456 FNUS71 KGYX 181553 FWSGYX Spot Forecast for ME TREX Units...The Nature Conservancy National Weather Service Gray ME 1153 AM EDT Thu Sep 18 2025 Forecast is based on ignition time of 0900 EDT on September 18. 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. Occasional clouds from an offshore system will move through early this afternoon, but skies should trend clearer for the better part of the afternoon and evening. This combined with some increased mixing should allow RH to fall into the low to mid 50s percent. Light south-southeasterly winds will continue into the evening. Strong RH recovery is then expected tonight with light and variable winds. Dry and breezy conditions are then expected on Friday with northwesterly wind gusts between 15-25 mph likely. .REST OF TODAY... Sky/weather.........Mostly sunny (30-40 percent). CWR.................0 percent. Chance of thunder...1 percent. Max temperature.....Around 79. Min humidity........56 percent. Dewpoint............60. Max apparent temp...78. Wind (20 ft)........Light winds. Mixing height.......3200 ft AGL. Transport winds.....Southwest 2 to 8 mph. Smoke dispersal.....Poor (1700 knot-ft) early in the morning increasing to fair (19400 knot-ft) in the afternoon. LVORI...............5. ADI.................5 increasing to 23 late in the morning, then increasing to 27 late in the afternoon decreasing to 13 late in the afternoon. TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........46 46 46 22 22 22 22 22 22 Weather cov..... Weather type.... Tstm cov........NO NO NO NO NO NO NO NO NO CWR.............0 0 0 0 0 0 0 0 0 Chc of thdr (%).0 0 0 0 0 0 0 0 0 Temp............60 65 69 74 76 77 78 77 76 Dewpoint........59 60 60 60 60 60 61 61 61 RH..............96 84 73 62 58 56 56 58 60 Aparnt tmp (F)..60 65 69 74 76 77 78 77 76 20 FT wind dir..NW W S S S S S S S 20 FT wind spd..1 2 2 2 2 3 3 5 5 20 FT wind gust.2 5 5 5 5 7 7 9 9 Mix hgt (kft)...0.8 1.7 2.4 2.7 3.0 3.2 2.8 2.5 1.3 Transp wind dir.SW SW SW SW SW SW W SW SW Transp wind spd.2 3 6 6 7 7 8 8 8 LVORI...........8 4 3 2 2 2 2 2 2 ADI.............2 7 18 19 26 27 28 25 13 Vrate kt-ft/1K..2 5 12 14 18 19 19 17 9 Ventrate Cat....PR PR PR PR PR PR PR PR PR .TONIGHT... Sky/weather.........Mostly clear (0-10 percent). CWR.................0 percent. Chance of thunder...0 percent. Min temperature.....Around 56. Max humidity........95 percent. Dewpoint............60 decreasing to 55 late in the evening. Max apparent temp...73. Wind (20 ft)........Light winds. Mixing height.......400 ft AGL. Transport winds.....Southwest 8 to 9 mph shifting to the northwest 9 to 12 mph after 3 am. Smoke dispersal.....Poor (3100 knot-ft). LVORI...............5. ADI.................6. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM Sky (%).........7 7 7 7 7 7 4 4 4 4 4 4 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 Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............73 68 64 62 61 60 60 60 60 59 59 58 Dewpoint........62 61 61 60 59 57 56 54 54 54 55 56 RH..............69 78 90 93 93 90 87 81 81 83 86 95 Aparnt tmp (F)..73 68 64 62 61 60 60 60 60 59 59 58 20 FT wind dir..S S SW SW SW W W W W W NW NW 20 FT wind spd..3 3 2 2 2 2 2 3 3 3 5 5 20 FT wind gust.7 7 5 5 5 5 5 7 7 7 9 9 Mix hgt (kft)...0.6 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 Transp wind dir.S S SW SW SW W NW W NW NW NW NW Transp wind spd.8 9 9 8 9 8 9 10 12 10 12 9 LVORI...........3 5 6 6 6 6 6 5 4 5 5 6 ADI.............8 4 4 4 4 4 4 5 5 5 5 4 Vrate kt-ft/1K..4 4 4 3 4 3 4 4 5 4 5 4 Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR .FRIDAY... Sky/weather.........Sunny (5-15 percent). CWR.................0 percent. Chance of thunder...0 percent. Max temperature.....Around 76. Min humidity........40 percent. Dewpoint............57 decreasing to 48. Max apparent temp...75. Wind (20 ft)........Light winds becoming northwest around 5 mph early in the morning. Mixing height.......4600 ft AGL. Transport winds.....Northwest 9 to 12 mph. Smoke dispersal.....Poor (3600 knot-ft) early in the morning increasing to good (46200 knot-ft) in the afternoon. LVORI...............4 in the morning and early afternoon. ADI.................14 increasing to 58. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........10 10 10 10 10 10 7 7 7 7 7 7 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 Chc of thdr (%).0 0 0 0 0 0 0 0 0 0 0 0 Temp............57 58 61 64 68 71 73 74 75 75 73 72 Dewpoint........55 56 58 59 55 54 53 51 50 49 48 47 RH..............94 95 90 83 63 55 49 44 41 40 41 41 Aparnt tmp (F)..57 58 61 64 68 71 73 74 75 75 73 72 20 FT wind dir..NW NW NW NW NW NW NW NW NW NW NW NW 20 FT wind spd..5 6 6 6 6 6 6 6 6 6 6 6 20 FT wind gust.9 12 12 13 13 13 13 13 13 13 13 13 Mix hgt (kft)...0.4 0.4 1.1 2.1 3.2 4.1 4.2 4.4 4.6 4.4 4.1 3.9 Transp wind dir.NW NW N N N N N NW NW NW N N Transp wind spd.9 9 12 12 12 12 12 12 12 10 9 9 LVORI...........6 6 4 3 1 1 1 1 M M M M ADI.............10 10 17 31 45 56 57 60 M M M M Vrate kt-ft/1K..4 4 11 21 32 41 42 44 46 41 35 31 Ventrate Cat....PR PR PR PR PR FR FR FR FR FR PR PR $$ Forecaster...BARON Requested by...Jon Bailey Type of request...PRESCRIBED .TAG 2522131.0/GYX .DELDT 09/18/25 .FormatterVersion 2.0.0 .EMAIL jbailey@tnc.org