500
FNUS76 KSGX 162250
FWSSGX
SPOT FORECAST FOR BARONA PILE BURNS...BARONA FIRE DEPARTMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
250 PM PST TUE DEC 16 2025
FORECAST IS BASED ON IGNITION TIME OF 1400 PST ON DECEMBER 17.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WEDNESDAY AFTERNOON, ONSHORE WEST AND NORTHWEST WINDS 5 TO 10 MPH,
GUSTS TO 15 MPH WITH RELATIVE HUMIDITY DOWN TO 28%. WINDS WEAKEN
AFTER 5 PM AND HUMIDITY INCREASES GRADUALLY OVERNIGHT TO 57% AND
TEMPERATURES DROP INTO THE MID 50S BY EARLY THURSDAY MORNING.
VERY LIGHT ONSHORE WEST WINDS PICK UP AGAIN THURSDAY AFTERNOON
WITH HUMIDITY DOWN TO 26%. THURSDAY NIGHT, HUMIDITY PROGRESSIVELY
RECOVERS TO 49% AND TEMPERATURES DROP BACK INTO THE MID 50S.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........28 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS AROUND 5 MPH EARLY IN THE AFTERNOON
BECOMING LIGHT.
RIDGETOP...........NORTHWEST 15 TO 20 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......1200 FT AGL.
TRANSPORT WINDS.....NORTHWEST 3 TO 6 MPH.
TIME (PST) 2PM 3PM 4PM 5PM
SKY (%).........19 19 2 2
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............73 71 70 66
RH..............33 38 43 52
20 FT WIND DIR..W NW NW NW
20 FT WIND SPD..5 3 3 2
20 FT WIND GUST.8 8 7 6
EYE LVL WND DIR.W W W NW
EYE LVL WND SPD.3 3 2 1
EYE LVL WND GST.6 6 5 4
RIDGE WIND DIR..NW NW NW NW
RIDGE WIND SPD..15 20 20 20
CWR.............0 0 0 0
WEDNESDAY NIGHT
SKY/WEATHER.........CLEAR (0-5 PERCENT).
MIN TEMPERATURE.....AROUND 54.
MAX HUMIDITY........57 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
RIDGETOP...........NORTHWEST 15 TO 20 MPH SHIFTING TO THE NORTH
AROUND 10 MPH OVERNIGHT.
CWR.................0 PERCENT.
MIXING HEIGHT.......0 FT AGL.
TRANSPORT WINDS.....NORTHEAST 2 TO 6 MPH SHIFTING TO THE EAST 5 TO
6 MPH OVERNIGHT.
TIME (PST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........2 2 2 2 0 0 0 0 0 0 0 0
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............62 61 60 60 60 59 59 59 59 58 58 57
RH..............57 57 57 54 52 51 49 48 47 46 46 47
20 FT WIND DIR..N N N NE NE NE NE NE NE SE S SE
20 FT WIND SPD..2 1 2 2 3 3 3 3 3 3 2 3
20 FT WIND GUST.5 4 5 5 6 6 5 4 4 4 5 5
EYE LVL WND DIR.NE E E NE NE NE E E E E E E
EYE LVL WND SPD.1 1 1 1 1 1 1 1 1 1 1 1
EYE LVL WND GST.4 3 4 4 4 4 4 3 3 3 4 4
RIDGE WIND DIR..NW NW NW N N N N N N N N NE
RIDGE WIND SPD..20 20 20 20 15 15 10 10 10 10 10 10
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
THURSDAY
SKY/WEATHER.........SUNNY (0-5 PERCENT).
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........27 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
RIDGETOP...........NORTHEAST 0 TO 5 MPH SHIFTING TO THE NORTHWEST
LATE IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......1900 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 7 MPH SHIFTING TO THE
NORTHWEST 5 TO 6 MPH IN THE LATE MORNING AND
AFTERNOON.
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........0 0 0 0 3 3 3 3 3 3 4 4
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............57 58 63 68 73 76 78 78 78 76 74 71
RH..............47 46 41 35 31 28 27 27 29 33 38 41
20 FT WIND DIR..SE SE S W NW NW W W W W SW SW
20 FT WIND SPD..3 3 3 3 3 3 3 3 3 3 2 2
20 FT WIND GUST.5 5 4 4 4 6 6 7 7 6 6 6
EYE LVL WND DIR.E E E N NW W W W W W W NW
EYE LVL WND SPD.1 1 1 1 1 1 1 2 2 2 1 1
EYE LVL WND GST.4 4 3 3 3 4 5 5 5 5 5 4
RIDGE WIND DIR..NE NE NE E E NE N N N N NW M
RIDGE WIND SPD..5 5 5 5 5 5 0 0 0 0 0 M
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
FORECASTER...SEBASTIAN WESTERINK
REQUESTED BY...TODD NELSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2527750.0/SGX
.DELDT 12/16/25
.FORMATTERVERSION 2.0.0
.EMAIL TNELSON@BARONA-NSN.GOV
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