385
FNUS76 KPDT 101257
FWSPDT

Spot Forecast for Rocky 79...USFS
National Weather Service Pendleton OR
557 AM PDT Mon Jun 10 2024

Forecast is based on ignition time of 0600 PDT on June 10.
***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 ridge will be passing across the fire
area today to allow for sunny skies and a 2 to 4 degrees increase
in high temperatures. Afternoon humidities will drop 3% to 7%
from Sunday. High level clouds will pass overnight into Tuesday as
winds increase through the day. Breezy winds will impact the fire
area after 9 AM, peaking between 2 PM and 5 PM with gusts nearing
30 mph. Temperatures will be significantly cooler on Tuesday by 2
to 6 degrees after excellent overnight recoveries.

.TODAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....79-82.
Min humidity........17-22 percent.
Wind (20 ft)........Light winds becoming east 3 to 7 mph early in
                    the morning, then becoming west northwest 5 to
                    10 mph late in the afternoon.
Mixing height.......5600 ft AGL.
Transport winds.....West 6 to 12 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............54     58     68     74     78     79
RH..............73     55     40     27     23     21
20 ft wind......W 4    E 5    E 5    N 4    WNW 8  WNW 8
20 ft wind gust.5                    6      10     10

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....56-59.
Max humidity........85-95 percent.
Wind (20 ft)........West northwest winds 4 to 8 mph in the
                    evening, then becoming west 4 to 8 mph
                    overnight.
Mixing height.......600 ft AGL.
Transport winds.....West 7 to 13 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

.TUESDAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....74-77.
Min humidity........28-33 percent.
Wind (20 ft)........Light winds becoming west 6 to 12 mph with
                    gusts to around 22 mph early in the morning,
                    increasing to 10 to 17 mph with gusts around
                    28 mph in the afternoon.
Mixing height.......4700 ft AGL.
Transport winds.....West 9 to 17 mph increasing to 21 to 23 mph
                    late in the morning.
Haines Index........2 to 4 or very low to low potential for large
                    plume dominated fire growth.

$$
Forecaster...Callihan
Requested by...Andrew Bellairs
Type of request...PRESCRIBED
.TAG 2415667.4/PDT
.DELDT 06/10/24
.FormatterVersion 2.0.0
.EMAIL erickcastaneda@usda.gov,richard.lancaster@usda.gov,andrew.s.bellairs@usda.gov