FNUS74 KMRX 211320 FWSMRX SPOT FORECAST FOR TANK HOLLOW NATIONAL WEATHER SERVICE MORRISTOWN TN 920 AM EDT WED MAR 21 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... GENERAL WIND FLOW FROM THE SOUTH OR SOUTHEAST TODAY...MAY BE COMPETING WITH UPSLOPE FLOW ON WNW FACING ASPECT OF TERRAIN THIS AFTERNOON... ESPECIALLY NEAR RIDGELINE. HIGH PRESSURE WILL CONTINUE TO DOMINATE OUR WEATHER TODAY AND THURSDAY WITH ONLY ISOLATED AFTERNOON AND EVENING THUNDERSTORMS ANTICIPATED. AN UPPER LEVEL STORM SYSTEM WILL MOVE ACROSS THE AREA FRIDAY THROUGH SUNDAY PRODUCING PERIODS OF SHOWERS AND THUNDERSTORMS EACH DAY. .TODAY... SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING...THEN SCATTERED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 80. MIN HUMIDITY........43 PERCENT. WIND (20 FT)........SOUTH WINDS 5 TO 6 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. MIXING HEIGHT MSL...9400 FT MSL. BOTTOM MIX HGT AGL..7200 FT AGL. TOP MIX HGT AGL.....5800 FT AGL. MIXING WINDS........SOUTH AROUND 3 MPH. DISPERSION..........21. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. MIN TEMPERATURE.....AROUND 54. MAX HUMIDITY........92 PERCENT. WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH IN THE EVENING BECOMING LIGHT DOWNSLOPE. MIXING HEIGHT MSL... BOTTOM MIX HGT AGL.. TOP MIX HGT AGL..... MIXING WINDS........ DISPERSION.......... .THURSDAY... SKY/WEATHER.........PARTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 77. MIN HUMIDITY........43 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. MIXING HEIGHT MSL...8400 FT MSL. BOTTOM MIX HGT AGL..6200 FT AGL. TOP MIX HGT AGL.....4800 FT AGL. MIXING WINDS........SOUTH AROUND 6 MPH. DISPERSION..........28. $$ FORECASTER...GEORGE MATHEWS REQUESTED BY...M KETRON TYPE OF REQUEST...PRESCRIBED .TAG 20120321.TANKH.02/MRX