983
FNUS76 KPQR 101232
FWSPQR

Spot Forecast for Blue 190 RX...USFS
National Weather Service Portland OR
532 AM PDT Mon Jun 10 2024

Forecast is based on ignition time of 1000 PDT on June 10.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...High pressure will lead to warm and dry conditions.
Humidity values below are representative of the fire site, but
humidity values will be close to 30% in the valley. Expect
diurnally driven winds along the slopes and valleys, especially in
the afternoon. Onshore flow will support favorable overnight
humidity recovery. A weak thermal belt may develop around 2000 ft
early Tuesday morning. On Tuesday, a weak front will push through
the region, but no precipitation is expected. The frontal passage
will lead to increased valley humidity and slightly elevated
winds.

.REST OF TODAY...

Sky/weather.........Sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 78.
Min humidity........39 to 41 percent.
Wind (20 ft)........
 Slope..............Upslope winds becoming north 5 to 6 mph
                    in the afternoon.
 Ridgetop...........North 3 to 5 mph becoming northwest
                    4 to 6 mph in the afternoon.
Mixing height.......4500 ft AGL.
Transport winds.....Northwest around 5 mph.
Haines Index........4 (low).
Haines Index (Mid)..5 (moderate).

.TONIGHT...

Sky/weather.........Clear.
CWR.................0 percent.
LAL.................1.
Min temperature.....Around 53.
Max humidity........72 percent.
Wind (20 ft)........
 Slope..............Northwest winds 3 to 5 mph in the evening
                    becoming variable less than 3 mph overnight.
 Ridgetop...........Northwest winds 4 to 6 mph in the evening
                    becoming variable less than 3 mph overnight.
Mixing height.......1100 ft AGL.
Transport winds.....Southwest around 5 mph.
Haines Index........4 (low).
Haines Index (Mid)..5 (moderate).

.TUESDAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 73.
Min humidity........45 to 47 percent.
Wind (20 ft)........
 Slope..............Upslope winds becoming north 6 to 8 mph with
                    gusts to 14 mph in the afternoon.
 Ridgetop...........Northwest winds 8 to 10 mph with gusts to
                    20 mph in the afternoon.
Mixing height.......5400 ft AGL.
Transport winds.....West around 10 mph.
Haines Index........4 (low).
Haines Index (Mid)..4 (low).

$$
Forecaster...Alviz/Muessle
Requested by...Dirk Rogers
Type of request...PRESCRIBED
.TAG 2415837.1/PQR
.DELDT 06/10/24
.FormatterVersion 2.0.0
.EMAIL dirk.rogers@usda.gov