Spot Forecast
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
609 FNUS76 KPDT 242234 FWSPDT Spot Forecast for Swauk Creek Fire...USFS National Weather Service Pendleton OR 334 PM PDT Tue Sep 24 2024 Forecast is based on forecast start time of 0700 PDT on September 25. ***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...A cold front will move through the site tomorrow and bring notable impacts including a chance of showers, a slight chance of a thunderstorms during the afternoon, and breezy winds. Westerlies around 10 to 20 mph are forecast, but localized gusts could be higher. Best chance at seeing showers expected between 10 AM and 4 PM; thunderstorms could occur between 1 PM and 7 PM, though once again the chance is low. And if a storm does occur, it would most likely being limited on overall lightning, along with a chance of locally gusty winds if the storm does move over the site. On Thursday conditions calm back down and clear out. .WEDNESDAY... Sky/weather.........Mostly sunny (25-35 percent) then becoming mostly cloudy (70-80 percent). Rain showers likely late in the morning. Slight chance of thunderstorms late in the afternoon. CWR.................3 percent increasing to 21 percent late in the morning, then decreasing to 10 percent late in the afternoon. LAL.................1 until 1400, then 2. Max temperature.....Around 70. Min humidity........45-50 percent. Wind (20 ft)........Light winds becoming west 6 to 12 mph with gusts to around 20 mph early in the morning. Gusty and erratic winds expected near thunderstorms late in the afternoon. Ridgetop wind.......West winds 7 to 14 mph with gusts to 22 mph. Mixing height.......3800 ft AGL early in the morning. Transport winds.....West 10 to 18 mph increasing to 21 to 25 mph late in the afternoon. Haines Index........2 to 3 or very low potential for large plume dominated fire growth. TIME (PDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM Temp............54 58 65 66 63 58 RH..............81 74 50 50 50 63 20 ft wind......SW 3 W 6 W 8 W 8 W 11 W 10 20 ft wind gust.5 7 14 14 18 17 .WEDNESDAY NIGHT... Sky/weather.........Mostly cloudy (60-70 percent) then becoming mostly clear (15-25 percent). Slight chance of thunderstorms early in the evening. Chance of rain showers in the evening. CWR.................10 percent decreasing to 0 percent late in the evening. LAL.................2 until 2000, then 1. Min temperature.....40-43. Max humidity........82-87 percent. Wind (20 ft)........West winds 5 to 10 mph with gusts to around 18 mph in the evening and overnight becoming light. Gusty and erratic winds expected near thunderstorms early in the evening. Ridgetop wind.......West winds 6 to 12 mph with gusts to 20 mph. Mixing height.......600 ft AGL. Transport winds.....West 21 to 25 mph decreasing to 8 to 15 mph late in the evening. Haines Index........3 to 4 or very low to low potential for large plume dominated fire growth. .THURSDAY... Sky/weather.........Sunny (10-20 percent). CWR.................6 percent. LAL.................1. Max temperature.....64-67. Min humidity........20-25 percent. Wind (20 ft)........Light winds becoming south 5 to 8 mph late in the afternoon. Ridgetop wind.......Light winds becoming south 5 to 10 mph. Mixing height.......3700 ft AGL early in the morning. Transport winds.....Northwest 7 to 8 mph shifting to the southwest 8 to 14 mph late in the morning. Haines Index........2 to 4 or very low to low potential for large plume dominated fire growth. $$ Forecaster...Goatley Requested by...Rachel Granberg Type of request...WILDFIRE .TAG 2422869.2/PDT .DELDT 09/25/24 .FormatterVersion 2.0.0 .EMAIL rachel.granberg@usda.gov