263
FNAK71 PAFC 131626
FWSAER
SPOT FORECAST FOR LITTLE GRANITE CREEK RX...SOA DFFP
NATIONAL WEATHER SERVICE ANCHORAGE AK
826 AM AKDT WED MAY 13 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 AKDT ON MAY 13.
DISCUSSION
EXPECT A MIX OF SUN AND CLOUDS WITH A CHANCE FOR SCATTERED RAIN
SHOWERS BOTH THIS AFTERNOON AND EVENING AND THURSDAY AFTERNOON AS
A WEAKENING FRONT STALLS ALONG THE COAST. WINDS WILL GENERALLY BE
DIURNALLY DRIVEN, WITH LIGHT AND VARIABLE WINDS DURING THE
OVERNIGHT AND MORNING HOURS WITH A STEADIER SOUTHWESTERLY WIND
DURING THE AFTERNOON AND EARLY EVENING HOURS.
TODAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). CHANCE OF RAIN
LATE IN THE MORNING, THEN SCATTERED RAIN
SHOWERS IN THE LATE MORNING AND AFTERNOON.
CWR.................11 PERCENT.
CHANCE OF PCPN......20 PERCENT IN THE MORNING INCREASING TO 40
PERCENT THIS AFTERNOON.
TSTM COVERAGE.......NONE.
MAX TEMPERATURE.....AROUND 53.
MIN HUMIDITY........47 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WINDS THROUGH EARLY
AFTERNOON, THEN BECOMING WEST-SOUTHWEST
BETWEEN 5 TO 9 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......AROUND 800 FT AGL EARLY RISING TO AROUND
2600 FT AGL.
TRANSPORT WINDS.....EAST AROUND 5 MPH SHIFTING TO THE SOUTH
5 TO 8 MPH IN THE AFTERNOON.
VENTILATION RATE....POOR (376-1710 M^2/S).
PCPN AMOUNT.........0.02 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
TIME (AKDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........60 55 55 55 62 62 62 47 47
WEATHER COV.....CHC SCT SCT SCT SCT SCT SCT SCT SCT
WEATHER TYPE....RN RW RW RW RW RW RW RW RW
CWR.............10 10 10 10 10 10 10 10 10
CHC OF PCPN (%).20 30 30 30 40 40 40 40 40
TEMP............44 46 48 50 51 52 52 53 52
RH..............63 59 56 52 49 48 47 47 50
20 FT WIND DIR..NE E E E E E E SW SW
20 FT WIND SPD..6 5 5 5 3 3 3 5 5
20 FT WIND GUST. 8 8
MIX HGT (KFT)...0.5 2.6 2.6 2.6 2.6 2.6 2.6 1.9 1.9
TRANSP WIND DIR.NE E E E S S S SW SW
TRANSP WIND SPD.6 5 5 5 5 5 5 7 7
VENT (M^2/S)....376 10351035103510351035103517101710
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (55-65 PERCENT). SCATTERED RAIN
SHOWERS.
CWR.................14 PERCENT.
CHANCE OF PCPN......40 PERCENT.
TSTM COVERAGE.......NONE.
MIN TEMPERATURE.....AROUND 39.
MAX HUMIDITY........86 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 9 MPH IN THE EVENING AND
OVERNIGHT BECOMING LIGHT.
MIXING HEIGHT.......AROUND 2,000 FT AGL IN THE EVENING FALLING TO
AROUND 500 FT AGL OVERNIGHT.
TRANSPORT WINDS.....WEST 2 TO 7 MPH.
VENTILATION RATE....POOR (141-1710 M^2/S).
PCPN AMOUNT.........0.03 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
TIME (AKDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........47 40 40 40 43 43 43 49 49 49 60 60
WEATHER COV.....SCT SCT SCT SCT SCT SCT SCT SCT SCT SCT SCT SCT
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
CWR.............10 10 10 10 10 10 10 10 10 10 10 10
CHC OF PCPN (%).40 30 30 30 40 40 40 40 40 40 30 30
TEMP............51 50 48 47 46 44 43 42 41 40 39 39
RH..............54 58 61 65 68 70 73 75 79 81 83 85
20 FT WIND DIR..SW SW SW SW W W W SW SW SW SW SW
20 FT WIND SPD..5 6 6 6 6 6 6 5 5 5 2 2
20 FT WIND GUST.9 8 8 8 8 8 8
MIX HGT (KFT)...1.9 1.9 1.9 1.9 0.5 0.5 0.5 0.5 0.5 0.5 0.6 0.6
TRANSP WIND DIR.SW W W W SW SW SW W W W W W
TRANSP WIND SPD.7 7 7 7 5 5 5 5 5 5 2 2
VENT (M^2/S)....1710171017101710313 313 313 313 313 313 141 141
THURSDAY
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). SCATTERED RAIN
SHOWERS.
CWR.................14 PERCENT INCREASING TO 27 PERCENT LATE IN
THE AFTERNOON.
CHANCE OF PCPN......30 PERCENT IN THE MORNING INCREASING TO
50 PERCENT.
TSTM COVERAGE.......NONE.
MAX TEMPERATURE.....AROUND 50.
MIN HUMIDITY........51 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST BETWEEN 6 AND
9 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......AROUND 600 FT AGL IN THE MORNING RISING TO
AROUND 3500 FT AGL.
TRANSPORT WINDS.....WEST 1 TO 7 MPH INCREASING TO AROUND 12 MPH
LATE IN THE AFTERNOON.
VENTILATION RATE....POOR (141-4455 M^2/S).
PCPN AMOUNT.........0.03 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
TIME (AKDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........60 72 72 72 76 76 76 73 73 73 64 64
WEATHER COV.....SCT SCT SCT SCT SCT SCT SCT SCT SCT SCT SCT SCT
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
CWR.............10 10 10 20 20 20 20 20 20 20 30 30
CHC OF PCPN (%).30 30 30 30 40 40 40 50 50 50 50 50
TEMP............39 39 41 42 44 45 47 48 49 49 50 49
RH..............79 79 75 70 66 62 58 55 54 53 51 53
20 FT WIND DIR..SW N N N SW SW SW SW SW SW SW SW
20 FT WIND SPD..2 0 0 0 1 1 1 3 3 3 7 7
20 FT WIND GUST. 9 9
MIX HGT (KFT)...0.6 0.6 0.6 0.6 2.7 2.7 2.7 2.7 2.7 2.7 3.5 3.5
TRANSP WIND DIR.W W W W SW SW SW SW SW SW W W
TRANSP WIND SPD.2 1 1 1 3 3 3 7 7 7 12 12
VENT (M^2/S)....141 141 141 141 18351835183518351835183544554455
FORECASTER...MARKLE
REQUESTED BY...JERED KEMP
TYPE OF REQUEST...PRESCRIBED
.TAG 2612149.9/AER
.DELDT 05/13/26
.FORMATTERVERSION 2.0.0
.EMAIL JERED.KEMP@ALASKA.GOV
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