FNUS71 KLWX 100806 FWSLWX SPOT FORECAST FOR JARMAN GAP 6...NPS NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 406 AM EDT WED APR 10 2013 FORECAST IS BASED ON IGNITION TIME OF 0930 EDT ON APRIL 10. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... WARM AND DRY CONDITIONS ARE EXPECTED THIS AFTERNOON. THE MIN RH SHOULD BE ABOVE 30 PERCENT ACROSS MOST LOCATIONS DUE TO INCREASED ATMOSPHERIC MOISTURE. WARM AND DRY CONDITIONS WILL CONTINUE WEDNESDAY. AN ISOLATED SHOWER OR THUNDERSTORM CANNOT BE RULED OUT WEDNESDAY AFTERNOON AND EVENING...ESPECIALLY ACROSS NORTHERN MARYLAND...NORTHERN VIRGINIA AND THE EASTERN PANHANDLE OF WEST VIRGINIA. THURSDAY WILL REMAIN WARM AND DRY THROUGH THE MIDDLE AFTERNOON. HOWEVER... POP UP SHOWERS AND THUNDERSTORMS ARE POSSIBLE ACROSS THE NORTHERN AND WESTERN PORTIONS OF THE AREA. A STEADIER BAND OF SHOWERS AND POSSIBLE THUNDERSTORMS ARE EXPECTED OVERNIGHT THURSDAY INTO FRIDAY MORNING. THUNDERSTORMS WILL CONTAIN LOCALLY HEAVY RAIN ALONG WITH THE POSSIBILITY OF GUSTY WINDS. COOLER AND DRY CONDITIONS ARE EXPECTED LATER FRIDAY THROUGH THE WEEKEND. .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). MAX TEMPERATURE.....AROUND 80. MIN HUMIDITY........47 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 9 TO 14 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON. CWR.................10 PERCENT. MIXING HEIGHT.......100-1500 FT AGL...INCREASING TO 5000-6000 FT AGL. TRANSPORT WINDS.....SOUTHWEST 2 TO 7 MPH...INCREASING TO 12 TO 15 MPH IN THE LATE MORNING AND AFTERNOON. SURFACE WINDS.......SOUTHWEST WINDS 9 TO 14 MPH. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........51 39 39 39 54 54 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............62 64 70 75 78 79 RH..............72 73 63 52 43 39 20 FT WIND......W 7 W 6 SW 7 SW 9 SW 10 SW 10 20 FT WIND GUST.15 15 15 20 25 25 CWR.............10 10 10 10 10 10 .THURSDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SHOWERS AND A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 57. MAX HUMIDITY........MISSING. WIND (20 FT)........SOUTH WINDS 11 TO 16 MPH WITH GUSTS UP TO 30 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS AFTER MIDNIGHT. CWR.................10 PERCENT...INCREASING TO 80 PERCENT. MIXING HEIGHT.......MISSING. TRANSPORT WINDS..... SURFACE WINDS.......SOUTH WINDS 11 TO 16 MPH. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........54 85 85 85 96 96 WEATHER COV..... DEFNTE DEFNTE DEFNTE WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR RNSHWR TEMP............77 71 68 65 62 61 RH..............43 57 65 73 81 81 20 FT WIND......S 10 S 9 S 10 S 11 S 12 S 13 20 FT WIND GUST.25 20 25 25 30 30 CWR.............10 10 10 80 80 80 .FRIDAY... SKY/WEATHER.........CLOUDY (85-95 PERCENT)...THEN BECOMING MOSTLY SUNNY (40-50 PERCENT). SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE MORNING...THEN A CHANCE OF SHOWERS EARLY IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 69. MIN HUMIDITY........MISSING. WIND (20 FT)........WEST WINDS 11 TO 16 MPH WITH GUSTS UP TO 30 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE MORNING. CWR.................80 PERCENT...DECREASING TO 10 PERCENT. MIXING HEIGHT.......MISSING. TRANSPORT WINDS..... SURFACE WINDS.......WEST WINDS 11 TO 16 MPH. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........96 86 86 86 52 52 WEATHER COV.....DEFNTE LIKELY LIKELY CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR NONE TEMP............60 60 63 66 68 68 RH..............81 78 60 47 37 34 20 FT WIND......S 10 SW 8 SW 9 SW 10 W 12 W 13 20 FT WIND GUST.25 20 20 25 30 30 CWR.............80 60 60 40 40 10 $$ FORECASTER...JACKSON REQUESTED BY...JOHN FRY PEG AINSLIE TYPE OF REQUEST...PRESCRIBED .TAG 20130410.JARMA.07/LWX