Definitions for "Severe Thunderstorm Warning"
Issued when severe weather has been reported or is being indicated by Doppler radar. Warnings indicate imminent danger and the appropriate action should be taken. A warning is issued when a thunderstorm may produce wind gusts over 55mph. and/or ¾" or larger hail.
Issued to warn the public, emergency management and other cooperating agencies when a severe thunderstorm is forecast to occur or is occurring. The warning will include where the storm was occurring, its direction of movement and the primary threat from the storm.
A thunderstorm with strong damaging winds and/or large damaging hail has been indicated by Doppler radar or sighted by Skywarn spotters. Go indoors and stay away from windows