332
FNUS76 KPQR 210044
FWSPQR

Spot Forecast for Whisky Creek...Forest Service
National Weather Service Portland OR
544 PM PDT Fri Sep 20 2024

Forecast is based on forecast start time of 1800 PDT on September 20.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...High pressure aloft will maintain dry and fairly
calm conditions through Saturday and Sunday. However, temperatures
will warm further on Saturday afternoon compared to the day prior
with RHs nudging a bit lower as well. Expect winds to pick up an
easterly component on Saturday before shifting back to the west
and increasing again Sunday afternoon - overnight winds largely
stay terrain driven.

.TONIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
Min temperature.....40-45.
Max humidity........85-95 percent.
Wind (20 ft)........
 Slope/valley.......West winds 4 to 10 mph in the evening
                    becoming light downslope/valley winds
overnight.
 Ridgetop...........West winds 6 to 12 mph with gusts to 28
mph in the evening decrease, becoming
East at 5 mph late overnight.
Mixing height.......Lowering to 300 ft AGL 2000-2200.
Haines Index........3 (very low).

.SATURDAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
Max temperature.....66-71.
Min humidity........37-44 percent.
Wind (20 ft)........
 Slope/valley.......Light drainage winds becoming east
around 5 mph in the afternoon.
 Ridgetop...........East winds 5 to 10 mph
Mixing height.......Rising to 3200 ft AGL by midday.
Haines Index........2 (very low).

.SATURDAY NIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
Min temperature.....44-49.
Max humidity........71-81 percent.
Wind (20 ft)........
 Slope/valley.......East winds 3 to 5 mph becoming
downslope/valley winds in the evening.
 Ridgetop...........Southeast around 5 mph.
Mixing height.......Lowering to 300 ft AGL 2000-2200.
Haines Index........2 (very low).

.SUNDAY...

Sky/weather.........Partly cloudy.
CWR.................0 percent.
Max temperature.....65-70.
Min humidity........50-57 percent.
Wind (20 ft)........
 Slope/valley.......Light winds becoming west 4 to 10 mph in the
                    afternoon.
 Ridgetop...........Light winds becoming west 5 to 12 mph with gust
to 20 mph in the afternoon.
Mixing height.......Rising to 2800 ft AGL by midday.
Haines Index........2 (very low).

$$
Forecaster...Schuldt
Requested by...Nathaniel Markson
Type of request...WILDFIRE
.TAG 2422489.5/PQR
.DELDT 09/20/24
.FormatterVersion 2.0.0
.EMAIL Nathaniel_Markson@firenet.gov