Suppression Forecast
Issued by NWS Boston, MA

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974
FNUS71 KBOX 121145
FWSBOX

Spot Forecast for CPED-RX-GLU6-20250312-01...Massachusetts Army National Guard
National Weather Service Boston/Norton MA
745 AM EDT Wed Mar 12 2025

Forecast is based on ignition time of 0800 EDT on March 12.
If conditions become unrepresentative, contact the National
Weather Service.

.DISCUSSION...

Winds increase out of the north by mid-morning. N/NNE winds 12-15
mph with gusts up to 28 mph through early afternoon. Winds slowly
decrease through the afternoon becoming NE by 2PM at 12-15 mph
with gusts closer to 20 mph. Relative humidity values drop as low
as 44 percent early afternoon. Smoke dispersal improves to good by
early afternoon.

Light easterly winds overnight with the chance for a flurry/light
snow shower late evening through early Thursday morning. Dusting
of accumulation at most. East winds continue Thursday at 10-15
mph.


.REST OF TODAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
Max temperature.....Around 42.
Min humidity........44 percent.
Dewpoint............22.
Min apparent temp...29.
Surface winds (mph).Northeast winds 12 to 15 mph. Gusts up to 28
                    mph through early afternoon.
Wind (20 ft)........Northeast winds 12 to 15 mph. Gusts up to 28
                    mph through early afternoon.
Mixing height.......2500 ft AGL.
Transport winds.....Northeast 16 to 24 mph.
Smoke dispersal.....Fair (15300 knot-ft) early in the morning
                    increasing to good (52400 knot-ft) in the
                    afternoon.
LVORI...............2.
ADI.................24 increasing to 43 to 52 in the late morning
                    and early afternoon, then decreasing to 42 late
                    in the afternoon decreasing to 30 late in the
                    afternoon.
CEILING (KFT).......13 increasing to 25 early, then decreasing to
                    20 early in the afternoon decreasing to 15 late
                    in the afternoon.

TIME (EDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........52  55  40  20  11  19  15  17  43  51
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0
Temp............37  38  39  41  41  41  42  41  40  39
Dewpoint........24  24  23  23  22  22  22  21  21  21
RH..............59  57  52  48  46  46  44  44  46  48
Heat index (F)..29  30  31  33  33  33  35  34  33  32
20 FT wind dir..N   N   N   NE  NE  NE  NE  NE  NE  NE
20 FT wind spd..13  14  14  14  15  14  13  13  12  12
20 FT wind gust.28  26  25  24  22  20  18  18  17  16
Surface wnd dir.N   N   N   NE  NE  NE  NE  NE  NE  NE
Surface wnd spd.13  14  14  14  15  14  13  13  12  12
Surface wnd gst.28  26  25  24  22  20  18  18  17  16
Mix hgt (kft)...0.8 1.9 2.3 2.5 2.5 2.5 2.4 2.4 2.1 1.9
Transp wind dir.N   N   N   N   N   NE  NE  NE  NE  NE
Transp wind spd.21  23  23  24  22  20  18  17  16  16
LVORI...........2   1   1   1   1   1   1   1   1   1
ADI.............24  44  47  52  48  43  50  47  42  30
Vrate kt-ft/1K..15  39  45  52  48  43  38  35  30  27
Ventrate Cat....PR  PR  FR  FR  FR  FR  PR  PR  PR  PR
Ceiling (kft)...13  15  15  25  20  20  20  20  15  15

.TONIGHT...

Sky/weather.........Mostly cloudy. Slight chance of snow showers.
                    Slight chance of snow showers after midnight.
CWR.................0 percent.
Min temperature.....Around 29.
Max humidity........88 percent.
Dewpoint............23 increasing to 26 early in the morning.
Min apparent temp...25.
Surface winds (mph).East winds 5 to 9 mph.
Wind (20 ft)........East winds 5 to 9 mph.
Mixing height.......900 ft AGL.
Transport winds.....East 9 to 15 mph.
Smoke dispersal.....Fair (23400 knot-ft) early in the evening
                    decreasing to poor (7300 knot-ft) late in the
                    night.
LVORI...............3.
ADI.................8 to 17 decreasing to 6 to 8 around midnight.
CEILING (KFT).......12 decreasing to 9.0 early in the evening, then
                    decreasing to 7.0 early decreasing to 5.0
                    increasing to 6.0 increasing to 7.0 after
                    midnight decreasing to 5.0 increasing to 6.0
                    early in the morning decreasing to 3.0.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........70     82     94     94     92     90
Weather cov.....              S CHC  S CHC  S CHC
Weather type....NONE   NONE   SNSHWR SNSHWR SNSHWR NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Temp............37     33     32     32     32     32
Dewpoint........21     22     23     24     25     26
RH..............52     63     69     72     75     78
Heat index (F)..30     27     27     27     26     26
20 ft wind......NE 9   E 7    E 5    E 5    E 6    E 6
20 ft wind gust.14     13     9      9      9      12
Surface wind....NE 9   E 7    E 5    E 5    E 6    E 6
Surface wnd gst.14     13     9      9      9      12
Mix hgt (ft)....1700   1300   1300   1100   900    900
Transport wind..NE 15  NE 15  NE 12  NE 10  E 10   E 9
LVORI...........2      3      3      3      4      4
ADI.............17     10     8      7      7      6
Vrate kt-ft/1K..23     17     13     9      9      7
Ventrate Cat....POOR   POOR   POOR   POOR   POOR   POOR
Ceiling (kft)...12     7.0    7.0    6.0    7.0    6.0

.THURSDAY...

Sky/weather.........Mostly cloudy.
CWR.................0 percent.
Max temperature.....Around 43.
Min humidity........62 percent.
Dewpoint............30.
Min apparent temp...24.
Surface winds (mph).East winds 7 to 12 mph.
Wind (20 ft)........East winds 7 to 12 mph.
Mixing height.......2500 ft AGL.
Transport winds.....East 13 to 15 mph.
Smoke dispersal.....Poor (11200 knot-ft) early in the morning
                    increasing to good (32000 knot-ft) in the
                    afternoon.
LVORI...............3.
ADI.................9 to 18 increasing to 29 to 32.
CEILING (KFT).......3.5 decreasing to 2.5 early in the morning,
                    then decreasing to 2.0 early increasing to 3.0
                    late in the morning increasing to 5.0.

TIME (EDT)      6 AM         10 AM        2 PM
Sky (%).........87           82           78
Weather cov.....
Weather type....NONE         NONE         NONE
Tstm cov........
CWR.............0            0            0
Temp............31           38           43
Dewpoint........28           30           31
RH..............88           73           62
Heat index (F)..24           31           37
20 FT wind......E 7G13       E 10G17      E 10G18
Surface wind....E 7G13       E 10G17      E 10G18
Mix hgt (ft)....1000         2300         2500
Transport wind..E 13         E 14         E 15
LVORI...........5            3            1
ADI.............9            30           32
Vrate kt-ft/1K..11           29           32
Ventrate Cat....POOR         POOR         POOR
Ceiling (kft)...3.5          3.5          5.0

$$
Forecaster...Mensch
Requested by...Joel Carlson
Type of request...PRESCRIBED
.TAG 2506100.0/BOX
.DELDT 03/12/25
.FormatterVersion 2.0.0
.EMAIL joel.carlson@mass.gov