Spot Forecast
Issued by NWS Pendleton, OR
Issued by NWS Pendleton, OR
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925 FNUS76 KPDT 130042 FWSPDT Spot Forecast for Falls Fire...USFS National Weather Service Pendleton OR 542 PM PDT Fri Jul 12 2024 Forecast is based on forecast start time of 1900 MDT on July 12. ***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. ...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY EVENING... .DISCUSSION...Hot, dry, and unstable conditions will persist over the site through the weekend. Overnight RH recovery is anticipated to be poor along ridgetops, and moderate in valleys/drainages. A deep boundary layer will develop each day, facilitating gusty west-southwest winds. Isolated high-based showers or thunderstorms have a low chance (15%) of developing each afternoon. Any showers or thunderstorms that develop will be capable of producing erratic, gusty outflow winds. .TONIGHT... Sky/weather.........Mostly clear (5-15 percent). Haze and areas of smoke. CWR.................0 percent. LAL.................1. Min temperature.....57-60. Max humidity........29-34 percent. Wind (20 ft)........Becoming northwest 5-8 mph with gusts of 15-20 mph this evening. Downslope, downvalley 2-4 mph after midnight. Ridgetop wind.......Becoming northwest 5-8 mph with gusts of 15-20 mph this evening. Downslope, downvalley 2-4 mph after midnight. Mixing height.......Decreasing to 500-800 ft AGL overnight. Transport winds.....North around 10 mph. Haines Index........6 or high potential for large plume dominated fire growth. .SATURDAY... Sky/weather.........Sunny (5-15 percent). Haze and areas of smoke through the day. Slight chance of showers and thunderstorms in the afternoon. CWR.................0 percent. LAL.................2. Max temperature.....96-99. Min humidity........6-11 percent. Wind (20 ft)........Becoming southwest 4-9 mph in the morning, increasing to 9-14 mph gusting 15-25 mph in the afternoon. Any isolated thunderstorms that develop in the afternoon will be capable of producing erratic, gusty outflow winds. Ridgetop wind.......Becoming southwest 5-10 mph in the morning, increasing to 11-16 mph gusting 20-30 mph in the afternoon. Any isolated thunderstorms that develop in the afternoon will be capable of producing erratic, gusty outflow winds. Mixing height.......Increasing to 14000-15000 ft AGL by afternoon. Transport winds.....Southwest around 22 mph. Haines Index........6 or high potential for large plume dominated fire growth. .SATURDAY NIGHT... Sky/weather.........Partly cloudy (35-45 percent) then becoming mostly cloudy (50-60 percent). Slight chance of showers and thunderstorms in the evening. Areas of smoke in the evening. Haze through the night. Patchy smoke overnight. CWR.................0 percent. LAL.................2. Min temperature.....59-62. Max humidity........30-35 percent. Wind (20 ft)........Northwest winds 5-10 mph, gusting to 15 mph in the evening. Any isolated thunderstorms will be capable of producing erratic, gusty outflow winds. Ridgetop wind.......Northwest winds 5-10 mph, gusting to 15 mph in the evening. Any isolated thunderstorms will be capable of producing erratic, gusty outflow winds. Mixing height.......Decreasing to 600-800 ft AGL overnight Transport winds.....North around 12 mph. Haines Index........6 or high potential for large plume dominated fire growth. .SUNDAY... Sky/weather.........Mostly sunny (45-55 percent). Haze in the morning. Slight chance of showers and thunderstorms in the afternoon. CWR.................0 percent. LAL.................1. Max temperature.....91-94. Min humidity........8-13 percent. Wind (20 ft)........Light winds becoming west 5-10 mph, gusting to 15 mph in the afternoon. Any isolated thunderstorms will be capable of producing erratic, gusty outflow winds. Ridgetop wind.......Light winds becoming west 5-10 mph, gusting to 15 mph in the afternoon. Any isolated thunderstorms will be capable of producing erratic, gusty outflow winds. Mixing height.......Increasing to 11500-12500 ft AGL by afternoon. Transport winds.....West around 17 mph. Haines Index........6 or high potential for large plume dominated fire growth. $$ Forecaster...Plunkett Requested by...Scott MacDonald Type of request...WILDFIRE .TAG 2417911.0/PDT .DELDT 07/12/24 .FormatterVersion 2.0.0 .EMAIL ebb-6241@charter.net