Spot Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
923 FNUS71 KBOX 110414 FWSBOX Spot Forecast for Richardson WMA Rx Burn...MassWildlife National Weather Service Boston/Norton MA 1214 AM EDT Tue Jun 11 2024 Forecast is based on ignition time of 0600 EDT on June 11. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... Plenty of sunshine on tap for today, but we will see some scattered diurnal clouds developing later in the morning and especially by afternoon. Mainly dry weather is expected, but a brief spot shower can not be ruled out this afternoon. Highs will be in the middle to upper 70s with light west winds. Minimum afternoon relative humidity values are expected to drop to between 45 and 55 percent. .TODAY... Sky/weather.........Mostly sunny. Slight chance of rain showers early in the afternoon. Chance of rain showers late in the afternoon. CWR.................0 percent. Max temperature.....Around 75. Min humidity........51 percent. Dewpoint............52. Max apparent temp...72. Surface winds (mph).Light winds becoming west around 5 mph early, then becoming light late in the afternoon. Wind (20 ft)........Light winds becoming west around 5 mph early, then becoming light late in the afternoon. Mixing height.......5600 ft AGL. Transport winds.....Northwest 5 to 7 mph. Smoke dispersal.....Poor (2700 knot-ft) early in the morning increasing to fair (25900 knot-ft) in the afternoon. LVORI...............4. ADI.................4 to 9 increasing to 16 early, then increasing to 26 to 29 late in the morning increasing to 36 to 37 early decreasing to 20 to 29 increasing to 27 to 31 late in the afternoon. Haines Index........4 or low potential for large plume dominated fire growth. CEILING (KFT).......13 increasing to 20 in the morning, then decreasing to 8.0 decreasing to 6.0 early decreasing to 4.5. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........26 23 29 29 33 33 41 51 59 56 56 51 Weather cov..... SCH CHC CHC CHC CHC Weather type.... RW RW RW RW RW Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Temp............51 54 59 62 65 67 69 70 71 72 72 72 Dewpoint........50 52 53 53 53 53 53 53 53 53 54 54 RH..............96 93 80 72 65 61 57 55 53 51 53 53 Heat index (F)..51 54 59 62 65 67 69 70 71 72 72 72 20 FT wind dir..W NW NW NW NW W W W W W W W 20 FT wind spd..3 3 3 3 3 5 5 5 3 3 2 3 20 FT wind gust.7 10 8 7 8 8 7 7 7 7 6 6 Surface wnd dir.W NW NW NW NW W W W W W W W Surface wnd spd.3 3 3 3 3 5 5 5 3 3 2 3 Surface wnd gst.7 10 8 7 8 8 7 7 7 7 6 6 Mix hgt (kft)...0.7 1.3 1.8 2.9 3.9 5.0 5.2 5.4 5.6 5.1 4.5 4.0 Transp wind dir.NW NW NW NW NW W W W W W NW NW Transp wind spd.5 6 7 7 6 6 6 5 5 5 6 6 LVORI...........6 4 3 3 2 1 1 2 2 2 1 2 ADI.............4 9 16 26 29 36 37 20 29 27 31 27 Haines index....4 4 4 4 4 4 4 4 4 4 4 4 Vrate kt-ft/1K..3 6 11 17 20 25 26 22 23 20 23 20 Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR Ceiling (kft)...13 20 20 20 8.0 6.0 4.5 5.0 5.0 5.0 5.0 4.5 .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of rain showers early in the evening. CWR.................0 percent. Min temperature.....Around 55. Max humidity........96 percent. Dewpoint............55. Max apparent temp...70. Surface winds (mph).Light winds. Wind (20 ft)........Light winds. Mixing height.......200 ft AGL. Transport winds.....Northwest 2 to 5 mph shifting to the north around 2 mph early in the morning. Smoke dispersal.....Poor (400 knot-ft). LVORI...............5. ADI.................14 to 19 decreasing to 1 to 2 until just after midnight. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. CEILING (KFT).......5.0 increasing to 6.0 early in the evening, then increasing to 7.0 early increasing to 8.0 late in the evening decreasing to 7.0 increasing to 8.0 after midnight decreasing to 7.0. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........40 38 36 31 35 34 25 21 18 16 18 21 Weather cov.....SCH Weather type....RW Tstm cov........ CWR.............0 0 0 0 0 0 0 0 0 0 0 0 Temp............70 69 67 63 61 60 59 58 57 56 56 55 Dewpoint........55 56 57 56 56 56 56 55 55 54 54 54 RH..............59 63 70 78 84 87 90 90 93 93 93 96 Heat index (F)..70 69 67 63 61 60 59 58 57 56 56 55 20 FT wind dir..W W W W W W W NW NW NW NW NW 20 FT wind spd..3 3 2 1 1 2 2 2 2 2 2 1 20 FT wind gust.6 6 6 5 5 3 5 5 5 5 5 5 Surface wnd dir.W W W W W W W NW NW NW NW NW Surface wnd spd.3 3 2 1 1 2 2 2 2 2 2 1 Surface wnd gst.6 6 6 5 5 3 5 5 5 5 5 5 Mix hgt (kft)...3.1 2.3 1.5 1.1 0.7 0.4 0.3 0.3 0.3 0.3 0.2 0.2 Transp wind dir.W W W W W NW NW NW NW NW N N Transp wind spd.5 5 3 3 2 2 2 2 2 2 2 2 LVORI...........2 2 3 3 3 4 5 5 5 6 7 6 ADI.............19 14 2 2 1 1 1 1 1 1 1 2 Haines index....4 4 4 4 4 4 4 3 3 3 4 4 Vrate kt-ft/1K..13 9 4 3 2 1 1 1 1 1 1 0 Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR Ceiling (kft)...5.0 6.0 7.0 8.0 8.0 7.0 7.0 8.0 8.0 8.0 8.0 7.0 $$ Forecaster...Frank Requested by...Ben Mazzei Type of request...PRESCRIBED .TAG 2415905.0/BOX .DELDT 06/11/24 .FormatterVersion 2.0.0 .EMAIL ben.mazzei@mass.gov