497  
FNUS76 KEKA 201542  
FWSEKA  
 
SPOT FORECAST FOR PLANTATION THIN UNIT 191/186...USFS  
NATIONAL WEATHER SERVICE EUREKA CA  
742 AM PST THU NOV 20 2025  
 
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
IF YOU HAVE QUESTIONS OR CONCERNS REGARDING THIS FORECAST, PLEASE  
CONTACT OUR OFFICE AT (707) 443-6484  
 
PLEASE DO NOT RESPOND DIRECTLY IF YOU HAVE RECEIVED THIS IN AN EMAIL.  
   
DISCUSSION  
LIGHT RAIN SHOWERS WILL REMAIN POSSIBLE THIS  
MORNING, THOUGH AND ADDITIONAL RAIN ACCUMULATION WILL BE VERY  
LIGHT. OTHERWISE, CONDITIONS WILL BE COOL AND MOIST WITH HIGHS IN  
THE UPPER 40S AND RH AROUND 80 PERCENT. WINDS WILL BE GENTLE OUT  
OF THE NORTH. CONDITIONS WILL SLIGHTLY WARM AND DRY INTO THE  
WEEKEND.  
   
REST OF TODAY  
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN LATE IN  
THE MORNING.  
CWR.................9 PERCENT.  
MAX TEMPERATURE.....AROUND 48.  
MIN HUMIDITY........77 PERCENT.  
WIND (20 FT)........NORTHWEST 3 TO 6 MPH.  
MIXING HEIGHT.......1300 TO 1700 FT AGL.  
TRANSPORT WINDS.....NORTH 6 TO 10 MPH.  
EYE LEVEL WINDS.....NORTHWEST 1 TO 3 MPH.  
 
TIME (PST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........43 56 56 56 54 54 54 19 19  
WEATHER COV.....SCH CHC CHC CHC CHC CHC CHC  
WEATHER TYPE....RN RN RN RN RN RN RN  
TSTM COV........  
CWR.............10 10 10 10 10 10 10 0 0  
TEMP............40 43 45 47 48 48 50 47 46  
RH..............100 94 92 88 79 75 75 82 86  
20 FT WIND DIR..N N N N N N N NW NW  
20 FT WIND SPD..2 5 5 5 8 8 8 6 6  
20 FT WIND GUST.3 8 8 8 12 12 12 9 9  
EYE LVL WND DIR.N N N N N N N NW NW  
EYE LVL WND SPD.1 2 2 2 2 2 2 2 2  
EYE LVL WND GST. 4 4 4 3 3  
MIX HGT (KFT)...1.9 3.3 3.3 3.3 4.0 4.0 4.0 2.0 2.0  
TRANSP WIND DIR.NW N N N N N N N N  
TRANSP WIND SPD.6 10 10 10 10 10 10 8 8  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
PATCHY FOG AFTER MIDNIGHT.  
CWR.................0 PERCENT.  
MIN TEMPERATURE.....AROUND 36.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........VARIABLE 1 TO 3 MPH.  
MIXING HEIGHT.......200-400 FT AGL.  
TRANSPORT WINDS.....EAST 5 TO 6 MPH.  
EYE LEVEL WINDS.....VARIABLE 1 TO 3 MPH.  
 
TIME (PST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........19 34 34 34 44 44 44 51 51 51 80 80  
WEATHER COV..... PTY PTY PTY PTY PTY  
WEATHER TYPE.... FOG FOG FOG FOG FOG  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............45 43 42 41 42 41 41 41 40 39 39 38  
RH..............92 93 93 93 93 93 88 89 90 92 89 91  
20 FT WIND DIR..NW NW NW NW N N N E E E N N  
20 FT WIND SPD..6 6 6 6 3 3 3 1 1 1 1 1  
20 FT WIND GUST.9 8 8 8 6 6 6 2 2 2 2 2  
EYE LVL WND DIR.NW NW NW NW N N N E E E N N  
EYE LVL WND SPD.2 2 2 2 1 1 1 0 0 0 0 0  
EYE LVL WND GST.3 2 2 2 1 1 1 1 1  
MIX HGT (KFT)...2.0 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5  
TRANSP WIND DIR.N N N N NE NE NE NE NE NE E E  
TRANSP WIND SPD.8 8 8 8 6 6 6 6 6 6 5 5  
   
FRIDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING SUNNY. PATCHY FOG  
EARLY IN THE MORNING.  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 59.  
MIN HUMIDITY........54 PERCENT.  
WIND (20 FT)........EAST 2 TO 4 MPH.  
MIXING HEIGHT.......1000 TO 1400 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 5 MPH.  
EYE LEVEL WINDS.....EAST 1 TO 3 MPH.  
 
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........80 80 80 80 10 10 10 12 12 12 10 10  
WEATHER COV.....PTY PTY PTY PTY  
WEATHER TYPE....FOG FOG FOG FOG  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............38 38 38 42 46 50 55 57 58 58 55 53  
RH..............88 89 87 82 76 67 60 54 55 58 65 69  
20 FT WIND DIR..N E E E NE NE NE N N N N N  
20 FT WIND SPD..1 2 2 2 2 2 2 3 3 3 2 2  
20 FT WIND GUST.2 3 3 3 3 3 3 5 5 5 3 3  
EYE LVL WND DIR.N E E E NE NE NE N N N N N  
EYE LVL WND SPD.0 1 1 1 1 1 1 1 1 1 1 1  
EYE LVL WND GST.1 2 2 2  
MIX HGT (KFT)...1.5 1.4 1.4 1.4 2.0 2.0 2.0 2.2 2.2 2.2 1.5 1.5  
TRANSP WIND DIR.E E E E NE NE NE NE NE NE NE NE  
TRANSP WIND SPD.5 5 5 5 5 5 5 5 5 5 3 3  
 
 
FORECASTER...JAMES WHITE  
REQUESTED BY...RONALD REED  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2526435.0/EKA  
.DELDT 11/20/25  
.EMAIL GEOFFREY.PHELAN@USDA.GOV,RONALD.REED@USDA.GOV  
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