447
FNAK71 PAFC 191648
FWSAER
SPOT FORECAST FOR LITTLE GRANITE CREEK RX...SOA DFFP
NATIONAL WEATHER SERVICE ANCHORAGE AK
848 AM AKDT TUE MAY 19 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 AKDT ON MAY 19.
DISCUSSION
A FRONT MOVING THROUGH THE REGION THIS MORNING WILL BRING A CHANCE OF
LIGHT RAIN TO THE BURN SITE BEFORE SOME PARTIAL CLEARING IN THE AFTERNOON.
WINDS ARE EXPECTED TO TURN BACK TO A WESTERLY DIRECTION THIS AFTERNOON
AFTER FRONTAL PASSAGE. THERE IS A CHANCE FOR LIGHT RAIN LATE TONIGHT
INTO WEDNESDAY AFTERNOON IN CONJUNCTION WITH ANOTHER UPPER LEVEL
WAVE PASSING THROUGH THE AREA.
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) BECOMING PARTLY CLOUDY
(50 TO 60 PERCENT) IN THE AFTERNOON. CHANCE OF RAIN IN
THE MORNING, THEN SCATTERED RAIN SHOWERS IN THE AFTERNOON.
CWR.................12 PERCENT DECREASING TO 0 PERCENT LATE IN THE AFTERNOON.
CHANCE OF PCPN......50 PERCENT.
TSTM COVERAGE.......NONE.
MAX TEMPERATURE.....AROUND 54.
MIN HUMIDITY........33 PERCENT.
WIND (20 FT)........EAST WINDS 3 TO 5 MPH IN THE MORNING BECOMING WEST
TO SOUTHWEST 6 TO 9 MPH IN THE AFTERNOON.
MIXING HEIGHT.......3000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 9 TO 12 MPH SHIFTING TO THE SOUTHWEST 15 MPH
IN THE AFTERNOON.
VENTILATION RATE....POOR (643-5428 M^2/S).
PCPN AMOUNT.........0.03 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
TIME (AKDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........83 86 86 86 80 80 80 67 67
WEATHER COV.....CHC CHC CHC CHC SCT SCT SCT SCT SCT
WEATHER TYPE....RN RN RN RN RW RW RW RW RW
CWR.............10 10 10 10 10 10 10 0 0
CHC OF PCPN (%).40 50 50 50 40 40 40 30 30
TEMP............43 45 47 48 50 50 51 52 51
RH..............60 52 43 39 34 34 33 34 34
20 FT WIND DIR..NE E SE S SW SW SW W W
20 FT WIND SPD..9 5 5 5 3 3 3 7 7
20 FT WIND GUST.15 13 13 13 9 9 9
MIX HGT (KFT)...0.5 3.0 3.0 3.0 3.0 3.0 3.0 2.6 2.6
TRANSP WIND DIR.E S S S S S S S S
TRANSP WIND SPD.9 12 12 12 15 15 15 14 14
VENT (M^2/S)....643 54285428542854285428542840004000
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-75 PERCENT). ISOLATED RAIN
SHOWERS IN THE EVENING, THEN SLIGHT CHANCE OF
RAIN OVERNIGHT.
CWR.................0 PERCENT INCREASING TO 10 PERCENT AFTER 3 AM.
CHANCE OF PCPN......20 PERCENT.
TSTM COVERAGE.......NONE.
MIN TEMPERATURE.....AROUND 37.
MAX HUMIDITY........69 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 8 MPH EARLY IN THE EVENING
BECOMING LIGHT, THEN BECOMING NORTHEAST AROUND
6 MPH AFTER 3 AM.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 14 MPH DECREASING TO AROUND 3
MPH LATE IN THE EVENING, THEN SHIFTING TO THE
NORTHEAST 6 MPH OVERNIGHT.
VENTILATION RATE....POOR (78-4000 M^2/S).
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 (%).........67 49 49 49 70 70 70 46 46 46 82 82
WEATHER COV.....SCT ISO ISO ISO SCH SCH SCH ISO ISO ISO SCH SCH
WEATHER TYPE....RW RW RW RW RN RN RN RW RW RW RN RN
CWR.............0 0 0 0 0 0 0 0 0 0 10 10
CHC OF PCPN (%).30 20 20 20 20 20 20 20 20 20 20 20
TEMP............50 49 47 46 44 43 41 40 39 39 38 38
RH..............36 38 41 45 52 56 59 62 63 64 65 68
20 FT WIND DIR..SW S S S S S S E E E NE NE
20 FT WIND SPD..7 6 6 6 3 3 3 2 2 2 6 6
20 FT WIND GUST. 12 12 12 7 7 7 5 5 5
MIX HGT (KFT)...2.6 2.6 2.6 2.6 0.5 0.5 0.5 0.5 0.5 0.5 0.6 0.6
TRANSP WIND DIR.S SW SW SW SW SW SW NE NE NE E E
TRANSP WIND SPD.14 10 10 10 3 3 3 5 5 5 7 7
VENT (M^2/S)....400040004000400078 78 78 78 78 78 737 737
WEDNESDAY
SKY/WEATHER.........CLOUDY (85-95 PERCENT). A CHANCE OF RAIN.
CWR.................18 PERCENT.
CHANCE OF PCPN......50 PERCENT.
TSTM COVERAGE.......NONE.
MAX TEMPERATURE.....AROUND 51.
MIN HUMIDITY........39 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 4 TO 6 MPH IN THE MORNING BECOMING
WEST 6 TO 9 MPH IN THE AFTERNOON.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WINDS.....EAST 6 TO 10 MPH SHIFTING TO THE WEST AROUND 10
MPH IN THE AFTERNOON.
VENTILATION RATE....POOR (737-2416 M^2/S).
PCPN AMOUNT.........0.06 INCHES.
SNOWFALL AMOUNT.....0.0 INCHES.
TIME (AKDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........82 89 89 89 91 91 91 92 92 92 94 94
WEATHER COV.....SCH CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RN RN RN RN RN RN RN RN RN RN RW RW
CWR.............10 10 10 10 10 10 10 10 10 10 20 20
CHC OF PCPN (%).20 40 40 40 40 40 40 40 40 40 50 50
TEMP............38 38 40 43 45 46 48 49 50 50 50 49
RH..............69 68 63 57 50 44 41 39 39 41 43 46
20 FT WIND DIR..NE NE NE NE E E E E E E SW SW
20 FT WIND SPD..6 6 5 5 5 6 6 6 6 7 8 9
20 FT WIND GUST. 12 12
MIX HGT (KFT)...0.6 0.6 0.6 0.6 2.4 2.4 2.4 2.4 2.4 2.4 2.5 2.5
TRANSP WIND DIR.E E E E E E E NE NE NE W W
TRANSP WIND SPD.7 10 10 10 10 10 10 6 6 6 9 9
VENT (M^2/S)....737 737 737 737 24002400240024002400240024162416
FORECASTER...ZINGONE
REQUESTED BY...JERED KEMP
TYPE OF REQUEST...PRESCRIBED
.TAG 2613745.3/AER
.DELDT 05/19/26
.FORMATTERVERSION 2.0.0
.EMAIL JERED.KEMP@ALASKA.GOV
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