Suppression Forecast
Issued by NWS Pendleton, OR

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FNUS76 KPDT 241255
FWSPDT

Spot Forecast for Maintenance 5E day 3...USFS DEF
National Weather Service Pendleton OR
555 AM PDT Wed May 24 2017

Forecast is based on ignition time of 0600 PDT on May 24.
***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...A trough has moved over the area and sent a cold front
through the area last night. While clear skies and fair weather
is expected, much cooler conditions with breezy conditions will be
over the area through this evening. Cool conditions with less
wind will continue Thursday before a warming trend starts on
Friday into the weekend.

.TODAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
LAL.................No Tstms.
Max temperature.....67.
Min humidity........18-23 percent.
Wind (20 ft)........West winds 2 to 5 mph becoming northwest 8 to
                    14 mph after 0900.
Ridgetop wind.......Northwest 3 to 9 mph increasing to 9 to 17 mph
                    after 0900.
Mixing height.......1100-1400 ft AGL increasing to 4300-6100 ft AGL
                    late in the morning.
Transport winds.....West winds 6 to 11 mph becoming northwest 11 to
                    17 mph in the late morning and afternoon.
Haines Index........4 (low).

TIME (PDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........7      7      7      4      4      4
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
LAL.............1      1      1      1      1      1
Temp............44     50     58     65     67     67
RH..............90     78     52     33     23     23
20 ft wind......W 3    NW 7   N 9    N 12   N 13   N 13
20 ft wind gust.7      11     13     16     18     19
Ridgetop wind...NW 5   NW 10  NW 12  NW 14  NW 16  NW 16
Mix hgt (ft)....1100   1400   1400   4300   6100   6100
Transport wind..W 9    W 10   W 10   NW 15  NW 17  NW 17
Haines index....4      4      4      4      4      4

.TONIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
LAL.................No Tstms.
Min temperature.....32-34.
Max humidity........88-93 percent.
Wind (20 ft)........Northwest winds 8 to 14 mph decreasing to 2 to
                    7 mph late in the evening.
Ridgetop wind.......Northwest winds winds 10 to 17 mph decreasing
                    to 6 to 13 mph after 2100.
Mixing height.......3800-5600 ft AGL decreasing to 1200-2000 ft AGL
                    late in the evening.
Transport winds.....North winds 10 to 14 mph decreasing to 5 to 10
                    mph after 2100 then becoming light after 0200.
Haines Index........3 to 4 (very low) to (low).

.THURSDAY...

Sky/weather.........Mostly sunny then becoming partly cloudy.
CWR.................0 percent.
LAL.................No Tstms.
Max temperature.....67-70.
Min humidity........24-29 percent.
Wind (20 ft)........Upslope less than 5 mph becoming north to
                    northeast 3 to 9 mph late in the morning.
Ridgetop wind.......North to northwest winds 3 to 7 mph becoming
                    north to northeast 5 to 12 mph in the afternoon.
Mixing height.......1900-2300 ft AGL increasing to 7300-7800 ft
                    AGL.
Transport winds.....Southeast winds around 5 mph becoming west 6
                    to 13 mph in the late morning and afternoon.
Haines Index........2 to 3 (very low).

$$
Forecaster...Perry
Requested by...Dan Hauswald
Type of request...PRESCRIBED
.TAG 1709983.0/PDT
.EMAIL dhauswald@fs.fed.us



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