Spot Forecast
Issued by NWS Portland, ME

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734
FNUS71 KGYX 251223
FWSGYX

Spot Forecast for Roost RX...USFS
National Weather Service Gray ME
Issued by National Weather Service Caribou ME
823 AM EDT Fri Apr 25 2025

Forecast is based on ignition time of 0800 EDT on April 25.
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.

Intermittent cloudy conditions this morning with showers just to
the south and west. Increasing chance of showers in the morning,
but chance of wetting rain remains low until tonight. Weak
inversion this morning should break around 10 a.m. Winds will
remain fairly light through the afternoon. RH expected to drop
through early afternoon, although if cloud cover builds in, temps
will plateau and RH will remain slightly higher. Confidence in
clouds remaining south and west of the burn site is moderate.
Steady rain moves in this evening with over an inch of
rainfall expected through the weekend.

.REST OF TODAY...

Sky/weather.........Partly sunny (60-70 percent). Chance of rain
                    showers late in the afternoon.
CWR.................10 percent.
Chance of thunder...1 percent.
Max temperature.....Around 67.
Min humidity........40 percent.
Dewpoint............44.
Max apparent temp...67.
Wind (20 ft)........Light winds.
Mixing height.......5400 ft AGL.
Transport winds.....Northwest 8 to 10 mph shifting to the south 8
                    to 12 mph late in the afternoon.
Smoke dispersal.....Poor (3900 knot-ft) early in the morning
                    increasing to good (38000 knot-ft) in the
                    afternoon.
LVORI...............2.
ADI.................17 increasing to 30 late in the morning, then
                    increasing to 46 late in the morning increasing
                    to 60 early in the afternoon decreasing to 32
                    decreasing to 23 late in the afternoon.

TIME (EDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........64  64  64  64  67  67  67  67  67  67
Weather cov.....            SCH SCH SCH SCH CHC CHC CHC
Weather type....            RW  RW  RW  RW  RW  RW  RW
Tstm cov........NO  NO  NO  NO  NO  NO  NO  NO  NO  NO
CWR.............10  10  10  10  10  10  10  10  10  10
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0
Temp............53  56  58  61  63  65  67  65  64  63
Dewpoint........46  46  45  45  44  43  42  43  44  45
RH..............77  69  62  56  50  45  40  45  48  52
Aparnt tmp (F)..53  56  58  61  63  65  67  65  64  63
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  W   W   SW
20 FT wind spd..3   3   3   3   3   3   3   3   5   5
20 FT wind gust.7   7   7   7   7   7   7   7   9   9
Mix hgt (kft)...0.6 1.4 2.3 2.9 3.7 4.4 4.8 5.4 4.0 2.2
Transp wind dir.NW  NW  NW  NW  W   W   W   SW  S   S
Transp wind spd.8   8   10  8   9   9   9   8   8   12
LVORI...........3   3   1   1   1   1   1   1   1   2
ADI.............17  27  32  49  42  60  32  33  31  23
Vrate kt-ft/1K..4   10  21  20  30  35  38  38  28  22
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.TONIGHT...

Sky/weather.........Mostly cloudy (80-90 percent). Chance of rain
                    showers in the evening, then rain likely and
                    patchy drizzle overnight.
CWR.................10 percent increasing to 83 percent early in
                    the evening.
Chance of thunder...7 percent.
Min temperature.....Around 45.
Max humidity........96 percent.
Dewpoint............46.
Max apparent temp...61.
Wind (20 ft)........Light winds becoming southeast around 5 mph.
Mixing height.......600 ft AGL.
Transport winds.....South 9 to 12 mph shifting to the southeast 8
                    to 9 mph after 3 am.
Smoke dispersal.....Fair (13200 knot-ft) early in the evening
                    decreasing to poor (4100 knot-ft) late in the
                    night.
LVORI...............3 early in the evening.
ADI.................25 decreasing to 8 early in the evening.

