366
FNUS76 KPDT 080038
FWSPDT

Spot Forecast for Rocket Block 7...USFS
National Weather Service Pendleton OR
538 PM PDT Tue May 7 2024

Forecast is based on ignition time of 1900 PDT on May 07.
***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...Upper level high pressure will begin building
into the region late tonight. Any remaining area showers will
dissipate overnight, with dry conditions prevailing into the
weekend. Breezy north winds today will become less than 10mph
tonight, but will increase again in the afternoon`s Wednesday
and Thursday, generally 5 to 15mph from the northeast.
Afternoon temperatures will be on the increase each day, with
mid 50s Wednesday, mid 60s Thursday, and mid 70s Friday.

.REST OF TONIGHT...

Sky/weather.........Mostly clear (15-25 percent). Areas of frost in
                    the evening, then widespread frost overnight.
CWR.................0 percent.
LAL.................1.
Min temperature.....24-27.
Max humidity........89-94 percent.
Wind (20 ft)........North winds 5 to 10 mph shifting to the east 4
                    to 7 mph overnight, then shifting to
                    the south around 5 mph early in the morning.
Mixing height.......500 ft AGL.
Transport winds.....North 6 to 12 mph shifting to the northeast
                    around 6 mph early in the morning.
Haines Index........2 to 4 or very low to low potential for large
                    plume dominated fire growth.

TIME (PDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
Temp............41     35     31     27     26     24
RH..............58     74     83     89     90     94
20 ft wind......NW 10  N 8    NE 7   NE 7   E 6    S 5
20 ft wind gust.11     10

.WEDNESDAY...

Sky/weather.........Sunny (15-25 percent). Widespread frost in the
                    morning.
CWR.................0 percent.
LAL.................1.
Max temperature.....55-58.
Min humidity........25-30 percent.
Wind (20 ft)........South winds 3 to 6 mph shifting to the northeast
                    8 to 14 mph by the afternoon.
Mixing height.......4400 ft AGL.
Transport winds.....Northeast around 16 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

.WEDNESDAY NIGHT...

Sky/weather.........Mostly clear (10-20 percent). Widespread frost
                    overnight.
CWR.................0 percent.
LAL.................1.
Min temperature.....34-37.
Max humidity........69-74 percent.
Wind (20 ft)........Northeast winds 5 to 11 mph.
Mixing height.......500 ft AGL in the evening and overnight then
                    500 ft AGL early in the morning.
Transport winds.....North around 16 mph.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

.THURSDAY...

Sky/weather.........Sunny (0-10 percent). Widespread frost in the
                    morning.
CWR.................0 percent.
LAL.................1.
Max temperature.....66-69.
Min humidity........28-33 percent.
Wind (20 ft)........Northeast winds 5 to 12 mph.
Mixing height.......6200 ft AGL.
Transport winds.....East around 16 mph.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.

$$
Forecaster...Lawhorn
Requested by...Peter Noble
Type of request...PRESCRIBED
.TAG 2413442.1/PDT
.DELDT 05/07/24
.FormatterVersion 2.0.0
.EMAIL peter.noble@usda.gov