Text Products for FWS Issued by GYX

Spot Forecast
Issued by NWS Portland, ME
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FNUS71 KGYX 211007
FWSGYX

Spot Forecast for Whites Brook...USFS
National Weather Service Gray ME
607 AM EDT Sun Apr 21 2024

Forecast is based on ignition time of 0700 EDT on April 21.
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.

A drier air mass will be advected into the region today on
westerly winds that will steadily increase later this morning
into the afternoon. These west winds will gust to around 25 mph
over the burn site early this afternoon with min RH dropping to 35
percent. Skies will be clear this morning with clouds developing
late morning into the afternoon for partly sunny skies. There will
be moderate humidity recovery tonight. A front crosses the burn
site late tonight bringing a wind shift out of the NW by Monday
morning. These NW winds will gust to 30 mph Monday afternoon with
even drier air advecting into the region resulting in min RH
dropping to 22 percent.

.REST OF TODAY...

Sky/weather.........Mostly sunny (40-50 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 49.
Min humidity........35 percent.
Dewpoint............26 decreasing to 22 in the afternoon.
Min apparent temp...31.
Wind (20 ft)........West winds 7 to 9 mph.
Mixing height.......6400 ft AGL.
Transport winds.....West 12 to 21 mph increasing to 21 to 22 mph
                    late in the afternoon.
Smoke dispersal.....Poor (5300 knot-ft) early in the morning
                    increasing to excellent (101200 knot-ft) in the
                    afternoon increasing to excellent (90100
                    knot-ft) late in the afternoon.
LVORI...............2.
ADI.................47 increasing to 75.
Haines Index........3 to 4 or very low potential for large plume
                    dominated fire growth to or low potential for
                    large plume dominated fire growth.

TIME (EDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
Sky (%).........30     30     30     60     60     60
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........NO     NO     NO     NO     NO     NO
CWR.............0      0      0      0      0      0
LAL.............1      1      1      1      1      1
Temp............37     40     45     47     48     47
Dewpoint........28     27     24     23     22     22
RH..............70     59     43     38     35     37
Aparnt tmp (F)..31     34     40     42     43     42
20 ft wind......NW 8   W 9    W 10   W 12   W 12   W 12
20 ft wind gust.16     17     20     22     22     22
Mix hgt (ft)....500    2800   5000   6300   5900   5000
Transport wind..W 12   W 15   W 16   W 18   W 22   W 21
LVORI...........3      1      1      1      1      1
ADI.............44     50     68     67     68     74
Haines index....4      3      3      3      4      4
Vrate kt-ft/1K..5      36     70     101    112    90
Ventrate Cat....POOR   POOR   GOOD   VYGD   VYGD   GOOD

.TONIGHT...

Sky/weather.........Mostly clear (20-30 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....Around 29.
Max humidity........72 percent.
Dewpoint............22.
Min apparent temp...20.
Wind (20 ft)........West winds 7 to 12 mph. Gusts up to 25 mph in
                    the late evening and overnight.
Mixing height.......600 ft AGL.
Transport winds.....West 14 to 23 mph.
Smoke dispersal.....Excellent (68600 knot-ft) early in the evening
                    decreasing to poor (6700 knot-ft) late in the
                    night.
LVORI...............2.
ADI.................89 decreasing to 15 in the evening, then
                    increasing to 22 overnight.
Haines Index........3 to 4 or very low potential for large plume
                    dominated fire growth to or low potential for
                    large plume dominated fire growth.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........22     22     22     24     24     24
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........NO     NO     NO     NO     NO     NO
CWR.............0      0      0      0      0      0
LAL.............1      1      1      1      1      1
Temp............46     41     37     35     34     31
Dewpoint........22     22     23     22     23     23
RH..............38     46     56     59     64     72
Aparnt tmp (F)..41     35     30     26     25     21
20 ft wind......W 10   W 9    W 10   W 13   W 14   NW 13
20 ft wind gust.20     17     20     23     25     23
Mix hgt (ft)....4000   600    600    900    900    1300
Transport wind..W 20   W 14   W 14   W 17   W 20   NW 21
LVORI...........1      2      2      2      2      3
ADI.............89     12     11     19     23     23
Haines index....4      3      3      3      3      3
Vrate kt-ft/1K..69     8      7      13     15     24
Ventrate Cat....GOOD   POOR   POOR   POOR   POOR   POOR

.MONDAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 45.
Min humidity........22 percent.
Dewpoint............18 decreasing to 8.
Min apparent temp...19.
Wind (20 ft)........Northwest winds around 12 mph with gusts to
                    around 29 mph.
Mixing height.......4800 ft AGL.
Transport winds.....Northwest 22 to 28 mph.
Smoke dispersal.....Good (37000 knot-ft) early in the morning
                    increasing to excellent (105800 knot-ft) in the
                    afternoon.
LVORI...............1 early in the morning.
ADI.................45 increasing to 57 early in the morning.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........15     15     15     7      7      7
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........NO     NO     NO     NO     NO     NO
CWR.............0      0      0      0      0      0
LAL.............1      1      1      1      1      1
Temp............30     33     36     39     42     43
Dewpoint........20     15     12     10     8      7
RH..............66     47     36     30     24     22
Aparnt tmp (F)..19     23     27     31     34     36
20 ft wind......NW 14  NW 15  NW 15  NW 15  W 15   W 14
20 ft wind gust.25     26     26     29     29     26
Mix hgt (ft)....1900   2900   3700   4200   4800   4600
Transport wind..NW 22  NW 28  NW 26  NW 25  NW 25  NW 25
LVORI...........1      M      M      M      M      M
ADI.............45     M      M      M      M      M
Haines index....3      3      3      3      3      3
Vrate kt-ft/1K..37     69     84     93     106    99
Ventrate Cat....POOR   GOOD   GOOD   GOOD   VYGD   GOOD

$$
Forecaster...SCHROETER
Requested by...Dan Nielsen
Type of request...PRESCRIBED
.TAG 2411518.0/GYX
.DELDT 04/21/24
.FormatterVersion 2.0.0
.EMAIL daniel.nielsen2@usda.gov
National Weather Service Weather Forecast Office
