491
FNAK72 PAFC 011304
FWSALU
SPOT FORECAST FOR FY 2026 KATMAI PILE BURNING...WILDLAND FIRE SERVICE (NPS)
NATIONAL WEATHER SERVICE ANCHORAGE AK
504 AM AKDT THU OCT 1 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 AKDT ON OCTOBER 01.
DISCUSSION
HIGH PRESSURE IN SOUTHWEST ALASKA MAINTAIN COOLER AND DRIER
CONDITIONS, WITH PARTLY SUNNY SKIES AND LIGHT NORTH TO
NORTHWESTERLY WINDS. CLOUD COVER INCREASES TONIGHT AS A WEAK
DISTURBANCE APPROACHES THE AREA. LIGHT NORTHWESTERLY FLOW THROUGH
TODAY AND TONIGHT. EXPECT COOL OVERNIGHT TEMPERATURES, GETTING
COOLER EACH NIGHT DUE TO THE CLEARER SKIES. DAYTIME HIGH
TEMPERATURES WILL ALSO BE LIMITED TO THE MID-40S.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 38.
MIN HUMIDITY........52 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTH 5 TO 7 MPH IN THE
LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......2600 FT AGL.
TRANSPORT WINDS.....NORTH 9 TO 12 MPH.
PCPN AMOUNT.........0.00 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
TIME (AKDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........7 7 7 4 4 4 6 6 6 5 5
WEATHER COV.....
WEATHER TYPE....
CWR.............0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0
TEMP............25 25 26 28 30 33 35 36 38 37 37
RH..............81 81 81 77 70 64 58 55 52 52 53
20 FT WIND DIR..N N N N N N N N N N N
20 FT WIND SPD..3 3 3 7 7 7 6 6 6 5 5
20 FT WIND GUST.6 6 6 8 8 8 8 8
MIX HGT (KFT)...0.6 0.6 0.6 2.6 2.6 2.6 2.6 2.6 2.6 1.9 1.9
TRANSP WIND DIR.N N N N N N N N N N N
TRANSP WIND SPD.9 9 9 10 10 10 12 12 12 12 12
TONIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 26.
MAX HUMIDITY........84 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 6 MPH.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....NORTH 8 TO 12 MPH.
PCPN AMOUNT.........0.00 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
TIME (AKDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........5 4 4 4 3 3 3 4 4 4 4 4
WEATHER COV.....
WEATHER TYPE....
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............37 36 33 31 30 29 29 28 28 28 27 27
RH..............55 59 66 71 76 77 78 80 80 81 82 81
20 FT WIND DIR..N N N N NE NE NE NE NE NE NE NE
20 FT WIND SPD..5 6 6 6 6 6 6 6 6 6 6 6
20 FT WIND GUST.8 9 9 9 7 7
MIX HGT (KFT)...1.9 1.9 1.9 1.9 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.N N N N N N N N N N N N
TRANSP WIND SPD.12 10 10 10 10 10 10 8 8 8 8 8
FRIDAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 47.
MIN HUMIDITY........54 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 7 MPH INCREASING TO AROUND 8
MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......2000 FT AGL.
TRANSPORT WINDS.....NORTHEAST 8 TO 10 MPH SHIFTING TO THE EAST 14
TO 15 MPH IN THE AFTERNOON.
PCPN AMOUNT.........0.00 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
TIME (AKDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........4 7 7 7 11 11 11 7 7 7 11 11
WEATHER COV.....
WEATHER TYPE....
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............27 27 26 28 31 35 39 42 45 47 47 46
RH..............81 82 84 84 79 73 66 60 57 55 54 57
20 FT WIND DIR..NE NE NE NE E E E E E E E E
20 FT WIND SPD..6 6 6 6 5 5 5 7 7 7 8 8
20 FT WIND GUST.7 6 6 6 9 9 9 12 12
MIX HGT (KFT)...0.4 0.4 0.4 0.4 1.3 1.3 1.3 1.3 1.3 1.3 2.0 2.0
TRANSP WIND DIR.N NE NE NE E E E E E E E E
TRANSP WIND SPD.8 9 9 9 10 10 10 15 15 15 14 14
FORECASTER...LANDRY
REQUESTED BY...NATHAN GILMORE
TYPE OF REQUEST...PRESCRIBED
.TAG 2622215.10/ALU
.DELDT 10/01/26
.FORMATTERVERSION 2.0.0
.EMAIL NATHAN_GILMORE@NPS.GOV
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