FNUS76 KPDT 171836
FWSPDT

SPOT FORECAST FOR JACK RX...USFS WWF
NATIONAL WEATHER SERVICE PENDLETON OR
1135 AM PDT MON MAY 17 2010

FORECAST IS BASED ON IGNITION TIME OF 1300 PDT ON MAY 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...LOW PRESSURE ALOFT BRINGING SIGNIFICANT INSTABILITY
TODAY TO THE BURN SITE. THUNDERSTORMS WILL DEVELOP THIS AFTERNOON
WITH SOME STORMS BECOMING STRONG AND PUTTING OUT PARTICULARLY GUSTY
WINDS IN ADDITION TO FREQUENT LIGHTNING AND HAIL. COLD FRONT WILL
CROSS THE BURN SITE LATE TONIGHT AND TOMORROW WITH GUSTY SURFACE
WINDS EXPECTED.

***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.........CLOUDY. SCATTERED LIGHT SHOWERS IN THE
                    MORNING...THEN NUMEROUS SHOWERS AND SCATTERED
                    THUNDERSTORMS IN THE AFTERNOON.
CWR.................40.
MAX TEMPERATURE.....68.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........SOUTH WINDS 4 TO 8 MPH SHIFTING TO THE SOUTHEAST
                    10 TO 15 MPH WITH GUSTS TO 25 MPH IN THE MID
                    AFTERNOON.
 UPR SLP/RIDGETOP...SOUTH 8 TO 12 MPH INCREASING TO 12 TO 18 MPH
                    WITH HIGHER GUSTS IN THE MID AFTERNOON.
MIXING HEIGHT.......3500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 7 MPH.

.TONIGHT...

SKY/WEATHER.........CLOUDY. SCATTERED SHOWERS. SCATTERED
                    THUNDERSTORMS IN THE EVENING. A SLIGHT CHANCE OF
                    THUNDERSTORMS AFTER MIDNIGHT.
CWR.................40.
MIN TEMPERATURE.....44.
MAX HUMIDITY........86 PERCENT.
WIND (20 FT)........SOUTH WINDS 8 TO 12 MPH AND GUSTY SHIFTING TO
                    THE NORTHWEST 5 TO 11 MPH LATE OVERNIGHT.
 UPR SLP/RIDGETOP...SOUTH 8 TO 14 MPH AND GUSTY SHIFTING NORTHWEST
                    LATE OVERNIGHT.
MIXING HEIGHT.......3500 FT AGL IN THE EVENING BECOMING NEAR SURFACE
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 9 MPH BECOMING LIGHT OVERNIGHT.

.TUESDAY...

SKY/WEATHER.........CLOUDY. SHOWERS LIKELY MAINLY IN THE MORNING.
CWR.................40.
MAX TEMPERATURE.....49.
MIN HUMIDITY........67 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25
                    MPH.
 UPR SLP/RIDGETOP...NORTHWEST 12 TO 18 MPH AND GUSTY.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 3000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....LIGHT BECOMING NORTHWEST AROUND 13 MPH.

$$
FORECASTER...JON BONK
REQUESTED BY...STEVE HAWKINS
TYPE OF REQUEST...PRESCRIBED
.TAG 20100517.JACKR.01/PDT