Spot Forecast
Issued by NWS Portland, ME
Issued by NWS Portland, ME
Versions:
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FNUS71 KGYX 131256
FWSGYX
Spot Forecast for Waterboro Unit 3...The Nature Conservancy
National Weather Service Gray ME
856 AM EDT Fri Sep 13 2024
Forecast is based on ignition time of 1000 EDT on September 13.
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.
Some passing clouds this morning will lead to clearing and then
another increase in clouds for the afternoon. Winds remain light
for much of the day, with a weak southwest seabreeze arriving
later in the afternoon today vs. yesterday. A passing disturbance
will develop a few showers across the area this afternoon. These
are expected to remain isolated and short-lived, with a low chance
of wetting rain.
Good RH recovery overnight tonight with skies clearing. More
directional breeze expected Saturday from the northeast. This
becomes onshore late morning into the afternoon.
.REST OF TODAY...
Sky/weather.........Mostly sunny (25-35 percent). Slight chance of
showers late in the afternoon.
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 82.
Min humidity........46 percent.
Dewpoint............58.
Max apparent temp...82.
Wind (20 ft)........Light winds.
Mixing height.......5600 ft AGL.
Transport winds.....Northwest 2 to 5 mph.
Smoke dispersal.....Poor (2400 knot-ft) early in the morning
increasing to fair (22600 knot-ft) in the
afternoon.
LVORI...............3.
ADI.................7 increasing to 14 early in the afternoon, then
increasing to 28 early in the afternoon
decreasing to 15 late in the afternoon.
Haines Index........4 or low potential for large plume dominated
fire growth.
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........19 19 36 36 36 36 36 36
Weather cov..... SCH SCH SCH
Weather type.... RW RW RW
Tstm cov........NO NO NO NO NO NO NO NO
CWR.............0 0 0 0 0 0 0 0
LAL.............1 1 1 1 1 1 1 1
Temp............69 73 76 79 80 81 82 80
Dewpoint........59 59 59 59 58 59 59 59
RH..............70 62 56 50 47 47 46 49
Aparnt tmp (F)..69 73 76 79 81 81 82 81
20 FT wind dir..NE E E S S S S SW
20 FT wind spd..1 1 1 1 2 2 2 3
20 FT wind gust. 2 2 3 3 5 6
Mix hgt (kft)...1.2 2.3 3.3 4.4 5.1 5.6 5.6 3.1
Transp wind dir.W W W W W NW NW NW
Transp wind spd.2 2 3 3 5 5 5 5
LVORI...........3 3 2 2 2 2 2 2
ADI.............4 10 14 26 28 30 19 11
Haines index....4 4 4 4 4 4 4 4
Vrate kt-ft/1K..2 5 10 13 21 22 23 13
Ventrate Cat....PR PR PR PR PR PR PR PR
.TONIGHT...
Sky/weather.........Mostly clear (20-30 percent). Slight chance of
rain showers early in the evening. Patchy fog
after 3 am.
CWR.................0 percent.
LAL.................1.
Min temperature.....Around 55.
Max humidity........100 percent.
Dewpoint............58.
Max apparent temp...78.
Wind (20 ft)........Light winds.
Mixing height.......400 ft AGL.
Transport winds.....Southeast 3 to 5 mph shifting to the southwest
around 3 mph late in the evening, then shifting
to the north 3 to 7 mph late in the evening
increasing to around 8 mph early in the
morning.
Smoke dispersal.....Poor (1300 knot-ft).
LVORI...............6.
ADI.................3.
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) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........33 33 33 33 33 33 17 17 17 17 17 17
Weather cov.....SCH SCH SCH PTY PTY PTY
Weather type....RW RW RW FOG FOG FOG
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
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
Temp............78 72 69 66 65 63 62 61 60 59 58 57
Dewpoint........60 60 58 57 58 57 57 58 58 58 58 57
RH..............54 66 68 73 78 81 84 90 93 96 100 100
Aparnt tmp (F)..78 72 69 66 65 63 62 61 60 59 58 57
20 FT wind dir..S SE S SW NW W W W W NW NW NW
20 FT wind spd..3 5 3 2 3 3 2 2 1 1 1 1
20 FT wind gust.7 9 7 5 6 6 5 3 3 3 3 3
Mix hgt (kft)...1.0 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.SE SE S SW W NW NW N N N N N
Transp wind spd.3 5 5 3 3 3 6 7 7 7 7 8
LVORI...........2 3 3 5 5 6 6 6 6 8 9 9
ADI.............3 2 2 2 2 2 3 3 3 3 3 3
Haines index....4 4 4 4 4 4 4 4 3 3 3 3
Vrate kt-ft/1K..3 2 2 1 1 1 2 3 3 3 3 3
Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR
.SATURDAY...
Sky/weather.........Mostly sunny (30-40 percent). Patchy fog early
in the morning.
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 78.
Min humidity........58 percent.
Dewpoint............56 increasing to 62 in the late morning and
afternoon.
Max apparent temp...78.
Wind (20 ft)........Light winds becoming east around 5 mph early in
the afternoon, then shifting to the southeast
late in the afternoon.
Mixing height.......3800 ft AGL.
Transport winds.....Northeast 7 to 9 mph shifting to the southeast
around 7 mph late in the afternoon.
Smoke dispersal.....Poor (2500 knot-ft) early in the morning
increasing to fair (24800 knot-ft) in the
afternoon.
LVORI...............6 in the morning and early afternoon.
ADI.................11 increasing to 35.
Haines Index........3 or very low potential for large plume
dominated fire growth.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........27 27 27 27 27 27 41 41 41 41 41 41
Weather cov.....PTY PTY PTY
Weather type....FOG FOG FOG
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
LAL.............1 1 1 1 1 1 1 1 1 1 1 1
Temp............56 55 58 63 67 71 73 75 76 77 78 75
Dewpoint........56 55 58 61 62 63 63 63 63 62 62 61
RH..............100 100 100 93 84 76 71 66 64 60 58 62
Aparnt tmp (F)..56 55 58 63 67 71 73 75 76 77 78 75
20 FT wind dir..N N N N NE NE NE E E E SE SE
20 FT wind spd..2 2 3 5 5 5 6 6 6 6 6 6
20 FT wind gust.5 6 7 9 10 10 10 12 12 12 12 12
Mix hgt (kft)...0.4 0.4 0.6 1.3 1.9 2.8 3.5 3.8 3.8 3.0 2.3 1.5
Transp wind dir.N N N NE NE NE E E E E SE SE
Transp wind spd.7 8 7 9 9 8 8 7 7 6 6 7
LVORI...........8 8 8 5 4 3 3 3 M M M M
ADI.............8 7 7 14 18 24 34 36 M M M M
Haines index....3 3 3 3 3 3 3 3 3 3 3 3
Vrate kt-ft/1K..3 3 4 10 15 20 25 23 23 15 12 9
Ventrate Cat....PR PR PR PR PR PR PR PR PR PR PR PR
$$
Forecaster...CORNWELL
Requested by...Jon Bailey
Type of request...PRESCRIBED
.TAG 2422205.1/GYX
.DELDT 09/13/24
.FormatterVersion 2.0.0
.EMAIL jbailey@tnc.org