287
FNUS76 KSEW 241153
FWSSEW

Spot Forecast for Ruby Fire...NPS
National Weather Service Seattle WA
453 AM PDT Tue Sep 24 2024

Forecast is based on forecast start time of 0500 PDT on September 24.
If conditions become unrepresentative, contact the National Weather
Service.

Please contact our office at (206) 526-6095, if you have questions
or concerns with this forecast.

.DISCUSSION...High pressure moving over the area combined with
weak offshore flow will bring generally warm conditions to the
site today. A fall-like frontal system moving into the region on
Wednesday will bring greater chances of wetting rains to the site
and a slight chance for thunderstorms. Winds will increase on
Wednesday morning as the system moves in and could be gusty and
erratic in any thunderstorms that do develop.

.TODAY...

Sky/weather.........Mostly sunny. Slight chance of rain
                    showers in the afternoon.
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 70.
Min humidity........53 percent.
Wind (20 ft)........Southeast winds 5 to 6 mph shifting to the
                    southwest around 6 to 8 mph in the afternoon.
Mixing height.......1500 ft AGL increasing to 4000 AGL by late
                    morning.
Transport winds.....South to southwest around 8 to 10 mph.
Haines mid level....5 or moderate potential for large plume
                    dominated fire growth.
Rainfall amount.....Less than 0.05 inches.

.TONIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy.
                    Chance of rain showers.
CWR.................5 percent.
LAL.................1.
Min temperature.....Around 49.
Max humidity........92 percent.
Wind (20 ft)........South winds 7 to 10 mph.
Mixing height.......1600 ft AGL decreasing to 200 ft AGL.
Transport winds.....South around 10 mph.
Haines mid level....5 or moderate potential for large plume
                    dominated fire growth.
Rainfall amount.....Less than 0.05 inches.

.WEDNESDAY...

Sky/weather.........Cloudy. Rain showers and slight chance
                    of thunderstorms.
CWR.................60 percent.
LAL.................2.
Max temperature.....Around 53.
Min humidity........83 percent.
Wind (20 ft)........Southwest winds 10 to 15 mph. Gusty and erratic
                    winds expected near thunderstorms.
Mixing height.......200 ft AGL increasing to 1000 ft AGL by late
                    morning.
Transport winds.....Southwest around 14 to 18 mph.
Haines mid level....3 or very low potential for large plume
                    dominated fire growth.
Rainfall amount.....0.39 inches.

$$
Forecaster...Borth
Requested by...IMT
Type of request...WILDFIRE
.TAG 2422139.11/SEW
.DELDT 09/24/24
.FormatterVersion 2.0.0
.EMAIL 2024.ruby.plans@firenet.gov