133 FXUS64 KMRX 291847 AFDMRX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 247 PM EDT MON JUL 29 2013 .SHORT TERM (TONIGHT AND TUESDAY)...SURFACE HIGH PRESSURE WILL CONTINUE TO DOMINATE AREA WEATHER TONIGHT. WITH LOW DEW POINTS AND FEW CLOUDS...WILL BE BE ANOTHER COOL NIGHT WITH NEAR RECORD LOWS POSSIBLE ACROSS THE AREA. LOW LEVEL MOISTURE WILL EVER SO SLOWLY BEGIN TO RETURN INTO THE REGION ON TUESDAY AS THE HIGH SHIFTS EASTWARD. AN APPROACHING SYSTEM WILL INCREASE MID TO HIGH LEVEL CLOUDS BY THE AFTERNOON BUT DRY CONDITIONS AND A BIT WARMER TEMPERATURES ARE EXPECTED FOR THE DAY. .LONG TERM (TUESDAY NIGHT THROUGH SUNDAY)...HIGH PRESSURE WILL CONTINUE TO WEAKEN AS A SHORTWAVE APPROACHES THE AREA. TUESDAY WILL REMAIN MOSTLY DRY...WITH CLOUDS AND PRECIP CHANCES INCREASING IN THE EVENING HOURS. EXPECTING THUNDERSTORMS THROUGHOUT THE DAY WEDNESDAY AND THURSDAY AS THE SHORTWAVE MOVES THROUGH. NOT LOOKING AT ANY SEVERE STORMS ON WEDNESDAY AS THE INSTABILITIES AND SHEAR ARE WEAK. THE STORMS ON THURSDAY HAVE A LITTLE MORE INSTABILITY AND DRYER AIR IN THE UPPER LEVELS. THE THREAT FOR SEVERE STORMS IS STILL LOW...BUT COULD SEE SMALL HAIL AND GUSTY WINDS. FRIDAY AND FRIDAY NIGHT LOOK TO BE DRY WITH RAIN CHANCES INCREASING THROUGH THE DAY SATURDAY DUE TO A FRONT MOVING THROUGH. THE THREAT FOR SEVERE WEATHER IS LOW AT THIS TIME...BUT WILL HAVE TO UPDATE WITH FURTHER MODEL RUNS. OTHERWISE...KEPT TEMPERATURES FAIRLY CLOSE TO GUIDANCE THROUGH THE MIDDLE OF THE WORK WEEK. TOWARDS THE WEEKEND...SKIES WILL CLEAR SOMEWHAT AHEAD OF THE FRONT...SO RAISED HIGH TEMPERATURES SEVERAL DEGREES ABOVE GUIDANCE. && .PRELIMINARY POINT TEMPS/POPS... CHATTANOOGA AIRPORT, TN 61 88 69 84 70 / 0 10 30 60 40 KNOXVILLE AIRPORT, TN 59 85 67 84 68 / 0 10 20 60 50 OAK RIDGE, TN 59 85 65 83 67 / 0 10 30 60 50 TRI CITIES AIRPORT, TN 56 82 62 79 64 / 0 10 20 60 40 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && $$ MJB/JW