488
FNUS76 KPDT 311743
FWSPDT

Spot Forecast for West Maintenance 5I- FI210...USFS
National Weather Service Pendleton OR
1043 AM PDT Fri May 31 2024

Forecast is based on ignition time of 1100 PDT on May 31.
***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...Weak high pressure aloft will be pushed east of
the area as a weak low pressure system arrives tomorrow. Winds
will be less than 10 mph and from the north-northeast today,
with west winds 5 to 10 mph and occasional gusts to around
17 mph in the afternoon tomorrow. RHs will be in the mid teens
to mid 20s today, then increasing into the 30s tomorrow
afternoon with a marine push. Overnight recovery will be excellent.

.REST OF TODAY...

Sky/weather.........Mostly sunny (25-35 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....73-76.
Min humidity........19-24 percent.
Wind (20 ft)........North-northeast winds 4 to 8 mph.
Mixing height.......6400 ft AGL.
Transport winds.....East around 6 mph shifting to the northwest 6
                    to 8 mph late in the afternoon.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

TIME (PDT)      11 AM  1 PM   3 PM   5 PM   7 PM   9 PM
Temp............64     67     72     71     69     59
RH..............34     29     22     24     30     40
20 ft wind......E 5    ENE 5  NE 5   NE 7   NE 7   N 6
20 ft wind gust.7      7      8      10     10     10

.TONIGHT...

Sky/weather.........Partly cloudy (30-40 percent) then becoming
                    mostly cloudy (45-55 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....42-45.
Max humidity........75-80 percent.
Wind (20 ft)........North winds 5 to 8 mph, becoming downslope
overnight.
Mixing height.......700 ft AGL.
Transport winds.....North 7 to 9 mph shifting to the west around 6
                    mph overnight.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.SATURDAY...

Sky/weather.........Partly sunny (50-60 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....67-70.
Min humidity........32-37 percent.
Wind (20 ft)........Downslope winds in the morning, becoming west
5 to 10 mph with occasional gusts to around
17 mph in the afternoon.
Mixing height.......6300 ft AGL.
Transport winds.....West 6 to 15 mph increasing to around 17 mph
                    late in the afternoon.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Lawhorn
Requested by...Deschutes NF
Type of request...PRESCRIBED
.TAG 2415418.0/PDT
.DELDT 05/31/24
.FormatterVersion 2.0.0
.EMAIL christopher.duke@usda.gov