FNUS74 KMRX 221232 FWSMRX SPOT FORECAST FOR IRISHMAN BRANCH BURN NATIONAL WEATHER SERVICE MORRISTOWN TN 832 AM EDT FRI MAR 22 2013 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A LOW PRESSURE SYSTEM OVER THE SOUTHERN PLAINS WILL BRING INCREASING MOISTURE TOWARDS THE SOUTHERN APPALACHIAN REGION TODAY...WITH LIGHT RAIN DEVELOPING BY TONIGHT OVER MOST OF THE REGION. A STRONGER SYSTEM WILL THEN MOVE INTO THE REGION SATURDAY NIGHT INTO SUNDAY... BRINGING A BETTER COVERAGE OF SHOWERS AND SOME THUNDERSTORMS. TEMPERATURES WILL GRADUALLY WARM BACK CLOSER TO NORMAL BY SUNDAY... BEFORE FALLING BACK BELOW NORMAL FOR MOST OF NEXT WEEK. .TODAY... SKY/WEATHER.........PARTLY SUNNY. TEMPERATURE.........35 AT IGNITION...MAX 45. RH..................38 PERCENT AT IGNITION...MIN 31 PERCENT. WIND (20 FT)........WINDS WEST AT 6 MPH AT IGNITION...OTHERWISE LIGHT WINDS BECOMING NORTHWEST 5 TO 7 MPH IN THE LATE MORNING AND AFTERNOON...THEN BECOMING LIGHT LATE IN THE AFTERNOON. MIXING HEIGHT MSL...5000 FT MSL. BOTTOM MIX HGT AGL..2500 FT AGL. TOP MIX HGT AGL.....2400 FT AGL. MIXING WINDS........WEST AROUND 12 MPH. DISPERSION..........26. TIME (EDT) NOON 2 PM 4 PM 6 PM SKY (%).........47 57 57 67 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............35 40 43 44 RH..............38 33 32 33 20 FT WIND......W 6 NW 7 NW 7 NW 5 20 FT WIND GUST.10 10 15 10 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN UNTIL EARLY MORNING...THEN CHANCE OF SNOW EARLY IN THE MORNING. TEMPERATURE.........MIN 33. RH..................MAX 85 PERCENT. WIND (20 FT)........LIGHT WINDS. MIXING HEIGHT MSL... BOTTOM MIX HGT AGL.. TOP MIX HGT AGL..... MIXING WINDS........ DISPERSION.......... .SATURDAY... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE MORNING. TEMPERATURE.........MAX 52. RH..................MIN 54 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST AROUND 5 MPH EARLY IN THE AFTERNOON...THEN BECOMING LIGHT LATE IN THE AFTERNOON. MIXING HEIGHT MSL...4200 FT MSL. BOTTOM MIX HGT AGL..1700 FT AGL. TOP MIX HGT AGL.....1600 FT AGL. MIXING WINDS........WEST AROUND 7 MPH. DISPERSION..........11. $$ FORECASTER...TERRY GETZ REQUESTED BY...MITCH KETRON TYPE OF REQUEST...PRESCRIBED .TAG 20130322.IRISH.01/MRX