525
FNUS76 KPQR 250110
FWSPQR

Spot Forecast for Williams Mine...Forest Service
National Weather Service Portland OR
610 PM PDT Tue Sep 24 2024

Forecast is based on forecast start time of 0800 PDT on September 25.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Winds will shift back onshore and bring much cooler and
and wetter conditions back to the area on Wednesday as front approaches
from the Pacific. Rain will likely move into the area 1000-1200 late
Wednesday morning and persist through Wednesday evening. Expect rain
amounts around tenth of an inch or slightly higher on the fire through
Wednesday evening. Can`t rule out a few embedded wet thunderstorms in the
afternoon. Gusty west winds will accompany the passage of the front in the
afternoon, diminishing after midnight. Benign and mild onshore flow then
expected Thursday into the end of the week.

.WEDNESDAY...

Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Chance of rain showers in the morning. Rain
showers likely in the afternoon. Slight chance
of thunderstorms in the afternoon.
CWR.................20 percent.
LAL.................2.
Max temperature.....62-68.
Min humidity........65-75 percent.
Wind (20 ft)........
 Slope/valley.......West winds 5 to 10 mph. Gusts to 15 mph in the
afternoon. Gusty and erratic winds possible near
thunderstorms.
 Ridgetop...........West winds 5 to 10 mph. Gusts to 25 mph in the
afternoon. Gusty and erratic winds possible near
thunderstorms.
Mixing height.......3400 ft AGL.
Transport winds.....West around 20 mph.
Haines Index........3 (very low).
Haines Index (Mid)..3 (very low).

.WEDNESDAY NIGHT...

Sky/weather.........Mostly cloudy then becoming mostly clear after
0300. Chance of rain showers and slight chance
of thunderstorms in the evening.
CWR.................10 percent.
LAL.................2.
Min temperature.....Around 39.
Max humidity........95-100 percent.
Wind (20 ft)........
 Slope/valley.......West winds 5 to 10 mph becoming light. Gusts up to
15 mph in the evening. Gusty and erratic winds possible
                    near thunderstorms.
 Ridgetop...........West winds 5 to 10 mph becoming light. Gusts up to
25 mph in the evening. Gusty and erratic winds possible
                    near thunderstorms.
Mixing height.......700 ft AGL.
Transport winds.....Northwest around 15 mph.
Haines Index........4 (low).
Haines Index (Mid)..3 (very low).

.THURSDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
LAL.................1.
Max temperature.....62-68.
Min humidity........25-35 percent.
Wind (20 ft)........
 Slope/valley.......Light winds.
 Ridgetop...........Light winds, becoming west around 5 mph in the
afternoon.
Mixing height.......3500 ft AGL.
Transport winds.....West around 10 mph.
Haines Index........4 (low).
Haines Index (Mid)..5 (moderate).

$$
Forecaster...Burling
Requested by...Matt Nunnelly
Type of request...WILDFIRE
.TAG 2422988.0/PQR
.DELDT 09/24/24
.FormatterVersion 2.0.0
.EMAIL matthew.nunnelly@alaska.gov