I have used a little battery powered TV for when the power goes off during hurricanes. They were very inexpensive and stored it the attic until needed. I could even wire it to the truck battery and watch the progress of the storm.
Now, with the new digital only signal, you have to buy an expensive battery powered tv to be used only once every few years.
I'm back to radio only for emergency use.
Now that I think of it, I don't see those little TVs around much anymore.