A severe thunderstorm warning (SAME code: SVR) is an alert issued when
trained storm spotters or a Doppler weather radar indicate that a thunderstorm is
Severe thunderstorm wall cloud from a distance. A thunderstorm is classified as "
severe" by the National Weather Service if it produces wind gusts in excess of ...
What is a severe thunderstorm? A thunderstorm is classified as “severe” when it
contains one or more of the following: hail one inch or greater, winds gusting in ...
Source: USA TODAY research by Chad Palmer, graphic by John Herne. Wind,
hail, tornadoes define severe thunderstorms. The National Weather Service ...
A severe thunderstorm watch is issued by the National Weather Service when the
... About 10 percent of thunderstorms are classified as severe—one that ...
are classified as severe. What are severe thunderstorms, and what causes them?
... example, a severe thunderstorm watch means that a severe thunder-.
Jun 15, 2016 ... Hampton Roads, Va. – With the threat of severe storms this week in Hampton
Roads and Northeastern North Carolina, it's never too late to ...
Structural wind damage may imply the occurrence of a severe thunderstorm. A
thunderstorm wind equal to or greater than 40 mph (35 knots or ~64 km/h) and/or
Apr 27, 2016 ... "A watch is issued when conditions are favorable, for example, either for a severe
thunderstorm or tornadoes," AccuWeather.com Senior ...
Jun 16, 2014 ... During severe weather, knowing the difference between a watch and a warning
can be a lifesaver.