633
FNUS76 KSGX 011520
FWSSGX
SPOT FORECAST FOR LOS FLORES FUEL REDUCTION BURN...ONTARIO FIRE DEPARTMENT/XBO AHIMT
NATIONAL WEATHER SERVICE SAN DIEGO CA
820 AM PDT FRI MAY 1 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 PDT ON MAY 04.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A LARGE STORM SYSTEM WILL BE WORKING THROUGH CALIFORNIA EARLY NEXT
WEEK, KEEPING TEMPERATURES ON THE COOL SIDE BUT BRINGING GUSTY
SOUTH-SOUTHWESTERLY WINDS. 20FT WIND GUSTS WILL BE STRONGEST ON
MONDAY WITH GUSTS UP TO 20-25 MPH, GRADUALLY DECREASING DOWN TO 15
MPH BY TUESDAY. HUMIDITY STAYS FAIRLY HIGH WITH THIS PATTERN, WITH
MORNING RECOVERY LIKELY ABOVE 90 PERCENT, AND AFTERNOON HUMIDITY
FALLING TO NEAR 50 PERCENT.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 59.
MIN HUMIDITY........49 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS 5 TO 11 MPH. GUSTS UP TO 17
MPH.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS 8 TO 15 MPH. GUSTS UP TO 23 MPH.
RIDGETOP...........
CWR.................4 PERCENT.
MIXING HEIGHT.......4200 FT AGL.
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.
TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........37 37 37 37 20 20 20 20 20 20 12
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............45 46 48 51 54 56 57 58 58 57 55
RH..............85 79 72 64 58 53 50 49 50 52 56
20 FT WIND DIR..S S S S S S S S S S SW
20 FT WIND SPD..8 9 9 9 13 13 13 15 15 15 13
20 FT WIND GUST.13 15 15 15 20 20 20 23 23 23 20
EYE LVL WND DIR.S S S S S S S S S S SW
EYE LVL WND SPD.5 6 6 6 9 9 9 11 11 11 9
EYE LVL WND GST.9 11 11 11 15 15 15 17 17 17 14
RIDGE WIND DIR..M M M M M M M M M M M
RIDGE WIND SPD..M M M M M M M M M M M
CWR.............0 0 0 0 0 0 0 0 0 0 0
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
MIN TEMPERATURE.....AROUND 42.
MAX HUMIDITY........92 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS UP TO 9 MPH. GUSTS UP TO 14 MPH IN
THE EVENING AND OVERNIGHT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 13 MPH. GUSTS UP TO 20 MPH
IN THE EVENING AND OVERNIGHT.
RIDGETOP...........
CWR.................4 PERCENT.
MIXING HEIGHT.......1100 FT AGL.
TRANSPORT WINDS.....SOUTH 14 TO 20 MPH.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........12 12 12 12 12 19 19 19 19 19 19 36
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............53 52 50 49 47 46 45 45 44 43 43 43
RH..............61 65 70 75 79 83 85 87 89 91 92 92
20 FT WIND DIR..SW SW SW SW SW SW SW SW S S S S
20 FT WIND SPD..13 13 10 10 10 9 9 9 7 7 7 5
20 FT WIND GUST.20 20 20 20 20 17 17 17 13 13 13 10
EYE LVL WND DIR.SW SW SW SW SW SW SW SW S S S S
EYE LVL WND SPD.9 9 7 7 7 6 6 6 5 5 5 4
EYE LVL WND GST.14 14 14 14 14 12 12 12 9 9 9 7
RIDGE WIND DIR..M M M M M M M M M M M M
RIDGE WIND SPD..M M M M M M M M M M M M
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
MAX TEMPERATURE.....AROUND 58.
MIN HUMIDITY........54 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS UP TO 7 MPH. GUSTS UP TO 12 MPH
LATE IN THE MORNING.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 16 MPH
LATE IN THE MORNING.
RIDGETOP...........
CWR.................5 PERCENT.
MIXING HEIGHT.......5100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 12 TO 15 MPH.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........36 36 36 36 36 30 30 30 30 30 30 28
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............44 45 46 48 50 52 54 56 57 58 58 58
RH..............90 86 82 75 68 63 59 56 55 54 54 55
20 FT WIND DIR..S S S S S SW SW SW SW SW SW SW
20 FT WIND SPD..5 5 6 6 6 8 8 8 10 10 10 10
20 FT WIND GUST.10 10 11 11 11 14 14 14 15 15 15 16
EYE LVL WND DIR.S S S S S SW SW SW SW SW SW SW
EYE LVL WND SPD.4 4 4 4 4 6 6 6 7 7 7 7
EYE LVL WND GST.7 7 8 8 8 10 10 10 11 11 11 12
RIDGE WIND DIR..M M M M M M M M M M M M
RIDGE WIND SPD..M M M M M M M M M M M M
CWR.............0 0 0 0 0 0 0 0 0 0 0 10
FORECASTER...DAVID MUNYAN
REQUESTED BY...STEVE ALDAMA
TYPE OF REQUEST...PRESCRIBED
.TAG 2611526.1/SGX
.DELDT 05/01/26
.FORMATTERVERSION 2.0.0
.EMAIL SALDAMA@ONTARIOCA.GOV,LBATES@ONTARIOCA.GOV
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