If you're on the move have a map with you so you'll know the counties you're in. The radio will use counties for their reference points and if you are out of your area you'll be clueless. These buggers normally move in a NE direction but they can pop up behind you so just because the storm is to your NE that doensn't mean you're totally safe.
If it's bad you need a basement and most of us midwesterners are pretty good about letting strangers come on downstairs to listen to the portable radio tell us when we can come up.
I've been in the basement countless times for tornados but we've always been personally lucky, I was in Florida for hurricane Charlie and the thing that drove me crazy about that was the wait... a tornado you're lucky if you get 5 minutes warning... a hurrican comes at you for days.... good luck to all missing the storms this year (so we can get our baseball in