942
FNUS76 KSGX 210030
FWSSGX
SPOT FORECAST FOR THORN INCIDENT...CAL FIRE
NATIONAL WEATHER SERVICE SAN DIEGO CA
530 PM PDT MON JUL 20 2026
FORECAST IS BASED ON FORECAST START TIME OF 1756 PDT ON JULY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 8 PM PDT
MONDAY...
DISCUSSION
WESTERLY WINDS REMAIN ELEVATED THROUGH THIS EVENING, WEAKENING
BELOW 15 MPH AFTER MIDNIGHT. OVERNIGHT RECOVERY WILL BE POOR,
AROUND 40% FOR TUESDAY MORNING WITH SLIGHTLY BETTER MOISTURE FOR
THE AFTERNOON. WARMER WEATHER RETURNS STARTING TOMORROW, WITH MORE
SUBSTANTIAL WARMING WEDNESDAY AND BEYOND. WINDS WILL GUST NEAR 20
MPH AGAIN EARLY TUESDAY AFTERNOON, REMAINING ELEVATED THROUGH THE
EVENING. WINDS WEAKEN LATER IN THE WEEK, AND A HEAT ADVISORY WILL
BE IN EFFECT FOR THE SECOND HALF OF THE WEEK.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
MIN TEMPERATURE.....AROUND 66.
MAX HUMIDITY........42 PERCENT.
EYE LEVEL WINDS.....WEST WINDS UP TO 8 MPH. GUSTS UP TO 20 MPH IN
THE EVENING.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 7 TO 12 MPH. GUSTS UP TO 25 MPH IN
THE EVENING.
RIDGETOP...........NORTHWEST AROUND 15 MPH.
CWR.................2 PERCENT.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 0 MPH.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........32 PERCENT.
EYE LEVEL WINDS.....WEST WINDS 5 TO 9 MPH WITH GUSTS TO AROUND 13
MPH.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 7 TO 12 MPH WITH GUSTS TO AROUND 18
MPH.
RIDGETOP...........NORTH AROUND 5 MPH.
CWR.................1 PERCENT.
MIXING HEIGHT.......4200 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 0 MPH.
FORECASTER...SAMANTHA ZUBER
REQUESTED BY...JOHN CLARK
TYPE OF REQUEST...WILDFIRE
.TAG 2617441.5/SGX
.DELDT 07/20/26
.FORMATTERVERSION 2.0.0
.EMAIL JOHN.CLARK@FIRE.CA.GOV
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