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FNUS76 KPDT 031153

FWSPDT



Spot Forecast for BIg Eddy 3 - PFTC...USFS

National Weather Service Pendleton OR

453 AM PDT Fri May 3 2024



Forecast is based on ignition time of 0500 PDT on May 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.



.DISCUSSION...There is a ridge of high pressure passing over the

region today ahead of an approaching weather system. Will see

increasing high clouds today then increasing chance of rain in

the late afternoon and evening followed by rain overnight and

Saturday. Southerly winds increase today ahead of the system

followed by a wind shift on Saturday and cooler conditions.  



.TODAY...



Sky/weather.........Sunny (5-15 percent) with patchy morning fog

                    then increasing clouds becoming mostly cloudy 

                    (75-90 percent). Chance of rain late in the

                    late afternoon and evening. 

CWR.................0 percent increasing to 30 percent late in the 

                    afternoon. 

LAL.................1. 

Max temperature.....60-63. 

Min humidity........25-30 percent. 

Wind (20 ft)........South winds 5 to 10 mph. 

Ridgetop wind.......South 7 to 12 mph 

Mixing height.......5500 ft AGL early in the morning. 

Transport winds.....South 8 to 15 mph. 

Haines Index........3 or very low to low potential for large 

                    plume dominated fire growth. 



.TONIGHT...



Sky/weather.........Cloudy (90-100 percent). Chance of rain in the 

                    evening, then rain likely overnight.  

CWR.................30 percent increasing to 95 percent. 

LAL.................1. 

Min temperature.....40-43. 

Max humidity........90-98 percent. 

Wind (20 ft)........South winds 5 to 8 mph. 

Ridgetop wind.......South 8 to 15 mph 

Mixing height.......5500 feet in the evening than around

                    1000 ft AGL overnight. 

Transport winds.....South 10 to 20 mph. 

Haines Index........2 or very low potential for large plume 

                    dominated fire growth. 



.SATURDAY...



Sky/weather.........Cloudy (80-95 percent). Rain, then rain and

                    snow likely in the afternoon. 

CWR.................95 percent decreasing to 65 percent in the 

                    afternoon. 

LAL.................1. 

Max temperature.....45-48. 

Min humidity........65-75 percent. 

Wind (20 ft)........South winds 5 to 10 mph shifting to the west 

                    6 to 12 mph mid morning. 

Ridgetop wind.......South 8 to 15 mph shifting to west 10 to 15 mph

                    mid morning. 

Mixing height.......3500 ft AGL. 

Transport winds.....South 12 to 17 mph shifting to the west in mid

                    morning.  

Haines Index........2 or very low potential for large plume 

                    dominated fire growth. 



$$

Forecaster...Solomon

Requested by...Jessie Creech

Type of request...PRESCRIBED

.TAG 2413036.1/PDT

.DELDT 05/03/24

.FormatterVersion 2.0.0

.EMAIL jessie.creech@usda.gov