194
FNUS71 KGYX 171950
FWSGYX
SPOT FORECAST FOR SWAN ISLAND RX...MAINE FOREST SERVICE
NATIONAL WEATHER SERVICE GRAY ME
350 PM EDT THU APR 17 2025
FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON APRIL 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.
AFTER A GOOD DRYING DAY THURSDAY, FRIDAY WILL AGAIN BE DRY. THE
DAY WILL BEGIN MOSTLY SUNNY AND BREEZY, BUT NOT AS GUSTY AS
THURSDAY. AFTER CALM WINDS OVERNIGHT, WINDS AND MIXING INCREASE
SHORTLY AFTER 9AM. THIS WILL START A REDUCTION IN RH THROUGH THE
MORNING HOURS. AROUND NOONTIME, SW WINDS BECOME SOUTHERLY WITH
ONSHORE WINDS BRINGING IN MORE HUMID AIR. WINDS SLACKEN SHORTLY
AFTER 4PM AS A SURFACE INVERSION STRENGTHENS OVER THE REGION WITH
INCREASING CLOUDS. THERE WILL BE THE CHANCE FOR A LIGHT SHOWER
DURING THE EVENING, BUT BETTER CHANCES FOR RAINFALL ARRIVE AFTER
MIDNIGHT.
FRIDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 57.
MIN HUMIDITY........30 PERCENT.
DEWPOINT............26 INCREASING TO 30 LATE IN THE AFTERNOON.
MAX APPARENT TEMP...57.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 9 MPH LATE IN
THE MORNING.
MIXING HEIGHT.......3200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 9 TO 18 MPH.
SMOKE DISPERSAL.....POOR (6900 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (33200 KNOT-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................30 INCREASING TO 46 EARLY IN THE AFTERNOON,
THEN INCREASING TO 51 EARLY IN THE AFTERNOON
DECREASING TO 37 LATE IN THE AFTERNOON
DECREASING TO 24.
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........6 6 27 27 27 27 27 27
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............48 53 54 56 57 57 57 54
DEWPOINT........25 26 26 25 27 27 28 30
RH..............40 35 34 30 31 31 33 40
APARNT TMP (F)..47 53 54 56 57 57 57 54
20 FT WIND DIR..SW SW S S S S S S
20 FT WIND SPD..3 6 7 9 10 12 10 9
20 FT WIND GUST.7 10 14 17 18 21 20 17
MIX HGT (KFT)...2.3 3.2 2.9 2.5 2.1 1.6 1.0 0.5
TRANSP WIND DIR.SW SW SW SW S S S S
TRANSP WIND SPD.9 10 13 15 17 18 17 16
LVORI...........2 1 1 1 1 1 1 2
ADI.............28 32 43 48 53 49 37 24
VRATE KT-FT/1K..19 29 32 33 32 25 16 7
VENTRATE CAT....PR PR PR PR PR PR PR PR
FORECASTER...CORNWELL
REQUESTED BY...DANIEL WELCH
TYPE OF REQUEST...PRESCRIBED
.TAG 2510741.0/GYX
.DELDT 04/17/25
.FORMATTERVERSION 2.0.0
.EMAIL DANIEL.WELCH@MAINE.GOV
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