309
FNAK71 PAFC 160420
FWSAER
SPOT FORECAST FOR SEATTLE FIRE...USFS
NATIONAL WEATHER SERVICE ANCHORAGE AK
820 PM AKDT TUE SEP 15 2026
FORECAST IS BASED ON FORECAST START TIME OF 1000 AKDT ON SEPTEMBER 16.
DISCUSSION
MOSTLY CLOUDY WITH HIGH VISIBILITY CONDITIONS ARE EXPECTED
WEDNESDAY WITH DRY CONDITIONS PREVAILING THROUGH MUCH OF THE DAY.
RAIN CHANCES INCREASE WEDNESDAY NIGHT, ESPECIALLY TOWARD THURSDAY
MORNING AND WILL BECOME LIKELY THROUGH THURSDAY. CEILINGS WILL BE
AS LOW AS 1,000 FT AGL WITH VISIBILITY AROUND 3 TO 5 MILES IN
HEAVIER RAINFALL. EASTERLY WINDS REMAIN RELATIVELY LIGHT,
GENERALLY 5 TO 10 MPH WEDNESDAY NIGHT, INCREASING TO 5 TO 12 MPH
THURSDAY WITH GUSTS AROUND 12 TO 15 MPH DURING THE AFTERNOON.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT).
CWR.................5 PERCENT.
CHANCE OF PCPN......10 PERCENT.
TSTM COVERAGE.......NONE.
MAX TEMPERATURE.....AROUND 51.
MIN HUMIDITY........63 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 7 MPH.
MIXING HEIGHT.......2200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 13 MPH.
PCPN AMOUNT.........0.00 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
TIME (AKDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........92 92 92 78 78 78 76 76
WEATHER COV.....MOSTLY CLOUDY (80-90 PERCENT)
WEATHER TYPE....
CWR.............0 0 0 0 0 0 10 10
CHC OF PCPN (%).10 10 10 10 10 10 10 10
TEMP............42 46 47 50 51 51 51 50
RH..............95 84 77 71 68 64 63 65
20 FT WIND DIR..E E E SE SE SE SE SE
20 FT WIND SPD..7 7 7 5 5 5 5 5
20 FT WIND GUST. 14 14 14 12 12
MIX HGT (KFT)...2.2 2.2 2.2 2.2 2.2 2.2 1.8 1.8
TRANSP WIND DIR.SW SW SW SW SW SW SW SW
TRANSP WIND SPD.13 13 13 13 13 13 13 13
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS EARLY IN THE EVENING. CHANCE OF
RAIN SHOWERS IN THE LATE EVENING AND OVERNIGHT.
CWR.................5 PERCENT INCREASING TO 27 PERCENT AFTER 3 AM.
CHANCE OF PCPN......50 PERCENT.
TSTM COVERAGE.......NONE.
MIN TEMPERATURE.....AROUND 39.
MAX HUMIDITY........98 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 8 MPH.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 13 MPH SHIFTING TO THE SOUTHEAST
OVERNIGHT.
PCPN AMOUNT.........0.08 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
TIME (AKDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........76 84 84 84 92 92 92 81 81 81 74 74
WEATHER COV..... SCH SCH SCH CHC CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW RW
CWR.............10 10 10 10 10 10 10 10 10 10 30 30
CHC OF PCPN (%).10 20 20 20 30 30 30 30 30 30 50 50
TEMP............50 48 47 45 44 43 43 42 41 41 39 40
RH..............69 74 79 84 87 89 91 91 93 95 96 97
20 FT WIND DIR..SE E E E E E E E E E E E
20 FT WIND SPD..5 7 7 7 8 8 8 7 7 7 7 7
20 FT WIND GUST.12 10 10 10 12 12 12 9 9 9 9 9
MIX HGT (KFT)...1.8 1.8 1.8 1.8 0.5 0.5 0.5 0.5 0.5 0.5 0.4 0.4
TRANSP WIND DIR.SW SW SW SW S S S SE SE SE SE SE
TRANSP WIND SPD.13 8 8 8 7 7 7 8 8 8 8 8
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). RAIN SHOWERS
LIKELY.
CWR.................27 PERCENT INCREASING TO 38 PERCENT LATE IN THE
AFTERNOON.
CHANCE OF PCPN......60 PERCENT.
TSTM COVERAGE.......NONE.
MAX TEMPERATURE.....AROUND 48.
MIN HUMIDITY........83 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 12 MPH.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 7 TO 10 MPH.
PCPN AMOUNT.........0.07 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
TIME (AKDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........74 79 79 79 79 79 79 82 82 82 82 82
WEATHER COV.....CHC LKY LKY LKY CHC CHC CHC LKY LKY LKY LKY LKY
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
CWR.............30 30 30 30 30 30 30 30 30 30 40 40
CHC OF PCPN (%).50 60 60 60 40 40 40 60 60 60 60 60
TEMP............40 40 40 41 42 44 46 47 48 48 47 46
RH..............97 97 98 98 97 94 90 86 84 83 83 85
20 FT WIND DIR..E E E E E E E E E E E E
20 FT WIND SPD..7 5 5 5 5 5 5 8 8 8 12 12
20 FT WIND GUST.9 6 6 6 10 10 10 14 14
MIX HGT (KFT)...0.4 0.4 0.4 0.4 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
TRANSP WIND DIR.SE SE SE SE SE SE SE SE SE SE SE SE
TRANSP WIND SPD.8 7 7 7 8 8 8 9 9 9 10 10
FORECASTER...METZLER/RUX
REQUESTED BY...IC TRAINEE
TYPE OF REQUEST...WILDFIRE
.TAG 2621977.0/AER
.DELDT 09/16/26
.FORMATTERVERSION 2.0.0
.EMAIL BCSUZORE@GMAIL.COM
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