FNUS71 KAKQ 301107 FWSAKQ SPOT FORECAST FOR MALVERN HILL RX...NPS NATIONAL WEATHER SERVICE WAKEFIELD VA 707 AM EDT FRI MAR 30 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... ...SHOWERS WITH SCATTERED THUNDERSTORMS SATURDAY... HIGH PRESSURE MOVES NORTH OF THE AREA TODAY. LOW PRESSURE TRACKS ACROSS THE NORTHERN MID ATLANTIC STATES TONIGHT BEFORE MOVING OFF THE COAST SATURDAY. THE ASSOCIATED WARM FRONT LIFTS NORTH ACROSS THE AREA TONIGHT WITH THE TRAILING COLD FRONT CROSSING THE REGION SATURDAY. HIGH PRESSURE RETURNS SATURDAY NIGHT AND SUNDAY. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). MAX TEMPERATURE.....AROUND 69. MIN HUMIDITY........37 PERCENT. WIND (20FT/2MIN)....LIGHT WINDS...BECOMING SOUTHEAST 5 TO 8 MPH IN THE AFTERNOON. CHANCE OF PCPN......10 PERCENT. MIXING HEIGHT.......500-2400 FT AGL...INCREASING TO 3200-4000 FT AGL LATE IN THE MORNING. TRANSPORT WINDS.....SOUTH 6 TO 12 MPH. HAINES INDEX........2 TO 3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).............18 18 30 30 30 47 47 47 60 60 60 WEATHER COV......... WEATHER TYPE........ TSTM COV............ TEMP................43 41 48 54 61 64 66 67 68 68 68 RH..................71 68 59 49 42 40 38 39 39 42 43 CHC OF PCPN (%).....0 0 0 0 0 0 0 10 10 10 10 MIX HGT (KFT).......0.7 1.0 1.7 2.4 3.1 3.3 3.8 3.9 3.8 3.8 3.9 20 FT WIND DIR......NE NE NE E E E E SE SE SE SE 20 FT WIND SPD......3 3 3 3 3 3 5 5 6 7 8 20 FT WIND GUST.....5 5 5 5 5 10 10 10 10 15 15 TRANSP WIND DIR.....NE NE E E E SE SE SE SE S S TRANSP WIND SPD.....12 12 10 8 6 6 6 7 8 9 10 VRATE KT-FT/1000....7 10 14 16 15 16 18 22 26 30 35 LVORI...............3 3 3 2 2 2 2 2 2 2 2 ADI.................5 5 4 21 19 18 21 18 21 25 29 HAINES INDEX........2 2 2 3 3 3 3 3 3 3 3 WAVE HEIGHT (FT)....0 0 0 0 0 0 0 0 0 0 0 DOMINANT PERIOD (S).0 0 0 0 0 0 0 0 0 0 0 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). A SLIGHT CHANCE OF SHOWERS IN THE EVENING. A CHANCE OF SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 54. MAX HUMIDITY........100 PERCENT. WIND (20FT/2MIN)....SOUTHEAST WINDS 5 TO 8 MPH IN THE EVENING...BECOMING LIGHT...THEN BECOMING SOUTH AROUND 5 MPH LATE. WAVE HEIGHT.........0 FEET. DOMINANT PERIOD.....0 SECONDS. CHANCE OF PCPN......40 PERCENT. MIXING HEIGHT.......1500-3300 FT AGL...DECREASING TO 300-1200 FT AGL LATE IN THE EVENING. TRANSPORT WINDS.....SOUTHEAST 6 TO 15 MPH...BECOMING SOUTH 5 TO 6 MPH LATE. HAINES INDEX........3 OR VERY LOW POTENTIAL. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).............72 72 72 80 80 80 86 86 86 86 86 86 WEATHER COV.........SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC CHC WEATHER TYPE........RW RW RW RW RW RW RW RW RW RW RW RW TSTM COV............ TEMP................67 65 63 61 59 57 56 55 55 55 55 55 RH..................47 52 58 65 72 80 86 93 96 96 96 96 CHC OF PCPN (%).....10 10 20 20 20 20 20 20 40 40 40 40 MIX HGT (KFT).......3.3 2.7 2.2 1.8 1.5 1.2 0.9 0.6 0.3 0.3 0.3 0.3 20 FT WIND DIR......SE SE SE SE SE SE SE E E SE S S 20 FT WIND SPD......8 7 7 6 6 5 5 3 3 3 5 5 20 FT WIND GUST.....15 15 15 10 10 10 10 5 5 5 10 10 TRANSP WIND DIR.....S SE SE SE SE SE SE SE SE SE S S TRANSP WIND SPD.....13 14 15 15 13 12 9 7 6 5 6 6 VRATE KT-FT/1000....36 34 28 23 17 12 7 4 1 1 1 1 LVORI...............1 1 1 2 3 4 5 6 8 8 8 8 ADI.................31 32 30 27 9 8 6 5 4 3 3 4 HAINES INDEX........3 3 3 3 3 3 3 3 3 3 3 3 WAVE HEIGHT (FT)....0 0 0 0 0 0 0 0 0 0 0 0 DOMINANT PERIOD (S).0 0 0 0 0 0 0 0 0 0 0 0 FORECASTER...RUSNAK REQUESTED BY...NPS TYPE OF REQUEST...PRESCRIBED .TAG 20120330.MALVE.02/AKQ