FNUS71 KLWX 211024 FWSLWX SPOT FORECAST FOR SMITH RUN...NPS NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 524 AM EST MON FEB 21 2011 FORECAST IS BASED ON REQUEST TIME OF 0450 EST ON FEBRUARY 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A WARM FRONT WILL CONTINUE TO LIFT NORTH OF THE MASON-DIXON LINE THIS MORNING. A WAVE OF LOW PRESSURE WILL TRACK TOWARD THE AREA TONIGHT AND EARLY TUESDAY MORNING WHILE THE BOUNDARY PUSHES BACK SOUTH AS A COLD FRONT. CANADIAN HIGH PRESSURE BUILDS SOUTHWARD DURING THE MIDDLE PART OF THE WEEK...FOLLOWED BY LOW PRESSURE IMPACTING THE MID-ATLANTIC STATES LATE THURSDAY INTO FRIDAY. .TODAY... SKY/WEATHER.........CLOUDY (85-95 PERCENT). A CHANCE OF RAIN IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 54. MIN HUMIDITY........23 PERCENT. WIND (20 FT)........NORTHWEST WINDS 12 TO 17 MPH WITH GUSTS UP TO 35 MPH...BECOMING NORTH AROUND 6 MPH EARLY IN THE AFTERNOON...THEN BECOMING LIGHT AND VARIABLE EARLY IN THE AFTERNOON...BECOMING NORTH AROUND 5 MPH LATE. CWR.................10 PERCENT...INCREASING TO 40 PERCENT. MIXING HEIGHT.......0-1800 FT AGL...INCREASING TO 2200-3600 FT AGL IN THE LATE MORNING AND EARLY AFTERNOON...THEN DECREASING TO 1500-1600 FT AGL LATE. TRANSPORT WINDS.....WEST 7 TO 16 MPH...BECOMING NORTHEAST 12 TO 15 MPH LATE. EYE LEVEL WINDS.....NORTHWEST WINDS 12 TO 17 MPH...BECOMING NORTH AROUND 6 MPH EARLY IN THE AFTERNOON...THEN BECOMING LIGHT AND VARIABLE EARLY IN THE AFTERNOON...BECOMING NORTH AROUND 5 MPH LATE. TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........93 93 93 88 88 91 WEATHER COV..... CHANCE CHANCE CHANCE WEATHER TYPE....NONE NONE NONE RAIN RAIN RAIN TEMP............47 48 50 52 53 52 RH..............34 51 71 63 57 54 20 FT WIND......SW 10 W 13 W 14 NW 8 N 3 N 2 20 FT WIND GUST.20 30 35 15 10 15 EYE LEVEL WIND..SW 7 W 10 W 10 NW 6 N 2 N 2 EYE LEVEL WIND..20 30 30 15 10 15 CWR.............10 10 10 40 40 40 .TONIGHT... SKY/WEATHER.........CLOUDY (95-100 PERCENT). RAIN LIKELY EARLY IN THE EVENING...THEN SLEET AND SNOW LATE IN THE EVENING... BECOMING ALL SNOW OVERNIGHT. MIN TEMPERATURE.....AROUND 24. MAX HUMIDITY........88 PERCENT. WIND (20 FT)........NORTHEAST WINDS 10 TO 15 MPH. CWR.................60 PERCENT...INCREASING TO 90 PERCENT IN THE LATE EVENING AND EARLY MORNING...THEN DECREASING TO 60 PERCENT. MIXING HEIGHT.......1600-2400 FT AGL. TRANSPORT WINDS.....NORTHEAST 15 TO 18 MPH. EYE LEVEL WINDS.....NORTHEAST WINDS 10 TO 15 MPH. TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........98 98 100 100 100 100 WEATHER COV.....LIKELY LIKELY DEFNTE DEFNTE DEFNTE LIKELY WEATHER TYPE....RAIN RAIN SNOW SNOW SNOW SNOW TEMP............45 40 36 34 31 30 RH..............62 67 69 69 75 78 20 FT WIND......N 6 NE 12 E 10 E 10 NE 10 NE 10 20 FT WIND GUST.15 20 15 15 15 15 EYE LEVEL WIND..N 5 NE 9 E 7 E 7 NE 7 NE 7 EYE LEVEL WIND..15 20 15 15 15 15 CWR.............60 60 90 90 90 60 .TUESDAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). SNOW LIKELY EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 31. MIN HUMIDITY........58 PERCENT. WIND (20 FT)........NORTH WINDS 6 TO 10 MPH. CWR.................60 PERCENT...DECREASING TO 10 PERCENT. MIXING HEIGHT.......1700-3200 FT AGL. TRANSPORT WINDS.....NORTH 7 TO 14 MPH. EYE LEVEL WINDS.....NORTH WINDS 6 TO 10 MPH. TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........84 77 70 65 58 52 WEATHER COV.....LIKELY S CHC WEATHER TYPE....SNOW SNSHWR NONE NONE NONE NONE TEMP............28 26 28 30 30 30 RH..............84 81 71 63 60 58 20 FT WIND......NE 8 NE 6 N 5 N 5 N 5 N 5 20 FT WIND GUST.15 15 10 10 10 10 EYE LEVEL WIND..NE 6 NE 5 N 4 N 4 N 4 N 4 EYE LEVEL WIND..15 15 10 10 10 10 CWR.............60 20 10 10 10 10 $$ FORECASTER...KLEIN REQUESTED BY...KOENIG TYPE OF REQUEST...WILDFIRE .TAG 20110221.SMITH.01/LWX