Buy a weather radio or have weather alerts on your cell phone by your location. We look at the weather a week ahead www.weather.com and look for severe weather forecast. We either wait until the storms pass, try to get ahead of the storms or change our route. Severe storms usually move from the southwest toward the northeast (not always but mostly). Knowing that is important. Keep an Atlas handy and know where you are (what county). The severe weather alert will be for the county and then name the cities that will be affected. If you are in a campground, find out where the best shelter is and don't try to ride out a severe thunderstorm warning or tornado warning in your RV! Know the difference between a watch and a warning. Also math helps when you are calculating miles and distance for both the tornado and your speed and direction. That's why we needed to learn the stupid math problem about the trains! LOL. During our travels we have only had to evacuate the RV 4x. Once in Florida, twice in MO and once in IL. None in TX or OK. Just be aware and have a plan.