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

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000 FXUS64 KMRX 310705 AFDMRX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 305 AM EDT FRI JUL 31 2015 .SHORT TERM (TODAY AND TONIGHT)... A DRIER AIR MASS HAS BEEN BUILDING INTO THE AREA BEHIND THE PASSAGE OF A COLD/DRY FRONT YESTERDAY...AND WILL CONTINUE TO DO SO AS THE E- W HIGH PRESSURE RIDGE ACROSS KY THIS MORNING SAGS SOUTHWARD. HUMIDITY LEVELS WILL BE MUCH MORE COMFORTABLE WITH DEWPOINTS IN THE LOWER 60S FOR MOST OF THE AREA...AND TEMPS WILL BE 1-3 DEGREES COOLER THAN THE PAST FEW DAYS. WITH CLEAR SKIES AND THE RIDGE AXIS OVERHEAD TONIGHT...LOW TEMPS WILL BE BELOW NORMAL AND DOWNRIGHT COOL IN SPOTS...IN THE UPPER 50S TO MID 60S. .LONG TERM (TOMORROW THROUGH FRIDAY)... DRY WEATHER WILL CONTINUE AS WE START OFF THE WEEKEND. VERY LITTLE ATMOSPHERIC MOISTURE WILL BE PRESENT ACROSS THE AREA FOR MUCH OF THE LONG TERM FORECAST LEADING TO MOSTLY CLEAR SKIES THROUGH THE WEEKEND AND INTO NEXT WEEK. TEMPS WILL STAY A BIT ABOVE CLIMATOLOGICAL NORMAL VALUES AS RIDGING REMAINS RELATIVELY SUPPRESSED AND STAYS OFF TO OUR WEST. HOTTEST DAY WILL LIKELY BE TUESDAY AS THE RIDGE MOVES CLOSER TO US BEFORE INCREASED CLOUD COVERAGE AND RAIN CHANCES MOVE IN. SHORTWAVE ENERGY MOVES ACROSS THE AREA WEDNESDAY INTO THURSDAY. RAIN CHANCES INCREASE ON WEDNESDAY, BUT MODELS START TO DIVERGE WITH WHAT TO DO AS FAR AS ENDING TIME FOR PRECIPITATION. WILL CONTINUE MENTION OF SLIGHT CHANCES OF SHOWERS AND THUNDERSTORMS FOR THE SECOND HALF OF THE WEEK AND WAIT FOR BETTER MODEL AGREEMENT BEFORE HIGHLIGHTING BEST TIME FRAME FOR PRECIPITATION. && .PRELIMINARY POINT TEMPS/POPS... CHATTANOOGA AIRPORT, TN 91 64 93 66 / 0 0 0 0 KNOXVILLE MCGHEE TYSON AIRPORT, TN 90 64 89 63 / 0 0 0 0 OAK RIDGE, TN 90 63 90 63 / 0 0 0 0 TRI CITIES AIRPORT, TN 89 58 86 59 / 0 0 0 10 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && $$ DGS/ABM

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