FNUS71 KBOX 061320 FWSBOX SPOT FORECAST FOR SPVC...NATIONAL PARK SERVICE NATIONAL WEATHER SERVICE TAUNTON MA 820 AM EST TUE MAR 6 2012 FORECAST IS BASED ON IGNITION TIME OF 0830 EST ON MARCH 06. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... DRY AIR IS BEGINNING TO ENCOMPASS THE REGION AS HIGH PRESSURE BUILDS INTO THE AREA. WITH WELL MIXED LOW-LEVELS ACROSS THE CAPE...LIKELY PRESENT RELATIVE HUMIDITIES OF 40 TO 50 PERCENT WILL FALL TO AROUND THE LOW TO MID 30S INTO THE MIDDAY AND AFTERNOON HOURS. IN ADDITION NORTHWESTERLY WINDS ACROSS THE CAPE PRESENTLY SUSTAINED AROUND 10 TO 15 MPH WITH GUSTS OF 20 TO 25 MPH WILL DIMINISH 5 TO 10 MPH WITH GUSTS AROUND 15 MPH INTO THE AFTERNOON HOURS. ALL BEING SAID...CONDITIONS AROUND THE TIME OF IGNITION OF LOWERING RELATIVE HUMIDITIES WITH MODEST NORTHWESTERLY WINDS... COMBINED WITH 10-HOUR FUEL MOISTURE VALUES ESTIMATED AT 7 TO 9 PERCENT...PRESENT AN ENHANCED FIRE WEATHER POTENTIAL. OUTLOOK /WEDNESDAY THROUGH SATURDAY/... INCREASING SOUTHWESTERLY WINDS AHEAD OF A LATE WEEK SYSTEM WILL USHER WARMER TEMPERATURES AND MOISTURE ACROSS NEW ENGLAND. THE MINIMUM RELATIVE HUMIDITY SHOULD INCREASE TO BETWEEN 30 AND 40 PERCENT. SOUTHWEST WIND GUSTS MAY REACH 20 TO 25 MPH. WINDS AND MOISTURE WILL CONTINUE TO INCREASE THURSDAY ALONG AND AHEAD OF A COLD FRONT. THIS FRONT WILL MOVE THROUGH NEW ENGLAND THURSDAY NIGHT AND EARLY FRIDAY. HIGH PRESSURE THEN BRINGS COLDER AIR FOR THE REMAINDER OF THE WEEKEND. .TODAY... SKY/WEATHER.........PARTLY SUNNY...THEN BECOMING SUNNY. TEMPERATURE.........29 AT IGNITION...MAX 38. RH..................55 PERCENT AT IGNITION...MIN 41 PERCENT. WIND (20 FT)........WINDS NORTHWEST AT 13 MPH AT IGNITION... OTHERWISE NORTHWEST WINDS 9 TO 14 MPH. CWR.................0 PERCENT. MIXING HEIGHT.......3700 FT AGL AT IGNITION... OTHERWISE 2900-3900 FT AGL. TRANSPORT WINDS.....NORTHWEST 15 TO 22 MPH. SMOKE DISPERSAL.....EXCELLENT /68100 KNOT-FT/ AT IGNITION. MAX...EXCELLENT /68500 KNOT-FT/. TIME (EST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).............64 52 40 28 16 4 11 18 25 32 WEATHER COV......... WEATHER TYPE........ TSTM COV............ TEMP................28 29 31 32 33 34 35 35 35 35 RH..................55 53 51 47 45 43 41 41 43 43 20 FT WIND DIR......NW NW NW NW NW NW NW NW NW NW 20 FT WIND SPD......10 10 11 10 10 9 8 7 7 6 20 FT WIND GUST.....20 20 20 20 15 15 15 15 15 10 MIX HGT (KFT).......3.6 3.7 3.2 3.8 3.9 3.4 3.7 3.5 2.9 3.0 TRANSP WIND DIR.....NW NW NW NW NW NW NW NW NW NW TRANSP WIND SPD.....22 21 21 20 20 20 18 17 16 15 LVORI...............2 2 2 2 1 1 1 1 1 1 ADI.................29 28 28 26 53 50 49 45 38 48 CWR.................0 