FNUS74 KMRX 071357 FWSMRX SPOT FORECAST FOR HORSEHITCH GAP NATIONAL WEATHER SERVICE MORRISTOWN TN 957 AM EDT THU APR 7 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... AN AREA OF HIGH PRESSURE CENTERED OVER THE WESTERN ATLANTIC WILL PRODUCE A SOUTHERLY WIND FLOW OVER THE SOUTHERN APPALACHIAN REGION THROUGH THE WEEKEND. AS A RESULT...UNSEASONABLY WARM CONDITIONS WILL DEVELOP AND LINGER THROUGH THE WEEKEND. A WEAK FRONTAL BOUNDARY WILL HELP TO TRIGGER SOME SCATTERED SHOWERS AND THUNDERSTORMS BY FRIDAY AND INTO THE WEEKEND. .TODAY... SKY/WEATHER.........SUNNY THEN BECOMING PARTLY SUNNY. MAX TEMPERATURE.....67 TO 72. MIN HUMIDITY........30 TO 35 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 3 TO 8 MPH. MIXING HEIGHT MSL...6900 FT MSL. BOTTOM MIX HGT AGL..4900 FT AGL. TOP MIX HGT AGL.....3900 FT AGL. MIXING WINDS........WEST AROUND 12 MPH BECOMING SOUTHWEST. DISPERSION..........54. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....45 TO 50. MAX HUMIDITY........85 TO 90 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 MPH AFTER MIDNIGHT. MIXING HEIGHT MSL...DECREASING TO NEAR SURFACE. MIXING WINDS........DECREASING TO NEAR 20 FT WINDS. DISPERSION..........DECREASING TO NEAR 1. .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS LIKELY. MAX TEMPERATURE.....70 TO 75. MIN HUMIDITY........48 TO 53 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. MIXING HEIGHT MSL...7100 FT MSL. BOTTOM MIX HGT AGL..5100 FT AGL. TOP MIX HGT AGL.....4100 FT AGL. MIXING WINDS........WEST AROUND 23 MPH. DISPERSION..........91. $$ FORECASTER...LYLE WILSON REQUESTED BY...THOMAS JENKINS TYPE OF REQUEST...PRESCRIBED .TAG 20110407.HORSE.01/MRX