FNUS76 KOTX 291246
FWSOTX

SPOT FORECAST FOR POTATO 16...CWICC
NATIONAL WEATHER SERVICE SPOKANE WA
546 AM PDT FRI APR 29 2011

FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON APRIL 29.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.


...NOTE....
THE LAT/LON COORDINATES POSTED TO OUR WEBPAGE PLACE THE PROJECT ALONG
A NW ASPECT...WHILE THE SUBMITTED OBS SAY ITS A SW ASPECT. WE WILL
ASSUME THE SW ASPECT IS CORRECT. IF NOT...WIND SPEEDS WILL BE
GREATER THAN FORECAST FOR TODAY. THE MAP ALSO PLACES THE PROJECT NEAR
CAMP 4 RAWS...AND THIS INFORMATION WILL BE HEAVILY RELIED UPON FOR
THE FORECAST.

.DISCUSSION...
CROSS-CASCADE PRESSURE GRADIENTS WILL GROW STEADILY TODAY
AS A LOW PRESSURE SYSTEM AND WEAK WARM FRONT DROP THROUGH
THE EASTERN THIRD OF WASHINGTON. THE MAIN IMPACT OVER THE PROPOSED
BURN SITE WILL BE BREEZY WEST TO NORTHWEST WINDS. PRESSURE
GRADIENTS AND WINDS WILL SUBSIDE OVERNIGHT AND INTO SATURDAY WITH
BENIGN TERRAIN DRIVEN CONDITIONS EXPECTED.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....53.
MIN HUMIDITY........27 PERCENT.
WIND (20 FT)........SOUTHWEST TO WEST WIND 8 TO 12 MPH WITH GUSTS TO 25 MPH.
                    RIDGETOP WIND WEST TO NORTHWEST 12 TO 17 MPH
                    WITH GUSTS TO 38 MPH.
MIXING HEIGHT.......1000 FT AGL IN THE MORNING INCREASING TO 3000
                    FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 18 TO 25 MPH.
HAINES INDEX........3 VERY LOW.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....32.
MAX HUMIDITY........76 PERCENT.
WIND (20 FT)........SOUTHWEST TO WEST WIND 6 TO 10 MPH
                    RIDGETOP WIND WEST TO NORTHWEST 8 TO 14 MPH
                    WITH GUSTS TO 30 MPH IN THE EVENING.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 13 TO 17 MPH.
HAINES INDEX........3 VERY LOW.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....57.
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........WEST WIND 4 TO 8 MPH...BECOMING UPSLOPE OR
                    WEST TO SOUTHWEST 3 TO 6 MPH IN THE AFTERNOON.
MIXING HEIGHT.......1500 FT AGL IN THE MORNING INCREASING TO 3000
                    FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 8 TO 14 MPH.
HAINES INDEX........3 VERY LOW.

$$
FORECASTER...FX
REQUESTED BY...OKANOGAN-WENATCHEE NF
TYPE OF REQUEST...PRESCRIBED
.TAG 20110429.POTAT.01/OTX