FNUS71 KLWX 121512 FWSLWX SPOT FORECAST FOR MASON NECK OPEN FIELDS...VA DCR- STATE PARKS NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 1012 AM EST WED DEC 12 2012 FORECAST IS BASED ON IGNITION TIME OF 1200 EST ON DECEMBER 13. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE WILL SETTLE OVER PENNSYLVANIA AS CLOUDS STREAM OVERHEAD FROM LOW PRESSURE OVER THE SOUTHEAST U.S. CLOUDS WILL KEEP TEMPERATURES IN THE MID 40S TODAY WITH LIGHT NORTH WINDS. THE ATMOSPHERE IS NEARLY ISOTHERMAL UP TO 5000 FEET. TRANSPORT WINDS WILL BE LIGHT NORTH AND THE MIXING HEIGHT WILL BE LIMITED TO 3000 FEET DUE TO ANOTHER INVERSION. HUMIDITY WILL BE IN THE 40-45% RANGE THIS AFTERNOON. BETTER MIXING TOMORROW WITH MORE SUNSHINE...SLIGHTLY WARMER TEMPERATURES AND LOWER HUMIDITY. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). MAX TEMPERATURE.....AROUND 46. MIN HUMIDITY........42 PERCENT. WIND (20 FT)........NORTH WINDS AROUND 6 MPH. TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........74 72 69 69 69 69 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............38 39 44 45 46 44 RH..............M M M M M M 20 FT WIND......N 5 N 5 N 5 N 5 N 5 N 5 20 FT WIND GUST.10 10 15 15 15 10 .THURSDAY... SKY/WEATHER.........SUNNY (0-10 PERCENT). MAX TEMPERATURE.....AROUND 48. MIN HUMIDITY........37 PERCENT. WIND (20 FT)........NORTH WINDS 5 TO 6 MPH. TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........5 4 2 0 0 0 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............33 34 40 45 46 45 RH..............72 69 52 41 38 43 20 FT WIND......N 5 N 5 N 5 NE 5 NE 5 N 5 20 FT WIND GUST.10 10 15 10 10 10 $$ FORECASTER...GOLDSTEIN REQUESTED BY...LAURYN SACHA TYPE OF REQUEST...PRESCRIBED .TAG 20121213.MASON.01/LWX