024
FNUS76 KPDT 171707
FWSPDT

Spot Forecast for K-Block Fire...Oregon Military Department
National Weather Service Pendleton OR
1007 AM PDT Wed Jul 17 2024

Forecast is based on forecast start time of 1000 PDT on July 17.
***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.

...RED FLAG WARNING IN EFFECT UNTIL 10 PM PDT THIS EVENING FOR DRY
THUNDERSTORMS WITH ABUNDANT LIGHTNING...

...HEAT ADVISORY IN EFFECT UNTIL 10 PM PDT THURSDAY...

.DISCUSSION...A weather system passing through the area today will
create a chance of light showers and possibly some isolated
thunderstorms for the site this afternoon. Expectation is that
once some sunshine peeks through the first half of the day today,
chances for storms will increase, with the best window of
opportunity for storm development occurring between Noon and 6 PM.
Winds will start out east and slowly shift counterclockwise back
toward the west by nightfall. Hot and dry conditions then return
Thursday onward.

.TODAY...

Sky/weather.........Mostly cloudy (70-80 percent) then becoming
                    mostly sunny (25-35 percent). Slight chance of
                    showers and thunderstorms in the late morning
                    and afternoon (15-20 percent), or until 6 PM.
CWR.................15 percent decreasing to 1 percent late in the
                    afternoon.
LAL.................2 until 1700 (5 PM), then 1.
Max temperature.....99-102.
Min humidity........11-16 percent.
Wind (20 ft)........East winds 5 to 10 mph shifting to the
                    Northeast by Noon, then shifting to the North
                    by 5 PM. late in the Gusty and erratic winds
                    expected near thunderstorms.
Mixing height.......7600 ft AGL in the afternoon.
Transport winds.....East 8 to 15 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

TIME (PDT)      10 AM  NOON   2 PM   4 PM   6 PM   8 PM
Temp............82     89     95     99     98     90
RH..............31     25     19     15     17     28
20 ft wind......E 10   NE 10  NE 9   NE 8   N 10   W 12
20 ft wind gust.       12     12     12     13     15

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
CWR.................1 percent.
LAL.................1.
Min temperature.....Around 70.
Max humidity........61-66 percent.
Wind (20 ft)........North winds 5 to 10 mph shifting to the
                    southwest 6 to 12 mph early in the evening.
Mixing height.......6700 ft AGL early in the evening then near-
                    surface overnight.
Transport winds.....East around 12 mph shifting to the
                    Southwest early in the evening.
Haines Index........2 to 4 or very low to low potential for large
                    plume dominated fire growth.

.THURSDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....101-104.
Min humidity........11-16 percent.
Wind (20 ft)........West winds 6 to 12 mph.
Mixing height.......6800 ft AGL by the afternoon.
Transport winds.....West around 15 mph.
Haines Index........2 to 4 or very low to low potential for large
                    plume dominated fire growth.

$$
Forecaster...Evans
Requested by...Joseph Winckler
Type of request...WILDFIRE
.TAG 2418243.2/PDT
.DELDT 07/17/24
.FormatterVersion 2.0.0
.EMAIL joseph.j.winckler.nfg@army.mil