FNUS76 KOTX 221842
FWSOTX

SPOT FORECAST FOR CONVENTIONAL CARIBOU   10...USFS
NATIONAL WEATHER SERVICE SPOKANE WA
1142 AM PDT FRI MAY 22 2009

FORECAST IS BASED ON IGNITION TIME OF 1150 PDT ON MAY 22.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A WEAK UPPER LEVEL RIDGE WILL BUILD OVER THE REGION TODAY WITH A
WEAK SURFACE THERMAL TROUGH BUILDING INTO THE COLUMBIA BASIN. THIS
WILL CREATE DRY AND WARM CONDITIONS WITH LIGHT WINDS. A WEAK
DISTURBANCE WILL PASS THROUGH THE REGION THIS EVENING BUT SHOULD
BRING NO MORE THAN AN INCREASE IN MID AND HIGH LEVEL CLOUDS.
SATURDAY WILL BE WARMER AS THE SURFACE THERMAL TROUGH SHIFTS OVER
THE BURN AREA. A SECOND WEAK DISTURBANCE SATURDAY WILL PROMOTE
SOME SUBSTANTIAL CUMULUS DEVELOPMENT WITH POSSIBLE SPRINKLES IN
THE LATE AFTERNOON OVER THE BURN AREA...BUT THE CHANCE OF AFTERNOON
AND EVENING THUNDERSTORMS WILL LIKELY REMAIN OVER THE HIGHER
MOUNTAINS SOUTH OF THE BURN AREA.

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........31 PERCENT.
WIND (20 FT)........SOUTHEAST 3 TO 7 MPH.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WINDS.....EAST 3 TO 7 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 44.
MAX HUMIDITY........79 PERCENT.
WIND (20 FT)........DOWNSLOPE 2 TO 5 MPH.
MIXING HEIGHT.......6000 FT AGL IN THE EVENING DECREASING TO 500
                    FT AGL OVERNIGHT.
TRANSPORT WINDS.....WEST 3 TO 5 MPH.
LAL.................1.

.SATURDAY...

SKY/WEATHER.........SUNNY IN THE MORNING. PARTLY SUNNY WITH
                    CUMULUS DEVELOPMENT IN THE AFTERNOON. SLIGHT
                    CHANCE OF A SPRINKLE AFTER 3 PM.
CWR.................5 PERCENT.
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........27 PERCENT.
WIND (20 FT)........UPSLOPE 4 TO 7 MPH.
MIXING HEIGHT.......7500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 7 MPH.
LAL.................1.

$$
FORECASTER...MF
REQUESTED BY...J RYAN
TYPE OF REQUEST...PRESCRIBED
.TAG 20090522.CONVE.02/OTX