003  
FNUS76 KHNX 012245  
FWSHNX  
 
SPOT FORECAST FOR GAOA CAMPGROUNDS...USFS  
NATIONAL WEATHER SERVICE HANFORD CA  
245 PM PST MON DEC 1 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 PST ON DECEMBER 02.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
HIGH PRESSURE REMAINS THE DRIVER BEHIND THE CURRENT WEATHER PATTERN  
OVER THE REGION WITH TEMPERATURES JUST BELOW SEASON AVERAGES. A SYSTEM  
PASSING THROUGH THE GREAT BASIN WEDNESDAY AND THURSDAY IS PROJECTED TO  
BRING COOLER, DRIER AIR TO THE REGION WITH STRONGER WIND GUSTS ALONG  
THE CRESTS OF THE SIERRA PRIMARILY ON WEDNESDAY. FOR THIS DAY, THERE  
IS A 40-50 PERCENT PROBABILITY FOR MAXIMUM WIND GUSTS GREATER THAN 25  
FOR THE SPOT LOCATION, AND A 60-70 PERCENT FOR MAMMOTH POOL RESERVOIR.  
ALONG THE SIERRA CREST, THERE IS A 70-80 PERCENT PROBABILITY FOR GUSTS  
GREATER THAN 30 MPH. FOR TUESDAY AND WEDNESDAY NIGHT, MINIMUM  
TEMPERATURES ARE EXPECTED TO BE BELOW FREEZING. WHILE NOT IN THIS  
FORECAST, MINIMUM RH VALUES ARE CURRENTLY EXPECTED 20-25% ON THURSDAY.  
 
(THE BELOW FORECAST IS FOR THE REQUESTED LAT/LON)  
 
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
MAX TEMPERATURE.....46-54.  
MIN HUMIDITY........36-42 PERCENT.  
EYE LEVEL WINDS.....NORTHWEST WINDS AROUND 3 MPH SHIFTING TO THE  
SOUTHWEST/UPSLOPING AROUND 5 MPH IN THE AFTERNOON.  
SURROUNDING RIDGE...NORTHWEST WINDS AROUND 5 MPH SHIFTING TO THE  
SOUTHWEST/UPSLOPING AROUND 10 MPH IN THE AFTERNOON;  
GUSTS APPROACHING 15 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT).  
MIN TEMPERATURE.....27-33.  
MAX HUMIDITY........64-70 PERCENT.  
EYE LEVEL WINDS.....NORTHWEST WINDS UP TO 5 MPH SHIFTING TO THE  
NORTHEAST UP TO 10 MPH OVERNIGHT.  
SURROUNDING RIDGE...NORTHWEST WINDS UP TO 10 MPH SHIFTING TO THE  
NORTHEAST UP TO 15 MPH OVERNIGHT.  
MIXING HEIGHT.......100-500 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 4 MPH SHIFTING TO NORTHEAST AROUND 10  
MPH NEAR SUNRISE.  
   
WEDNESDAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
MAX TEMPERATURE.....35-45.  
MIN HUMIDITY........28-35 PERCENT.  
EYE LEVEL WINDS.....NORTHEAST WINDS 10 TO 15 MPH, MAXIMUM GUSTS 20 TO 25  
MPH.  
SURROUNDING RIDGE...NORTHEAST WINDS 10 TO 15 MPH, MAXIMUM GUSTS 20 TO 25  
MPH.  
MIXING HEIGHT.......2700-3500 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 15 TO 20 MPH.  
 

 
FORECASTER...MCCOY  
REQUESTED BY...HANNAH HALEY  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2526801.0/HNX  
.DELDT 12/01/25  
.FORMATTERVERSION 2.0.0  
.EMAIL HANNAH.HALEY1@USDA.GOV  
 
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