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The US National Weather Service developed an organized storm spotter training system starting in the 1970's. Meteorologist Alan Moller played a significant role in the development of the effort. He believed that storm spotters are a vital part of the Integrated Warning System since they provide "ground truth verification" for forecasters.
A storm spotter is a specific type of weather spotter. In the U.S., these volunteers are usually trained by the National Weather Service or local Skywarn group, and are given a phone number, internet outlet, or amateur radio frequency to report to if a severe weather event, such as a tornado, severe thunderstorm, or flash flood occurs where the ...
Where severe storms are possible, storm spotting groups such as Skywarn in the United States coordinate amateur radio operators and localized spotters to keep track of severe thunderstorms and tornadoes. Reports from spotters and chasers are given to the National Weather Service so that they have ground truth information to warn the general ...
The National Weather Service offers storm spotting training session to the public throughout Central Indiana. Indiana tornado season is approaching. Here's how to help spot severe weather
Storm spotting – The observation of severe weather by individuals trained in weather and reporting. Spotters can be stationary or mobile. Storm Data (SD) – A National Climatic Data Center (NCDC) publication beginning in 1959 detailing quality controlled tornado and other severe weather summaries as the official NOAA record of such events.
Storm chasing usually involves getting close enough to a tornado or severe storm to record its size and wind speed with the appropriate equipment. Many storm chasers have a background in meteorology.
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 severe thunderstorm warning (SAME code: SVR) is a type of public warning for severe weather that is issued by weather forecasting agencies worldwide when one or more severe thunderstorms have been detected by Doppler weather radar, observed by weather spotters, or reported by an emergency management agency, law enforcement, or the general ...