389
FNUS76 KPDT 061137
FWSPDT

Spot Forecast for SHEEP COMPANY FIRE...YCFD5
National Weather Service Pendleton OR
437 AM PDT Sat Jul 6 2024

Forecast is based on forecast start time of 0500 PDT on July 06.
***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.

...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 10 PM PDT THURSDAY...

.DISCUSSION...A high pressure ridge will continue to produce
dry and hot conditions across the fire area. Winds below the
ridges will be from the northwest to north through tonight,
while ridge top winds will switch from the northwest to the
southwest during the afternoon, then turning north in the
evening.

.REST OF TONIGHT...

Sky/weather.........Mostly clear (10-20 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....65-68.
Max humidity........27-32 percent.
Wind (20 ft)........Northwest winds 5 to 8 mph.
Ridgetop wind.......Northwest winds 8 to 13 mph.
Mixing height.......900 ft AGL.
Transport winds.....Northwest around 13 mph.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

TIME (PDT)      5AM 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM
Temp............66  67  71  76  82  86  89  92  94  96  97  97
RH..............29  31  29  27  24  21  18  17  15  14  13  13
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..8   8   8   8   8   8   8   8   8   11  11  11
20 FT wind gust.10  10  10  10  10  10  10  10  10  13  13  13

.TODAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....99-102.
Min humidity........8-13 percent.
Wind (20 ft)........Northwest winds 5 to 10 mph.
Ridgetop wind.......Northwest winds 6 to 12 mph becoming south
winds 5 to 10 mph in the afternoon.
Mixing height.......9100 ft AGL.
Transport winds.....Northwest 9 to 13 mph.
Haines Index........3 to 5 or very low to moderate potential for
                    large plume dominated fire growth.

.TONIGHT...

Sky/weather.........Clear (0-10 percent).
CWR.................0 percent.
LAL.................1.
Min temperature.....66-69.
Max humidity........27-32 percent.
Wind (20 ft)........Northwest winds 5 to 10 mph, becoming north
winds 9 to 14 mph in the late evening, then
becoming 5 to 10 mph overnight.
Ridgetop wind.......South winds 5 to 10 mph becoming north winds
6 to 12 mph in the evening.
Mixing height.......900 ft AGL.
Transport winds.....North 10 to 15 mph.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

$$
Forecaster...Lawhorn
Requested by...DONNA SHIPMAN
Type of request...WILDFIRE
.TAG 2417508.0/PDT
.DELDT 07/06/24
.FormatterVersion 2.0.0
.EMAIL dispatch@ycfd5.org