FNUS71 KBOX 011129 FWSBOX SPOT FORECAST FOR DCR RX CORRELLUS SF UNIT NE...DCR NATIONAL WEATHER SERVICE TAUNTON MA 729 AM EDT SUN MAY 1 2011 FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON MAY 01. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... WILL SEE NORTHEAST TRANSPORT WINDS ACROSS MARTHAS VINEYARD TODAY AROUND 15 TO 20 MPH WITH RELATIVE HUMIDITY VALUES AROUND 80 PERCENT DURING IGNITION TIME AND MIXING DOWN TO AROUND 70 PERCENT BY THE END OF THE DAY. WITH MIXING HEIGHTS UP TO SEVERAL HUNDRED FEET AGL DURING THE MORNING...MIXING UP TO ABOUT 2KFT AGL BY AFTERNOON...WILL SEE VENTILATION RATES IMPROVE FROM POOR TO FAIR CONDITION. OUTLOOK... AN AREA OF LOW PRESSURE WILL INFLUENCE THE REGIONS WEATHER BEGINNING LATE MONDAY. EXPECT MUCH OF MONDAY AND TUESDAY TO REMAIN FAIRLY DRY. THE GREATEST PROBABILITY OF WET WEATHER IS EXPECTED FOR MARTHAS VINEYARD BY WEDNESDAY INTO THURSDAY AS A COLD FRONT SLIDES THROUGH THE REGION AND SOUTHEAST WINDS BACK OUT OF THE SOUTHWEST...GRADUALLY SHIFTING OUT OF THE NORTHWEST. EXPECT A MUCH COOLER AND DAMP SCENARIO INTO THE END OF THE WEEK AND PERHAPS INTO THE WEEKEND. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. TEMPERATURE.........43 AT IGNITION...MAX 49. RH..................89 PERCENT AT IGNITION...MIN 68 PERCENT. WIND (20 FT)........WINDS NORTHEAST AT 13 MPH AT IGNITION... OTHERWISE NORTHEAST WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH. CWR.................0 PERCENT. SMOKE DISPERSAL.....POOR /6000 KNOT-FT/ AT IGNITION. MAX...GOOD /41400 KNOT-FT/. TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).............7 9 49 50 50 50 18 18 17 WEATHER COV......... WEATHER TYPE........ TEMP................43 44 44 45 45 46 47 48 48 RH..................89 86 86 79 79 73 71 68 71 20 FT WIND DIR......NE NE NE NE NE NE NE NE NE 20 FT WIND SPD......10 10 11 11 11 12 10 10 9 20 FT WIND GUST.....20 20 20 25 25 30 30 30 30 CWR.................0 0 0 0 0 0 0 0 0 VRATE KT-FT/1000....6 10 14 18 22 27 32 37 41 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. PATCHY FOG AFTER MIDNIGHT. TEMPERATURE.........MIN 41. RH..................MAX 89 PERCENT. WIND (20 FT)........NORTHEAST WINDS 5 TO 10 MPH WITH GUSTS UP TO 20 MPH IN THE EVENING...BECOMING LIGHT AND VARIABLE... THEN BECOMING NORTH AROUND 5 MPH LATE. CWR.................0 PERCENT. SMOKE DISPERSAL.....POOR TO FAIR (300-25200 KNOT-FT). TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).............17 16 15 15 14 13 12 11 10 11 12 13 WEATHER COV......... PTY WEATHER TYPE........ FOG TEMP................47 45 43 42 42 42 42 41 41 41 41 41 RH..................71 76 82 82 82 82 82 85 89 85 85 85 20 FT WIND DIR......NE NE NE NE NE NE N N N N N N 20 FT WIND SPD......8 6 6 5 5 4 3 3 2 3 3 4 20 FT WIND GUST.....20 15 10 10 10 5 5 5 5 5 5 10 CWR.................0 0 0 0 0 0 0 0 0 0 0 0 VRATE KT-FT/1000....25 12 1 1 1 1 1 1 0 0 1 1 $$ FORECASTER...SIPPRELL REQUESTED BY...DAVE CELINO TYPE OF REQUEST...PRESCRIBED .TAG 20110501.DCRRX.01/BOX