157
FNUS71 KBOX 231025
FWSBOX

Spot Forecast for DCR Fire Freetown Rx...MA DCR Fire
National Weather Service Boston/Norton MA
625 AM EDT Fri Oct 23 2026

Forecast is based on ignition time of 0700 EDT on October 23.
If conditions become unrepresentative, contact the National
Weather Service.

.DISCUSSION...

Post-Tropical Cyclone Josephine continues to move east into the
North Atlantic, allowing strong high pressure to build across
southern New England. Northerly winds remain elevated across eastern
coastal Massachusetts today, with gusts of 20 to 30 kt through this
afternoon. By Saturday, high pressure will be overhead, bringing light W to
WNW winds of 4 to 8 kt.

.REST OF TODAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Max temperature.....Around 54.
Min humidity........38 percent.
Dewpoint............30.
Min apparent temp...32.
Surface winds (mph).North winds 9 to 13 mph.
Wind (20 ft)........North winds 9 to 13 mph.
Mixing height.......3700 ft AGL.
Transport winds.....North 14 to 22 mph.
Smoke dispersal.....Poor (5100 knot-ft) early in the morning
                    increasing to excellent (67300 knot-ft) in the
                    afternoon.
LVORI...............3.
ADI.................15 early in the morning increasing to 57 in the
                    afternoon.
CEILING (KFT).......25.

TIME (EDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........2   2   2   2   2   2   1   1   1   1   1
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0
Temp............40  39  43  47  50  52  53  54  54  54  52
Dewpoint........32  32  32  31  31  31  30  30  30  29  29
RH..............73  76  65  53  48  44  41  40  40  38  41
Heat index (F)..33  32  37  42  45  52  53  54  54  54  52
20 FT wind dir..N   N   N   N   N   N   N   N   N   NE  NE
20 FT wind spd..10  10  12  12  13  13  13  13  12  10  9
20 FT wind gust.21  21  21  22  22  22  21  21  20  17  16
Surface wnd dir.N   N   N   N   N   N   N   N   N   NE  NE
Surface wnd spd.10  10  12  12  13  13  13  13  12  10  9
Surface wnd gst.21  21  21  22  22  22  21  21  20  17  16
Mix hgt (kft)...0.4 0.6 2.1 2.9 3.3 3.5 3.6 3.7 3.7 3.4 2.8
Transp wind dir.N   N   N   N   N   N   N   N   N   N   N
Transp wind spd.14  15  21  22  22  22  21  21  20  18  15
LVORI...........3   4   3   1   1   1   1   1   1   1   1
ADI.............15  16  41  51  55  57  54  55  52  47  35
Vrate kt-ft/1K..5   8   38  55  64  67  65  67  63  54  37
Ventrate Cat....PR  PR  PR  FR  GD  GD  GD  GD  GD  FR  PR
Ceiling (kft)...25  25  25  25  25  25  25  25  25  25  25

.TONIGHT...

Sky/weather.........Clear. Patchy frost early in the morning.
CWR.................0 percent.
Min temperature.....Around 31.
Max humidity........96 percent.
Dewpoint............29.
Min apparent temp...31.
Surface winds (mph).Northeast winds 5 to 8 mph early in the evening
                    becoming light.
Wind (20 ft)........Northeast winds around 8 mph shifting to the
                    north 5 to 6 mph early in the evening, then
                    becoming light in the late evening and
                    overnight.
Mixing height.......400 ft AGL.
Transport winds.....North 6 to 9 mph.
Smoke dispersal.....Poor (2000 knot-ft).
LVORI...............4.
ADI.................3 to 6.
CEILING (KFT).......23 decreasing to 21 early in the morning.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........1   1   1   1   0   0   1   1   2   3   4   5
Weather cov.....                                PTY PTY PTY PTY
Weather type....                                FST FST FST FST
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............49  45  42  40  40  39  38  37  36  35  35  34
Dewpoint........29  30  30  30  30  30  30  30  30  29  29  29
RH..............46  55  62  67  67  70  73  75  79  78  78  82
Heat index (F)..46  42  39  38  38  39  38  37  36  35  32  31
20 FT wind dir..NE  N   N   N   N   N   N   N   NW  NW  N   N
20 FT wind spd..8   6   5   3   3   2   2   2   2   2   3   3
20 FT wind gust.14  12  9   8   7   6   6   7   7   8   8   9
Surface wnd dir.NE  N   N   N   N   N   N   N   NW  NW  N   N
Surface wnd spd.8   6   5   3   3   2   2   2   2   2   3   3
Surface wnd gst.14  12  9   8   7   6   6   7   7   8   8   9
Mix hgt (kft)...0.8 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.N   N   N   NE  NE  N   N   N   N   N   N   N
Transp wind spd.9   7   6   6   6   7   7   7   7   8   8   8
LVORI...........2   3   3   3   3   3   3   4   4   4   4   5
ADI.............6   3   3   3   3   3   3   3   3   4   4   4
Vrate kt-ft/1K..7   3   2   2   2   3   2   2   2   3   3   3
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR
Ceiling (kft)...25  25  25  25  25  25  25  24  24  23  22  21

$$
Forecaster...BRW
Requested by...Aaron Whiddon
Type of request...PRESCRIBED
.TAG 2624404.0/BOX
.DELDT 10/23/26
.FormatterVersion 2.0.0
.EMAIL aaron.whiddon@mass.gov