037
FNUS76 KSGX 170243
FWSSGX
SPOT FORECAST FOR FOBES FIRE...USFS
NATIONAL WEATHER SERVICE SAN DIEGO CA
743 PM PDT WED JUL 16 2025
FORECAST IS BASED ON FORECAST START TIME OF 0800 PDT ON JULY 17.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
HIGH PRESSURE CONDITIONS DOMINATE THE REGION AT THE SURFACE. THERE
IS SOME MONSOONAL MOISTURE THAT IS GOING TO BE MAKING ITS WAY OVER
THE OVERNIGHT HOURS AND INTO TOMORROW. THERE IS A SLIGHT CHANCE THAT
THIS COULD ALLOW A THUNDERSTORM OR TWO TO DEVELOP IN AND AROUND THE
AREA OF INTEREST DURING THE MORNING TO AFTERNOON HOURS, OR JUST A
FEW LIGHT SHOWERS WILL BE POSSIBLE, AS SOME MID LEVEL CLOUDS PASS
BY. THERE WILL BE A BETTER CHANCE OF SHOWERS AND THUNDERSTORMS
DURING THE AFTERNOON HOURS ON FRIDAY. TRANSPORT WINDS WILL BE LIGHT
AND BEGIN OUT OF THE NORTH AND THEN SHIFT AROUND TO AN EASTERLY
DIRECTION DURING THE AFTERNOON TOMORROW. MIN RH VALUES WILL BE
AROUND 32 PERCENT TOMORROW, WITH A GOOD RECOVERY OVERNIGHT AND
SIMILAR MIN RH VALUES ON FRIDAY.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT) THEN BECOMING
PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
MOSTLY SUNNY (15-25 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE MORNING.
SLIGHT CHANCE OF SPRINKLES LATE IN THE
AFTERNOON.
MAX TEMPERATURE.....AROUND 82.
MIN HUMIDITY........32 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING EAST AROUND 5 MPH IN THE
LATE MORNING AND EARLY AFTERNOON, THEN BECOMING
LIGHT LATE IN THE AFTERNOON. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE
MORNING.
CWR.................4 PERCENT INCREASING TO 16 PERCENT LATE IN THE
MORNING.
MIXING HEIGHT.......5600 FT AGL.
TRANSPORT WINDS.....EAST 3 TO 7 MPH SHIFTING TO THE NORTH AROUND 3
MPH LATE IN THE AFTERNOON.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHEAST AROUND 4 MPH IN
THE LATE MORNING AND EARLY AFTERNOON, THEN
BECOMING LIGHT LATE IN THE AFTERNOON.
TIME (PDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........25 25 25 50 50 50 50 50 50 22
WEATHER COV..... SCH SCH SCH SCH SCH SCH SCH
WEATHER TYPE.... RW RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH SCH SCH SCH
TEMP............69 75 80 80 80 80 79 80 79 79
RH..............52 41 34 32 34 36 40 40 42 42
20 FT WIND DIR..SE E E E E SE SE E NE N
20 FT WIND SPD..2 3 5 5 5 5 3 3 3 3
20 FT WIND GUST.6 6 8 10 10 9 8 8 8 8
EYE LVL WND DIR.SE E E E E SE SE E NE N
EYE LVL WND SPD.1 2 3 4 4 3 3 3 3 3
EYE LVL WND GST.4 5 6 7 7 7 6 6 6 6
CWR.............0 0 0 20 20 20 20 20 20 10
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). SLIGHT CHANCE OF
SPRINKLES IN THE EVENING.
MIN TEMPERATURE.....AROUND 55.
MAX HUMIDITY........96 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS.
CWR.................8 PERCENT.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....NORTH 2 TO 3 MPH SHIFTING TO THE EAST 2 TO 6
MPH LATE IN THE EVENING.
EYE LEVEL WINDS.....LIGHT WINDS.
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........22 22 22 22 22 26 26 26 26 26 26 13
WEATHER COV.....SCH SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW
TSTM COV........
TEMP............77 75 70 66 63 61 60 59 57 55 55 55
RH..............46 51 61 71 78 83 87 89 91 96 95 92
20 FT WIND DIR..N NE NE E E SE E E E E NE NE
20 FT WIND SPD..3 2 2 1 1 1 1 1 1 1 1 2
20 FT WIND GUST.7 6 5 5 5 5 4 4 4 4 5 5
EYE LVL WND DIR.N NE NE E E SE E E E E NE NE
EYE LVL WND SPD.2 1 1 1 1 1 1 1 1 1 1 1
EYE LVL WND GST.5 4 4 4 4 4 3 3 3 3 4 4
CWR.............10 10 10 10 10 10 10 10 10 10 10 10
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT) THEN BECOMING
PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
MOSTLY SUNNY (15-25 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE MORNING.
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........32 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT WINDS BECOMING EAST AROUND 5 MPH IN THE
LATE MORNING AND EARLY AFTERNOON, THEN BECOMING
LIGHT LATE IN THE AFTERNOON. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE
MORNING.
CWR.................9 PERCENT.
MIXING HEIGHT.......8200 FT AGL.
TRANSPORT WINDS.....EAST 6 TO 9 MPH DECREASING TO 3 TO 9 MPH LATE
IN THE MORNING, THEN DECREASING TO AROUND 5 MPH
LATE IN THE AFTERNOON.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING EAST AROUND 4 MPH IN THE
LATE MORNING AND EARLY AFTERNOON, THEN BECOMING
LIGHT LATE IN THE AFTERNOON.
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........13 13 13 13 13 38 38 38 38 38 38 22
WEATHER COV..... SCH SCH SCH SCH SCH SCH
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH SCH SCH SCH
TEMP............58 64 70 74 78 81 82 81 80 80 79 78
RH..............84 71 58 46 37 32 32 34 37 37 38 39
20 FT WIND DIR..NE E E E E E E SE SE E N NW
20 FT WIND SPD..2 2 2 3 5 5 5 5 5 5 3 3
20 FT WIND GUST.5 6 6 7 8 10 10 9 9 8 8 7
EYE LVL WND DIR.NE E E E E E E SE SE E N NW
EYE LVL WND SPD.1 1 1 2 3 4 4 4 4 3 3 2
EYE LVL WND GST.4 4 5 5 6 7 7 7 7 6 6 5
CWR.............10 10 10 10 10 10 10 10 10 10 10 0
FORECASTER...PAUL STEWARD
REQUESTED BY...E. HAMMERSLAG
TYPE OF REQUEST...WILDFIRE
.TAG 2518150.0/SGX
.DELDT 07/16/25
.FORMATTERVERSION 2.0.0
.EMAIL EMERSON.HAMMERSLAG@USDA.GOV,CLAYTON.PITTS@USDA.GOV
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