FNUS71 KAKQ 071218 FWSAKQ SPOT FORECAST FOR ROBBINS LANDING...US FISH AND WILDLIFE SERVICE NATIONAL WEATHER SERVICE WAKEFIELD VA 718 AM EST TUE FEB 7 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE BUILDS IN FROM THE NORTH TODAY AND TONIGHT. A WEAK LOW PRESSURE SYSTEM TRACKS ACROSS THE MID ATLANTIC WEDNESDAY FOLLOWED BY A COLD FRONT WEDNESDAY NIGHT. HIGH PRESSURE RETURNS FOR THE END OF THE WEEK. .TODAY... SKY/WEATHER.........SUNNY (0-10 PERCENT). MAX TEMPERATURE.....AROUND 52. MIN HUMIDITY........44 PERCENT. WIND (20FT/2MIN)........LIGHT WINDS...BECOMING NORTHWEST 5 TO 9 MPH EARLY IN THE MORNING. ADI.................4...INCREASING TO 23 LATE IN THE MORNING...THEN INCREASING TO 36 IN THE AFTERNOON...DECREASING TO 19 LATE. LVORI...............3. SKY/WEATHER.........SUNNY (0-10 PERCENT). CHANCE OF PCPN......0 PERCENT. MIXING HEIGHT.......300-2000 FT AGL. TRANSPORT WINDS.....NORTHWEST 8 TO 16 MPH. VENTILATION RATE....VERY POOR (1700-28200 FT-MPH). HAINES INDEX........4 TO 5 OR OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EST) 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).............2 3 5 5 5 4 4 WEATHER COV......... WEATHER TYPE........ TSTM COV............ TEMP................49 50 52 52 52 52 49 RH..................50 48 46 46 46 46 52 CHC OF PCPN (%).....0 0 0 0 0 0 0 MIX HGT (KFT).......1.4 1.8 2.0 2.0 2.0 2.0 1.6 20 FT WIND DIR......NW NW NW NW NW NW NW 20 FT WIND SPD......8 8 9 8 7 6 5 20 FT WIND GUST.....15 15 15 15 15 10 10 TRANSP WIND DIR.....NW NW NW NW NW NW NW TRANSP WIND SPD.....15 16 16 15 14 13 9 VRATE KT-FT/1000....18 25 28 26 24 22 13 LVORI...............2 1 1 1 1 1 2 ADI.................26 37 40 37 34 31 19 HAINES INDEX........4 4 4 4 4 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT). MIN TEMPERATURE.....AROUND 29. MAX HUMIDITY........89 PERCENT. WIND (20FT/2MIN)........NORTH WINDS AROUND 5 MPH EARLY IN THE EVENING...BECOMING LIGHT. ADI.................6. LVORI...............5. SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT). CHANCE OF PCPN......0 PERCENT. MIXING HEIGHT.......300-700 FT AGL. TRANSPORT WINDS.....NORTHEAST 5 TO 14 MPH. VENTILATION RATE....VERY POOR (1000-4200 FT-MPH). HAINES INDEX........2 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).............4 4 6 9 12 14 17 20 27 34 41 48 WEATHER COV......... WEATHER TYPE........ TSTM COV............ TEMP................46 42 41 39 38 36 35 34 33 33 32 32 RH..................58 67 70 73 76 82 82 85 89 85 88 88 CHC OF PCPN (%).....0 0 0 0 0 0 0 0 0 0 0 0 MIX HGT (KFT).......0.7 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 20 FT WIND DIR......N N N N N NE NE NE NE NE NE NE 20 FT WIND SPD......5 3 3 3 3 3 3 3 3 2 1 1 20 FT WIND GUST.....10 5 5 5 5 5 5 5 5 5 TRANSP WIND DIR.....N N N N N NE NE NE NE NE NE NE TRANSP WIND SPD.....7 5 7 9 12 10 9 8 9 12 14 14 VRATE KT-FT/1000....4 1 2 2 3 2 2 2 2 3 3 3 LVORI...............3 3 3 3 4 4 4 5 6 5 5 5 ADI.................5 4 5 7 5 5 4 4 4 5 6 6 HAINES INDEX........4 4 4 4 4 4 4 4 3 3 2 2 .WEDNESDAY... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). A CHANCE OF RAIN SHOWERS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 47. MIN HUMIDITY........57 PERCENT. WIND (20FT/2MIN)........LIGHT WINDS...BECOMING EAST AROUND 5 MPH LATE IN THE MORNING...THEN BECOMING LIGHT IN THE AFTERNOON. ADI.................7...INCREASING TO 14 LATE IN THE MORNING...THEN DECREASING TO 6 IN THE AFTERNOON. LVORI...............4. SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). A CHANCE OF RAIN SHOWERS IN THE AFTERNOON. CHANCE OF PCPN......40 PERCENT. MIXING HEIGHT.......300-2100 FT AGL. TRANSPORT WINDS.....EAST 6 TO 14 MPH...BECOMING NORTHEAST 2 TO 3 MPH IN THE AFTERNOON. VENTILATION RATE....VERY POOR (2800-13100 FT-MPH). HAINES INDEX........2 TO 3 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).............56 63 68 73 78 83 88 93 92 91 89 88 WEATHER COV......... CHC CHC CHC CHC CHC CHC WEATHER TYPE........ RW RW RW RW RW RW TSTM COV............ TEMP................31 31 34 38 42 44 45 45 46 45 45 43 RH..................88 88 82 73 65 60 60 62 60 65 65 70 CHC OF PCPN (%).....0 10 10 10 10 10 40 40 40 40 40 40 MIX HGT (KFT).......0.3 0.3 0.7 1.1 1.5 1.6 1.9 2.1 2.1 2.1 2.1 1.6 20 FT WIND DIR......E E E E E E NE NE NE NE NE NE 20 FT WIND SPD......2 2 3 3 5 5 3 3 3 3 3 3 20 FT WIND GUST.....5 5 5 5 10 10 5 5 5 5 5 5 TRANSP WIND DIR.....NE NE NE E E E E E E NE NE NE TRANSP WIND SPD.....14 13 13 12 10 8 6 3 2 2 2 3 VRATE KT-FT/1000....3 3 7 11 13 11 10 6 4 4 4 5 LVORI...............5 5 4 3 3 2 2 3 3 3 3 3 ADI.................6 6 6 8 17 14 11 7 5 5 5 6 HAINES INDEX........2 2 2 3 3 3 3 3 3 3 3 3 FORECASTER...MONTEFUSCO REQUESTED BY...KEITH MORRIS TYPE OF REQUEST...PRESCRIBED .TAG 20120207.ROBBI.01/AKQ