605
FNUS76 KPQR 191242
FWSPQR

Spot Forecast for Sandstone Fire...USFS
National Weather Service Portland OR
542 AM PDT Thu Sep 19 2024

Forecast is based on forecast start time of 0500 PDT on September 19.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...High pressure will remain over the region through
Saturday. As such, conditions more like late September will
continue. Weakening front will move across the region tonight into
early Friday, but no rain expected. Main effect will be an uptick
of the onshore flow, with gusty west winds on high ridges.


.TODAY...
Sky/weather.........Morning clouds, then becoming mostly sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....around 63.
Min humidity........around 55 percent.
Wind (20 ft)........
 Slope/valley.......Variable 0-2 mph, becoming northwest 2-5 mph
                      by afternoon.
 Ridgetop...........North to northwest 3-7 mph.
Mixing height.......Rising to about 4000 ft.
Transport winds.....Northwest 10 mph.
Haines Index........4 (low).


.TONIGHT...
Sky/weather.........Mostly clear early, then partly cloudy.
CWR.................0 percent.
LAL.................1.
Min temperature.....40-45.
Max humidity........85-95 percent.
Wind (20 ft)........
 Slope/valley.......Light drainage, becoming variable 0-2 mph late.
 Ridgetop...........Northwest 2-6 mph, becoming northwest 5-9 mph
                      with gusts to 20 mph after midnight.
Mixing height.......lowering to near surface.
Transport winds.....Northwest 10 mph.
Haines Index........4 (low).


.FRIDAY..
Sky/weather.........Partly sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....around 60.
Min humidity........60-65 percent.
Wind (20 ft)........
 Slope/valley.......Variable 0-2 mph early, then northwest 2-5 mph.
 Ridgetop...........West to northwest 6-10 mph. Gusts to 20 mph.
Mixing height.......Rising to about 4000 ft.
Transport winds.....Northwest 10-15 mph.
Haines Index........4 (low).


$$
Forecaster...Rockey
Requested by...Carson Kerr IC
Type of request...WILDFIRE
.TAG 2422454.3/PQR
.DELDT 09/19/24
.FormatterVersion 2.0.0
.EMAIL carson.kerr@usda.gov