351
FNUS76 KEKA 091353
FWSEKA
SPOT FORECAST FOR PLANTATION THIN 170...USFS
NATIONAL WEATHER SERVICE EUREKA CA
553 AM PST TUE DEC 9 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
STABLE CONDITIONS WITH A WARMING TREND IS EXPECTED
THROUGH MID WEEK. NIGHTLY INVERSIONS, LOW MIXING HEIGHTS AND LIGHT
NORTHWEST TRANSPORT WINDS ARE FORECAST EACH NIGHT AND DAY. THE INVERSION
WILL GROW MORE ROBUST LATE IN THE WEEK AS MID-SLOPES AND RIDGES WARM UP
CONSIDERABLY WHILE VALLEYS STAY COOLER.
TODAY
SKY/WEATHER.........MORNING LOW CLOUDS AND FOG THEN SUNNY.
MAX TEMPERATURE.....AROUND 54.
MIN HUMIDITY........78 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 7 MPH.
MIXING HEIGHT.......100-200 FT AGL INCREASING 800-1200 FT AGL
IN THE EARLY AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 6 TO 8 MPH.
EYE LEVEL WINDS.....NORTHWEST WINDS AROUND 2 MPH.
TIME (PST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........25 20 20 20 15 15 15 10 10
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............43 45 47 51 52 53 53 52 50
RH..............93 93 89 83 80 77 83 80 86
20 FT WIND DIR..NW N N N N N N NW NW
20 FT WIND SPD..5 5 5 5 6 6 6 6 6
20 FT WIND GUST.6 7 7 7 9 9 9 8 8
EYE LVL WND DIR.NW N N N N N N NW NW
EYE LVL WND SPD.2 2 2 2 2 2 2 2 2
EYE LVL WND GST. 3 3 3
MIX HGT (KFT)...0.1 0.8 0.8 0.8 1.2 1.2 1.2 0.2 0.2
TRANSP WIND DIR.N NW NW NW NW NW NW NW NW
TRANSP WIND SPD.6 8 8 8 8 8 8 6 6
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG.
MIN TEMPERATURE.....AROUND 44.
MAX HUMIDITY........92 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 6 MPH EARLY IN THE
EVENING...BECOMING VARIABLE 2 TO 3 MPH.
MIXING HEIGHT.......DECREASING TO 100-200 FT AGL.
TRANSPORT WINDS.....NORTH 5 TO 6 MPH.
EYE LEVEL WINDS.....WEST WINDS AROUND 2 MPH EARLY IN THE
EVENING...BECOMING VARIABLE TO 1 MPH.
TIME (PST) 6 PM 9 PM MIDNGT 3 AM
SKY (%).........10 41 34 50
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
TEMP............50 46 46 45
RH..............89 93 86 86
20 FT WIND......NW 6G8 W 6G8 W 3 NW 2
EYE LEVEL WIND..NW 2 W 2 W 1 NW 1
MIX HGT (FT)....200 100 100 100
TRANSPORT WIND..NW 6 NW 6 N 5 N 5
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING SUNNY.
MAX TEMPERATURE.....AROUND 58.
MIN HUMIDITY........69 PERCENT.
WIND (20 FT)........VARIABLE 1 TO 3 MPH.
MIXING HEIGHT.......100 FT AGL INCREASING TO 800 FT AGL.
TRANSPORT WINDS.....NORTH 3 TO 6 MPH.
EYE LEVEL WINDS.....VARIABLE TO 1 MPH.
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........36 31 31 31 17 17 17 7 7 7 6 6
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............44 44 44 45 47 50 53 56 56 56 55 54
RH..............89 86 86 86 83 80 74 69 69 69 69 69
20 FT WIND DIR..NW NW NW NW N N N N N N NW NW
20 FT WIND SPD..2 1 1 1 2 2 2 3 3 3 3 3
20 FT WIND GUST.3 3 3 3 6 6 6
EYE LVL WND DIR.NW NW NW NW N N N N N N NW NW
EYE LVL WND SPD.1 0 0 0 1 1 1 1 1 1 1 1
EYE LVL WND GST. 2 2 2
MIX HGT (KFT)...0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.8 0.8 0.8 0.1 0.1
TRANSP WIND DIR.N N N N N N N N N N N N
TRANSP WIND SPD.5 5 5 5 6 6 6 6 6 6 3 3
FORECASTER...DB
REQUESTED BY...GEOFFREY PHELAN
TYPE OF REQUEST...PRESCRIBED
.TAG 2527244.0/EKA
.DELDT 12/09/25
.EMAIL GEOFFREY.PHELAN@USDA.GOV,RONALD.REED@USDA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page