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

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000 FXUS64 KMRX 171347 AFDMRX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 947 AM EDT SUN AUG 17 2014 .DISCUSSION...
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CURRENT SURFACE ANALYSIS SHOWS A WEAK AND DIFFUSE FRONTAL BOUNDARY STRETCHING FROM NORTHWEST TO SOUTHEAST OVER CENTRAL EAST TN...WITH SATELLITE IMAGERY REVEALING HIGH CLOUDS MOVING OVER THE NORTHERN HALF OF THE FORECAST AREA FROM A LOW PRESSURE SYSTEM CENTERED NEAR ST LOUIS. THIS FRONTAL BOUNDARY IS PROGGED TO REMAIN QUASI- STATIONARY OVER THE FORECAST AREA TODAY...WITH A SOUTHWESTERLY WIND FLOW BRINGING AN INCREASE IN MOISTURE. IN FACT...MODEL SOUNDINGS REVEAL A MODERATELY UNSTABLE AIR MASS DEVELOPING THIS AFTERNOON OVER MIDDLE TN AND THE WESTERN HALF OF THE FORECAST AREA. THUS...EXPECT SCATTERED CONVECTION TO DEVELOP THIS AFTERNOON. OVERALL...CURRENT FORECAST FOR TODAY APPEARS TO BE ON TRACK...BUT WILL PLAN TO UPDATE THIS MORNING TO REMOVE ANY MORNING WORDING.
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&& .PRELIMINARY POINT TEMPS/POPS...
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CHATTANOOGA AIRPORT, TN 88 71 87 71 / 40 50 60 60 KNOXVILLE MCGHEE TYSON AIRPORT, TN 86 70 83 68 / 40 60 60 60 OAK RIDGE, TN 85 71 83 70 / 40 60 60 70 TRI CITIES AIRPORT, TN 84 67 81 65 / 40 60 70 60
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&& .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && $$ DMG

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