FNUS76 KPDT 041144
FWSPDT

SPOT FORECAST FOR CHAPMAN SPRINGS...BLM
NATIONAL WEATHER SERVICE PENDLETON OR
445 AM PDT THU AUG 4 2011

FORECAST IS BASED ON REQUEST TIME OF 0053 PDT ON AUGUST 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A WEATHER SYSTEM WILL MOVE INTO THE FIRE AREA. THIS
SYSTEM WILL COMBINE WITH MOISTURE AND INSTABILITY FROM THE SOUTH
WHICH WILL ALLOW THUNDERSTORMS TO FORM TODAY AND AGAIN ON FRIDAY.
THUNDERSTORMS WILL BE MOSTLY WET...ESPECIALLY AT THE RIDGE TOPS.

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

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
                    ISOLATED SHOWERS AND THUNDERSTORMS IN THE
                    AFTERNOON.
CWR.................10 PERCENT.
MAX TEMPERATURE.....79-81.
MIN HUMIDITY........22-27 PERCENT.
WIND (20 FT)........UPSLOPE LESS THAN 5 MPH BECOMING NORTHWEST TO
                    NORTH 5 TO 10 MPH BY 10 AM.
RIDGETOP WIND.......BECOMING NORTH 7-13 MPH.
LAL.................2.
HAINES INDEX........4 (LOW).

        TEMPERATURE     HUMIDITY     20-FT WIND (MPH)
0600        58             51          VARIABLE 0-4
0800        63             47          W   1-5
1000        67             41          NW  2-6
1200        72             34          N   3-7
1400        77             28          N   4-9
1600        80             27          NW  4-9
1800        79             31          NW  3-8
2000        74             39          DRAINAGE 2-7 MPH

.TONIGHT...

SKY/WEATHER.........A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
                    IN THE EVENING...THEN BECOMING MOSTLY CLEAR.
CWR.................10.
MIN TEMPERATURE.....56-58.
MAX HUMIDITY........67-69 PERCENT.
WIND (20 FT)........BECOMING DRAINAGE 0-4 MPH AFTER SUNSET.
RIDGETOP WIND.......NW 4-9 MPH DECREASING TO 2 TO 7 MPH AFTER
                    MIDNIGHT.
LAL.................2.
HAINES INDEX........4 (LOW).

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY. A
                    SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
                    THE AFTERNOON.
CWR.................10.
MAX TEMPERATURE.....80-85.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........VARIABLE 1-5 MPH BECOMING NW 6-12 MPH IN THE
                    AFTERNOON.
RIDGETOP WIND.......NW 8-15 MPH.
LAL.................2.
HAINES INDEX........2 (VERY LOW).

$$

FORECASTER...ROGER CLOUTIER
REQUESTED BY...COIDC
TYPE OF REQUEST...WILDFIRE
.TAG 20110804.CHAPM.01/PDT