[OrangeDaisy]

Lots & lots of places don't have tornado warning sirens. Do they have them in Virginia & Maryland? What about small towns like Ashland? Memphis has them, but not really anywhere else in Tennessee.

I still think some kind of immediate radio communication on all channels would work.

[CharacterCounts]

Tornao warnings, radio, whatever, so long as all traffic is frozen and citenzens are on the lookout.