FNUS71 KAKQ 041404 FWSAKQ SPOT FORECAST FOR PINEY GROVE UNIT 30...TNC NATIONAL WEATHER SERVICE WAKEFIELD VA 1004 AM EDT FRI MAY 4 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A STATIONARY FRONT EXTENDING THROUGH PENNSYLVANIA AND CENTRAL VIRGINIA WILL CONTINUE TO DISSIPATE OVER THE AREA EARLY TODAY. MEANWHILE A SERIES OF UPPER LEVEL DISTURBANCES WILL CROSS THROUGH THE AREA THROUGH SATURDAY...AHEAD OF A COLD FRONT WHICH WILL DROP SOUTH ACROSS THE REGION BY LATE SATURDAY. HIGH PRESSURE WILL BUILD IN FROM THE NORTH FOR THE BEGINNING OF NEXT WEEK. .TODAY... SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 90. MIN HUMIDITY........39 PERCENT. WIND (20FT/2MIN)....LIGHT WINDS...BECOMING SOUTHWEST 5 TO 7 MPH IN THE AFTERNOON. GUSTY AND ERRATIC WINDS POSSIBLE IN OR NEAR THUNDERSTORMS IN THE AFTERNOON. CHANCE OF PCPN......20 PERCENT. MIXING HEIGHT.......300-2200 FT AGL...INCREASING TO 3000-4900 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....WEST 5 TO 14 MPH...INCREASING TO 15 TO 23 MPH IN THE AFTERNOON. HAINES INDEX........4 TO 5 OR LOW TO MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 12P 1PM 2PM 3PM 4PM 5PM SKY (%).............41 41 41 49 49 49 WEATHER COV.........ISO ISO ISO ISO ISO ISO WEATHER TYPE........RW RW RW RW RW RW TSTM COV............ISO ISO ISO ISO ISO ISO TEMP................81 83 86 88 90 88 RH..................60 55 46 42 41 43 CHC OF PCPN (%).....10 10 20 20 20 20 MIX HGT (KFT).......2.2 3.0 3.8 4.1 4.5 4.9 20 FT WIND DIR......SW SW SW SW SW SW 20 FT WIND SPD......3 5 7 7 7 7 20 FT WIND GUST.....5 10 15 15 15 15 TRANSP WIND DIR.....W W W W W W TRANSP WIND SPD.....14 15 16 20 22 23 VRATE KT-FT/1000....26 39 53 69 85 96 LVORI...............1 1 1 1 1 1 ADI.................37 48 58 72 86 68 HAINES INDEX........4 4 4 4 5 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). ISOLATED SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING...THEN SCATTERED SHOWERS AND THUNDERSTORMS IN THE LATE EVENING AND EARLY MORNING. ISOLATED SHOWERS AND THUNDERSTORMS LATE. MIN TEMPERATURE.....AROUND 67. MAX HUMIDITY........87 PERCENT. WIND (20FT/2MIN)....SOUTHWEST WINDS 6 TO 7 MPH EARLY IN THE EVENING...BECOMING LIGHT. GUSTY AND ERRATIC WINDS POSSIBLE IN OR NEAR THUNDERSTORMS. CHANCE OF PCPN......30 PERCENT. MIXING HEIGHT.......1800-3400 FT AGL...DECREASING TO 300 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH...BECOMING NORTHWEST 5 TO 10 MPH EARLY IN THE EVENING. HAINES INDEX........3 TO 5 OR VERY LOW TO MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).............64 64 64 70 70 70 64 64 64 61 61 61 WEATHER COV.........ISO ISO ISO SCT SCT SCT SCT SCT SCT ISO ISO ISO WEATHER TYPE........RW RW RW RW RW RW RW RW RW RW RW RW TSTM COV............ISO ISO ISO SCT SCT SCT SCT SCT SCT ISO ISO ISO TEMP................86 83 81 78 76 74 73 73 71 71 70 69 RH..................46 53 58 64 69 71 73 73 79 79 81 84 CHC OF PCPN (%).....20 20 20 30 30 30 30 30 20 20 20 20 MIX HGT (KFT).......3.4 1.8 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 20 FT WIND DIR......SW SW SW W NW NW W S SE S W NW 20 FT WIND SPD......7 7 7 6 3 3 3 2 2 3 3 3 20 FT WIND GUST.....15 15 15 10 5 5 5 5 5 5 5 5 TRANSP WIND DIR.....W SW SW SW W W W W W W NW NW TRANSP WIND SPD.....20 15 10 8 8 7 6 6 6 5 5 6 VRATE KT-FT/1000....57 23 2 2 2 2 1 1 1 1 1 1 LVORI...............1 2 2 3 3 3 3 3 4 4 5 5 ADI.................50 27 12 9 5 3 3 3 2 2 2 4 HAINES INDEX........5 4 4 4 4 4 4 3 3 3 3 3 .SATURDAY... SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 85. MIN HUMIDITY........47 PERCENT. WIND (20FT/2MIN)....LIGHT WINDS...BECOMING NORTHEAST 5 TO 6 MPH IN THE LATE MORNING AND AFTERNOON. GUSTY AND ERRATIC WINDS POSSIBLE IN OR NEAR THUNDERSTORMS IN THE AFTERNOON. CHANCE OF PCPN......40 PERCENT. MIXING HEIGHT.......300-2100 FT AGL...INCREASING TO 3000-3800 FT AGL LATE IN THE MORNING. TRANSPORT WINDS.....NORTH 8 TO 13 MPH. HAINES INDEX........3 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).............62 62 62 59 59 59 53 53 53 58 58 58 WEATHER COV......... CHC CHC CHC CHC CHC CHC WEATHER TYPE........ RW RW RW RW RW RW TSTM COV............ CHC CHC CHC CHC CHC CHC TEMP................68 70 70 73 76 79 81 82 83 83 85 83 RH..................87 81 81 73 66 60 56 55 53 53 50 53 CHC OF PCPN (%).....10 10 10 10 10 10 40 40 40 40 40 40 MIX HGT (KFT).......0.3 0.3 0.3 1.2 2.1 3.0 3.1 3.2 3.3 3.4 3.6 3.8 20 FT WIND DIR......NW NW NW N N N N N N N N NE 20 FT WIND SPD......3 3 3 3 5 6 6 6 6 6 6 6 20 FT WIND GUST.....5 5 5 5 10 10 10 10 10 10 10 10 TRANSP WIND DIR.....NW N N N N N N N N N N N TRANSP WIND SPD.....8 9 12 13 13 13 13 13 12 10 9 8 VRATE KT-FT/1000....2 2 3 13 23 33 34 34 32 31 28 27 LVORI...............5 4 4 3 3 1 1 2 2 2 2 2 ADI.................5 4 5 8 25 30 31 30 29 26 23 22 HAINES INDEX........3 3 3 3 3 3 3 3 3 3 4 4 FORECASTER...SCALORA REQUESTED BY...BOBBY CLONTZ TYPE OF REQUEST...PRESCRIBED .TAG 20120504.PINEY.01/AKQ