Text Products for FWS Issued by GYX

Spot Forecast
Issued by NWS Portland, ME
Versions: 1 2 3 4 5 6 7 8 9 10 11
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FNUS71 KGYX 222046
FWSGYX

Spot Forecast for Whites Brook/Hotel Field...USFS
National Weather Service Gray ME
446 PM EDT Mon Apr 22 2024

Forecast is based on ignition time of 1800 EDT on April 22.
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.

Following moderate humidity recovery tonight, RH values drop to
around 35 percent by late tomorrow morning and early afternoon.
Southwest winds in the morning becoming southerly and increase by
the early afternoon hours, with gusts of around 20 to 25 mph
during the afternoon. RH values increase late in the afternoon and
tomorrow evening as more moist air arrives from the Gulf of
Maine. RH values continue to increase tomorrow night, with wetting
rains expected by Wednesday morning.

.TONIGHT...

Sky/weather.........Mostly clear (0-10 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....Around 25.
Max humidity........65 percent.
Dewpoint............11 increasing to 15 in the late evening and
                    overnight.
Min apparent temp...18.
Wind (20 ft)........West winds 5 to 8 mph in the evening and
                    overnight becoming light.
Mixing height.......400 ft AGL.
Transport winds.....West 12 to 21 mph decreasing to 7 to 10 mph
                    early in the evening, then shifting to the
                    southwest 10 to 12 mph overnight.
Smoke dispersal.....Excellent (66700 knot-ft) early in the evening
                    decreasing to poor (2400 knot-ft) late in the
                    night.
LVORI...............2.
ADI.................74 decreasing to 6.
Haines Index........4 to 5 or low potential for large plume
                    dominated fire growth to or moderate potential
                    for large plume dominated fire growth.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........2      2      2      10     10     10
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............42     31     28     27     27     26
Dewpoint........11     13     16     14     15     16
RH..............28     47     60     57     60     65
Aparnt tmp (F)..36     24     22     20     20     20
20 ft wind......W 10   W 7    W 6    W 6    W 6    W 5
20 ft wind gust.20     14     12     12     12     9
Mix hgt (ft)....3700   500    400    400    400    400
Transport wind..NW 21  W 9    W 8    W 8    SW 10  SW 12
LVORI...........1      2      3      3      3      3
ADI.............74     4      4      4      5      5
Haines index....4      4      4      4      5      5
Vrate kt-ft/1K..67     4      3      3      4      5
Ventrate Cat....GOOD   POOR   POOR   POOR   POOR   POOR

.TUESDAY...

Sky/weather.........Sunny (10-20 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 57.
Min humidity........34 percent.
Dewpoint............17 increasing to 31.
Min apparent temp...22.
Wind (20 ft)........Southwest winds 5 to 12 mph. Gusts up to 25 mph
                    late in the morning.
Mixing height.......5100 ft AGL.
Transport winds.....Southwest 12 to 21 mph shifting to the south 22
                    to 23 mph in the afternoon.
Smoke dispersal.....Poor (4500 knot-ft) early in the morning
                    increasing to excellent (102700 knot-ft) in the
                    afternoon.
LVORI...............2.
ADI.................14 increasing to 40 late in the morning, then
                    increasing to 63 late in the morning increasing
                    to 80 early in the afternoon increasing to 95
                    decreasing to 71 late in the afternoon.
Haines Index........4 to 5 or low potential for large plume
                    dominated fire growth to or moderate potential
                    for large plume dominated fire growth.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........8      8      8      23     23     23
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............28     37     47     53     57     57
Dewpoint........16     21     23     27     29     30
RH..............60     52     38     36     34     35
Aparnt tmp (F)..22     32     43     53     57     57
20 ft wind......SW 6   SW 7   SW 9   S 10   S 13   S 14
20 ft wind gust.12     14     17     20     23     25
Mix hgt (ft)....400    1000   2700   4200   5100   4900
Transport wind..SW 12  SW 13  SW 20  S 21   S 22   S 23
LVORI...........2      2      1      1      1      1
ADI.............12     16     59     80     92     72
Haines index....5      5      5      5      4      4
Vrate kt-ft/1K..5      11     47     75     98     98
Ventrate Cat....POOR   POOR   FAIR   GOOD   GOOD   GOOD

.TUESDAY NIGHT...

Sky/weather.........Partly cloudy (40-50 percent) then becoming
                    mostly cloudy (70-80 percent). Chance of rain
                    showers overnight.
CWR.................0 percent increasing to 28 percent early in the
                    evening.
LAL.................1.
Min temperature.....Around 35.
Max humidity........92 percent.
Dewpoint............32.
Min apparent temp...30.
Wind (20 ft)........South winds 5 to 10 mph.
Mixing height.......500 ft AGL.
Transport winds.....South 12 to 21 mph shifting to the southwest
                    around 9 mph early in the morning.
Smoke dispersal.....Good (56700 knot-ft) early in the evening
                    decreasing to poor (3700 knot-ft) late in the
                    night.
LVORI...............2 early in the evening.
ADI.................60 decreasing to 9 early in the evening.
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 (%).........46     46     46     77     77     77
Weather cov.....                     CHANCE CHANCE CHANCE
Weather type....NONE   NONE   NONE   RNSHWR RNSHWR RNSHWR
Tstm cov........NO     NO     NO     NO     NO     NO
CWR.............0      30     30     30     30     30
LAL.............1      1      1      1      1      1
Temp............53     44     40     38     36     35
Dewpoint........32     33     32     31     30     31
RH..............44     65     73     76     79     85
Aparnt tmp (F)..53     39     35     33     31     30
20 ft wind......S 13   S 9    S 8    S 7    S 6    S 6
20 ft wind gust.23     17     16     14     12     12
Mix hgt (ft)....3200   600    600    600    600    500
Transport wind..S 21   S 12   S 12   S 12   SW 15  SW 12
LVORI...........1      M      M      M      M      M
ADI.............60     M      M      M      M      M
Haines index....4      3      3      3      3      3
Vrate kt-ft/1K..57     6      6      6      7      5
Ventrate Cat....FAIR   POOR   POOR   POOR   POOR   POOR

$$
Forecaster...CLAIR
Requested by...Dan Nielsen
Type of request...PRESCRIBED
.TAG 2411518.1/GYX
.DELDT 04/22/24
.FormatterVersion 2.0.0
.EMAIL daniel.nielsen2@usda.gov
National Weather Service Weather Forecast Office
