Suppression Forecast
Issued by NWS Boston, MA

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FNUS71 KBOX 071220
FWSBOX

Spot Forecast for Mashpee...Mass DCR
National Weather Service Boston/Norton MA
820 AM EDT Mon Apr 7 2025

Forecast is based on ignition time of 0800 EDT on April 10.
If conditions become unrepresentative, contact the National
Weather Service.

.DISCUSSION...


Thursday will feature increasing clouds as an area of low pressure
approaches from the west. South winds will start light and then
increase to between 9 and 13 mph with gusts up to 18 mph by the
afternoon. Rain shower chances increase Thursday night into
Friday but a widespread rainfall is not expected at this time.
Winds will shift to the southeast and remain fairly steady between
5 and 10 mph with gusts up to 15 mph.

Minimum relative humidity values will be around 40-50 percent
Thursday, increasing to near 70 percent on Friday.


.THURSDAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
Max temperature.....Around 48.
Min humidity........51 percent.
Dewpoint............27 increasing to 31 in the afternoon.
Min apparent temp...36.
Surface winds (mph).Light winds becoming south 5 to 12 mph in the
                    late morning and afternoon.
Wind (20 ft)........Light winds becoming south 5 to 12 mph in the
                    late morning and afternoon.
Mixing height.......4100 ft AGL.
Transport winds.....Southwest 7 to 16 mph increasing to around 17
                    mph late in the afternoon.
Smoke dispersal.....Poor (5400 knot-ft) early in the morning
                    increasing to excellent (61600 knot-ft) in the
                    afternoon.
LVORI...............MISSING.
ADI.................MISSING.
CEILING (KFT).......13 decreasing to 7.0.

TIME (EDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........21  26  30  34  41  48  54  56  58  60
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0
Temp............38  41  44  46  47  47  47  47  47  46
Dewpoint........25  26  28  29  30  31  32  32  32  32
RH..............59  55  53  51  51  53  56  56  56  58
Heat index (F)..36  38  41  42  43  42  42  42  43  42
20 FT wind dir..S   S   S   S   S   S   S   S   S   S
20 FT wind spd..3   5   6   7   8   10  12  10  9   8
20 FT wind gust.8   9   12  13  14  16  17  16  16  15
Surface wnd dir.S   S   S   S   S   S   S   S   S   S
Surface wnd spd.3   5   6   7   8   10  12  10  9   8
Surface wnd gst.8   9   12  13  14  16  17  16  16  15
Mix hgt (kft)...0.9 1.9 2.9 3.9 4.0 4.0 4.1 3.7 3.4 3.0
Transp wind dir.S   S   SW  SW  SW  SW  SW  SW  S   S
Transp wind spd.7   9   13  15  16  16  17  17  17  17
LVORI...........M   M   M   M   M   M   M   M   M   M
ADI.............M   M   M   M   M   M   M   M   M   M
Vrate kt-ft/1K..5   15  32  51  56  57  62  56  50  45
Ventrate Cat....PR  PR  PR  FR  FR  FR  GD  FR  FR  FR
Ceiling (kft)...15  15  13  12  10  9.0 7.0 7.0 7.0 7.0

.THURSDAY NIGHT...

