Suppression Forecast
Issued by NWS Portland, OR

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FNUS76 KPQR 291338
FWSPQR

Spot Forecast for Rider 960...USFS WNF
National Weather Service Portland OR
638 AM PDT Mon May 29 2017

Forecast is based on ignition time of 0800 PDT on May 29.
If conditions become unrepresentative...contact the National Weather
Service Portland, Oregon office.

.DISCUSSION...One more warm day as a surface thermal trough will
hover near then east of the unit today. Thunderstorms possible mainly
after 1500 hrs. Rain amounts stay light over the next couple days.
Surface inversion will lift around 1100 hrs but mixing is limited by
stronger subsidence inversion located around 6500 feet. Light showers
continue for the rest of the week.

.REST OF TODAY...

Sky/weather.........Increasing clouds. Chance of showers with a
                    slight chance of thunderstorms after 1500 hrs.
CWR.................Less than 10 percent.
LAL.................2.
Max temperature.....82.
Min humidity........28 percent.
Wind (20 ft)........
 Slope/valley.......Upslope 1 to 4 mph. Gusty and erratic winds
                    expected near thunderstorms.
 Ridgetop (5000 ft).Southeast 5 to 10 mph.
Rainfall amount.....0.02 inches.

TIME (PDT)      10 AM  NOON   2 PM   4 PM   6 PM
Sky (%).........27     46     59     59     67
Weather cov.....              S CHC  CHC    CHC
Weather type....NONE   NONE   RNSHWR RNSHWR RnSHWR
Tstm cov........              S CHC  S CHC  S CHC
CWR.............0      0      0      5      5
LAL.............1      1      2      2      2
Temp............67     73     76     77     75
RH..............50     40     34     33     40
20 ft wind......E 4    SE 3   S 4    S 4    SW 4
20 ft wind gust.5      5      5      5      5
Ridgetop wind...SE 3   SE 5   SE 7   SE 9   S 8

.TONIGHT...

Sky/weather.........Partly cloudy becoming mostly cloudy. A
                    slight chance of thunderstorms in the evening.
                    A chance of showers through the night.
CWR.................Less than 10 percent.
LAL.................2.
Min temperature.....45.
Max humidity........95 percent.
Wind (20 ft)........
 Slope/valley.......Drainage less than 5 mph. Gusty and erratic
                    winds expected near thunderstorms in the
                    evening.
 Ridgetop (5000 ft).Southeast 8 to 12 mph shifting east around
                    midnight
Rainfall amount.....0.03 inches.


$$
Forecaster...JBonk
Requested by...Dirk Rogers
Type of request...PRESCRIBED
.TAG 1710229.0/PQR
.EMAIL drogers02@fs.fed.us



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