813  
FNUS76 KSTO 140019  
FWSSTO  
 
SPOT FORECAST FOR DMR PILE BURN...FWS  
NATIONAL WEATHER SERVICE SACRAMENTO CA  
419 PM PST WED DEC 13 2017  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 PST ON DECEMBER 14.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
DRY AND MILD ON THURSDAY WITH LIGHT WIND. AFTER A CHILLY NIGHT,  
JUST SLIGHTLY COOLER ON FRIDAY WITH EVEN LIGHTER WINDS AS A WEAK  
WEATHER SYSTEM MOVES THROUGH THE REGION WITHOUT PRECIPITATION.  
HIGH PRESSURE REBUILDS OVER THE WEEKEND RESULTING IN BREEZY  
NORTHERLY WINDS.  
 
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....61-65.  
MIN HUMIDITY........35-40 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHWEST WINDS 4 TO 8 MPH.  
RIDGETOP...........NORTH TO NORTHEAST 10 TO 17 MPH IN THE MORNING  
DECREASING TO 6 TO 10 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1000 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....NORTH TO NORTHEAST 5 TO 10 MPH.  
CWR.................0 PERCENT.  
LAL.................1.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....28-34.  
MAX HUMIDITY........90-95 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTH WINDS UP TO 3 MPH.  
RIDGETOP...........NORTHEAST 5 TO 10 MPH BECOMING NORTHWEST AFTER  
MIDNIGHT.  
MIXING HEIGHT.......100-200 FT AGL.  
TRANSPORT WINDS.....NORTH TO NORTHEAST UP TO 5 MPH.  
CWR.................0 PERCENT.  
LAL.................1.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....60-63.  
MIN HUMIDITY........38-43 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHWEST TO NORTH 1 TO 3 MPH.  
RIDGETOP...........NORTHWEST TO NORTH 3 TO 8 MPH.  
MIXING HEIGHT.......300-500 FT AGL.  
TRANSPORT WINDS.....NORTH UP TO 3 MPH.  
CWR.................0 PERCENT.  
LAL.................1.  
 

 
FORECASTER...JM  
REQUESTED BY...FRANK ALVES  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1719941.0/STO  
.EMAIL FRANK_ALVES@FWS.GOV  
 
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