FNUS76 KPDT 191319
FWSPDT

SPOT FORECAST FOR MCCACHE 1...USFS DEF
NATIONAL WEATHER SERVICE PENDLETON OR
618 AM PDT MON APR 19 2010

FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON APRIL 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A LARGE LOW PRESSURE SYSTEM OFF THE COAST WILL SPREAD
PRECIPITATION JUST EAST OF THE CASCADES THIS AFTERNOON.  SHOWERS
WILL INCREASE OVERNIGHT AND TUESDAY.  COLDER AIR WILL ALSO SPREAD
EAST OF THE CASCADES WITH SNOW LEVELS NEAR 4000 FEET TUESDAY NIGHT.
BREEZY WINDS ARE EXPECTED NEAR THE BURN SITE TUESDAY AFTERNOON AND
EVENING.

***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 CLOUDY. SCATTERED SHOWERS
                    IN THE AFTERNOON. A SLIGHT CHANCE OF
                    THUNDERSTORMS.
CWR.................0.
MAX TEMPERATURE.....74.
MIN HUMIDITY........30 PERCENT.
WIND (20 FT)........VARIABLE (MAINLY SOUTH) 0-2 MPH...BECOMING
                    NORTH WINDS 3-6 MPH AFTER 2 PM.
 UPR SLP/RIDGETOP...SOUTH WINDS 3-8 MPH.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 6000 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTH 5 TO 9 MPH.

                           TEMPERATURE     HUMIDITY     20-FT WIND (MPH)
                    0800        45             78           S 2 MPH
                    1000        60             55           S-SW 2 MPH
                    1200        69             38           VRB 0-2 MPH
                    1400        74             30           VRB 0-2 MPH
                    1600        68             42           N 3 MPH
                    1800        59             51           N 4 MPH
                    2000        49             77           VRB 1-2 MPH

.TONIGHT...

SKY/WEATHER.........CLOUDY. SCATTERED SHOWERS THROUGH THE NIGHT.
                    A SLIGHT CHANCE OF EVENING THUNDERSTORMS.
CWR.................50.
MIN TEMPERATURE.....39.
MAX HUMIDITY........96 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 4-8 MPH.
 UPR SLP/RIDGETOP...SOUTH-SOUTHWEST WINDS 5-11 MPH.
MIXING HEIGHT.......6000 FT AGL DECREASING TO 1000 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 6 TO 15 MPH.

.TUESDAY...

SKY/WEATHER.........CLOUDY. SHOWERS LIKELY IN THE
                    MORNING...THEN SHOWERS IN THE AFTERNOON. COLDER.
                    BREEZY IN THE AFTERNOON.
CWR.................70.
MAX TEMPERATURE.....53.
MIN HUMIDITY........64 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 3-7 MPH...BECOMING NORTHWEST
                    WINDS 4-9 MPH AFTER 10 AM...INCREASING TO
                    8-12 MPH AFTER 3 PM.
 UPR SLP/RIDGETOP...SOUTH 5-10 MPH...SHIFTING TO NORTHWEST 8-12
                    MPH AFTER 12 PM.
MIXING HEIGHT.......1000 FT AGL INCREASING TO 4500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....LIGHT WINDS BECOMING WEST AROUND 9 MPH IN THE
                    AFTERNOON.

$$

FORECASTER...MARY JOHNSON
REQUESTED BY...AMANDA RAU
TYPE OF REQUEST...PRESCRIBED
.TAG 20100419.MCCAC.01/PDT