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

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000 FXUS64 KMRX 281906 AFDMRX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 306 PM EDT MON JUL 28 2014 .SHORT TERM (TONIGHT AND TUESDAY)...
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UPPER TROUGH CONTINUES TO DIG OVER THE EASTERN U.S. WITH SURFACE HIGH PRESSURE BUILDING IN. A WEAK IMPULSE TRACKING THROUGH THE UPPER FLOW WILL ROTATE ACROSS NORTHERN AREAS TONIGHT INTO TUESDAY AND COULD SEE A STRAY SHOWER DEVELOP. OTHERWISE...COOLER...DRIER AIR WILL SETTLE INTO THE REGION ALLOWING OVERNIGHT LOWS TO FALL INTO THE 50S AND LOW 60S. THEN...IT WILL BE ANOTHER COOLER JULY DAY ON TUESDAY WITH HIGHS ONLY REACHING INTO THE 70S AND LOW 80S. .LONG TERM (TUESDAY NIGHT THROUGH MONDAY)...MAIN WEATHER FEATURE FOR MOST OF THE EXTENDED WITH A FAIRLY STRONG TROUGH (FOR THIS TIME OF THE YEAR) OVER THE GREAT LAKES AND OHIO/TENNESSEE VALLEYS. A SERIES OF SHORT-WAVES WILL MOVE ACROSS THE AREA FOR THURSDAY THROUGH SATURDAY. UNSEASONABLY COOL MID-LEVEL TEMPERATURES AND RETURN OF MOISTURE AND INSOLATION WILL ALLOW FOR INCREASING INSTABILITY FOR LATE WEEK. GENERALLY DIURNAL CONVECTION ANTICIPATED THURSDAY THROUGH SATURDAY. A BREAK IN THE CONVECTION IS POSSIBLE SUNDAY...THEN RETURN MOISTURE MONDAY WILL AGAIN PRODUCE MAINLY DIURNAL CONVECTION.
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&& .PRELIMINARY POINT TEMPS/POPS...
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CHATTANOOGA AIRPORT, TN 63 83 59 85 / 10 10 0 0 KNOXVILLE MCGHEE TYSON AIRPORT, TN 62 79 57 83 / 10 10 0 10 OAK RIDGE, TN 62 79 56 83 / 10 10 10 10 TRI CITIES AIRPORT, TN 57 76 51 79 / 10 10 10 10
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&& .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && $$ MJB/DH

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