FNUS76 KPDT 211830
FWSPDT

SPOT FORECAST FOR HIGH LAKE...USFS MAF
NATIONAL WEATHER SERVICE PENDLETON OR
1132 AM PDT WED AUG 21 2013

FORECAST IS BASED ON REQUEST TIME OF 1101 PDT ON AUGUST 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY
AFTERNOON FOR THUNDERSTORMS PRODUCING ABUNDANT LIGHTNING...

.DISCUSSION...A LOW PRESSURE SYSTEM MOVING NORTH FROM THE CALIFORNIA
COAST WILL SEND MOISTURE AND INSTABILITY NORTH OVER THE NEXT 24
HOURS...RESULTING IN ISOLATED THUNDERSTORMS OVER SOUTHEAST OREGON
THIS AFTERNOON AND EVENING. THUNDERSTORMS WILL INCREASE IN COVERAGE
AND INTENSITY THURSDAY. ALTHOUGH SOME STORMS WILL BRING MODERATE TO
HEAVY RAIN...THERE WILL BE A SIGNIFICANT NUMBER OF STRIKES.

***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.........PARTLY CLOUDY.
CWR.................0.
MAX TEMPERATURE.....75.
MIN HUMIDITY........12 PERCENT.
WIND (20 FT)........UPSLOPE LESS 2-5 MPH.
RIDGETOP WIND.......SOUTHWEST 2-6 MPH.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 10000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....LIGHT WINDS.
LAL.................1.
HAINES INDEX........5 (MODERATE).

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS
                    AND THUNDERSTORMS BEFORE MIDNIGHT. A CHANCE
                     OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
CWR.................10.
MIN TEMPERATURE.....58-63.
MAX HUMIDITY........29-34 PERCENT.
WIND (20 FT)........DOWNSLOPE/DOWNCANYON 0-3 MPH.
RIDGETOP WIND.......SOUTH-SOUTHWEST 3-7 MPH.
MIXING HEIGHT.......10000 FT AGL DECREASING TO NEAR SURFACE AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....NORTH AROUND 5 MPH SHIFTING TO THE EAST AFTER
                    MIDNIGHT.
LAL.................2.
HAINES INDEX........3 (VERY LOW).

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND
                    THUNDERSTORMS...MAINLY IN THE AFTERNOON.
CWR.................30.
MAX TEMPERATURE.....70.
MIN HUMIDITY........22 PERCENT.
WIND (20 FT)........TERRAIN-DRIVEN 1-3 MPH...BECOMING NORTHWEST
                    2-6 MPH AFTER 2 PM.
RIDGETOP WIND.......SOUTHEAST-SOUTH 3-7 MPH.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 8000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTH AROUND 5 MPH IN THE
                    AFTERNOON.
LAL.................3...POSSIBLY 4.
HAINES INDEX........4 (LOW).

$$

FORECASTER...MARY WISTER
REQUESTED BY...MARK ENGELDINGER
TYPE OF REQUEST...WILDFIRE
.TAG 20130821.HIGHL.01/PDT