496
FNUS76 KPQR 201200
FWSPQR

Spot Forecast for Armet 37...USFS
National Weather Service Portland OR
500 AM PDT Mon May 20 2024

Forecast is based on ignition time of 0700 PDT on May 20.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...A weak ridge of high pressure ensures dry and fairly
calm conditions today with terrain driven winds to start shifting
to the northwest by midday. Expect lighter terrain driven winds
again tonight into Tuesday morning. Come the second half of
Tuesday a frontal boundary arriving from the north increases
rainfall across the local area after 1400-1500. Overnight RH
recoveries remain excellent.


.REST OF TODAY...

Sky/weather.........Mostly sunny. Patchy fog before 1000.
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 58.
Min humidity........43 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds 3 to 7 mph.
 Ridgetop...........Northwest winds 4 to 8 mph with gusts up to 15 mph
after 1300.
Mixing height.......Near surface rising to 4400 ft AGL early afternoon.
Transport winds.....North around 10 mph.
Haines Index........4 (low).
Haines Index (Mid)..4 (low).

.TONIGHT...

Sky/weather.........Mostly clear.
CWR.................1 percent.
LAL.................1.
Min temperature.....Around 37.
Max humidity........97 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds 3 to 6 mph in the evening
                    becoming light and variable.
 Ridgetop...........Northwest winds 3 to 7 mph in the evening
                    becoming light and variable.
Mixing height.......Lowering to 700 ft AGL in the evening.
Transport winds.....North around 5 mph.
Haines Index........4 (low).
Haines Index (Mid)..4 (low).

.TUESDAY...

Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Chance of rain in the afternoon, mainly after
1400.
CWR.................10 percent.
LAL.................1.
Max temperature.....Around 57.
Min humidity........60 percent.
Wind (20 ft)........
 Slope/valley.......Light and variable wind becoming northwest at
3 to 5 mph in the afternoon.
 Ridgetop...........Light and variable wind becoming northwest around
5 mph in the afternoon.
Mixing height.......Rising to 3200 ft AGL midday.
Transport winds.....West around 6 mph.
Haines Index........3 (very low).
Haines Index (Mid)..3 (very low).

$$
Forecaster...Schuldt
Requested by...Matthew Pederson
Type of request...PRESCRIBED
.TAG 2414668.0/PQR
.DELDT 05/20/24
.FormatterVersion 2.0.0
.EMAIL matthew.pederson@usda.gov