124   
FNUS76 KHNX 181350  
FWSHNX  
  
SPOT FORECAST FOR DOME FIRE...NPS  
NATIONAL WEATHER SERVICE HANFORD CA  
650 AM PDT FRI SEP 18 2026  
  
FORECAST IS BASED ON FORECAST START TIME OF 0700 PDT ON SEPTEMBER 18.   
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
  
SHIFTING DAILY WIND PATTERN CONTINUES. SOUTH WIND THIS MORNING  
WILL QUICKLY SHIFT TO THE SOUTHWEST BY 9AM, THEN WEST BY NOON.   
ANOTHER QUICK DIRECTIONAL CHANGE TO NORTHEASTERLY WINDS OCCURS   
BETWEEN 4 TO 7 PM, THEN REMAINS FRIDAY NIGHT INTO SATURDAY MORNING.  
SOUTHWESTERLY WINDS PREVAIL BY EARLY SATURDAY AFTERNOON.   
TEMPERATURES INCREASE ABOUT 5 DEGREES ON SATURDAY, WITH A   
CORRESPONDING RELATIVE HUMIDITY DECREASE OF ABOUT 5 PERCENT.  
UNCERTAINTY REGARDING RELATIVE HUMIDITY TONIGHT INTO SATURDAY  
AS A WEAK RIDGE OF HIGH PRESSURES CROSSES OVER CALIFORNIA.  
   
REST OF TODAY  
  
SKY/WEATHER.........SUNNY (0-5 PERCENT). AREAS OF SMOKE THROUGH THE   
                    DAY.   
MAX TEMPERATURE.....58-61.   
MIN HUMIDITY........29-35 PERCENT.   
EYE LEVEL WINDS.....CALM, SHIFTING TO THE WEST 2-7 MPH IN THE   
AFTERNOON.   
SURROUNDING RIDGE...SOUTH WINDS 5-10 MPH SHIFTING TO THE WEST   
10-20 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......3700 FT AGL.   
TRANSPORT WINDS.....SOUTH WINDS 5-10 MPH SHIFTING TO THE WEST  
IN THE AFTERNOON.   
WIND (20 FT)........SOUTH WINDS 2-5 MPH SHIFTING TO THE WEST   
5-10 MPH IN THE AFTERNOON.   
   
TONIGHT  
  
SKY/WEATHER.........CLEAR (0-10 PERCENT).   
MIN TEMPERATURE.....50-53.   
MAX HUMIDITY........48-63 PERCENT.   
EYE LEVEL WINDS.....NORTHEAST WINDS 2-7 MPH.   
SURROUNDING RIDGE...NORTHEAST WINDS 10-15 MPH.  
MIXING HEIGHT.......500 FT AGL.   
TRANSPORT WINDS.....NORTHEAST AROUND 5-10 MPH.   
WIND (20 FT)........NORTHEAST WINDS 5-10 MPH.   
   
SATURDAY  
  
SKY/WEATHER.........SUNNY (0-10 PERCENT).   
MAX TEMPERATURE.....65-67.   
MIN HUMIDITY........22-36 PERCENT.   
EYE LEVEL WINDS.....NORTHEAST WINDS 2-7 MPH SHIFTING TO THE SOUTHWEST   
                    IN THE AFTERNOON.   
SURROUNDING RIDGE...NORTHEAST WINDS 10-15 MPH SHIFTING TO THE WEST  
IN THE AFTERNOON.   
MIXING HEIGHT.......4200 FT AGL.   
TRANSPORT WINDS.....BECOMING SOUTHWEST AROUND 5-10 MPH.   
WIND (20 FT)........NORTHEAST WINDS 5-10 MPH SHIFTING TO THE SOUTHWEST   
                    IN THE AFTERNOON.   
  
  
FORECASTER...DAER/OCHS  
REQUESTED BY...AIDAN FINCK  
TYPE OF REQUEST...WILDFIRE  
.TAG 2621958.2/HNX  
.DELDT 09/18/26  
.FORMATTERVERSION 2.0.0  
.EMAIL FINCKAIDAN@GMAIL.COM  
 
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