Suppression Forecast
Issued by NWS Pendleton, OR

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000
FNUS76 KPDT 182208
FWSPDT

SPOT FORECAST FOR SAFR NW UNIT 25...USFS DEF
NATIONAL WEATHER SERVICE PENDLETON OR
308 PM PDT MON MAY 18 2015

FORECAST IS BASED ON IGNITION TIME OF 1440 PDT ON MAY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...UNSETTLED WEATHER WILL PERSIST WITH A CHANCE OF SHOWERS
AND THUNDERSTORMS EACH DAY. WINDS WILL GENERALLY BE NORTHERLY...BUT
COULD BECOME GUSTY AND ERRATIC IN THE VICINITY OF THUNDERSTORMS.
HIGH TEMPERATURES WILL BE AROUND 70 EACH DAY WITH RELATIVE HUMIDITY
MINIMUMS NEAR 40 PERCENT. EXCELLENT OVERNIGHT HUMIDITY RECOVERY IS
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***

.TUESDAY...

SKY/WEATHER.........CLOUDY. A CHANCE OF SHOWERS IN THE
                    MORNING...THEN SHOWERS LIKELY AND A SLIGHT
                    CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
CWR.................44 PERCENT.
MAX TEMPERATURE.....66-71.
MIN HUMIDITY........45-50 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 3 TO 7 MPH BECOMING NORTH 4 TO 9
                    MPH IN THE AFTERNOON. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.
RIDGETOP WIND.......NORTHWEST 4 TO 8 MPH BECOMING NORTH 5 TO 10 MPH
                    IN THE AFTERNOON
MIXING HEIGHT.......1000 FT AGL INCREASING TO 5500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....NORTH 5 TO 14 MPH.

        TEMPERATURE     HUMIDITY     20-FT WIND (MPH)
1000        58             66           NW 4
1200        63             55           NW 5
1400        69             50            N 8
1600        70             45            N 8
1800        66             50            N 8
2000        62             55           NW 8

.TUESDAY NIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SHOWERS LIKELY AND A SLIGHT
                    CHANCE OF THUNDERSTORMS IN THE EVENING...THEN A
                    CHANCE OF SHOWERS AFTER MIDNIGHT.
CWR.................28 PERCENT.
MIN TEMPERATURE.....44-49.
MAX HUMIDITY........91-96 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH BECOMING WEST 2 TO
                    5 MPH AFTER MIDNIGHT. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    EVENING.
RIDGETOP WIND.......NORTHWEST 6 TO 11 MPH SHIFTING NORTHEAST AFTER
                    MIDNIGHT.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 6 TO 14 MPH.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN
                    THE MORNING...THEN A CHANCE OF SHOWERS AND A
                    SLIGHT CHANCE OF THUNDERSTORMS IN THE
                    AFTERNOON.
CWR.................32 PERCENT.
MAX TEMPERATURE.....68-73.
MIN HUMIDITY........38-43 PERCENT.
WIND (20 FT)........UPSLOPE LESS THAN 5 MPH BECOMING NORTHEAST 5 TO
                    10 MPH IN THE AFTERNOON. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.
RIDGETOP WIND.......NORTHEAST 4 TO 8 MPH INCREASING TO 6 TO 12 MPH
                    IN THE AFTERNOON.
MIXING HEIGHT.......NEAR SURFACE INCREASING TO 6300 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....NORTHEAST 5 TO 9 MPH.

$$
FORECASTER...RACHEL COBB
REQUESTED BY...AMANDA STAMPER
TYPE OF REQUEST...PRESCRIBED
.TAG 20150518.SAFRN.01/PDT


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