The Great Plains are the location of "Tornado Alley", a multi-state region where tornadoes are more frequent on average during the spring and summer months. See Tornado safety for more information. While it is somewhat rare for tourists to experience tornadoes, severe thunderstorms containing frequent lightning, strong winds, hail and heavy rains are common during the spring and summer months as well. When weather conditions deteriorate listen to local radio stations for information "Weather Radio Information" roadsigns are fairly common on interstates The northern areas of this region are susceptible to blizzards and bitter cold temperatures during the winter; while southern regions sometimes face severe ice events. When driving cross-country in the winter, be prepared as Interstates often close during severe winter weather events.