Spot Forecast
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
465 FNUS76 KPDT 291132 FWSPDT Spot Forecast for HWY20 RX units 62,63,80...USFS National Weather Service Pendleton OR 432 AM PDT Wed May 29 2024 Forecast is based on ignition time of 0600 PDT on May 29. ***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...An upper level trough will remain in place over the region this morning bringing chances of rain showers early this morning (20%). Westerly winds will prevail with sustained winds 10-20 mph with gusts to 25 mph this morning (<20%). Winds will remain elevated through the evening before decreasing tomorrow. Daytime RHs will be moderate with excellent overnight recoveries. An upper level ridge will move in overnight bringing decreased winds, warmer temperatures and poor daytime RHs. .TODAY... Sky/weather.........Mostly sunny (20-30 percent). Slight chance of thunderstorms and isolated rain showers early in the morning. CWR.................0 percent. LAL.................1. Max temperature.....59-62. Min humidity........30-35 percent. Wind (20 ft)........West winds 5 to 10 mph. Gusts up to 25 mph late in the morning. Gusty and erratic winds expected near thunderstorms early in the morning. Mixing height.......4700 ft AGL. Transport winds.....West 13 to 21 mph. Haines Index........2 to 4 or very low to low potential for large plume dominated fire growth. TIME (PDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Temp............36 42 50 56 57 57 RH..............84 71 55 44 40 39 20 ft wind......W 5 W 6 W 6 W 8 W 10 W 10 20 ft wind gust.7 12 12 16 18 18 .TONIGHT... Sky/weather.........Mostly clear (15-25 percent). CWR.................0 percent. LAL.................1. Min temperature.....30-33. Max humidity........83-88 percent. Wind (20 ft)........Northwest winds 5 to 10 mph with gusts to around 20 mph in the evening becoming light. Mixing height.......500 ft AGL. Transport winds.....West 16 to 21 mph decreasing to 5 to 9 mph late in the evening. Haines Index........2 or very low potential for large plume dominated fire growth. .THURSDAY... Sky/weather.........Sunny (5-15 percent). CWR.................0 percent. LAL.................1. Max temperature.....70-73. Min humidity........22-27 percent. Wind (20 ft)........Light winds becoming northwest 5 to 7 mph late in the afternoon. Mixing height.......6100 ft AGL. Transport winds.....West around 5 mph early in the morning becoming light, then becoming northwest 6 to 9 mph late in the morning. Haines Index........2 or very low potential for large plume dominated fire growth. $$ Forecaster...Bennese Requested by...Burn boss Trainee Type of request...PRESCRIBED .TAG 2415239.0/PDT .DELDT 05/29/24 .FormatterVersion 2.0.0 .EMAIL Tj.whitehall@usda.gov