0 0 0 0 0 0 0 0 0 VRATE KT-FT/1000....68 66 57 65 66 57 59 53 41 39 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY...THEN BECOMING MOSTLY CLOUDY...THEN BECOMING PARTLY CLOUDY. TEMPERATURE.........MIN 32. RH..................MAX 73 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 6 TO 8 MPH. CWR.................0 PERCENT. MIXING HEIGHT.......1000-2600 FT AGL...DECREASING TO 100-600 FT AGL LATE. TRANSPORT WINDS.....SOUTHWEST 13 TO 21 MPH...INCREASING TO AROUND 23 MPH LATE. SMOKE DISPERSAL.....POOR TO GOOD (1200-31400 KNOT-FT). TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).............39 46 48 49 50 52 53 54 49 44 38 33 WEATHER COV......... WEATHER TYPE........ TSTM COV............ TEMP................34 34 33 33 33 34 35 36 36 36 36 37 RH..................47 47 49 47 47 47 49 50 54 59 64 64 20 FT WIND DIR......W W W W W W W SW SW SW SW SW 20 FT WIND SPD......5 5 5 5 5 5 5 5 5 6 6 6 20 FT WIND GUST.....10 10 10 10 10 10 10 10 10 10 10 10 MIX HGT (KFT).......2.6 1.8 2.0 1.7 1.3 1.3 1.1 1.0 0.6 0.3 0.1 0.1 TRANSP WIND DIR.....W W W W W W W W SW SW SW SW TRANSP WIND SPD.....14 13 13 13 14 14 14 14 16 18 21 23 LVORI...............1 2 1 2 2 2 2 2 2 2 2 2 ADI.................41 29 31 28 23 9 9 9 14 16 14 15 CWR.................0 0 0 0 0 0 0 0 0 0 0 0 VRATE KT-FT/1000....31 20 22 19 15 15 13 12 9 5 1 1 .WEDNESDAY... SKY/WEATHER.........SUNNY. TEMPERATURE.........MAX 45. RH..................MIN 65 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 12 TO 17 MPH. CWR.................0 PERCENT. MIXING HEIGHT.......100 FT AGL. TRANSPORT WINDS.....SOUTHWEST 25 TO 33 MPH...INCREASING TO 33 TO 37 MPH IN THE AFTERNOON. SMOKE DISPERSAL.....POOR TO POOR (1500-2100 KNOT-FT). TIME (EST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).............28 23 21 19 17 14 12 10 9 9 8 8 WEATHER COV......... WEATHER TYPE........ TSTM COV............ TEMP................37 38 39 41 43 44 44 45 45 45 45 45 RH..................70 73 73 70 70 68 68 65 68 70 73 76 20 FT WIND DIR......SW SW SW SW SW SW SW SW SW SW SW SW 20 FT WIND SPD......7 8 9 10 11 12 13 14 14 13 13 12 20 FT WIND GUST.....15 15 15 20 20 20 25 25 25 25 25 20 MIX HGT (KFT).......0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 TRANSP WIND DIR.....SW SW SW SW SW SW SW SW SW SW SW SW TRANSP WIND SPD.....25 28 29 30 32 33 35 37 36 35 35 33 LVORI...............3 3 3 3 3 3 3 1 3 3 3 3 ADI.................17 25 26 27 29 30 38 40 39 38 38 37 CWR.................0 0 0 0 0 0 0 0 0 0 0 0 VRATE KT-FT/1000....2 2 2 2 2 2 2 2 2 2 2 2 $$ FORECASTER...SIPPRELL REQUESTED BY...JUSTIN DEFOREST TYPE OF REQUEST...PRESCRIBED .TAG 20120306.SPVC_.01/BOX