are for a much smaller area that may be impacted by a tornado identified by a forecaster on radar, a trained spotter or law enforcement who is watching the storm, according to ...
A tornado watch happens when weather conditions are prime to spawn tornadoes, and they alert people to be ready to act quickly in and around the area of a watch.