TIME (EDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........84  84  84  84  84  84  88  88  88  88  88  88
Weather cov.....CHC CHC CHC CHC CHC CHC CHC CHC CHC LKY LKY LKY
Weather type....RW  RW  RW  RN  RN  RN  RN  RN  RN  RN  RN  RN
Tstm cov........NO  NO  NO  NO  NO  NO  NO  NO  NO  NO  NO  NO
CWR.............10  10  80  80  80  80  80  80  80  80  80  80
Chc of thdr (%).0   0   10  10  10  0   0   0   0   0   0   0
Temp............61  58  56  55  53  52  50  49  48  47  47  47
Dewpoint........46  47  48  48  47  47  46  46  45  45  45  45
RH..............58  67  74  77  80  83  86  89  89  93  93  93
Aparnt tmp (F)..61  58  56  55  53  52  48  47  45  44  44  44
20 FT wind dir..S   S   SE  SE  SE  SE  SE  E   E   E   E   E
20 FT wind spd..5   6   6   6   6   6   6   6   6   6   6   6
20 FT wind gust.9   12  12  12  12  12  12  12  12  12  12  12
Mix hgt (kft)...1.4 1.3 1.3 0.7 1.3 1.3 1.3 1.3 0.8 0.8 0.6 0.6
Transp wind dir.S   S   S   S   SE  SE  S   SE  SE  E   SE  E
Transp wind spd.10  10  12  9   9   9   10  12  9   9   8   9
LVORI...........2   3   M   M   M   M   M   M   M   M   M   M
ADI.............25  8   M   M   M   M   M   M   M   M   M   M
Vrate kt-ft/1K..13  12  13  6   10  10  11  13  7   6   4   5
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.SATURDAY...

Sky/weather.........Cloudy (85-95 percent). Rain.
CWR.................83 percent increasing to 100 percent early in
                    the morning.
Chance of thunder...11 percent.
Max temperature.....Around 57.
Min humidity........77 percent.
Dewpoint............47 increasing to 50 late in the afternoon.
Max apparent temp...57.
Wind (20 ft)........East winds 5 to 6 mph shifting to the northeast
                    around 5 mph late in the afternoon.
Mixing height.......1200 ft AGL.
Transport winds.....Southeast 9 to 13 mph shifting to the west
                    around 7 mph late in the afternoon.
Smoke dispersal.....Poor (4200 knot-ft).
LVORI...............MISSING.
ADI.................MISSING.

TIME (EDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........94  94  94  94  94  94  85  85  85  85  85  85
Weather cov.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF
Weather type....RN  RN  RN  RN  RN  RN  RN  RN  RN  RN  RN  RN
Tstm cov........NO  NO  NO  NO  NO  NO  NO  NO  NO  NO  NO  NO
CWR.............80  80  100 100 100 100 100 100 100 100 100 100
Chc of thdr (%).0   0   0   0   0   10  10  10  0   0   0   10
Temp............47  46  46  47  48  49  50  51  53  54  56  57
Dewpoint........45  45  45  46  47  48  48  49  50  50  50  50
RH..............93  96  96  96  96  96  93  93  89  86  80  77
Aparnt tmp (F)..44  43  42  44  45  47  48  51  53  54  56  57
20 FT wind dir..E   E   E   E   E   E   E   SE  SE  E   E   NE
20 FT wind spd..6   6   7   6   6   6   6   6   6   6   6   6
20 FT wind gust.12  12  14  12  12  12  12  12  12  12  12  12
Mix hgt (kft)...0.5 0.6 0.6 1.0 1.1 1.1 1.1 1.2 1.2 1.2 1.2 1.2
Transp wind dir.E   E   E   SE  SE  SE  SE  S   S   S   SW  W
Transp wind spd.9   9   10  13  13  13  12  9   8   7   7   7
LVORI...........M   M   M   M   M   M   M   M   M   M   M   M
ADI.............M   M   M   M   M   M   M   M   M   M   M   M
Vrate kt-ft/1K..4   4   5   11  12  12  11  10  8   8   7   7
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

$$
Forecaster...FODE
Requested by...Nick Jeros
Type of request...PRESCRIBED
.TAG 2511770.0/GYX
.DELDT 04/25/25
.FormatterVersion 2.0.0
.EMAIL nicholas.jeros@usda.gov