- Tornado Warning
- This is issued when a tornado is indicated by the WSR-88D
radar or sighted by spotters; therefore, people in the affected area should
seek safe shelter immediately. They can be issued without a Tornado Watch
being already in effect. They are usually issued for a duration of around 30
A Tornado Warning is issued by your local National Weather Service office (NWFO).
It will include where the tornado was located and what towns will be in its
path. If the thunderstorm which is causing the tornado is also producing
torrential rains, this warning may also be combined with a Flash Flood
Warning. If there is an ampersand (&) symbol at the bottom of the
warning, it indicates that the warning was issued as a result of a severe
After it has been issued, the affected NWFO will followed it up periodically
with Severe Weather Statements. These statements will contain updated
information on the tornado and they will also let the public know when
warning is no longer in effect.