Suppression Forecast
Issued by NWS Boston, MA
Issued by NWS Boston, MA
822
FNUS71 KBOX 110817
FWSBOX
Spot Forecast for Fort Hill Rx...NPS
National Weather Service Boston/Norton MA
417 AM EDT Tue Mar 11 2025
Forecast is based on ignition time of 0800 EDT on March 11.
If conditions become unrepresentative, contact the National
Weather Service.
.DISCUSSION...
Breezy and rather mild today ahead of a cold front. South winds
will gusts up to 25 mph. A cold front moves through tonight
followed by cooler conditions with less wind Wednesday.
Minimum afternoon relative humidity values expected to be between
55-60 percent today and Wednesday.
.TODAY...
Sky/weather.........Sunny.
CWR.................0 percent.
Max temperature.....Around 51.
Min humidity........61 percent.
Dewpoint............36.
Min apparent temp...35.
Surface winds (mph).South winds 6 to 10 mph.
Wind (20 ft)........South winds 6 to 10 mph.
Mixing height.......600 ft AGL.
Transport winds.....South 16 to 22 mph.
Smoke dispersal.....Poor (6000 knot-ft).
LVORI...............3.
ADI.................16 to 19.
CEILING (KFT).......25.
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........4 4 5 9 10 13 14 15 19 21
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0
Temp............39 41 45 47 49 50 50 50 49 48
Dewpoint........36 36 37 37 37 37 37 37 37 37
RH..............89 82 73 68 63 61 61 61 63 65
Heat index (F)..35 36 41 43 45 46 46 46 45 44
20 FT wind dir..S S S S S S S S S S
20 FT wind spd..6 7 7 8 9 9 9 10 9 9
20 FT wind gust.13 15 16 16 18 18 20 20 20 18
Surface wnd dir.S S S S S S S S S S
Surface wnd spd.6 7 7 8 9 9 9 10 9 9
Surface wnd gst.13 15 16 16 18 18 20 20 20 18
Mix hgt (kft)...0.4 0.5 0.5 0.6 0.6 0.6 0.6 0.6 0.6 0.6
Transp wind dir.S S S S S S S S S S
Transp wind spd.16 16 17 18 20 20 21 21 22 22
LVORI...........4 3 3 3 2 2 2 2 2 3
ADI.............19 19 19 19 16 16 17 17 17 18
Vrate kt-ft/1K..6 7 7 9 10 11 12 11 11 11
Ventrate Cat....PR PR PR PR PR PR PR PR PR PR
Ceiling (kft)...25 25 25 25 25 25 25 25 25 25
.TONIGHT...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
CWR.................0 percent.
Min temperature.....Around 34.
Max humidity........96 percent.
Dewpoint............38.
Min apparent temp...35.
Surface winds (mph).Southwest winds 6 to 8 mph shifting to the
northwest 7 to 8 mph with gusts to around 22
mph early in the morning.
Wind (20 ft)........South winds around 8 mph shifting to the
northwest 7 to 8 mph with gusts to around 22
mph early in the morning.
Mixing height.......400 ft AGL.
Transport winds.....Southwest 20 to 22 mph shifting to the
northwest around 18 mph early in the morning.
Smoke dispersal.....Fair (13800 knot-ft) early in the evening
decreasing to poor (6200 knot-ft) late in the
night.
LVORI...............4.
ADI.................10 to 16.
CEILING (KFT).......25 decreasing to 0.3.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........20 27 23 30 38 46 49 51 54 55 57 59
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Temp............46 44 43 43 43 43 41 41 41 41 41 40
Dewpoint........38 39 39 39 39 40 40 39 39 38 37 36
RH..............73 82 86 86 86 89 96 92 92 89 85 85
Heat index (F)..42 39 39 39 39 39 37 37 37 36 36 35
20 FT wind dir..S S S S SW SW SW SW W W NW NW
20 FT wind spd..8 8 7 7 7 6 6 6 6 7 7 8
20 FT wind gust.17 17 17 15 15 15 15 15 15 17 20 22
Surface wnd dir.S S S S SW SW SW SW W W NW NW
Surface wnd spd.8 8 7 7 7 6 6 6 6 7 7 8
Surface wnd gst.17 17 17 15 15 15 15 15 15 17 20 22
Mix hgt (kft)...0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.4 0.5 0.7 0.9
Transp wind dir.S S S S SW SW SW SW W W NW NW
Transp wind spd.21 22 22 21 22 21 21 20 17 16 17 18
LVORI...........3 4 5 5 5 5 5 5 5 5 4 4
ADI.............15 15 10 10 10 14 13 13 12 12 12 16
Vrate kt-ft/1K..10 10 10 9 10 9 9 8 6 7 10 14
Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR
Ceiling (kft)...25 20 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
.WEDNESDAY...
Sky/weather.........Mostly sunny.
CWR.................0 percent.
Max temperature.....Around 42.
Min humidity........59 percent.
Dewpoint............33 decreasing to 24.
Min apparent temp...29.
Surface winds (mph).North winds 7 to 12 mph. Gusts up to 23 mph
until late afternoon.
Wind (20 ft)........North winds 7 to 12 mph. Gusts up to 23 mph
until late afternoon.
Mixing height.......2300 ft AGL.
Transport winds.....North 21 to 28 mph decreasing to 17 to 18 mph
late in the afternoon.
Smoke dispersal.....Fair (17700 knot-ft) early in the morning
increasing to good (50000 knot-ft) in the
afternoon.
LVORI...............2.
ADI.................19 increasing to 32 early in the morning, then
increasing to 43 early increasing to 58 to 64
in the late morning and early afternoon
decreasing to 44 to 52.
CEILING (KFT).......4.5 decreasing to 3.0 early, then increasing to
5.0 late in the morning increasing to 6.0 early
increasing to 25 decreasing to 20 late in the
afternoon.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........55 51 47 40 33 26 20 13 7 14 21 27
Weather cov.....
Weather type....
Tstm cov........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
Temp............40 39 37 37 38 39 39 39 38 38 37 37
Dewpoint........35 33 31 30 29 28 28 27 27 26 25 24
RH..............82 79 79 75 70 64 64 62 64 62 61 59
Heat index (F)..34 32 29 29 31 32 32 32 31 32 31 32
20 FT wind dir..N N N N N N N N N N N N
20 FT wind spd..9 10 12 12 12 12 12 10 10 9 8 7
20 FT wind gust.22 23 23 23 23 23 22 22 21 18 17 15
Surface wnd dir.N N N N N N N N N N N N
Surface wnd spd.9 10 12 12 12 12 12 10 10 9 8 7
Surface wnd gst.22 23 23 23 23 23 22 22 21 18 17 15
Mix hgt (kft)...1.0 1.1 1.2 1.5 1.9 2.2 2.2 2.3 2.3 2.2 2.1 1.9
Transp wind dir.N N N N N N N N N N N N
Transp wind spd.21 24 28 26 26 26 25 23 22 21 18 17
LVORI...........3 3 3 3 3 1 1 1 1 1 1 1
ADI.............19 32 43 64 64 62 60 60 58 52 50 44
Vrate kt-ft/1K..18 23 29 36 43 50 49 45 44 39 33 29
Ventrate Cat....PR PR PR PR FR FR FR FR FR PR PR PR
Ceiling (kft)...4.5 4.5 3.0 5.0 5.0 6.0 25 25 25 20 20 20
$$
Forecaster...Belk
Requested by...Jordan Collier
Type of request...PRESCRIBED
.TAG 2505660.0/BOX
.DELDT 03/11/25
.FormatterVersion 2.0.0
.EMAIL jordan_collier@nps.gov