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

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000 FXUS64 KMRX 161755 AFDMRX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 155 PM EDT SUN JUN 16 2013 .AVIATION...
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CONVECTION NOW BUILDING OVER THE PLATEAU...THINK IT WILL CONTINUE TO DEVELOP INTO SHOWERS AND RELATIVELY WEAK THUNDERSTORMS...THEN MOVE OUT INTO THE VALLEY. CONFIDENCE HIGHER AT KCHA FOR GETTING HIT BY THUNDER...SO WENT WITH TEMPO FOR -TSRA THERE FOR A 3 HOUR PERIOD IN FRONT OF FORECAST. FOR OTHER TWO SITES WENT WITH VCTS. TIMING IS A REAL ISSUE INTO THE EVENING AND OVERNIGHT...DISTURBANCE PRESENTLY HEADING TOWARD AREA WILL BE PASSING BY EARLY EVENING...THEN ANOTHER WEAK ONE ROTATES THROUGH THE AREA...BUT PRECIP IS EXPECTED TO BE SO LIGHT AND POSSIBLY SCATTERED THAT I OPTED NOT TO GO WITH A TEMPO FOR KTYS AND KTRI OVERNIGHT. HOWEVER...SOUTHERN AREAS HAVE BETTER CHANCES OF PRECIPITATION ON NORTHERN END OF ELEVATED WARM ADVECTION...SO WENT WITH CATEGORICAL -RA THERE AFTER DAYBREAK. FOR NOW...HAVE NOT BROUGHT CIGS OR VSBYS DOWN VERY FAR DUE TO LIGHT NATURE OF PRECIP.
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&& .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && $$ GM

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