-Messenger file photo
Meteorologist Robert Deroy, from the National Weather Service in Des Moines, used a slide to explain cloud formations that indicate a possible tornado. Every year, National Weather Service meteorologists teach a severe weather spotter course to train people how to safely identify and track severe weather. Spotter information is used to alert the public about the location of deadly weather.
-Messenger file photo
Meteorologist Robert Deroy, from the National Weather Service in Des Moines, used a slide to explain cloud formations that indicate a possible tornado. Every year, National Weather Service meteorologists teach a severe weather spotter course to train people how to safely identify and track severe weather. Spotter information is used to alert the public about the location of deadly weather.