FNUS71 KLWX 051000 FWSLWX SPOT FORECAST FOR CATBACK...USFS NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 600 AM EDT SUN APR 5 2009 FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON APRIL 05. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE ACROSS THE AREA TODAY WILL PRODUCE SUNNY AND MILD CONDITIONS. THE HIGH WILL MOVE OFFSHORE TONIGHT...AS LOW PRESSURE TRAVELS UP THE OHIO RIVER VALLEY. THE LOW WILL SWING A COLD FRONT ACROSS THE REGION MONDAY. SHOWERS AND A FEW THUNDERSTORMS CAN BE EXPECTED ALONG AND AHEAD OF THE COLD FRONT LATE TONIGHT INTO MONDAY. SCATTERED SHOWERS WILL LINGER BEHIND THE FRONT MONDAY EVENING AS NORTHWEST WINDS PICK UP. SHOWERS WILL END EAST OF THE MOUNTAINS BY MIDNIGHT...BUT WILL CONTINUE IN THE MOUNTAINS THROUGH EARLY TUESDAY. THE RAIN SHOWERS MAY MIX WITH A FEW SNOW FLAKES IN THE MOUNTAINS LATE MONDAY NIGHT AND EARLY TUESDAY. CANADIAN HIGH PRESSURE BUILDS ACROSS THE CENTER OF THE COUNTRY FOR THE MIDDLE OF NEXT WEEK. THE NORTHWEST FLOW THAT RESULTS WILL KEEP CHILLY CONDITIONS IN PLACE FOR SEVERAL DAYS. WINDS WILL SUBSIDE A BIT BY WEDNESDAY. .TODAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). MAX TEMPERATURE.....AROUND 66. MIN HUMIDITY........32 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING SOUTH 5 TO 7 MPH IN THE AFTERNOON. CWR.................0 PERCENT. MIXING HEIGHT.......200-2000 FT AGL...INCREASING TO 4600-4900 FT AGL. MIXING WINDS........NORTHWEST 5 TO 7 MPH...BECOMING SOUTH 3 TO 10 MPH IN THE LATE MORNING AND EARLY AFTERNOON...THEN INCREASING TO 13 TO 16 MPH EARLY IN THE AFTERNOON. TIME (EDT) 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........16 18 25 29 33 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE TEMP............44 54 60 64 64 RH..............60 43 36 32 38 20 FT WIND......SW 1 SW 2 S 4 S 5 S 6 20 FT WIND GUST. 5 5 10 10 CWR.............0 0 0 0 0 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT)...THEN BECOMING MOSTLY CLOUDY (70-80 PERCENT). A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS LATE. MIN TEMPERATURE.....AROUND 49. MAX HUMIDITY........93 PERCENT. WIND (20 FT)........SOUTH WINDS 5 TO 6 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS AFTER MIDNIGHT. CWR.................10 PERCENT...INCREASING TO 60 PERCENT. MIXING HEIGHT.......1900-3400 FT AGL...DECREASING TO 100-600 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTH 8 TO 16 MPH. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........40 63 78 85 91 93 WEATHER COV..... CHANCE LIKELY WEATHER TYPE....NONE NONE NONE NONE RNSHWR RNSHWR TEMP............64 60 57 55 53 52 RH..............40 53 62 69 77 83 20 FT WIND......S 5 S 4 S 4 S 4 S 5 S 5 20 FT WIND GUST.10 5 5 5 10 10 CWR.............0 10 10 10 40 60 .MONDAY... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE MORNING...THEN A CHANCE OF SHOWERS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 62. MIN HUMIDITY........42 PERCENT. WIND (20 FT)........WEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE MORNING. CWR.................80 PERCENT. MIXING HEIGHT.......200-800 FT AGL...INCREASING TO 5200-6200 FT AGL. MIXING WINDS........WEST 8 TO 17 MPH...INCREASING TO 20 TO 26 MPH EARLY IN THE AFTERNOON. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........96 100 92 82 74 73 WEATHER COV.....LIKELY DEFNTE DEFNTE CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............51 52 56 59 61 61 RH..............89 93 74 60 48 42 20 FT WIND......S 5 SW 6 SW 6 SW 8 W 10 W 11 20 FT WIND GUST.10 10 15 20 25 25 CWR.............70 80 80 40 40 40 $$ FORECASTER...SILVERMAN REQUESTED BY...BURN BOSS TYPE OF REQUEST...PRESCRIBED .TAG 20090405.CATBA.03/LWX