A low pressure system will move across the Appalachians this evening and into the Mid-Atlantic tonight into early Monday. Isolated severe thunderstorms will be possible, with occasional damaging winds and possibly a brief/weak tornado. Meanwhile, mountain snow will continue through tonight in the northern Rockies as a low pressure system moves east across the north-Central U.S. Read More >
Fig. 11. The number of days from 1950 to 2008 with an EF2 or stronger tornado within 200 square miles of any point.
Fig. 10. The number of days from 1950 to 2008 with a tornado within 200 square miles of any point across the western Carolinas and northeast Georgia.
Tornadoes in this area are most common in the piedmont. On average, piedmont counties experience a tornado once every two or three years. Due to the rugged terrain across the mountains, tornadoes are extremely rare, generally occurring only once in a
Fig. 12. The number of days from 1950 to 2008 with an EF3 or stronger tornado within 200 square miles of any point across the western Carolinas and northeast Georgia.
Strong and violent tornadoes occur across piedmont counties about once every 10 years on average. Meanwhile, strong and violent tornadoes are almost unheard of across the mountains, with only a handful of mountain counties reporting the occurrence of an EF2 or stronger tornado since 1950. However, the April 27, 2011 EF3 tornado that devastated the Lake Burton area in Rabun County, GA serves as a reminder that mountainous areas are not immune to strong tornadoes.