FNAK71 PAFC 041407
FWSAER

SPOT FORECAST FOR CHAKINA FIRE...NPS
NATIONAL WEATHER SERVICE ANCHORAGE AK
607 AM AKDT TUE AUG 4 2009

...RED FLAG WARNING IN EFFECT THROUGH THIS EVENING FOR STRONG WIND IN
THE COPPER RIVER BASIN...

FORECAST IS BASED ON REQUEST TIME OF 1933 AKDT ON AUGUST 03.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 11 PM
AKDT THIS EVENING...

.DISCUSSION...
HIGH PRESSURE CONTINUES TO PERSIST IN THE AREA...CREATING ANOTHER DAY
OF HOT AND DRY CONDITIONS IN THE VICINITY OF THE FIRE. GUSTY SOUTHEASTERLY
WINDS WILL DEVELOP TODAY IN RESPONSE TO A STRENGTHENING THERMAL TROUGH IN
INTERIOR ALASKA AND SURFACE HIGH PRESSURE PERSISTING ALONG THE NORTH GULF
COAST. RELATIVE HUMIDITIES ARE EXPECTED TO DROP INTO THE UPPER TEENS WITH
WINDS APPROACHING 30 MPH THIS AFTERNOON...MAINLY ALONG THE COPPER RIVER.
A WEATHER FRONT WILL APPROACH THE COAST WEDNESDAY...BRINGING AN INCREASED
CHANCE OF RAIN BY WEDNESDAY EVENING.

.TODAY...

SKY/WEATHER.........SUNNY. HIGH CLOUDS MOVING IN LATE THIS AFTERNOON.
MAX TEMPERATURE.....75 TO 80.
MIN HUMIDITY........18 TO 24 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 10 TO 20 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......300 FT IN THE MORNING RISING TO 5000 FT IN THE AFTERNOON.
MIXING WINDS........SOUTHEAST 20 MPH.

.TONIGHT...

SKY/WEATHER.........HIGH CLOUDS..
MIN TEMPERATURE.....AROUND 42.
MAX HUMIDITY........70 PERCENT.
WIND (20 FT)........SOUTHEAST 10 TO 20 MPH BECOMING SOUTH 5 TO 15 MPH AFTER
                    MIDNIGHT.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......5000 FT IN THE EVENING DROPPING TO 400 FT AFTER MIDNIGHT.
MIXING WINDS........SOUTH 5 TO 10 MPH.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN IN THE AFTERNOON.
MAX TEMPERATURE.....71 TO 76.
MIN HUMIDITY........30 TO 40 PERCENT.
WIND (20 FT)........SOUTH WIND 5 TO 15 MPH.
CWR.................5 PERCENT.
LAL.................1.
MIXING HEIGHT.......400 FT IN THE MORNING RISING TO 4000 FT IN THE AFTERNOON.
MIXING WINDS........SOUTH 15 TO 20 MPH

$$
FORECASTER...DIXON
REQUESTED BY...TIM WHITESELL
TYPE OF REQUEST...WILDFIRE
.TAG 20090803.CHAKI.02/AER