observed tornadoes

Does A Tornado Warning Mean One Is On The Ground? warning. Even when the warning is issued based on Doppler radar data, a tornado might already be on the ground. You should take cover immediately whenever a tornado warning is issued for your area and remain in your safe spot until the warning is officially

Who Is Responsible For Warning The Population Of A Tornado? The National Weather Service, the U.S. government agency that provides weather forecasts and severe weather warnings, says the average lead time for tornado warnings is about nine minutes. What are the 2 organizations that issue weather warnings? The National Weather Service (NWS) is an agency