FNUS71 KLWX 241245 FWSLWX SPOT FORECAST FOR SWIFT RUN RX...NATIONAL PARK SERVICE, SHENANDOAH NP NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 845 AM EDT FRI APR 24 2009 FORECAST IS BASED ON IGNITION TIME OF 1200 EDT ON APRIL 24. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE WILL BRING DRY CONDITIONS TODAY ALONG WITH SOME SUNSHINE. THE RELATIVE HUMIDITY SHOULD REMAIN ABOVE 30 PERCENT THROUGH THE AFTERNOON. SOUTHERLY WINDS WILL GUST AROUND 15 MPH DURING THE AFTERNOON. HIGH PRESSURE WILL REMAIN IN CONTROL FOR TONIGHT AND SATURDAY BRINGING MORE DRY CONDITIONS. SOUTHWEST WINDS SATURDAY AFTERNOON WILL GUST AROUND 20 MPH. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). MAX TEMPERATURE.....AROUND 71. MIN HUMIDITY........37 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING SOUTH 5 TO 10 MPH LATE IN THE MORNING. CWR.................10 PERCENT. MIXING HEIGHT.......100-1700 FT AGL...INCREASING TO 4500-5600 FT AGL. MIXING WINDS........SOUTHWEST AROUND 2 MPH...BECOMING SOUTH 2 TO 9 MPH IN THE MORNING...THEN BECOMING SOUTHWEST 12 TO 18 MPH LATE IN THE MORNING. TIME (EDT) NOON 2 PM 4 PM SKY (%).........43 45 46 WEATHER COV..... WEATHER TYPE....NONE NONE NONE TEMP............63 68 70 RH..............38 40 42 20 FT WIND......S 5 S 7 S 8 20 FT WIND GUST.10 15 15 CWR.............10 10 10 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). MIN TEMPERATURE.....AROUND 55. MAX HUMIDITY........75 PERCENT. WIND (20 FT)........SOUTH WINDS 5 TO 9 MPH EARLY IN THE EVENING...BECOMING LIGHT AND VARIABLE. CWR.................10 PERCENT. MIXING HEIGHT.......4300 FT AGL...DECREASING TO 200-400 FT AGL. MIXING WINDS........SOUTHWEST 9 TO 18 MPH...BECOMING WEST 5 TO 8 MPH AFTER MIDNIGHT. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........46 45 39 31 25 24 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............69 65 62 60 59 57 RH..............45 48 58 64 69 75 20 FT WIND......S 7 S 5 S 3 S 2 SW 1 SW 0 20 FT WIND GUST.15 10 5 5 CWR.............10 10 10 10 10 10 .SATURDAY... SKY/WEATHER.........SUNNY (20-30 PERCENT)...THEN BECOMING PARTLY SUNNY (50-60 PERCENT). MAX TEMPERATURE.....AROUND 80. MIN HUMIDITY........39 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST 6 TO 11 MPH WITH GUSTS UP TO 20 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. CWR.................10 PERCENT...INCREASING TO 20 PERCENT. MIXING HEIGHT.......0-300 FT AGL...INCREASING TO 2400 FT AGL LATE IN THE MORNING...THEN INCREASING TO 5200 FT AGL LATE IN THE MORNING...INCREASING TO 8200 FT AGL LATE IN THE MORNING...INCREASING TO 10800 FT AGL...INCREASING TO 13000-14900 FT AGL IN THE AFTERNOON...DECREASING TO 12500 FT AGL. MIXING WINDS........WEST 2 TO 9 MPH...INCREASING TO 15 TO 21 MPH IN THE LATE MORNING AND AFTERNOON. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........24 24 24 24 54 54 WEATHER COV..... S CHC S CHC WEATHER TYPE....NONE NONE NONE NONE RNSHWR RNSHWR TEMP............57 61 69 74 78 79 RH..............75 67 57 48 40 39 20 FT WIND......SW 2 SW 5 SW 6 SW 8 SW 8 SW 9 20 FT WIND GUST.5 10 15 15 15 20 CWR.............10 10 10 10 20 20 $$ FORECASTER...LASORSA REQUESTED BY...MISSY FORDER TYPE OF REQUEST...PRESCRIBED .TAG 20090424.SWIFT.01/LWX