FNUS74 KMRX 181047 FWSMRX SPOT FORECAST FOR OSWALD DOME NATIONAL WEATHER SERVICE MORRISTOWN TN 647 AM EDT FRI MAR 18 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A WEAK COLD FRONT WILL SLOWLY MOVE INTO THE SOUTHERN APPALACHIAN REGION BY TONIGHT...TRIGGERING A FEW SHOWERS AND THUNDERSTORMS FOR THE WEEKEND. THIS FRONTAL BOUNDARY WILL NOT BRING MUCH CHANGE IN TEMPERATURES...WITH ABOVE NORMAL TEMPERATURES EXPECTED TO CONTINUE THROUGH NEXT WEEK. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. TEMPERATURE.........63 AT IGNITION...MAX 76. RH..................48 PERCENT AT IGNITION...MIN 34 PERCENT. WIND (20 FT)........WINDS WEST AT 5 MPH AT IGNITION...OTHERWISE WEST WINDS 7 TO 9 MPH. BOTTOM MIX HGT AGL..4000 FT AGL. TOP MIX HGT AGL.....2320 FT AGL. MIXING WINDS........WEST AROUND 12 MPH. DISPERSION..........31. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. TEMPERATURE.........MIN 51. RH..................MAX 93 PERCENT. WIND (20 FT)........WEST WINDS 5 TO 8 MPH SHIFTING TO THE NORTH AROUND 8 MPH AFTER MIDNIGHT. BOTTOM MIX HGT AGL..SURFACE-BASED INVERSION DEVELOPING SHORTLY AFTER SUNSET. MIXING WINDS........WEST AROUND 8 MPH. DISPERSION..........BECOMING 0 SHORTLY AFTER SUNSET. .SATURDAY... SKY/WEATHER.........PARTLY SUNNY. TEMPERATURE.........MAX 73. RH..................MIN 49 PERCENT. WIND (20 FT)........NORTHEAST WINDS 5 TO 10 MPH. BOTTOM MIX HGT AGL..2000 FT AGL. TOP MIX HGT AGL.....320 FT AGL. MIXING WINDS........NORTH AROUND 14 MPH. DISPERSION..........13. $$ FORECASTER...DAVID GAFFIN REQUESTED BY...YVONNE LEDFORD TYPE OF REQUEST...PRESCRIBED .TAG 20110318.OSWAL.01/MRX