Sky/weather.........Mostly cloudy. Slight chance of rain showers in
                    the late evening and overnight. Chance of rain
                    showers early in the morning.
CWR.................0 percent.
Min temperature.....Around 40.
Max humidity........89 percent.
Dewpoint............34 increasing to 38 early in the morning.
Min apparent temp...38.
Surface winds (mph).South winds 6 to 7 mph shifting to the
                    southeast around 6 mph early in the morning.
Wind (20 ft)........Southeast winds 6 to 7 mph.
Mixing height.......700 ft AGL.
Transport winds.....South 13 to 16 mph.
Smoke dispersal.....Good (35000 knot-ft) early in the evening
                    decreasing to poor (9000 knot-ft) late in the
                    night.
LVORI...............MISSING.
ADI.................MISSING.
CEILING (KFT).......7.0 increasing to 8.0 after midnight, then
                    decreasing to 7.0 early in the morning
                    decreasing to 6.0 early in the morning
                    decreasing to 5.0.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........64  69  73  76  80  83  84  85  86  85  85  84
Weather cov.....            SCH SCH SCH SCH SCH SCH SCH SCH CHC
Weather type....            RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............45  43  42  42  42  42  42  42  42  42  43  43
Dewpoint........32  33  33  34  34  35  36  36  37  38  38  39
RH..............60  67  70  73  73  76  79  79  82  86  82  86
Heat index (F)..41  39  38  38  38  38  38  38  38  38  39  39
20 FT wind dir..S   S   S   S   S   S   S   SE  SE  SE  SE  SE
20 FT wind spd..7   7   6   6   6   6   6   6   6   6   6   6
20 FT wind gust.14  14  13  13  13  13  13  13  13  13  14  14
Surface wnd dir.S   S   S   S   S   S   S   SE  SE  SE  SE  SE
Surface wnd spd.7   7   6   6   6   6   6   6   6   6   6   6
Surface wnd gst.14  14  13  13  13  13  13  13  13  13  14  14
Mix hgt (kft)...2.5 2.0 1.5 1.5 1.4 1.3 1.3 1.2 1.2 1.0 0.9 0.7
Transp wind dir.S   S   S   S   S   S   S   S   SE  SE  SE  SE
Transp wind spd.16  14  13  13  14  14  14  15  15  15  14  14
LVORI...........M   M   M   M   M   M   M   M   M   M   M   M
ADI.............M   M   M   M   M   M   M   M   M   M   M   M
Vrate kt-ft/1K..35  24  17  16  17  16  15  16  15  13  11  9
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR
Ceiling (kft)...7.0 7.0 7.0 7.0 7.0 7.0 8.0 8.0 8.0 7.0 6.0 5.0

.FRIDAY...

Sky/weather.........Mostly cloudy. Chance of rain showers.
CWR.................0 percent increasing to 33 percent late in the
                    afternoon.
Max temperature.....Around 51.
Min humidity........74 percent.
Dewpoint............41.
Min apparent temp...39.
Surface winds (mph).Southeast winds 6 to 12 mph.
Wind (20 ft)........Southeast winds 6 to 12 mph.
Mixing height.......1300 ft AGL.
Transport winds.....Southeast 15 to 22 mph.
Smoke dispersal.....Poor (9000 knot-ft) early in the morning
                    increasing to fair (24200 knot-ft) in the
                    afternoon.
LVORI...............MISSING.
ADI.................MISSING.
CEILING (KFT).......5.0 decreasing to 3.0.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........83  81  80  79  78  77  77  77  76  77  77  77
Weather cov.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   30  30  30  30
Temp............43  44  45  47  48  50  51  51  51  51  50  49
Dewpoint........40  40  41  42  42  43  43  43  43  43  43  42
RH..............89  86  86  83  80  77  74  74  74  74  77  77
Heat index (F)..39  40  41  43  44  46  51  51  51  51  46  45
20 FT wind dir..SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..6   7   7   8   9   10  10  12  12  10  10  9
20 FT wind gust.14  15  15  16  17  18  18  18  18  17  17  16
Surface wnd dir.SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
Surface wnd spd.6   7   7   8   9   10  10  12  12  10  10  9
Surface wnd gst.14  15  15  16  17  18  18  18  18  17  17  16
Mix hgt (kft)...0.7 0.7 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.2 1.1 1.0
Transp wind dir.SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
Transp wind spd.15  15  16  18  20  22  22  22  22  21  21  20
LVORI...........M   M   M   M   M   M   M   M   M   M   M   M
ADI.............M   M   M   M   M   M   M   M   M   M   M   M
Vrate kt-ft/1K..9   9   9   13  15  19  21  23  24  21  20  17
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR
Ceiling (kft)...5.0 4.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0

$$
Forecaster...FT
Requested by...Josh Nigro
Type of request...PRESCRIBED
.TAG 2508929.0/BOX
.DELDT 04/07/25
.FormatterVersion 2.0.0
.EMAIL Josh.Nigro@Mass.Gov