650  
FNUS76 KSGX 041240  
FWSSGX  
 
SPOT FORECAST FOR UPPER BALDY RX...USFS  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
440 AM PST WED MAR 4 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 PST ON MARCH 04.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
WESTERLY ONSHORE FLOW TODAY WILL GRADUALLY TURN NORTHEAST OFFSHORE ON  
THURSDAY. NORTHEAST WINDS BECOMING QUITE STRONG THURSDAY. MODERATE  
HUMIDITY TODAY WILL BE FOLLOWED BY A DECENT RECOVERY TONIGHT, BUT  
THEN RAPIDLY DROPPING DURING THE DAY THURSDAY.  
   
TODAY  
 
SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT) THEN BECOMING  
PARTLY CLOUDY (30-40 PERCENT).  
MAX TEMPERATURE.....AROUND 60.  
MIN HUMIDITY........36 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTHWEST UP TO 5 MPH  
EARLY IN THE MORNING.  
WIND (20 FT)........  
SLOPE/VALLEY.......WEST WINDS AROUND 5 MPH EARLY IN THE MORNING  
BECOMING LIGHT, THEN BECOMING WEST 5 TO 7 MPH  
EARLY IN THE MORNING.  
RIDGETOP...........WEST 5 TO 10 MPH.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......2100 FT AGL.  
TRANSPORT WINDS.....WEST 5 TO 12 MPH.  
 
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........3 4 4 4 13 13 13 44 44 44 28 28  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............43 45 47 50 54 58 58 59 60 58 57 54  
RH..............38 38 38 41 37 37 39 41 44 49 54 53  
20 FT WIND DIR..W W W W W W W W W W NW NW  
20 FT WIND SPD..5 3 5 6 6 6 6 6 6 6 6 7  
20 FT WIND GUST.8 8 9 10 11 11 11 10 11 11 11 12  
EYE LVL WND DIR.W W W W W W W W W W NW NW  
EYE LVL WND SPD.3 3 4 4 4 4 4 4 4 4 4 5  
EYE LVL WND GST.6 6 7 7 8 8 8 7 8 8 8 9  
RIDGE WIND DIR..W W W W W W W W W W W W  
RIDGE WIND SPD..5 5 5 5 5 5 5 10 5 5 10 5  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
MIN TEMPERATURE.....AROUND 38.  
MAX HUMIDITY........61 PERCENT.  
EYE LEVEL WINDS.....NORTH WINDS INCREASING 5 TO 13 MPH. GUSTS UP  
TO 20 MPH.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHWEST WINDS INCREASING 8 TO 17 MPH. GUSTS  
UP TO 27 MPH.  
RIDGETOP...........NORTHWEST AROUND 5 MPH INCREASING TO AROUND 25  
MPH.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 12 TO 21 MPH SHIFTING TO THE NORTH  
AROUND 23 MPH EARLY IN THE MORNING.  
 
TIME (PST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........28 9 9 9 6 6 6 5 5 5 4 4  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............49 47 47 46 45 44 43 43 40 39 39 38  
RH..............61 57 51 49 45 43 42 42 43 43 41 45  
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW N N N  
20 FT WIND SPD..8 8 9 9 9 10 10 12 13 14 16 17  
20 FT WIND GUST.13 14 15 15 16 17 18 18 20 22 25 27  
EYE LVL WND DIR.NW NW NW NW NW NW NW NW NW N N N  
EYE LVL WND SPD.5 6 6 6 7 7 7 9 9 11 11 13  
EYE LVL WND GST.9 10 11 11 12 12 13 13 15 16 18 20  
RIDGE WIND DIR..NW NW W W NW W NW NW NW NW NW N  
RIDGE WIND SPD..5 15 10 10 15 10 15 20 15 20 25 25  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
   
THURSDAY  
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
MAX TEMPERATURE.....AROUND 51.  
MIN HUMIDITY........24 PERCENT.  
EYE LEVEL WINDS.....NORTH WINDS 11 TO 16 MPH WITH GUSTS TO AROUND  
25 MPH.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTH WINDS 16 TO 23 MPH WITH GUSTS TO AROUND  
34 MPH.  
RIDGETOP...........NORTH AROUND 25 MPH INCREASING TO 35 TO 40 MPH  
IN THE MORNING AND EARLY AFTERNOON, THEN  
DECREASING TO 25 TO 30 MPH LATE IN THE  
AFTERNOON.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......2600 FT AGL.  
TRANSPORT WINDS.....NORTH 24 TO 33 MPH DECREASING TO AROUND 24 MPH  
LATE IN THE AFTERNOON.  
 
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........4 4 4 4 1 1 1 2 2 2 3 3  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............38 38 38 40 45 48 50 51 50 51 50 48  
RH..............42 42 43 42 36 31 28 25 25 24 24 24  
20 FT WIND DIR..N N N N N N N N N N N N  
20 FT WIND SPD..20 22 23 23 23 23 23 22 21 18 17 16  
20 FT WIND GUST.31 33 34 34 34 34 34 32 31 28 26 25  
EYE LVL WND DIR.N N N N N N N N N N N N  
EYE LVL WND SPD.14 16 16 16 16 16 16 16 14 14 12 11  
EYE LVL WND GST.22 24 24 25 25 25 24 23 22 20 19 18  
RIDGE WIND DIR..N N N N N N N N N N N N  
RIDGE WIND SPD..25 35 35 35 40 40 40 40 35 35 30 25  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
 
 
FORECASTER...MIGUEL MILLER  
REQUESTED BY...ART LOZANO  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2604496.2/SGX  
.DELDT 03/04/26  
.FORMATTERVERSION 2.0.0  
.EMAIL ARTURO.LOZANO@USDA.GOV  
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