548
FNUS76 KSGX 052238
FWSSGX
SPOT FORECAST FOR LOS FLORES FUEL REDUCTION BURN...ONTARIO FIRE DEPARTMENT/XBO AHIMT
NATIONAL WEATHER SERVICE SAN DIEGO CA
338 PM PDT TUE MAY 5 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 PDT ON MAY 06.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WARMER AND DRIER CONDITIONS WEDNESDAY AND THURSDAY WITH LIGHT AND
VARIABLE WINDS AT THE SURFACE. MINRH WILL WILL BE IN THE MID 30%
RANGE WEDNESDAY AND IS EXPECTED TO CONTINUE ITS DOWNWARD TREND
THROUGH EARLY NEXT WEEK. PARTLY CLOUDY SKIES WEDNESDAY MORNING
WILL GIVE WAY TO MOSTLY CLEAR SKIES BY THE AFTERNOON THROUGH
THURSDAY.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT) THEN BECOMING
MOSTLY SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........35 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTHWEST AROUND 4 MPH
LATE IN THE MORNING, THEN BECOMING LIGHT EARLY
IN THE AFTERNOON BECOMING SOUTH UP TO 9 MPH
WITH GUSTS TO AROUND 14 MPH LATE IN THE
AFTERNOON.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 13 MPH EARLY IN THE
MORNING BECOMING LIGHT, THEN BECOMING NORTH
AROUND 5 MPH LATE IN THE MORNING BECOMING LIGHT
BECOMING SOUTHWEST 5 TO 13 MPH WITH GUSTS TO
AROUND 20 MPH LATE IN THE AFTERNOON.
RIDGETOP...........SOUTHWEST AROUND 0 MPH SHIFTING TO THE NORTH 5
TO 10 MPH EARLY IN THE MORNING.
CWR.................1 PERCENT.
MIXING HEIGHT.......7000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 3 TO 6 MPH SHIFTING TO THE NORTHWEST
3 TO 7 MPH LATE IN THE MORNING, THEN SHIFTING
TO THE NORTH 8 TO 9 MPH EARLY IN THE AFTERNOON
SHIFTING TO THE SOUTHWEST AROUND 8 MPH LATE IN
THE AFTERNOON.
TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........26 19 19 19 1 1 1 2 2 2 2
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............46 49 56 60 63 65 69 70 71 72 71
RH..............90 82 64 53 46 41 35 35 35 35 39
20 FT WIND DIR..S S SW NW N NW NW W SW S S
20 FT WIND SPD..2 1 1 2 5 5 3 2 5 8 13
20 FT WIND GUST.6 4 5 6 10 9 7 6 9 14 20
EYE LVL WND DIR.S S SW NW N NW NW W SW S S
EYE LVL WND SPD.1 1 1 1 4 4 2 1 4 6 9
EYE LVL WND GST.4 3 4 5 7 7 5 4 7 10 14
RIDGE WIND DIR..SW N NW NW N N N N N N N
RIDGE WIND SPD..0 5 5 5 10 10 10 5 5 5 5
CWR.............0 0 0 0 0 0 0 0 0 0 0
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....AROUND 51.
MAX HUMIDITY........72 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS UP TO 9 MPH WITH GUSTS TO AROUND 14
MPH IN THE EVENING BECOMING LIGHT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS AROUND 13 MPH WITH GUSTS TO AROUND
20 MPH DECREASING TO 5 TO 12 MPH WITH GUSTS TO
AROUND 20 MPH IN THE EVENING, THEN BECOMING
LIGHT OVERNIGHT.
RIDGETOP...........NORTH AROUND 5 MPH SHIFTING TO THE NORTHEAST
AFTER 3 AM.
CWR.................1 PERCENT.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 13 MPH SHIFTING TO THE SOUTHEAST
AROUND 3 MPH AFTER 3 AM.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........2 2 2 2 2 12 12 12 12 12 12 9
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............71 67 63 61 59 57 57 56 54 53 53 52
RH..............41 48 57 61 64 68 68 69 72 71 70 71
20 FT WIND DIR..S S S S S S S SE SE SE SE E
20 FT WIND SPD..13 12 10 8 7 5 3 3 3 3 3 3
20 FT WIND GUST.20 20 17 15 11 8 7 7 7 7 7 7
EYE LVL WND DIR.S S S S S S S SE SE SE SE E
EYE LVL WND SPD.9 9 7 6 4 3 2 2 3 2 2 2
EYE LVL WND GST.14 14 12 11 8 6 5 5 5 5 5 5
RIDGE WIND DIR..N N N N N N NE NE NE NE NE NE
RIDGE WIND SPD..5 5 5 5 5 5 5 5 5 5 5 5
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
THURSDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........21 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTH AROUND 4 MPH IN THE
LATE MORNING AND EARLY AFTERNOON, THEN BECOMING
LIGHT LATE IN THE AFTERNOON.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING NORTH 5 TO 6 MPH IN THE
LATE MORNING AND EARLY AFTERNOON, THEN BECOMING
LIGHT LATE IN THE AFTERNOON.
RIDGETOP...........NORTH AROUND 5 MPH SHIFTING TO THE NORTHWEST
EARLY IN THE AFTERNOON, THEN SHIFTING TO THE
SOUTHWEST LATE IN THE AFTERNOON.
CWR.................1 PERCENT.
MIXING HEIGHT.......9100 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 3 MPH SHIFTING TO THE NORTH 5
TO 7 MPH EARLY IN THE MORNING, THEN SHIFTING TO
THE SOUTHWEST AROUND 8 MPH LATE IN THE
AFTERNOON.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........9 9 9 9 9 1 1 1 1 1 1 1
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............54 57 60 65 71 75 78 79 80 80 80 79
RH..............65 60 53 43 35 28 25 22 21 21 22 24
20 FT WIND DIR..E E N N N N N N N N S S
20 FT WIND SPD..3 2 1 2 5 6 6 6 6 2 2 3
20 FT WIND GUST.7 6 5 6 8 11 11 10 11 5 6 7
EYE LVL WND DIR.E E N N N N N N N N S S
EYE LVL WND SPD.2 1 1 1 3 4 4 4 4 1 1 2
EYE LVL WND GST.5 4 4 5 6 8 8 7 8 4 4 5
RIDGE WIND DIR..NE N N N N N N N N NW SW S
RIDGE WIND SPD..5 5 5 5 5 5 5 5 5 5 10 10
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
FORECASTER...LAUREN VILLAFANE
REQUESTED BY...STEVE ALDAMA
TYPE OF REQUEST...PRESCRIBED
.TAG 2611526.4/SGX
.DELDT 05/05/26
.FORMATTERVERSION 2.0.0
.EMAIL SALDAMA@ONTARIOCA.GOV,LBATES@ONTARIOCA.GOV
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