FNUS76 KOTX 220645
FWSOTX

SPOT FORECAST FOR GRAND COULEE...SCIMT A
NATIONAL WEATHER SERVICE SPOKANE WA
1145 PM PDT SUN AUG 21 2011

FORECAST IS BASED ON REQUEST TIME OF 2320 PDT ON AUGUST 21.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
THE RIDGE OF HIGH PRESSURE IS IN THE PROCESS OF BENDING DOWN AT
THE TIME IN RESPONSE TO AN UPPER LEVEL LOW THAT WILL TRACK INTO
BRITISH COLUMBIA MONDAY AFTERNOON. CONDITIONS WILL REMAIN WARM AND
FAIRLY DRY TONIGHT AND MONDAY. EXPECT THE ASSOCIATED COLD FRONT TO
MOVE THROUGH AREA BETWEEN 1600-1700 MONDAY AFTERNOON. PREFRONTAL
WINDS WILL BE ON THE INCREASE AFTER 1200 AND INCREASE MORE WITH THE
FRONT. EXPECT MARINE AIR WITH THE FRONTAL PASSAGE FOR INCREASED
RELATIVE HUMIDITY. HIGH PRESSURE WILL BUILD BACK INTO THE REGION
ON WEDNESDAY.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....58.
MAX HUMIDITY........53 PERCENT.
WIND (20 FT)........WEST-NORTHWEST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......NEAR THE SURFACE.
TRANSPORT WINDS.....WEST 10 TO 15 MPH.
LAL.................1.
HAINES INDEX........5 MODERATE.

.MONDAY...

SKY/WEATHER.........MOSTLY SUNNY. PATCHY BLOWING DUST IN THE
                    LATE AFTERNOON.
CWR.................0 PERCENT.
MAX TEMPERATURE.....88.
MIN HUMIDITY........21 PERCENT.
WIND (20 FT)........SOUTHWEST-WEST WINDS 5 TO 6 MPH IN THE MORNING
                    BECOMING SOUTHWEST 12 TO 16 MPH WITH GUSTS TO
                    25 MPH AFTER 1400.
MIXING HEIGHT.......BECOMING 6000 FT AGL AFTER 1100.
TRANSPORT WINDS.....WEST 18 TO 22 MPH.
LAL.................1.
HAINES INDEX........4 LOW.

$$
FORECASTER...BT
REQUESTED BY...SCOTT BLYSTONE
TYPE OF REQUEST...WILDFIRE
.TAG 20110821.GRAND.01/OTX