Suppression Forecast
Issued by NWS Spokane, WA

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939
FNUS76 KOTX 231238
FWSOTX

Spot Forecast for Columbia NWR Ditches RX...Columbia NWR
National Weather Service Spokane WA
538 AM PDT Thu Mar 23 2017

Forecast is based on ignition time of 1100 PDT on March 23.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
WEAK HIGH PRESSURE IN PLACE TODAY WILL LEAD TO FILTERED SUNSHINE
AND DRY CONDITIONS.  WEST WINDS THIS MORNING WILL BECOME SOUTHERLY
BY MIDDAY WITH SPEEDS GENERALLY AROUND 10 MPH OR LESS.  LOOK FOR
WINDS TO SWITCH AROUND TO THE EAST OVERNIGHT AS THE NEXT STORM
SYSTEM APPROACHES THE COAST.  LIGHT RAIN WILL SPREAD OVER THE
PROJECT EARLY FRIDAY MORNING WITH SHOWERS AND COOLER TEMPERATURES
EXPECTED THROUGH MUCH OF THE DAY.

***************************************************************
FORECASTS FOR 20 FOOT WIND SPEEDS (VALLEYS AND RIDGE TOPS) ARE
10 MINUTE AVERAGES REFLECTING RAWS WIND.
***************************************************************

.TODAY...

Sky/weather.........MOSTLY SUNNY...INCREASING HIGH CLOUDS IN THE
                    AFTERNOON.
CWR.................0 percent.
LAL.................1.
Max temperature.....56.
Min humidity........39 percent.
Wind (20 ft)........WEST 6 TO 10 MPH IN THE MORNING...BECOMING
                    South 5 TO 9 MPH AFTER 1000 PDT.
Mixing height.......500 FT AGL in the morning...becoming 2100 ft
                    AGL BETWEEN 1400 AND 1600 PDT.
Transport winds.....WEST 6 TO 12 MPH IN THE MORNING...BECOMING
                    South 3 to 7 mph AFTER 1000 PDT.
Haines Index........3 very low.

.TONIGHT...

Sky/weather.........Mostly cloudy. Chance of rain overnight.
CWR.................10 percent.
LAL.................1.
Min temperature.....41.
Max humidity........100 percent.
Wind (20 ft)........Southeast winds 4 to 9 mph.
Mixing height.......Near surface.
Transport winds.....east/southeast 5 to 8 mph.
Haines Index........3 very low.

.FRIDAY...

Sky/weather.........Cloudy. Rain in the morning, then rain showers
                    in the afternoon.
CWR.................45 percent.
LAL.................1.
Max temperature.....54.
Min humidity........58 percent.
Wind (20 ft)........Southeast winds 4 to 8 mph in the morning...
                    becoming south 7 to 13 mph with gusts to
                    20 mph in the afternoon.
Mixing height.......near surface in the morning increasing to 1700 ft
                    AGL in the afternoon.
Transport winds.....South 7 to 12 mph.
Haines Index........2 very low.

$$
Forecaster...SB
Requested by...Timothy Cawley-Murphree
Type of request...PRESCRIBED
.TAG 1704970.0/OTX



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