FNUS71 KLWX 041236 FWSLWX SPOT FORECAST FOR JARMAN GAP...NPS NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 836 AM EDT WED APR 4 2012 FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON APRIL 05. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A COLD FRONT WILL MOVE SOUTHEAST ACROSS THE MID ATLANTIC THIS AFTERNOON AND EVENING. HIGH PRESSURE WILL BUILD IN FROM THE NORTH OVERNIGHT...AND REMAIN IN PLACE THROUGH THE WEEKEND. THE NEXT COLD FRONT IS EXPECTED TO MOVE ACROSS THE REGION MONDAY NIGHT AND TUESDAY. .TODAY... SKY/WEATHER.........CLOUDY (85-95 PERCENT). SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS IN THE MORNING...THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 72. MIN HUMIDITY........46 PERCENT. WIND (20 FT)........WEST WINDS AROUND 5 MPH EARLY IN THE MORNING...BECOMING LIGHT AND VARIABLE...THEN BECOMING NORTHWEST 6 TO 10 MPH WITH GUSTS UP TO 20 MPH EARLY IN THE MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE MORNING. CWR.................20 PERCENT...INCREASING TO 30 PERCENT IN THE MORNING...THEN INCREASING TO 70 PERCENT...DECREASING TO 50 PERCENT. MIXING HEIGHT.......0-1100 FT AGL...INCREASING TO 2300-3700 FT AGL LATE IN THE MORNING...THEN INCREASING TO 5300-6700 FT AGL EARLY IN THE AFTERNOON...INCREASING TO 6600-7300 FT AGL EARLY IN THE AFTERNOON...DECREASING TO 3700-5100 FT AGL. TRANSPORT WINDS.....NORTHWEST 3 TO 9 MPH...INCREASING TO 13 TO 18 MPH LATE IN THE MORNING. SURFACE WINDS.......WEST WINDS AROUND 5 MPH EARLY IN THE MORNING...BECOMING LIGHT AND VARIABLE...THEN BECOMING NORTHWEST 6 TO 10 MPH EARLY IN THE MORNING. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........78 97 87 88 94 90 WEATHER COV.....ISOLTD SCTTRD SCTTRD LIKELY LIKELY LIKELY WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............56 57 63 68 70 71 RH..............86 77 65 57 47 53 20 FT WIND......W 4 W 6 NW 6 W 6 NW 5 N 8 20 FT WIND GUST.10 15 15 15 10 20 CWR.............20 30 30 70 70 70 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT)...THEN BECOMING PARTLY CLOUDY (35-45 PERCENT). A CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING. MIN TEMPERATURE.....AROUND 43. MAX HUMIDITY........75 PERCENT. WIND (20 FT)........NORTH WINDS 6 TO 11 MPH WITH GUSTS UP TO 20 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE EVENING. CWR.................50 PERCENT...DECREASING TO 0 PERCENT. MIXING HEIGHT.......1300-2900 FT AGL...DECREASING TO 200-700 FT AGL IN THE LATE EVENING AND OVERNIGHT. TRANSPORT WINDS.....NORTH 7 TO 14 MPH. SURFACE WINDS.......NORTH WINDS 6 TO 11 MPH. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........86 82 68 49 35 39 WEATHER COV.....CHANCE CHANCE S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR NONE NONE TEMP............68 61 56 53 50 48 RH..............59 72 72 71 71 71 20 FT WIND......NW 6 N 6 N 8 N 6 N 6 N 5 20 FT WIND GUST.15 15 20 15 15 10 CWR.............50 50 0 0 0 0 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). MAX TEMPERATURE.....AROUND 53. MIN HUMIDITY........46 PERCENT. WIND (20 FT)........EAST WINDS 5 TO 9 MPH. CWR.................10 PERCENT. MIXING HEIGHT.......700-2500 FT AGL...INCREASING TO 5600-6000 FT AGL. TRANSPORT WINDS.....NORTH 5 TO 13 MPH...BECOMING EAST 2 TO 3 MPH EARLY IN THE AFTERNOON. SURFACE WINDS.......EAST WINDS 5 TO 9 MPH. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........43 47 47 47 55 55 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............47 45 48 51 52 52 RH..............71 70 56 48 46 46 20 FT WIND......N 5 NE 7 NE 6 E 5 E 5 E 4 20 FT WIND GUST.10 10 10 10 10 5 CWR.............0 10 10 10 10 10 $$ FORECASTER...STRUCKMANN REQUESTED BY...DAMMEYER TYPE OF REQUEST...PRESCRIBED .TAG 20120405.JARMA.01/LWX