871
FNUS76 KPQR 091213
FWSPQR

Spot Forecast for Blue 190 RX...USFS
National Weather Service Portland OR
513 AM PDT Sun Jun 9 2024

Forecast is based on ignition time of 0800 PDT on June 09.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...A weak front will move through the area, enhancing
northwesterly flow. Diurnally driven winds along the slopes and
valleys, especially in the afternoon. No precipitation expected today
with the frontal passage. High pressure re-builds Monday. Conditions
will be warm and dry, but humidity values will remain above
critical thresholds. Onshore flow will support favorable overnight
humidity recovery. Upslope winds will turn more northerly and
strengthen as pressure gradients tighten.

.TODAY...

Sky/weather.........Partly cloudy then becoming mostly sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 73.
Min humidity........44 to 46 percent.
Wind (20 ft)........
 Slope..............Upslope winds becoming north 5 to 7 mph
                    with gusts to 13 mph in the afternoon.
 Ridgetop...........North 3 to 5 mph becoming northwest 7 to 9 mph
                    with gusts to 16 mph in the afternoon.
Mixing height.......4700 ft AGL.
Transport winds.....Northwest around 7 mph.
Haines Index........3 (very low).
Haines Index (Mid)..4 (low).

.TONIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
LAL.................1.
Min temperature.....Around 50.
Max humidity........87 percent.
Wind (20 ft)........
 Slope..............North winds 3 to 5 mph in the evening becoming
                    variable less than 3 mph overnight.
 Ridgetop...........Northwest winds 5 to 7 mph in the evening becoming
                    3 to 5 mph overnight.
Mixing height.......1100 ft AGL.
Transport winds.....Northwest around 6 mph.
Haines Index........4 (low).
Haines Index (Mid)..4 (low).

.MONDAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 77.
Min humidity........39 to 41 percent.
Wind (20 ft)........
 Slope..............Upslope winds becoming north 4 to 6 mph
                    in the afternoon.
 Ridgetop...........Northwest 6 to 9 mph with gusts to 18 mph
                    in the afternoon.
Mixing height.......4600 ft AGL.
Transport winds.....Northwest around 6 mph.
Haines Index........3 (very low).
Haines Index (Mid)..4 (low).

$$
Forecaster...Alviz/Muessle
Requested by...Dirk Rogers
Type of request...PRESCRIBED
.TAG 2415837.0/PQR
.DELDT 06/09/24
.FormatterVersion 2.0.0
.EMAIL dirk.rogers@usda.gov