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Special Weather Statement

Action Recommended: Avoid the subject event as per the instructions

Issued by: Knoxville/Tri-Cities – TN, US, National Weather Service

…SEVERE THUNDERSTORMS EXPECTED LATE THIS AFTERNOON AND EVENING ACROSS THE PLATEAU, PARTS OF THE CENTRAL AND SOUTHERN TENNESSEE VALLEY, AND SOUTHWEST NORTH CAROLINA… …RAIN CHANGING TO SNOW SHOWERS ACROSS THE HIGHER ELEVATIONS TUESDAY NIGHT THROUGH WEDNESDAY NIGHT… A STRONG STORM SYSTEM WILL MOVE ACROSS THE SOUTHERN APPALACHIAN REGION TODAY WITH SOUTHERLY WINDS PULLING WARM, MOIST AND UNSTABLE AIR INTO THE TENNESSEE VALLEY. SEVERE THUNDERSTORMS WILL DEVELOP OVER MIDDLE TENNESSEE AND NORTHERN ALABAMA THIS AFTERNOON AND THEN MOVE INTO THE PLATEAU, SOUTHEAST AND CENTRAL SECTIONS OF THE TENNESSEE VALLEY, AND SOUTHWEST NORTH CAROLINA THIS EVENING. THE MAIN THREAT BEING TORNADOES, DAMAGING WINDS, AND HAIL. THERE IS A POTENTIAL OF ISOLATED STRONG TORNADOES ACROSS THE SOUTHERN PLATEAU AND SOUTHEAST TENNESSEE. BESIDES THE POTENTIAL OF SEVERE STORMS, THE STRONG LOW-LEVEL WINDS MAY PRODUCE A MOUNTAIN WAVE HIGH WIND EVENT ACROSS THE MOUNTAINS AND ADJACENT FOOTHILLS THIS AFTERNOON AND EVENING. SOUTHERLY WINDS OF 15 TO 30 MPH WITH GUSTS TO 40 MPH POSSIBLE. A COLD FRONT WILL MOVE ACROSS THE TENNESSEE VALLEY AND SOUTHERN APPALACHIANS TUESDAY WITH COLDER AIR SPILLING INTO THE REGION. FOR TUESDAY NIGHT THROUGH WEDNESDAY NIGHT, THE COLDER AIR WILL MOVE INTO THE SOUTHERN APPALACHIANS WITH THE RAIN CHANGING TO SNOW SHOWERS ACROSS THE HIGHER ELEVATIONS, GENERALLY ABOVE 2500 FEET. SNOW ACCUMULATIONS ARE POSSIBLE ACROSS THE HIGHER ELEVATIONS, SUCH AS THE SMOKY MOUNTAINS AND HIGH KNOB, VIRGINIA. ANYONE PLANNING ON VENTURING OUT ACROSS THE HIGHER TERRAIN, SUCH AS HIKERS, SHOULD PLAN FOR WINTRY CONDITIONS WITH TEMPERATURES DROPPING INTO THE UPPER TEENS AND MIDDLE 20S, WINDY CONDITIONS, AND SNOW PACKED AND ICY TRAILS. BEST TO DELAY VENTURING OUT ACROSS THE MOUNTAINOUS AREAS OF THE SOUTHERN APPALACHIANS. PLEASE STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR FURTHER DETAILS OR UPDATES.

For additional information:

https://forecast.weather.gov

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