Suppression Forecast
Issued by NWS Portland, OR

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11
000
FNUS76 KPQR 302317
FWSPQR

SPOT FORECAST FOR COLVIN CREEK...WA DNR
NATIONAL WEATHER SERVICE PORTLAND OR
417 PM PDT THU JUL 30 2015

FORECAST IS BASED ON REQUEST TIME OF 1520 PDT ON JULY 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 11 PM PDT FRIDAY...

.DISCUSSION...
VERY HOT...DRY...AND UNSTABLE CONDITIONS TO PERSIST THROUGH THE
END OF THE WEEK AS STRONG UPPER LEVEL HIGH PRESSURE SITS OVER
THE REGION. MID LEVEL HAINES 6 CONDITIONS WILL BRING IMPRESSIVE
MIXING AND INSTABILITY...CREATING CRITICAL FIRE WEATHER
CONDITIONS. EXPECT MAINLY TERRAIN DRIVEN WINDS...BUT WINDS WILL
BE NORTHERLY ALOFT AND MAY REACH THE HIGHER PORTIONS OF THE FIRE.
CONDITIONS WILL GRADUALLY IMPROVE OVER THE WEEKEND AS THE RIDGE
WEAKENS AND ONSHORE FLOW SLOWLY INCREASES...BUT IT WILL STILL
BE QUITE WARM AND DRY. THE COOLING TREND CONTINUES THROUGH THE
FIRST HALF OF NEXT WEEK WITH INCREASING ONSHORE FLOW AND MARINE
INFLUENCE.

.FRIDAY...

SKY/WEATHER.........SUNNY.
CWR (%).............0 PERCENT.
MAX TEMPERATURE.....90-95.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........UPSLOPE 2 TO 5 MPH...BECOMING
                    NORTH 3 TO 6 MPH IN THE
                    AFTERNOON.
VISIBILITY..........UNRESTRICTED.
CEILING.............NONE.
HAINES INDEX(HIGH)..5 (MODERATE).
HAINES INDEX(MID)...6 (HIGH).

.FRIDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR (%).............0 PERCENT.
MIN TEMPERATURE.....70-74.
MAX HUMIDITY........35-40 PERCENT.
WIND (20 FT)........NORTH 3 TO 6 MPH...BECOMING
                    DOWNSLOPE 2 TO 5 MPH AFTER
                    MIDNIGHT.
VISIBILITY..........UNRESTRICTED.
CEILING.............NONE.
HAINES INDEX(HIGH)..5 (MODERATE).
HAINES INDEX(MID)...6 (HIGH).

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY.
CWR (%).............0 PERCENT.
MAX TEMPERATURE.....85-90.
MIN HUMIDITY........25-30 PERCENT.
WIND (20 FT)........UPSLOPE 2 TO 5 MPH...BECOMING
                    NORTHWEST 4 TO 7 MPH IN THE
                    AFTERNOON.
VISIBILITY..........UNRESTRICTED.
CEILING.............NONE.
HAINES INDEX(HIGH)..5 (MODERATE).
HAINES INDEX(MID)...6 (HIGH).

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY...
PARTLY CLOUDY. LOWS 62 TO 66. HIGHS 83 TO 88. UPSLOPE WINDS 2 TO
5 MPH...BECOMING NORTHWEST 4 TO 7 MPH IN THE AFTERNOON.
MINIMUM HUMIDITY 30-35 PCT.
.MONDAY...
MOSTLY CLEAR. LOWS 58 TO 63. HIGHS 78 TO 83. UPSLOPE WINDS 2 TO
5 MPH BECOMING NORTHWEST WINDS 4 TO 7 MPH IN THE AFTERNOON.
MINIMUM HUMIDITY 35-40 PCT.
.TUESDAY...
PARTLY CLOUDY. LOWS 57 TO 62. HIGHS 74 TO 79. UPSLOPE 2 TO 5 MPH
BECOMING NORTHWEST 6 TO 10 MPH IN THE AFTERNOON WITH GUSTS TO 20
MPH. MINIMUM HUMIDITY 35-45 PCT.

$$
FORECASTER...PYLE
REQUESTED BY...COLVIN CREEK ICP
REASON FOR REQUEST...WILDFIRE
.TAG 20150730.COLVI.01/PQR



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.