FNUS76 KPDT 211345 CCA
FWSPDT

SPOT FORECAST FOR MAYFIELD...USFS DEF
NATIONAL WEATHER SERVICE PENDLETON OR
640 AM PDT TUE AUG 21 2012...CORRECTED

CORRECTED MIN TEMPERATURE AND MAX HUMIDITY FOR TONIGHT

FORECAST IS BASED ON REQUEST TIME OF 1902 PDT ON AUGUST 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A COLD FRONT WILL MOVE THROUGH DESCHUTES COUNTY THIS
MORNING. SURFACE PRESSURE RISING BEHIND THE FRONT WILL INCREASE
PRESSURE GRADIENTS THUS PRODUCING INCREASING WINDS THIS AFTERNOON
ACROSS THE WILDFIRE. WESTERLY FLOW ALOFT WILL PROVIDE DRY CONDITIONS
TONIGHT AND WEDNESDAY.

***THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS***
***WINDS ARE 20 FOOT 10 MINUTE AVERAGES***
***CWR-CHANCE OF WETTING RAIN 0.10 INCH OR GREATER***
***FORECAST IS VALID FOR 12 HOURS AFTER ISSUANCE***

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY THIS MORNING...THEN BECOMING
                    MOSTLY SUNNY THIS AFTERNOON.
CWR.................0.
MAX TEMPERATURE.....84.
MIN HUMIDITY........16 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 1 TO 5 MPH SHIFTING TO THE
                    NORTHWEST 5 TO 10 MPH IN THE AFTERNOON WITH
                    GUSTS TO .
RIDGETOP WIND.......NORTHWEST WINDS INCREASING TO 6 TO 12 MPH IN
                    THE AFTERNOON WITH GUSTS IN THE AFTERNOON OF
                    20 TO 25 MPH.
LAL.................1.
HAINES INDEX........3 (VERY LOW).

        TEMPERATURE     HUMIDITY     20-FT WIND (MPH)
0600        54             64           SW 1-3
0800        58             58           SW 2-4
1000        66             45           SW 2-5
1200        75             29           W 3-6
1400        79             23           NW 4-9
1600        83             18           NW 6-10
1800        79             24           NW 5-9
2000        71             37           NW 4-8

.TONIGHT...

SKY/WEATHER.........CLEAR.
CWR.................0.
MIN TEMPERATURE.....42.
MAX HUMIDITY........86 PERCENT.
WIND (20 FT)........NORTHWEST TO NORTH WINDS 3 TO 8 MPH IN THE
                    EVENING BECOMING DRAINAGE WINDS LESS THAN 5
                    MPH BY 2300.
RIDGETOP WIND.......NORTHWEST TO NORTH WINDS 5 TO 11 MPH
                    DECREASING AND SHIFTING TO WEST 3 TO 6 MPH
                    AFTER MIDNIGHT.
LAL.................1.
HAINES INDEX........3 (VERY LOW).

.WEDNESDAY...

SKY/WEATHER.........SUNNY.
CWR.................0.
MAX TEMPERATURE.....82-84.
MIN HUMIDITY........16-18 PERCENT.
WIND (20 FT)........DRAINAGE WINDS LESS THAN 5 MPH UNTIL 0900.
                    UPSLOPE WINDS LESS THAN 5 MPH FROM 0900 TO 1200.
                    WINDS BECOMING NORTHWEST 3 TO 8 MPH IN THE EARLY
                    AFTERNOON WITH SOME GUSTS TO 20 MPH.
RIDGETOP WIND.......WEST TO NORTHWEST WINDS
LAL.................1.
HAINES INDEX........4 (LOW).

$$
FORECASTER...ALAN POLAN
REQUESTED BY...CAROL PETERSON
TYPE OF REQUEST...WILDFIRE
.TAG 20120820.MAYFI.02/PDT