FNUS76 KOTX 191744
FWSOTX

SPOT FORECAST FOR NAHAHUM...CWICC
NATIONAL WEATHER SERVICE SPOKANE WA
1044 AM PDT WED AUG 19 2009

FORECAST IS BASED ON REQUEST TIME OF 1019 PDT ON AUGUST 19.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR DRY AND UNSTABLE CONDITIONS...

.DISCUSSION...

A STRONG RIDGE OF HIGH PRESSURE WILL REMAIN OVER THE BURN AREA
THROUGH THURSDAY NIGHT AND RESULT IN WARM...VERY DRY AND VERY
UNSTABLE CONDITIONS. THE NEXT WEATHER SYSTEM WILL MOVE INTO THE
CASCADES THURSDAY EVENING AS A WEAK MARINE PUSH. THIS WILL BRING
A SLIGHT CHANCE OF EVENING CONVECTION THROUGH 2300...BUT ALSO
INCREASING GAP WINDS THURSDAY NIGHT AND FRIDAY. COOLER WEATHER
WILL THEN LINGER OVER THE CASCADES THROUGH THE WEEKEND.


.TODAY...

SKY/WEATHER.........SUNNY AND WARM
CWR.................0 PERCENT.
MAX TEMPERATURE.....90.
MIN HUMIDITY........18 PERCENT.
WIND (20 FT)........SOUTHEAST 8 TO 12 MPH WITH GUSTS TO 15 MPH.
MIXING HEIGHT.......6500 FT AGL AFTER 1100.
TRANSPORT WINDS.....NORTHWEST-NORTHEAST 8 TO 12 MPH.
LAL.................1.
HAINES INDEX........4 LOW.

.TONIGHT...

SKY/WEATHER.........CLEAR. HAZY IN THE CANYONS.
CWR.................0 PERCENT.
MIN TEMPERATURE.....65.
MAX HUMIDITY........47 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 7 TO 10 MPH IN THE EVENING
                    BECOMING DRAINAGE 2 TO 4 PH AFTER 2100.
MIXING HEIGHT.......LOWERING TO NEAR THE SURFACE AFTER 2100.
TRANSPORT WINDS.....SOUTH 3 TO 7 MPH.
LAL.................1.
HAINES INDEX........5 MODERATE.

.THURSDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....92.
MIN HUMIDITY........18 PERCENT.
WIND (20 FT)........SOUTHEAST-SOUTH 6 TO 10 MPH...BECOMING SOUTHWEST
                    8 TO 12 MPH AFTER 1500.
MIXING HEIGHT.......BECOMING 7500 FT AGL AFTER 1100.
TRANSPORT WINDS.....SOUTHEAST 8 TO 12 MPH.
LAL.................1.
HAINES INDEX........5 MODERATE.

$$
FORECASTER...BT
REQUESTED BY...CWICC
TYPE OF REQUEST...WILDFIRE
.TAG 20090819.NAHAH.01/OTX