FNUS71 KAKQ 211342 FWSAKQ SPOT FORECAST FOR SANDY ISLAND RX...US FISH AND WILDLIFE SERVICE NATIONAL WEATHER SERVICE WAKEFIELD VA 842 AM EST TUE FEB 21 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE REMAINS OVER THE MID ATLANTIC THIS MORNING...PUSHING OFFSHORE THIS AFTERNOON AS A WEAK COLD FRONT APPROACHES FROM THE WEST. THE FRONT CROSSES THE REGION OVERNIGHT...FOLLOWED BY A WARM FRONT SLIDING THROUGH THE AREA WEDNESDAY NIGHT INTO THURSDAY MORNING. LOW PRESSURE AND AN ASSOCIATED COLD FRONT WILL AFFECT THE REGION THURSDAY NIGHT INTO FRIDAY. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). MAX TEMPERATURE.....AROUND 53. MIN HUMIDITY........46 PERCENT. WIND (20FT/2MIN)....LIGHT WINDS...BECOMING SOUTH 5 TO 13 MPH WITH GUSTS UP TO 25 MPH. ADI.................3...INCREASING TO 21 LATE IN THE MORNING...THEN INCREASING TO 47 LATE IN THE MORNING...INCREASING TO 64 IN THE AFTERNOON...DECREASING TO 45. LVORI...............4. CHANCE OF PCPN......10 PERCENT. MIXING HEIGHT.......300-1900 FT AGL...INCREASING TO 1700-3400 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHEAST 3 TO 12 MPH...INCREASING TO SOUTH 25 TO 29 MPH. VENTILATION RATE....VERY POOR TO FAIR (800-47000 FT-MPH)...INCREASING TO POOR TO GOOD (37200-70100 FT-MPH) IN THE AFTERNOON. HAINES INDEX........4 TO 5 OR LOW TO MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).............22 29 37 45 52 60 61 62 63 64 WEATHER COV......... WEATHER TYPE........ TSTM COV............ TEMP................32 39 43 47 50 51 51 51 51 50 RH..................85 70 60 53 50 48 50 52 54 58 CHC OF PCPN (%).....10 10 10 10 10 10 10 10 10 10 MIX HGT (KFT).......0.5 0.8 1.1 1.9 2.6 3.4 3.0 2.7 2.4 1.7 20 FT WIND DIR......SE S S S S S S S S S 20 FT WIND SPD......6 5 5 7 10 12 13 13 13 12 20 FT WIND GUST.....10 10 10 15 15 20 25 25 25 20 TRANSP WIND DIR.....SE S S S S S S S S S TRANSP WIND SPD.....8 12 15 18 21 23 26 29 29 25 VRATE KT-FT/1000....4 8 14 30 47 67 70 68 60 37 LVORI...............5 3 2 1 1 1 1 1 1 1 ADI.................3 5 21 45 49 62 66 66 61 45 HAINES INDEX........4 4 4 4 4 4 4 5 5 5 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT). MIN TEMPERATURE.....AROUND 40. MAX HUMIDITY........82 PERCENT. WIND (20FT/2MIN)....SOUTHWEST WINDS 7 TO 10 MPH. ADI.................23...DECREASING TO 14 IN THE LATE EVENING AND OVERNIGHT. LVORI...............3. CHANCE OF PCPN......10 PERCENT. MIXING HEIGHT.......300-1000 FT AGL. TRANSPORT WINDS.....SOUTHWEST 13 TO 22 MPH. VENTILATION RATE....VERY POOR (2800-18400 FT-MPH). HAINES INDEX........3 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).............65 66 64 62 61 59 57 55 54 54 53 52 WEATHER COV......... WEATHER TYPE........ TSTM COV............ TEMP................49 48 48 48 47 47 46 45 45 44 44 43 RH..................63 68 71 71 76 76 79 82 79 82 79 82 CHC OF PCPN (%).....10 10 10 10 10 10 10 10 10 10 10 10 MIX HGT (KFT).......1.0 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......S S S S S S SW SW SW SW SW SW 20 FT WIND SPD......10 9 8 8 7 7 7 7 8 8 8 8 20 FT WIND GUST.....15 15 15 15 15 15 15 15 15 15 15 15 TRANSP WIND DIR.....S S S S S S S SW SW SW SW SW TRANSP WIND SPD.....22 18 17 17 17 16 15 14 13 13 13 14 VRATE KT-FT/1000....18 4 4 4 4 4 3 3 3 3 3 3 LVORI...............2 3 3 3 4 4 4 4 4 4 4 4 ADI.................27 20 19 19 16 15 13 12 11 11 11 12 HAINES INDEX........4 4 4 3 3 3 3 3 3 3 3 3 .WEDNESDAY... SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). MAX TEMPERATURE.....AROUND 62. MIN HUMIDITY........37 PERCENT. WIND (20FT/2MIN)....SOUTHWEST WINDS 7 TO 13 MPH. GUSTS UP TO 25 MPH LATE IN THE MORNING. ADI.................14...INCREASING TO 36 LATE IN THE MORNING...THEN INCREASING TO 46 EARLY IN THE AFTERNOON...INCREASING TO 61 EARLY IN THE AFTERNOON...INCREASING TO 75...INCREASING TO 92 LATE...DECREASING TO 76. LVORI...............3. CHANCE OF PCPN......10 PERCENT. MIXING HEIGHT.......300-1400 FT AGL...INCREASING TO 2200-4000 FT AGL IN THE LATE MORNING AND AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 10 TO 17 MPH...INCREASING TO 22 TO 29 MPH EARLY IN THE AFTERNOON. VENTILATION RATE....VERY POOR TO FAIR (3300-46400 FT-MPH)...INCREASING TO FAIR TO GOOD (51700-81100 FT-MPH) IN THE AFTERNOON. HAINES INDEX........3 TO 5 OR VERY LOW TO MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).............51 50 49 47 46 44 43 41 46 51 55 60 WEATHER COV......... WEATHER TYPE........ TSTM COV............ TEMP................42 42 45 49 53 56 58 60 61 61 60 59 RH..................82 82 73 66 57 51 45 42 41 39 41 44 CHC OF PCPN (%).....10 10 10 10 10 10 10 10 10 10 10 10 MIX HGT (KFT).......0.3 0.3 1.4 2.5 3.6 3.8 3.9 4.0 3.7 3.5 3.2 2.2 20 FT WIND DIR......SW W W W W SW SW SW SW SW SW SW 20 FT WIND SPD......7 7 8 9 9 10 12 13 13 13 13 10 20 FT WIND GUST.....15 15 15 15 15 20 25 25 25 25 25 20 TRANSP WIND DIR.....SW W W W W W SW SW SW SW SW SW TRANSP WIND SPD.....15 15 14 12 10 12 14 17 22 26 29 26 VRATE KT-FT/1000....3 3 17 25 33 38 46 60 71 80 81 52 LVORI...............4 4 3 3 1 1 1 1 1 1 1 1 ADI.................13 13 15 15 37 35 46 61 75 88 95 76 HAINES INDEX........3 3 4 4 5 5 5 5 5 4 4 4 FORECASTER...GINGRICH REQUESTED BY...KEITH MORRIS TYPE OF REQUEST...PRESCRIBED .TAG 20120221.SANDY.01/AKQ