Spot Forecast
Issued by NWS Boston, MA

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FNUS71 KBOX 261153
FWSBOX

Spot Forecast for Frances_Crane_Rx_20250226...MassWildlife
National Weather Service Boston/Norton MA
653 AM EST Wed Feb 26 2025

Forecast is based on ignition time of 0700 EST on February 26.
If conditions become unrepresentative, contact the National
Weather Service.

.DISCUSSION...

Mainly sunny with no precipitation expected today. Min RH will be
around 50-60%. NW winds 5-10 mph early this morning, increasing
after 10/11 AM to 8-14 mph with gusts up to 20-25 mph through mid
afternoon. Winds gradually decrease after 3-4 PM. Smoke dispersal
expected to be good to excellent this afternoon.

Rain moves in after midnight tonight.


.OUTLOOK...Thursday through Monday...

Above normal temperatures are anticipated Thursday with highs
mainly in the upper 40s to the middle 50s. Widespread rain
showers Thursday, moving out Thursday night. Colder and windier weather
returns Friday. A weak storm system may bring a chance for wintry
weather across northern MA early Sat through Sun. Below normal
temperatures Sunday and Monday.

.REST OF TODAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Max temperature.....Around 49.
Min humidity........50 percent.
Dewpoint............32.
Min apparent temp...29.
Surface winds (mph).Northwest winds 8 to 14 mph.
Wind (20 ft)........Northwest winds 8 to 14 mph.
Mixing height.......3900 ft AGL.
Transport winds.....Northwest 14 to 23 mph.
Smoke dispersal.....Poor (5500 knot-ft) early in the morning
                    increasing to excellent (74700 knot-ft) in the
                    afternoon.
LVORI...............3.
ADI.................16 increasing to 28 early, then increasing to
                    51 late in the morning increasing to 65 to 68
                    decreasing to 56 to 60 increasing to 72 late in
                    the afternoon decreasing to 48 decreasing to 9
                    late in the afternoon.
CEILING (KFT).......25.

TIME (EST)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........20  15  10  5   5   6   6   9   12  15  15
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0
Temp............35  38  42  44  46  48  49  49  48  47  44
Dewpoint........33  33  32  32  32  31  31  31  31  31  31
RH..............92  82  67  62  58  51  50  50  51  53  60
Heat index (F)..29  31  36  38  40  42  44  44  43  42  39
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  W   W   W
20 FT wind spd..8   10  12  13  13  14  14  14  13  12  9
20 FT wind gust.16  18  21  23  23  23  23  23  20  18  17
Surface wnd dir.NW  NW  NW  NW  NW  NW  NW  NW  W   W   W
Surface wnd spd.8   10  12  13  13  14  14  14  13  12  9
Surface wnd gst.16  18  21  23  23  23  23  23  20  18  17
Mix hgt (kft)...0.4 1.1 1.8 2.5 2.8 3.5 3.9 3.9 3.5 2.4 1.0
Transp wind dir.NW  NW  NW  NW  NW  NW  NW  NW  NW  W   W
Transp wind spd.15  20  23  23  22  22  22  22  21  17  14
LVORI...........5   3   1   1   1   1   1   1   1   1   3
ADI.............16  28  51  65  68  56  60  59  72  48  9
Vrate kt-ft/1K..6   20  35  49  54  66  75  73  63  36  12
Ventrate Cat....PR  PR  PR  FR  FR  GD  GD  GD  GD  PR  PR
Ceiling (kft)...25  25  25  25  25  25  25  25  25  25  25

.TONIGHT...

Sky/weather.........Mostly clear then becoming mostly cloudy.
                    Slight chance of rain early in the morning.
                    Chance of rain early in the morning.
CWR.................0 percent increasing to 11 percent after
                    midnight.
Min temperature.....Around 33.
Max humidity........92 percent.
Dewpoint............31.
Min apparent temp...32.
Surface winds (mph).West winds 5 to 7 mph early in the evening
                    becoming light, then becoming southeast around
                    5 mph early in the morning.
Wind (20 ft)........West winds 5 to 7 mph early in the evening
                    becoming light, then becoming southeast around
                    5 mph early in the morning.
Mixing height.......300 ft AGL.
Transport winds.....West 6 to 13 mph shifting to the south early in
                    the morning.
Smoke dispersal.....Poor (1600 knot-ft).
LVORI...............5.
ADI.................3 to 8.
CEILING (KFT).......25 decreasing to 5.0.

