Area Forecast Discussion
Issued by NWS Knoxville/Tri Cities, TN

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000 FXUS64 KMRX 300518 AFDMRX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 118 AM EDT MON MAR 30 2015 .AVIATION...AN UPPER JET MOVING ACROSS THE OHIO VALLEY WILL PLACE EAST TENNESSEE UNDER THE FAVORED RIGHT ENTRANCE REGION WITH GOOD DIVERGENCE ALOFT. THE DIRECT CIRCULATION AROUND THE JET WILL ENHANCE THE FRONTO-GENETIC FORCING OVER THE AREA BETWEEN 08-11Z. A BAND OF SHOWERS WILL MOVE ACROSS THE AREA WITH THE FRONTAL BAND. CHA FORECAST SOUNDING FOR 09Z SHOWS ELEVATED INSTABILITY. THE CURRENT CONVECTION OF SOUTHWEST TENNESSEE WILL LIKELY MOVE ACROSS SOUTHEAST TENNESSEE WITH THUNDER POSSIBLE AT CHA. AS SYSTEM AND ASSOCIATED FRONT MOVES EAST BY 12Z...CONVECTION WILL MOVE EAST AND SOUTH OF THE AREA WITH SKIES CLEARING FAIRLY QUICKLY AT CHA AND TYS. CLOUDS WILL LINGER LONGER AT TRI. OCCASIONAL MVFR CONDITIONS EARLY THIS MORNING AT ALL TAF SITES WILL BECOME VFR BY LATE MORNING. GUSTY SOUTHWEST WINDS AHEAD OF THE FRONT WILL BECOME WEST TO NORTHWEST AFTER FROPA BY 12Z. GUSTS UP TO 20KTS POSSIBLE. && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && $$

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