054
FNUS71 KGYX 170621
FWSGYX
SPOT FORECAST FOR ME TREX UNITS 1,3 & 4...THE NATURE CONSERVANCY
NATIONAL WEATHER SERVICE GRAY ME
221 AM EDT WED SEP 17 2025
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON SEPTEMBER 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.
DISCUSSION
LIGHT AND VARIABLE WINDS THIS MORNING WILL GIVE WAY TO
A STILL LIGHT BUT STEADY SOUTHEASTERLY WIND THIS AFTERNOON. MORNING
INVERSION WILL LIFT BY THE AFTERNOON AS SUNSHINE THROUGH HIGH CLOUDS
INCREASE THE MIXING DEPTHS. STRONG RELATIVE HUMIDITY RECOVERY IS
ANTICIPATED TONIGHT AND SOME RADIATION FOG IS POSSIBLE. IT WILL BE
WARMER ON THURSDAY AHEAD OF AN APPROACHING COLD FRONT. RAIN SHOWERS
ARE POSSIBLE BUT NOT LIKELY AND NORTH WINDS WILL BECOME BREEZY
BEHIND THE FRONT STARTING THURSDAY NIGHT.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...1 PERCENT.
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........53 PERCENT.
DEWPOINT............55.
MAX APPARENT TEMP...73.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST AROUND 5 MPH
LATE IN THE AFTERNOON, THEN BECOMING LIGHT LATE
IN THE AFTERNOON.
MIXING HEIGHT.......2900 FT AGL.
TRANSPORT WINDS.....SOUTH 3 TO 8 MPH.
SMOKE DISPERSAL.....POOR (5200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (20200 KNOT-FT) IN THE
AFTERNOON.
LVORI...............3.
ADI.................10 INCREASING TO 25 IN THE AFTERNOON, THEN
DECREASING TO 14 LATE IN THE AFTERNOON.
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........52 52 40 40 40 40 40 40
WEATHER COV.....
WEATHER TYPE....
TSTM COV........NO NO NO NO NO NO NO NO
CWR.............0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0
TEMP............61 66 69 72 73 72 71 69
DEWPOINT........56 56 55 55 55 55 56 56
RH..............84 70 61 55 53 55 59 63
APARNT TMP (F)..61 66 69 72 73 72 71 69
20 FT WIND DIR..SE SE SE SE SE SE SE S
20 FT WIND SPD..2 2 2 3 5 6 5 5
20 FT WIND GUST.3 5 6 7 9 9 9 9
MIX HGT (KFT)...1.7 2.1 2.8 2.9 2.9 2.6 2.4 1.6
TRANSP WIND DIR.S S S S S S S S
TRANSP WIND SPD.3 5 7 7 8 8 7 8
LVORI...........4 3 2 2 2 2 2 2
ADI.............8 12 24 25 29 27 21 14
VRATE KT-FT/1K..5 8 17 17 20 18 15 11
VENTRATE CAT....PR PR PR PR PR PR PR PR
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SCATTERED RAIN
SHOWERS OVERNIGHT.
CWR.................0 PERCENT.
CHANCE OF THUNDER...9 PERCENT.
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........100 PERCENT.
DEWPOINT............55.
MAX APPARENT TEMP...65.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTH 7 TO 8 MPH SHIFTING TO THE WEST
OVERNIGHT.
SMOKE DISPERSAL.....POOR (3000 KNOT-FT).
LVORI...............7.
ADI.................5.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........55 55 55 55 55 55 87 87 87 87 87 87
WEATHER COV..... SCT SCT SCT SCT SCT SCT
WEATHER TYPE.... 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
CHC OF THDR (%).0 0 0 0 0 0 0 0 10 10 10 10
TEMP............65 62 59 58 57 56 56 56 54 54 55 53
DEWPOINT........57 57 57 57 57 56 56 56 54 54 55 53
RH..............75 84 93 96 100 100 100 100 100 100 100 100
APARNT TMP (F)..65 62 59 58 57 56 56 56 54 54 55 53
20 FT WIND DIR..S S S S S SW SW W W W W W
20 FT WIND SPD..3 2 2 2 1 1 1 1 1 1 1 1
20 FT WIND GUST.8 7 7 6 5 5 5 3 3 3 3 5
MIX HGT (KFT)...0.8 0.4 0.4 0.4 0.5 0.7 0.6 0.6 0.6 0.7 0.7 0.6
TRANSP WIND DIR.S S S S S SW SW SW W W W W
TRANSP WIND SPD.8 8 8 8 7 7 7 8 7 8 7 7
LVORI...........4 5 6 8 9 9 9 9 9 9 9 9
ADI.............7 4 4 4 3 3 3 4 3 4 3 3
VRATE KT-FT/1K..6 3 3 3 3 4 4 4 4 5 4 4
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING
MOSTLY SUNNY (25-35 PERCENT). ISOLATED RAIN
SHOWERS IN THE MORNING.
CWR.................0 PERCENT.
CHANCE OF THUNDER...6 PERCENT.
MAX TEMPERATURE.....AROUND 78.
MIN HUMIDITY........62 PERCENT.
DEWPOINT............55 INCREASING TO 61 IN THE LATE MORNING AND
AFTERNOON.
MAX APPARENT TEMP...76.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......4100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 12 MPH.
SMOKE DISPERSAL.....POOR (2700 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (41500 KNOT-FT) IN THE
AFTERNOON.
LVORI...............9 EARLY IN THE MORNING.
ADI.................6 EARLY IN THE MORNING.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........77 77 77 77 77 77 32 32 32 32 32 32
WEATHER COV.....ISO ISO ISO ISO ISO ISO
WEATHER TYPE....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
CHC OF THDR (%).10 10 0 0 0 0 0 0 0 0 0 0
TEMP............54 55 57 62 66 70 72 74 76 76 75 75
DEWPOINT........54 55 57 60 61 61 61 62 62 62 62 62
RH..............100 100 100 93 84 73 68 66 62 62 64 64
APARNT TMP (F)..54 55 57 62 66 70 72 74 76 76 75 75
20 FT WIND DIR..W SW SW SW SW SW SW S S S S S
20 FT WIND SPD..1 2 2 2 2 2 2 3 3 3 5 5
20 FT WIND GUST.5 5 5 5 5 6 7 7 8 9 9 9
MIX HGT (KFT)...0.4 0.4 0.7 1.1 1.7 2.3 2.9 3.5 4.1 3.3 2.5 1.6
TRANSP WIND DIR.W SW W SW W W W W W SW SW SW
TRANSP WIND SPD.7 8 8 10 10 10 10 12 12 12 10 10
LVORI...........9 9 M M M M M M M M M M
ADI.............5 6 M M M M M M M M M M
VRATE KT-FT/1K..3 3 5 10 16 21 27 34 42 33 23 15
VENTRATE CAT....PR PR PR PR PR PR PR PR FR PR PR PR
FORECASTER...LEGRO
REQUESTED BY...JON BAILEY
TYPE OF REQUEST...PRESCRIBED
.TAG 2522071.0/GYX
.DELDT 09/17/25
.FORMATTERVERSION 2.0.0
.EMAIL JBAILEY@TNC.ORG
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page