TIME (EST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........15  15  34  54  73  76  79  82  85  88  91  92
Weather cov.....                                    SCH CHC CHC
Weather type....                                    RN  RN  RN
Tstm cov........
CWR.............0   0   0   0   0   0   0   10  10  10  10  10
Temp............41  39  37  37  36  35  35  35  34  35  35  36
Dewpoint........31  31  31  30  30  30  30  30  31  31  32  33
RH..............67  73  79  75  79  82  82  82  89  85  89  89
Heat index (F)..36  36  34  37  36  35  35  35  34  35  35  32
20 FT wind dir..W   W   W   W   W   W   SW  SW  S   S   SE  SE
20 FT wind spd..7   5   3   2   2   2   2   2   2   2   2   5
20 FT wind gust.12  10  9   8   7   6   6   6   6   7   8   10
Surface wnd dir.W   W   W   W   W   W   SW  SW  S   S   SE  SE
Surface wnd spd.7   5   3   2   2   2   2   2   2   2   2   5
Surface wnd gst.12  10  9   8   7   6   6   6   6   7   8   10
Mix hgt (kft)...0.7 0.7 0.5 0.4 0.4 0.4 0.3 0.3 0.3 0.3 0.4 0.4
Transp wind dir.W   NW  NW  NW  W   NW  W   SW  SW  S   S   S
Transp wind spd.13  13  10  8   8   6   6   6   6   7   9   13
LVORI...........3   3   4   4   4   5   5   5   6   5   6   5
ADI.............6   6   5   4   4   3   3   3   3   3   4   8
Vrate kt-ft/1K..8   8   5   3   3   2   2   2   2   2   3   4
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR
Ceiling (kft)...25  25  25  25  25  25  25  11  10  7.0 6.0 5.0

.THURSDAY...

Sky/weather.........Cloudy. Chance of rain until late afternoon,
                    then rain likely late in the afternoon. Chance
                    of rain late in the afternoon.
CWR.................11 percent increasing to 80 percent.
Max temperature.....Around 48.
Min humidity........83 percent.
Dewpoint............35 increasing to 44.
Min apparent temp...31.
Surface winds (mph).South winds 6 to 15 mph increasing to 15 to 18
                    mph with gusts to around 30 mph early.
Wind (20 ft)........South winds 7 to 18 mph shifting to the
                    southwest 15 to 18 mph with gusts to around 30
                    mph in the afternoon.
Mixing height.......1400 ft AGL.
Transport winds.....South 15 to 23 mph shifting to the southwest 24
                    to 31 mph in the late morning and afternoon.
Smoke dispersal.....Poor (5100 knot-ft) early in the morning
                    increasing to good (36800 knot-ft) in the
                    afternoon.
LVORI...............5.
ADI.................10 to 18 increasing to 20 to 27 early, then
                    increasing to 34 to 43 increasing to 39 to 48
                    in the afternoon decreasing to 22.
CEILING (KFT).......4.0 decreasing to 3.0 early in the morning,
                    then decreasing to 2.5 early decreasing to 2.0
                    decreasing to 1.5 decreasing to 1.0 early in
                    the afternoon increasing to 4.0 decreasing to
                    2.0 late in the afternoon decreasing to 1.5.

TIME (EST)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........94     95     96     94     94     95
Weather cov.....CHANCE CHANCE CHANCE CHANCE CHANCE LIKELY
Weather type....RAIN   RAIN   RAIN   RAIN   RAIN   RAIN
Tstm cov........
CWR.............10     30     30     30     80     80
Temp............36     39     44     47     48     46
Dewpoint........33     37     40     43     43     44
RH..............89     92     86     86     83     93
Heat index (F)..31     33     37     40     41     39
20 ft wind......S 6    S 9    S 15   S 17   S 18   SW 17
20 ft wind gust.13     18     25     28     29     28
Surface wind....S 6    S 9    S 15   S 17   S 18   SW 17
Surface wnd gst.13     18     25     28     29     28
Mix hgt (ft)....400    800    1100   1200   1300   1300
Transport wind..S 15   SE 18  S 25   S 30   SW 30  SW 26
LVORI...........5      5      4      4      4      4
ADI.............10     20     34     43     45     39
Vrate kt-ft/1K..5      12     24     32     35     29
Ventrate Cat....POOR   POOR   POOR   POOR   POOR   POOR
Ceiling (kft)...4.0    2.5    2.0    1.0    4.5    2.0

$$
Forecaster...Mensch
Requested by...Alex Entrup
Type of request...PRESCRIBED
.TAG 2503974.0/BOX
.DELDT 02/26/25
.FormatterVersion 2.0.0
.EMAIL alex.entrup@mass.gov