171
FNUS76 KPDT 031553
FWSPDT

Spot Forecast for Lyons Ferry...College Place Fire Department
National Weather Service Pendleton OR
853 AM PDT Wed Jul 3 2024

Forecast is based on forecast start time of 0900 PDT on July 03.
***Thunderstorms imply gusty and erratic winds***
***Winds are 20 foot 10-minute averages***
***CWR-Chance of wetting rain 0.10 or greater***

If you have questions or concerns with this forecast, please
contact our office at (541) 276-8134.

...EXCESSIVE HEAT WARNING IN EFFECT FROM NOON FRIDAY TO 10 PM PDT
TUESDAY...

.DISCUSSION...A warm dry northwest flow continues across the
region today with generally light winds. A ridge of high
pressure will begin building into the region Thursday providing
hotter conditions and light winds.

.REST OF TODAY...

Sky/weather.........Sunny (0-5 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....81-84.
Min humidity........20-25 percent.
Wind (20 ft)........Southwest winds 6 to 10 mph.
Ridgetop wind.......Southwest 8 to 12 mph.
Mixing height.......8000 ft AGL.
Transport winds.....Southwest around 10 mph.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

TIME (PDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM
Temp............67  70  74  77  79  81  83  83  83  82  83  79
RH..............43  41  36  33  29  27  23  23  22  22  22  25
20 FT wind dir..SW  SW  SW  SW  SW  W   W   W   W   W   W   SW
20 FT wind spd.. 7   8   8   8  10  10  10  10  10  10   9   8
20 FT wind gust.14  14  14  14  15  17  17  17  17  16  15  12

.TONIGHT...

Sky/weather.........Clear (0-10 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....56-59.
Max humidity........50-55 percent.
Wind (20 ft)........Southwest winds 5 to 10 mph shifting to the
                    south 2 to 5 mph overnight.
Ridgetop wind.......Southwest 6 to 12 mph becoming 4 to 6 mph
                    overnight
Mixing height.......7000 ft AGL early in the evening then near
                    surface.
Transport winds.....Southwest around 10 mph shifting to the south
                    overnight.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

.INDEPENDENCE DAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....87-91.
Min humidity........15-20 percent.
Wind (20 ft)........Southwest winds 3 to 6 mph shifting to the
                    north to northeast late in the afternoon.
Ridgetop wind.......Southwest 4 to 8 mph shifting to the
                    north to northeast late in the afternoon.
Mixing height.......7500 ft AGL early in the morning.
Transport winds.....Southwest around 10 mph shifting to the north
                    mph late in the afternoon.
Haines Index........2 to 5 or very low to moderate potential for
                    large plume dominated fire growth.

$$
Forecaster...Solomon
Requested by...David Winter
Type of request...WILDFIRE
.TAG 2417303.0/PDT
.DELDT 07/03/24
.FormatterVersion 2.0.0
.EMAIL dwinter@cpwa.us