FNUS71 KLWX 111931 FWSLWX SPOT FORECAST FOR SPOTSYLVANIA CH RX...NATIONAL PARK SERVICE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 331 PM EDT WED MAR 11 2009 FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON MARCH 12. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A COLD FRONT WILL CROSS THROUGH THE MID-ATLANTIC LATE TODAY AND STALL OUT TO OUR SOUTH TONIGHT INTO THURSDAY. HIGH PRESSURE WILL INFLUENCE THE WEATHER DURING THE DAY THURSDAY. A DRY NORTHERLY FLOW THURSDAY AFTERNOON WILL ALLOW FOR THE RELATIVE HUMIDITY TO DROP BELOW 30 PERCENT. A WAVE OF LOW PRESSURE WILL RIDE ALONG THE STALLED BOUNDARY THURSDAY NIGHT INTO FRIDAY BRINGING MORE CLOUDS ALONG WITH THE CHANCE FOR PRECIPITATION. .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). MAX TEMPERATURE.....AROUND 48. MIN HUMIDITY........27 PERCENT. WIND (20 FT)........NORTH WINDS 5 TO 9 MPH UNTIL LATE AFTERNOON...BECOMING LIGHT AND VARIABLE. CWR.................10 PERCENT. MIXING HEIGHT.......2900-4200 FT AGL. MIXING WINDS........NORTH 12 TO 20 MPH...DECREASING TO 3 TO 8 MPH IN THE AFTERNOON. TIME (EDT) 10 AM NOON 2 PM 4 PM SKY (%).........42 49 55 61 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............41 44 46 47 RH..............34 29 27 30 20 FT WIND......N 6 N 6 N 3 N 2 20 FT WIND GUST.10 10 5 5 CWR.............0 0 10 10 .THURSDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). A CHANCE OF RAIN SHOWERS EARLY IN THE EVENING. A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 31. MAX HUMIDITY........72 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS. CWR.................10 PERCENT...INCREASING TO 30 PERCENT IN THE EVENING. MIXING HEIGHT.......2300-4100 FT AGL...DECREASING TO 1900 FT AGL LATE. MIXING WINDS........EAST 2 TO 3 MPH. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........69 88 88 88 91 91 WEATHER COV..... CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....NONE RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............45 41 39 37 35 34 RH..............35 44 52 59 66 66 20 FT WIND......N 2 NE 3 NE 2 N 2 N 2 N 2 20 FT WIND GUST.10 10 5 5 5 5 CWR.............10 30 30 30 30 30 .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). A CHANCE OF SNOW SHOWERS EARLY IN THE MORNING. A CHANCE OF RAIN SHOWERS. MAX TEMPERATURE.....AROUND 43. MIN HUMIDITY........53 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING EAST 5 TO 6 MPH IN THE LATE MORNING AND AFTERNOON. CWR.................30 PERCENT. MIXING HEIGHT.......1800-3000 FT AGL. MIXING WINDS........EAST 5 TO 9 MPH. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........91 78 78 78 78 78 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............33 33 36 39 42 42 RH..............69 69 64 59 55 53 20 FT WIND......N 3 N 3 NE 4 E 5 E 5 E 4 20 FT WIND GUST.5 5 10 10 10 10 CWR.............30 30 30 30 30 30 $$ FORECASTER...LASORSA REQUESTED BY...GREGG KNEIPP TYPE OF REQUEST...PRESCRIBED .TAG 20090312.SPOTS.01/LWX