FNUS71 KLWX 211613 FWSLWX SPOT FORECAST FOR SPRUCE KNOB FIRE...US FOREST SERVICE NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1213 PM EDT TUE MAY 21 2013 FORECAST IS BASED ON REQUEST TIME OF 1205 EDT ON MAY 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE WILL REMAIN OFFSHORE THROUGH THURSDAY. ASSOCIATED SOUTHERLY FLOW AND WARM AND HUMID CONDITIONS WILL LEAD TO SOME SHOWERS AND THUNDERSTORMS...ESPECIALLY DURING THE AFTERNOON AND EVENING HOURS EACH DAY. A COLD FRONT WILL PASS THROUGH THE AREA THURSDAY NIGHT INTO FRIDAY AND MUCH COOLER CONDITIONS ARE EXPECTED BEHIND THIS BOUNDARY FOR MEMORIAL DAY WEEKEND. .REST OF TODAY... SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS LATE. MAX TEMPERATURE.....AROUND 77. MIN HUMIDITY........52 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING SOUTHWEST AROUND 6 MPH LATE. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. CWR.................10 PERCENT...INCREASING TO 50 PERCENT. MIXING HEIGHT.......4600-6100 FT AGL...INCREASING TO 6600-6800 FT AGL LATE. TRANSPORT WINDS.....SOUTHWEST 6 TO 13 MPH...INCREASING TO AROUND 16 MPH LATE. TIME (EDT) NOON 2 PM 4 PM SKY (%).........49 40 53 WEATHER COV..... S CHC CHANCE WEATHER TYPE....NONE RNSHWR RNSHWR TEMP............74 76 76 RH..............62 52 52 20 FT WIND......W 3 SW 2 SW 5 20 FT WIND GUST.7 7 11 CWR.............10 30 50 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT). SCATTERED SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN ISOLATED SHOWERS AND THUNDERSTORMS LATE IN THE EVENING. MIN TEMPERATURE.....AROUND 62. MAX HUMIDITY........73 PERCENT. WIND (20 FT)........WEST WINDS 6 TO 7 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE EVENING. CWR.................50 PERCENT...DECREASING TO 10 PERCENT. MIXING HEIGHT.......4600-6200 FT AGL...DECREASING TO 300-1200 FT AGL. TRANSPORT WINDS.....WEST 9 TO 17 MPH...DECREASING TO 7 TO 10 MPH AFTER MIDNIGHT. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........59 65 65 65 65 58 WEATHER COV.....SCTTRD SCTTRD CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR NONE NONE NONE TEMP............75 72 69 67 65 64 RH..............54 59 66 70 70 70 20 FT WIND......SW 6 SW 6 SW 6 W 5 W 5 W 5 20 FT WIND GUST.11 11 11 7 7 7 CWR.............50 50 40 10 10 10 .WEDNESDAY... SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 75. MIN HUMIDITY........62 PERCENT. WIND (20 FT)........SOUTH WINDS 6 TO 9 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. CWR.................10 PERCENT...INCREASING TO 50 PERCENT. MIXING HEIGHT.......500-1600 FT AGL...INCREASING TO 3300-5200 FT AGL LATE IN THE MORNING...THEN INCREASING TO 5900-7200 FT AGL IN THE AFTERNOON...DECREASING x09x09 TO 4000-4900 FT AGL LATE. TRANSPORT WINDS.....SOUTHWEST 13 TO 21 MPH...INCREASING TO 23 TO 25 MPH LATE. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........51 51 47 48 53 58 WEATHER COV..... S CHC S CHC CHANCE CHANCE CHANCE WEATHER TYPE....NONE RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............64 66 70 72 74 74 RH..............73 73 68 66 62 62 20 FT WIND......W 5 W 6 W 6 SW 7 SW 7 S 6 20 FT WIND GUST.7 11 11 11 11 11 CWR.............10 30 30 50 50 50 $$ FORECASTER...SILVERMAN REQUESTED BY...CAMERON CRISP TYPE OF REQUEST...WILDFIRE .TAG 20130521.SPRUC.01/LWX