FNAK79 PAFG 201817
FWSAFG

SPOT FORECAST FOR KANTISHNA PILE...NATIONAL PARK SERVICE
NATIONAL WEATHER SERVICE FAIRBANKS AK
1017 AM AKDT TUE SEP 20 2011

FORECAST IS BASED ON IGNITION TIME OF 0950 AKDT ON SEPTEMBER 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A POWERFUL LOW PRESSURE SYSTEM IN THE NORTHERN GULF OF ALASKA COMBINED WITH
BRISK WINDS ALOFT WILL COMBINE TO PRODUCE CHINOOK CONDITIONS IN AND AND NEAR
THE ALASKA RANGE TODAY AND TONIGHT. SOUTH TO SOUTHEAST WINDS WILL INCREASE
TO 20 TO 30 MPH WITH GUSTS TO 40 MPH BY LATE AFTERNOON AND CONTINUE THROUGH
THE OVERNIGHT HOURS. ISOLATED RAIN SHOWERS THIS MORNING WILL DIMINISH TODAY
AS RELATIVE HUMIDITY LEVELS DROP TO THE 35 TO 45 PERCENT RANGE. WINDS WILL
DIMINISH WEDNESDAY AFTERNOON.

.TODAY...

SKY/WEATHER.........CLOUDY (90-100 PERCENT) THEN BECOMING MOSTLY
                    SUNNY (45-55 PERCENT). ISOLATED RAIN SHOWERS IN
                    THE MORNING.
MAX TEMPERATURE.....50-55.
MIN HUMIDITY........35-45 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 18 TO 24 MPH WITH GUSTS TO
                    AROUND 35 MPH.
CWR.................10 PERCENT.
MIXING HEIGHT.......500-1500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 25 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).
MIN TEMPERATURE.....AROUND 35.
MAX HUMIDITY........75-85 PERCENT.
WIND (20 FT)........WINDY. SOUTHEAST WINDS 20 TO 30 MPH WITH GUSTS
                    TO AROUND 40 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......500-1500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 25 MPH.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).
MAX TEMPERATURE.....AROUND 50.
MIN HUMIDITY........40-50 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 15 TO 20 MPH DECREASING TO 6 TO
                    12 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......500-1500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH.

$$
FORECASTER...COX
REQUESTED BY...CHARLETON REYNAR
TYPE OF REQUEST...PRESCRIBED
.TAG 20110920.KANTI.01/AFG