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

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000 FXUS64 KMRX 300737 AFDMRX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 337 AM EDT SAT MAY 30 2015 .SHORT TERM...
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(TODAY AND TONIGHT)...A SIMILAR WEATHER PATTERN TODAY AS FRIDAY BUT WITH LESS COVERAGE OF SHOWERS AND STORMS. SURFACE HIGH AND UPPER LEVEL RIDGE ALONG THE EAST COAST STAYS STRONG OR EVEN STRENGTHENS ONE MORE DAY. EARLY THIS MORNING PATCHES OF CLOUDS WERE MOVING FROM SOUTH TO NORTH ACROSS THE REGION. A FEW PATCHES OF FOG HAD FORMED AND TEMPERATURES WERE IN THE 60S TO AROUND 70. MOST LOCATIONS MAY NOT SEE RAIN WITH JUST HIGHER ELEVATIONS OF PLATEAU AND MOUNTAINS BEST CHANCE. WEAK COLD FRONT FROM GREAT LAKES SOUTHWEST TO THE TEXAS PANHANDLE WILL ADVANCE INTO THE LOWER OHIO AND LOWER MS VALLEY BY THIS EVENING...THEN INTO THE TN VALLEY TONIGHT. AS THE FRONT APPROACHES LATE TONIGHT SKIES WILL BECOME MOSTLY CLOUDY WITH INCREASING CHANCE OF SHOWERS AND STORMS TOWARD MORNING. BOTH HIGHS AND LOWS LOOK ABOUT THE SAME AS FRIDAYS IN THE MID 80S DURING THE DAY AND LOWER TO MID 60S TONIGHT. .LONG TERM...(SUNDAY THROUGH FRIDAY)...A WEAK...BROAD FRONTAL BOUNDARY WILL SLOWLY WORK ITS WAY ACROSS THE SOUTHERN APPALACHIAN REGION SUNDAY INTO MONDAY. DEEP MOISTURE IN PLACE AND WEAK TO MODERATE INSTABILITY WILL ALLOW SCATTERED SHOWERS AND THUNDERSTORMS TO DEVELOP ACROSS THE REGION. A STRAY STORM COULD BECOME STRONG AND WITH A WEAK WIND FIELD OVER THE AREA...STORMS WILL MOVE SLOWLY AND MAY PRODUCE LOCALLY HEAVY RAIN. TUESDAY AND WEDNESDAY WILL BE BETWEEN SYSTEMS WITH THE MAIN THREAT ISOLATED TO SCATTERED DIURNAL CONVECTION. THURSDAY AND FRIDAY...AN UPPER LOW MOVING INTO THE CAROLINAS WILL ADD MOISTURE AND WEAK LIFT ACROSS THE REGION FOR AN INCREASED CHANCE OF THUNDERSTORMS.
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&& .PRELIMINARY POINT TEMPS/POPS...
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CHATTANOOGA AIRPORT, TN 86 66 81 65 / 20 20 50 30 KNOXVILLE MCGHEE TYSON AIRPORT, TN 86 65 80 64 / 10 20 50 40 OAK RIDGE, TN 87 65 80 64 / 10 20 50 30 TRI CITIES AIRPORT, TN 85 62 78 62 / 20 20 60 40
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&& .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && $$ TD/MJB

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