788  
FNUS76 KEKA 261940  
FWSEKA  
 
SPOT FORECAST FOR PAC RIM RX FIRE...PETROLIA VOL. FIRE DEPARTMENT  
NATIONAL WEATHER SERVICE EUREKA CA  
1240 PM PDT THU MAR 26 2026  
 
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  
ABOVE NORMAL TEMPERATURES AND VERY DRY AIR ARE FORECAST  
THROUGH FRIDAY. NORTHERLY WINDS WILL SHIFT AROUND TO THE NORTHEAST  
THIS EVENING WITH VERY LOW RH'S LIKELY OVERNIGHT INTO EARLY FRIDAY.  
STRONGER DOWN VALLEY WINDS ARE POSSIBLE OVERNIGHT AS THE OFFSHORE  
WINDS ACCELERATE AND HUMIDITY PLUMMETS TO 20-30%.  
 
   
REST OF TODAY  
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 57.  
MIN HUMIDITY........30 PERCENT.  
WIND (20 FT)........NORTH WINDS 6 TO 9 MPH WITH GUSTS TO AROUND  
15 MPH.  
MIXING HEIGHT.......600-800 FT AGL.  
TRANSPORT WINDS.....NORTH 20 MPH.  
EYE LEVEL WINDS.....NORTH WINDS UP TO 3 MPH WITH GUSTS TO AROUND 6  
MPH.  
 
TIME (PDT) 1PM 2PM 3PM 4PM 5PM  
SKY (%).........22 33 33 33 40  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0  
TEMP............56 57 57 57 56  
RH..............55 54 52 48 48  
20 FT WIND DIR..N N N N N  
20 FT WIND SPD..16 17 17 17 16  
20 FT WIND GUST.29 31 31 31 29  
EYE LVL WND DIR.N N N N N  
EYE LVL WND SPD.3 3 3 3 3  
EYE LVL WND GST.6 6 6 6 6  
MIX HGT (KFT)...0.8 0.6 0.6 0.6 0.3  
TRANSP WIND DIR.N N N N N  
TRANSP WIND SPD.22 22 22 22 21  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
CWR.................0 PERCENT.  
MIN TEMPERATURE.....AROUND 49-55.  
MAX HUMIDITY........45-55 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 5 TO 12 MPH. GUSTS UP TO 15  
MPH.  
MIXING HEIGHT.......100-200 FT AGL.  
TRANSPORT WINDS.....NORTH 29 MPH BECOMING NORTHEAST  
AROUND 8 MPH EARLY IN THE MORNING.  
EYE LEVEL WINDS.....NORTHEAST WINDS 2 TO 3 MPH. .  
 
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........40 40 38 38 38 27 27 27 27 27 27 28  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............56 53 52 52 53 53 54 55 55 55 52 51  
RH..............48 48 48 48 48 47 45 39 34 30 39 39  
20 FT WIND DIR..N N NE NE NE NE NE NE NE NE NE NE  
20 FT WIND SPD..16 16 16 16 16 14 14 14 14 14 14 10  
20 FT WIND GUST.29 29 29 29 29 25 25 25 25 25 25 18  
EYE LVL WND DIR.N N NE NE NE NE NE NE NE NE NE NE  
EYE LVL WND SPD.3 3 3 3 3 3 3 3 3 3 3 2  
EYE LVL WND GST.6 6 6 6 6 5 5 5 5 5 5 4  
MIX HGT (KFT)...0.3 0.3 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1  
TRANSP WIND DIR.N N N N N NE NE NE NE NE NE NE  
TRANSP WIND SPD.21 21 21 21 21 15 15 15 15 15 15 9  
   
FRIDAY  
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 65-70.  
MIN HUMIDITY........20-25 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 4 TO 8 MPH...SHIFTING TO THE  
NORTHWEST 5 TO 7 MPH LATE IN THE MORNING.  
MIXING HEIGHT.......100-300 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 9 MPH BECOMING NORTH 10 MPH LATE IN  
THE MORNING.  
EYE LEVEL WINDS.....NORTHEAST WINDS AROUND 2 MPH...SHIFTING TO THE  
NORTHWEST UP TO 2 MPH LATE IN THE MORNING.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........28 28 24 24 24 17 17 17 21 21 21 30  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............50 48 51 53 59 61 63 63 65 63 63 61  
RH..............39 39 39 39 39 40 49 52 54 57 56 58  
20 FT WIND DIR..NE NE NE NE NE N N N NW NW NW N  
20 FT WIND SPD..10 10 10 10 10 6 6 6 8 8 8 9  
20 FT WIND GUST.18 18 18 18 18 10 10 10 15 15 15 16  
EYE LVL WND DIR.NE NE NE NE NE N N N NW NW NW N  
EYE LVL WND SPD.2 2 2 2 2 1 1 1 2 2 2 2  
EYE LVL WND GST.4 4 4 4 4 2 2 2 3 3 3 3  
MIX HGT (KFT)...0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.2 0.3 0.3 0.3 0.1  
TRANSP WIND DIR.NE NE NE NE NE N N N N N N N  
TRANSP WIND SPD.9 9 9 9 9 8 8 8 8 8 8 12  
 
 
FORECASTER...DB  
REQUESTED BY...JOSEPH SANDOVAL  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2607909.2/EKA  
.DELDT 03/26/26  
.EMAIL TRAININGOFFICER@PETROLIAFIRE.ORG,VROOM@MATTOLE.ORG,HHOLBROOK@UCANR.EDU  
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