910  
FNUS76 KPDT 052140  
FWSPDT  
 
SPOT FORECAST FOR GAS LEAK...BOARDMAN FIRE DEPARTMENT  
NATIONAL WEATHER SERVICE PENDLETON OR  
140 PM PST TUE DEC 5 2017  
 
FORECAST IS BASED ON INCIDENT TIME OF 1400 PST ON DECEMBER 05.  
***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 STRONG UPPER LEVEL RIDGE WILL REMAIN JUST OFF THE  
PACIFIC NORTHWEST COAST THROUGH THE MID WEEK. THIS RIDGE WILL  
GRADUALLY SHIFT OVER THE REGION AT IN THE WEEK. LIGHT NORTHEAST TO  
EAST WINDS AND LIMITED MIXING WILL PERSIST THROUGH THE WEEK. FOG AND  
LOW CLOUDINESS WILL ALSO BE PREVALENT.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....39.  
MIN HUMIDITY........79 PERCENT.  
SURFACE WINDS.......NORTHEAST WINDS 1-3 MPH.  
MIXING HEIGHT.......1600 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 6 MPH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY BECOMING MOSTLY CLOUDY OVERNIGHT.  
PATCHY FREEZING FOG INCREASING TO AREAS OF  
FREEZING FOG OVERNIGHT.  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....25.  
MAX HUMIDITY........94 PERCENT.  
SURFACE WINDS.......NORTH TO NORTHEAST WINDS 1-2 MPH.  
MIXING HEIGHT.......800 FT AGL EARLY IN THE EVENING THEN NEAR  
SURFACE OVERNIGHT.  
TRANSPORT WINDS.....LIGHT WINDS.  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. AREAS OF FREEZING FOG IN THE  
MORNING. PATCHY FOG AND FREEZING FOG IN THE  
AFTERNOON.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....36.  
MIN HUMIDITY........70 PERCENT.  
SURFACE WINDS.......NORTHEAST WINDS 1-3 MPH.  
MIXING HEIGHT.......NEAR SURFACE THEN 1300 FT AGL IN THE  
AFTERNOON.  
TRANSPORT WINDS.....NORTHEAST 3-6 MPH.  
 

 
FORECASTER...GKH  
REQUESTED BY...SGT. SARAH SMITH  
TYPE OF REQUEST...HAZMAT  
.TAG 1719651.0/PDT  
.EMAIL SSMITH911@CO.MORROW.OR.US  
 
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