000 FNUS74 KMRX 201213 FWSMRX SPOT FORECAST FOR IRISHMAN BRANCH NATIONAL WEATHER SERVICE MORRISTOWN TN 713 AM EST FRI NOV 20 2009 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A RIDGE OF HIGH PRESSURE WILL BUILD ACROSS THE SOUTHERN APPALACHIANS TODAY...PRODUCING DRY AND MILD CONDITIONS. HOWEVER...RAIN WILL BE BACK IN THE FORECAST...LATER SATURDAY THROUGH THE REMAINDER OF THE WEEKEND...AS A STORM SYSTEM BUILDS NORTHEAST FROM THE GULF OF MEXICO ACROSS THE TENNESSEE VALLEY. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG IN THE MORNING. MAX TEMPERATURE.....56 TO 61. MIN HUMIDITY........40 TO 45 PERCENT. WIND (20 FT)........NORTHWEST TO WEST WINDS 3 TO 6 MPH. MIXING HEIGHT.......4200 FT MSL...1400 TO 1800 FT AGL. MIXING WINDS........NORTHWEST AROUND 8 MPH. DISPERSION..........12. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. MIN TEMPERATURE.....34 TO 39. MAX HUMIDITY........90 TO 95 PERCENT. WIND (20 FT)........LIGHT WINDS. MIXING HEIGHT.......DECREASING TO NEAR SURFACE. MIXING WINDS........BECOMING LIGHT/VARIABLE. DISPERSION..........DECREASING TO NEAR ZERO. .SATURDAY... SKY/WEATHER.........PARTLY SUNNY. MAX TEMPERATURE.....55 TO 60. MIN HUMIDITY........46 TO 51 PERCENT. WIND (20 FT)........LIGHT/VARIABLE WINDS. MIXING HEIGHT.......4100 FT MSL...1300 TO 1700 FT AGL. MIXING WINDS........WEST AROUND 4 MPH. DISPERSION..........6. $$ FORECASTER...LYLE WILSON REQUESTED BY...M GILBERT TYPE OF REQUEST...PRESCRIBED .TAG 20091120.IRISH.01/MRX