403
FNUS71 KBOX 051844
FWSBOX

Spot Forecast for Ashfield Brushfire john ford rd...Dcr fire control
National Weather Service Boston/Norton MA
244 PM EDT Tue May 5 2026

Forecast is based on forecast start time of 1500 EDT on May 05.
If conditions become unrepresentative, contact the National
Weather Service.

.DISCUSSION...
Mainly dry with gusty southwest winds. Low risk for a shower or
thunderstorm between 6 PM and 10 PM. Gusty winds continue
overnight, but are expected to decrease in speed after sunset.
More widespread showers should arrive towards Wednesday afternoon.

.REST OF TODAY...

Sky/weather.........Mostly sunny.
CWR.................4 percent.
Max temperature.....Around 77.
Min humidity........35 percent.
Dewpoint............47.
Max apparent temp...77.
Surface winds (mph).Southwest winds 14 to 15 mph with gusts to
                    around 35 mph.
Wind (20 ft)........Southwest winds 14 to 15 mph with gusts to
                    around 35 mph.
Mixing height.......7700 ft AGL.
Transport winds.....Southwest 37 to 38 mph.
Smoke dispersal.....Excellent (237300 knot-ft).
LVORI...............1.
ADI.................105.
CEILING (KFT).......20.
Eye level winds.....Southwest winds 8 to 9 mph with gusts to around
                    21 mph.

TIME (EDT)      3PM 4PM 5PM
Sky (%).........33  39  52
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0
Temp............76  76  77
Dewpoint........48  47  47
RH..............37  36  35
Heat index (F)..76  76  77
20 FT wind dir..SW  SW  SW
20 FT wind spd..15  15  14
20 FT wind gust.35  35  32
Eye lvl wnd dir.SW  SW  SW
Eye lvl wnd spd.9   9   8
Eye lvl wnd gst.21  21  19
Surface wnd dir.SW  SW  SW
Surface wnd spd.15  15  14
Surface wnd gst.35  35  32
Mix hgt (kft)...7.7 7.6 7.2
Transp wind dir.SW  SW  SW
Transp wind spd.37  38  38
LVORI...........1   1   1
ADI.............105 105 105
Vrate kt-ft/1K..246 250 237
Ventrate Cat....EXL EXL EXL
Ceiling (kft)...20  20  20

.TONIGHT...

Sky/weather.........Mostly cloudy. Slight chance of rain showers
                    early in the evening. Chance of thunderstorms
                    early in the evening.
CWR.................7 percent.
Min temperature.....Around 53.
Max humidity........86 percent.
Dewpoint............48.
Max apparent temp...75.
Surface winds (mph).Southwest winds 7 to 13 mph. Gusts up to 30
                    mph.
Wind (20 ft)........Southwest winds 7 to 13 mph. Gusts up to 30
                    mph. Gusty and erratic winds expected near
                    thunderstorms early in the evening.
Mixing height.......300 ft AGL.
Transport winds.....Southwest 21 to 29 mph decreasing to 10 to 17
                    mph until just after midnight.
Smoke dispersal.....Excellent (89200 knot-ft) early in the evening
                    decreasing to poor (4000 knot-ft) late in the
                    night.
LVORI...............3.
ADI.................75 early in the evening decreasing to 7 late in
                    the night.
CEILING (KFT).......20 decreasing to 15 early in the evening, then
                    decreasing to 9.0 early decreasing to 8.0 late
                    in the evening increasing to 9.0 increasing to
                    10 increasing to 15 increasing to 20 after
                    midnight decreasing to 13 decreasing to 10
                    early in the morning.
Eye level winds.....Southwest winds up to 8 mph. Gusts up to 30
                    mph.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........68  74  81  86  85  89  81  76  75  69  66  67
Weather cov.....    SCH SCH
Weather type....    RW  RW
Tstm cov........    CHC
CWR.............10  10  10  10  10  10  0   0   0   0   0   0
Temp............75  73  69  65  62  61  60  58  57  56  55  55
Dewpoint........47  49  49  49  49  48  49  49  48  48  49  48
RH..............37  43  49  56  62  62  67  72  72  74  80  77
Heat index (F)..75  73  69  65  62  61  60  58  57  56  55  55
20 FT wind dir..SW  S   S   S   S   SW  SW  SW  S   SW  S   S
20 FT wind spd..13  10  9   8   8   7   7   7   7   7   7   7
20 FT wind gust.30  25  20  20  18  17  17  17  16  17  17  17
Eye lvl wnd dir.SW  S   S   S   S   SW  SW  SW  S   SW  S   S
Eye lvl wnd spd.8   6   5   5   5   4   4   4   4   4   4   4
Eye lvl wnd gst.18  15  12  12  11  10  10  10  10  10  10  10
Surface wnd dir.SW  S   S   S   S   SW  SW  SW  S   SW  S   S
Surface wnd spd.13  10  9   8   8   7   7   7   7   7   7   7
Surface wnd gst.30  25  20  20  18  17  17  17  16  17  17  17
Mix hgt (kft)...3.6 1.1 0.7 0.5 0.3 0.4 0.4 0.4 0.5 0.6 0.5 0.7
Transp wind dir.SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
Transp wind spd.29  21  17  16  15  15  13  10  10  12  12  13
LVORI...........1   2   2   2   2   3   3   3   3   4   4   4
ADI.............75  29  15  14  13  10  8   7   7   8   8   8
Vrate kt-ft/1K..89  20  10  7   5   6   5   4   4   6   5   7
Ventrate Cat....GD  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR
Ceiling (kft)...20  15  9.0 8.0 9.0 9.0 10  15  20  20  13  10

$$
Forecaster...Belk
Requested by...State firefighter 2 Zachary Favreau
Type of request...WILDFIRE
.TAG 2612814.0/BOX
.DELDT 05/05/26
.FormatterVersion 2.0.0
.EMAIL favreauzj10@gmail.com