Suppression Forecast
Issued by NWS Seattle/Tacoma, WA

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FNUS76 KSEW 221536
FWSSEW

Spot Forecast for Larsen Prescribed Fire...San Juan Fire Dist #3
National Weather Service Seattle WA
836 AM PDT Sun Apr 22 2018

Forecast is based on ignition time of 1200  PDT on April 22.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (206) 526-6095, if you have questions
or concerns with this forecast.

.DISCUSSION....Areas of morning low clouds will dissipate by afternoon
as a dry upper trough moves east. High pressure will build over the
region later today and tonight, persisting for several days. Offshore
flow will strengthen Monday and Tuesday.

 Forecast for 20 foot wind speed (valleys and ridge tops) are 10
 minute averages reflecting RAWS winds.

.TODAY...

Sky/weather.........Mostly cloudy becoming mostly sunny by around noon.
CWR.................0 percent.
Temperature.........53 at ignition...Max 57.
RH..................65 percent at ignition...Min 50 percent.
Wind (20 ft)........
 Slope/valley.......Winds north at 5 mph at ignition. Northwest wind
                    5 to 8 mph during the afternoon.
Haines index........3.

.TONIGHT...

Sky/weather.........Clear.
CWR.................0 percent.
Temperature.........Min 38.
RH..................Max 95 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds 5 to 8 mph becoming North to 5 mph
                    by midnight.
Haines index........3.


$$
Forecaster...Mercer
Requested by...Noel Monin
Type of request...Prescribed
.TAG 1807272.0/SEW


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