420   
FNUS76 KHNX 080110  
FWSHNX  
  
SPOT FORECAST FOR DUST BOWL RX...USFS  
NATIONAL WEATHER SERVICE HANFORD CA  
510 PM PST FRI FEB 7 2025  
  
FORECAST IS BASED ON IGNITION TIME OF 0900 PST ON FEBRUARY 11.   
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
  
MOSTLY CLEAR SKIES WILL KEEP TEMPERATURES COLDER THAN AVERAGE AT  
THE BURN SITE UNTIL EARLY NEXT WEEK. MAINLY LIGHT PRECIPITATION  
WILL OCCUR ON TUESDAY INTO WEDNESDAY BUT WILL INCREASE FROM  
WEDNESDAY EVENING UNTIL FRIDAY OF NEXT WEEK. WINDS WILL GENERALLY  
BE LIGHT AND TERRAIN-DRIVEN UNTIL WEDNESDAY WITH MINOR CHANGES IN  
HUMIDITY.  
   
TUESDAY  
  
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE   
                    MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON.  
                    CHANCE OF SNOW 30 PERCENT. SNOW ACCUMULATIONS  
                    OF LESS THAN ONE INCH.   
MAX TEMPERATURE.....36-40.   
MIN HUMIDITY........68-72 PERCENT.   
EYE LEVEL WINDS.....UPSLOPE 2-4 MPH.   
SURROUNDING RIDGE...WEST 3-7 MPH.   
MIXING HEIGHT.......RISING TO 1500 FT AGL.   
TRANSPORT WINDS.....WEST AROUND 6 MPH.   
   
TUESDAY NIGHT  
  
SKY/WEATHER.........MOSTLY CLOUDY. A 40 PERCENT CHANCE OF SNOW.   
                    SNOW ACCUMULATIONS OF LESS THAN ONE INCH.  
MIN TEMPERATURE.....18-22.   
MAX HUMIDITY........85-90 PERCENT.   
EYE LEVEL WINDS.....LIGHT AND VARIABLE.   
SURROUNDING RIDGE...SOUTH TO SOUTHWEST 5-10 MPH.   
MIXING HEIGHT.......LOWERING TO LESS THAN 500 FT AGL.   
TRANSPORT WINDS.....SOUTHWEST AROUND 8 MPH.   
   
WEDNESDAY  
  
SKY/WEATHER.........PARTLY SUNNY. CHANCE OF SNOW IN THE MORNING,  
                    THEN SNOW LIKELY IN THE AFTERNOON. CHANCE OF  
                    SNOW 70 PERCENT. SNOW ACCUMULATIONS OF ONE  
                    TO TWO INCHES.  
MAX TEMPERATURE.....36-41.   
MIN HUMIDITY........65-70 PERCENT.   
EYE LEVEL WINDS.....LIGHT AND VARIABLE IN THE MORNING BECOMING  
                    UPSLOPE/UPVALLEY 2-4 MPH IN THE AFTERNOON.   
SURROUNDING RIDGE...WEST TO SOUTHWEST 6-12 MPH.   
MIXING HEIGHT.......RISING TO 2000 FT AGL.   
TRANSPORT WINDS.....WEST AROUND 10 MPH.   
  
  
FORECASTER...OCHS  
REQUESTED BY...GREG COOPER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2502538.0/HNX  
.DELDT 02/07/25  
.FORMATTERVERSION 2.0.0  
.EMAIL GREGORY.COOPER@USDA.GOV  
 
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