591
FNUS76 KPDT 202058
FWSPDT

Spot Forecast for Highway 730 & 37 Fire...Umatilla Sheriffs Office
National Weather Service Pendleton OR
158 PM PDT Mon May 20 2024

Forecast is based on forecast start time of 1500 PDT on May 20.
***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.

.DISCUSSION...High pressure keeps conditions on the calmer side
today with clear skies and winds generally 5 to 10 mph from the
west to southwest. Tomorrow a system will approach with skies
becoming cloudy and rain likely by the afternoon. Winds will also
be breezy, with speeds 10 to 20 mph and gusts around 25 mph.

.REST OF TODAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....75-78.
Min humidity........19-24 percent.
Wind (20 ft)........West winds 5 to 10 mph.
Mixing height.......8700 ft AGL.
Transport winds.....West around 9 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....46-49.
Max humidity........70-75 percent.
Wind (20 ft)........Southwest winds 5 to 10 mph.
Mixing height.......8300 ft AGL early in the evening then 600 ft
                    AGL overnight.
Transport winds.....Southwest around 12 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.TUESDAY...

Sky/weather.........Mostly sunny (40-50 percent) then becoming
                    cloudy (90-100 percent). Chance of rain showers
                    in the afternoon.
CWR.................15 percent.
LAL.................1.
Max temperature.....70-73.
Min humidity........35-40 percent.
Wind (20 ft)........Southwest winds 7 to 19 mph with gusts to
                    around 25 mph.
Mixing height.......4200 ft AGL.
Transport winds.....Southwest around 24 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Goatley
Requested by...Kerri Roberts
Type of request...WILDFIRE
.TAG 2414759.0/PDT
.DELDT 05/20/24
.FormatterVersion 2.0.0
.EMAIL kerri.roberts@umatillacounty.gov