Spot Forecast
Issued by NWS Portland, ME

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FNUS71 KGYX 171202
FWSGYX

Spot Forecast for State Military Reservation Units G4, S2...NH Dept Of Military Affiars
National Weather Service Gray ME
802 AM EDT Wed Apr 17 2024

Forecast is based on ignition time of 0800 EDT on April 17.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (207) 688-3224, if you have questions
or concerns with this forecast.

Good morning. Another dry and warm day is forecast today with min
RH is expected to fall to 25 to 30 percent at the burn location
this afternoon. Surface winds will be mainly west to northwesterly
today, generally remaining light and less than 10 mph, but could
be more variable at times. Favorable mixing heights are expected,
but with light transport winds, only fair smoke dispersion is
forecast.

.REST OF TODAY...

Sky/weather.........Sunny (15-25 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 62.
Min humidity........26 percent.
Dewpoint............28.
Min apparent temp...39.
Wind (20 ft)........Light winds becoming northwest 5 to 8 mph in
                    the afternoon.
Mixing height.......4700 ft AGL.
Transport winds.....Northwest 5 to 8 mph shifting to the west 3 to
                    8 mph in the afternoon.
Smoke dispersal.....Poor (4900 knot-ft) early in the morning
                    increasing to fair (29400 knot-ft) in the
                    afternoon.
LVORI...............2.
ADI.................25 increasing to 47.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

TIME (EDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........9   9   9   9   29  29  29  29  29  29
Weather cov.....
Weather type....
Tstm cov........NO  NO  NO  NO  NO  NO  NO  NO  NO  NO
CWR.............0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1
Temp............41  45  50  53  56  58  60  62  62  62
Dewpoint........30  29  28  26  27  27  28  27  28  29
RH..............65  53  42  35  32  30  29  26  27  28
Aparnt tmp (F)..39  42  47  52  55  58  59  60  61  60
20 FT wind dir..NW  NW  NW  NW  NW  W   W   NW  NW  N
20 FT wind spd..2   2   3   3   3   5   6   6   6   5
20 FT wind gust.5   7   8   9   10  10  12  10  9   9
Mix hgt (kft)...1.2 2.1 2.9 3.7 4.0 4.4 4.7 4.6 4.5 4.4
Transp wind dir.N   N   NW  NW  NW  W   W   W   W   W
Transp wind spd.5   6   7   8   8   8   7   6   3   3
LVORI...........3   1   1   1   1   1   1   1   1   1
ADI.............25  38  46  46  43  51  49  51  44  43
Haines index....2   2   3   3   3   3   3   3   3   3
Vrate kt-ft/1K..5   10  18  26  29  29  28  22  16  13
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.TONIGHT...

Sky/weather.........Mostly cloudy (65-75 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....Around 36.
Max humidity........85 percent.
Dewpoint............31.
Min apparent temp...34.
Wind (20 ft)........Southeast winds around 6 mph early in the
                    evening becoming light, then becoming southeast
                    around 5 mph overnight becoming light.
Mixing height.......500 ft AGL.
Transport winds.....Southwest around 5 mph shifting to the
                    southeast 7 to 9 mph.
Smoke dispersal.....Fair (13700 knot-ft) early in the evening
                    decreasing to poor (3200 knot-ft) late in the
                    night.
LVORI...............3.
ADI.................22 decreasing to 6.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........64  64  64  64  64  64  72  72  72  72  72  72
Weather cov.....
Weather type....
Tstm cov........NO  NO  NO  NO  NO  NO  NO  NO  NO  NO  NO  NO
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............58  54  50  46  44  42  41  40  40  38  38  38
Dewpoint........29  30  31  32  33  33  33  33  33  32  32  32
RH..............33  40  48  58  65  70  73  76  76  79  79  79
Aparnt tmp (F)..58  55  47  44  44  40  41  36  36  34  34  34
20 FT wind dir..E   SE  SE  SE  E   SE  E   SE  SE  SE  E   E
20 FT wind spd..7   8   7   7   2   3   1   6   6   6   5   5
20 FT wind gust.12  14  14  15  13  14  10  14  13  14  13  14
Mix hgt (kft)...3.1 1.9 0.7 0.7 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.5
Transp wind dir.SW  S   SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
Transp wind spd.5   7   9   9   9   8   8   7   7   7   7   7
LVORI...........2   2   2   3   3   3   3   4   4   4   4   4
ADI.............22  4   5   5   4   3   3   5   5   6   7   8
Haines index....3   2   2   2   2   2   2   2   2   2   2   2
Vrate kt-ft/1K..14  12  6   5   5   4   4   4   4   3   3   3
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.THURSDAY...

Sky/weather.........Mostly cloudy (70-80 percent). Slight chance of
                    rain showers in the morning. Chance of rain
                    showers in the afternoon.
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 54.
Min humidity........41 percent.
Dewpoint............30.
Min apparent temp...31.
Wind (20 ft)........Southeast winds 5 to 7 mph.
Mixing height.......2500 ft AGL.
Transport winds.....Southeast 8 to 17 mph.
Smoke dispersal.....Poor (4100 knot-ft) early in the morning
                    increasing to good (36300 knot-ft) in the
                    afternoon.
LVORI...............4 early in the morning.
ADI.................20 early in the morning.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........71  71  71  71  71  71  75  75  75  75  75  75
Weather cov.....SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC CHC
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........NO  NO  NO  NO  NO  NO  NO  NO  NO  NO  NO  NO
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............36  38  39  42  45  47  48  50  51  51  53  51
Dewpoint........32  31  31  30  30  29  29  29  29  29  30  30
RH..............85  76  73  62  55  49  47  44  42  42  41  44
Aparnt tmp (F)..31  33  34  37  41  43  44  47  51  51  53  51
20 FT wind dir..E   E   E   E   E   SE  SE  SE  SE  SE  E   E
20 FT wind spd..6   7   7   8   8   8   8   8   7   7   6   6
20 FT wind gust.16  16  15  16  16  15  15  15  14  13  12  12
Mix hgt (kft)...0.6 0.7 0.7 1.3 1.9 2.5 2.4 2.4 2.3 2.1 1.9 1.7
Transp wind dir.SE  E   E   E   E   SE  SE  SE  SE  SE  SE  E
Transp wind spd.8   9   10  13  15  16  17  17  17  16  14  12
LVORI...........4   3   M   M   M   M   M   M   M   M   M   M
ADI.............17  22  M   M   M   M   M   M   M   M   M   M
Haines index....2   2   2   2   2   2   2   2   2   2   3   3
Vrate kt-ft/1K..4   5   7   14  24  35  36  36  34  29  22  17
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

$$
Forecaster...COMBS
Requested by...Zachary Boyajian
Type of request...PRESCRIBED
.TAG 2411199.0/GYX
.DELDT 04/17/24
.FormatterVersion 2.0.0
.EMAIL zachary.l.boyajian.nfg@army.mil
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