864  
FNUS76 KHNX 100312  
FWSHNX  
 
SPOT FORECAST FOR WESTERN DIVIDE JACKPOT/ PILE BURN...USFS  
NATIONAL WEATHER SERVICE HANFORD CA  
812 PM PDT FRI APR 9 2021  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 PDT ON APRIL 10.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
HIGH PRESSURE OFF THE WEST COAST WILL KEEP CONDITIONS  
DRY WITH ABOVE NORMAL TEMPERATURES THROUGH MONDAY. BY TUESDAY, A  
LOW PRESSURE CENTER WILL MOVE INTO THE GREAT BASIN AREA BRINGING  
COOLER TEMPERATURES, SLIGHTLY HIGHER HUMIDITIES AND A SMALL CHANCE  
OF RAIN AT THE BURN SITE.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....58-62.  
MIN HUMIDITY........26-30 PERCENT.  
EYE LEVEL WINDS.....DOWNSLOPE 2-5 MPH BECOMING UPSLOPE 3-7 MPH  
AFTER 1000 PDT.  
SURROUNDING RIDGE...NORTHWEST 5-10 MPH.  
MIXING HEIGHT.......RISING TO AROUND 6000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 7 MPH.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....44-48.  
MAX HUMIDITY........55-60 PERCENT.  
EYE LEVEL WINDS.....UPSLOPE 3-6 MPH IN THE EVENING BECOMING  
DOWNSLOPE 1-4 MPH AFTER 1900 PDT.  
SURROUNDING RIDGE...NORTH 4-8 MPH.  
MIXING HEIGHT.......LOWERING BELOW 500 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 3 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....61-65.  
MIN HUMIDITY........25-29 PERCENT.  
EYE LEVEL WINDS.....DOWNSLOPE 2-5 MPH BECOMING UPSLOPE 3-7 MPH  
AFTER 1000 PDT.  
SURROUNDING RIDGE...NORTHWEST 4-8 MPH.  
MIXING HEIGHT.......RISING TO AROUND 6500 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 5 MPH.  
 

 
FORECASTER...BAGNALL  
REQUESTED BY...CESAR ALCANTAR-TORRES  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2108511.0/HNX  
.DELDT 04/10/21  
.FORMATTERVERSION 1.0.26  
.EMAIL CESAR.TORRES@USDA.GOV  
 
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