The NWS has issued two tornado watches: 723, which is in effect until 9 a.m. EST, and 724, which is in effect until 1 p.m.

Image courtesy NSSL/NOAA. Continued vigilance and quick response to tornado watches and warnings are critical ... Tornado Alley is so active with severe storms because of its unique location.

Most warnings and watches broadcast over NOAA Weather Radio are county-based or independent city-based (parish-based in Louisiana), although in a few areas of the country the alerts are issued for ...