FNUS76 KPDT 241301
FWSPDT

SPOT FORECAST FOR RATTLESNAKE  1...BLM
NATIONAL WEATHER SERVICE PENDLETON OR
558 AM PDT TUE APR 24 2012

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON APRIL 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A MOIST AND UNSTABLE SOUTH TO SOUTHWEST FLOW ALOFT
OVER THE FIRE WILL RESULT IN POSSIBLE AFTERNOON AND EVENING
THUNDERSTORMS BOTH TODAY AND WEDNESDAY. TEMPERATURES WILL BE COOLER
TODAY AND AGAIN ON WEDNESDAY WITH INCREASED RELATIVE HUMIDITY BOTH DAYS.

***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 THEN BECOMING MOSTLY CLOUDY.
                    ISOLATED THUNDERSTORMS IN THE MORNING.
                    SCATTERED SHOWERS. SCATTERED THUNDERSTORMS IN
                    THE AFTERNOON.
CWR.................20.
MAX TEMPERATURE.....71-73.
MIN HUMIDITY........33-35 PERCENT.
WIND (20 FT)........UPSLOPE LESS THAN 5 MPH BECOMING WEST TO SOUTHWEST
                    4 TO 8 MPH IN THE LATE MORNING AND AFTERNOON.
RIDGETOP WIND.......WEST TO SOUTHWEST 5 TO 10 MPH.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 4000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTHWEST AROUND 8 MPH IN
                    THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. A
                    CHANCE OF THUNDERSTORMS IN THE EVENING. THEN A
                    CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
                    THUNDERSTORMS AFTER MIDNIGHT.
CWR.................10.
MIN TEMPERATURE.....42-44.
MAX HUMIDITY........88-90 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 3 TO 6 MPH IN THE EVENING
                    BECOMING DRAINAGE WINDS LESS THAN 5 MPH.
RIDGETOP WIND.......WEST TO NORTHWEST 4 TO 8 MPH.
MIXING HEIGHT.......4000 FT AGL DECREASING TO NEAR SURFACE AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....NORTHWEST 7 TO 9 MPH.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
                    THE MORNING...THEN A CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................20.
MAX TEMPERATURE.....61-63.
MIN HUMIDITY........44-46 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 10 MPH.
RIDGETOP WIND.......SOUTH TO SOUTHWEST 6 TO 12 MPH.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 6000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTH AROUND 17 MPH IN THE
                    AFTERNOON.

$$
FORECASTER...VP
REQUESTED BY...DAVID LACHAPELLE
TYPE OF REQUEST...PRESCRIBED
.TAG 20120424.RATTL.01/PDT