874  
FNUS76 KSGX 011217  
FWSSGX  
 
SPOT FORECAST FOR UNIT 38...USFS  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
517 AM PDT THU JUN 1 2023  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 PDT ON JUNE 02.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
GRADUALLY WARMING FRIDAY THROUGH SUNDAY WITH GENERALLY LIGHT WINDS.  
MARINE LAYER WILL GO MORE SHALLOW AFTER TODAY. MORNING FOG AT THE  
SITE ELEVATION FRIDAY, BUT PROBABLY BELOW THE SITE OVER THE WEEKEND.  
COOLER MONDAY INTO TUESDAY WITH INCREASING WINDS AND A DEEPENING  
MARINE LAYER.  
 
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT) THEN BECOMING  
MOSTLY SUNNY (5-15 PERCENT). PATCHY FOG IN THE  
MORNING.  
MAX TEMPERATURE.....AROUND 68.  
MIN HUMIDITY........58 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHWEST UP TO 7 MPH WITH  
GUSTS TO AROUND 11 MPH EARLY IN THE AFTERNOON.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST 5 TO 9 MPH WITH GUSTS  
TO AROUND 15 MPH EARLY IN THE AFTERNOON, THEN  
SHIFTING TO THE SOUTHWEST WITH GUSTS TO AROUND  
18 MPH LATE IN THE AFTERNOON.  
RIDGETOP...........NORTHEAST AROUND 2 MPH SHIFTING TO THE  
SOUTHEAST EARLY IN THE MORNING, THEN SHIFTING  
TO THE NORTHEAST LATE IN THE MORNING SHIFTING  
TO THE WEST LATE IN THE MORNING SHIFTING TO THE  
SOUTHWEST.  
CWR.................2 PERCENT.  
LAL.................1.  
MIXING HEIGHT.......2600 FT AGL.  
TRANSPORT WINDS.....WEST 1 TO 9 MPH.  
 
TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........81 83 83 83 12 12 12 5 5 5 13  
WEATHER COV.....PTY PTY PTY PTY  
WEATHER TYPE....FOG FOG FOG FOG  
TSTM COV........  
TEMP............52 53 55 56 58 60 63 65 67 67 67  
RH..............94 94 90 87 83 77 71 66 61 59 58  
20 FT WIND DIR..E NE N NW NW W W SW SW SW SW  
20 FT WIND SPD..2 2 2 2 3 5 6 8 9 10 10  
20 FT WIND GUST.6 6 6 6 6 9 11 14 15 17 18  
EYE LVL WND DIR.E NE N NW NW W W SW SW SW SW  
EYE LVL WND SPD.1 1 1 1 2 3 4 6 7 7 7  
EYE LVL WND GST.4 4 4 4 5 7 8 10 11 12 13  
RIDGE WIND DIR..NE SE NE W SW SW S S S S S  
RIDGE WIND SPD..0 0 0 0 0 5 5 5 5 5 5  
CWR.............0 0 0 0 0 0 0 0 0 0 0  
LAL.............1 1 1 1 1 1 1 1 1 1 1  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). PATCHY FOG LATE  
IN THE EVENING.  
MIN TEMPERATURE.....AROUND 53.  
MAX HUMIDITY........81 PERCENT.  
EYE LEVEL WINDS.....SOUTH WINDS UP TO 5 MPH WITH GUSTS TO AROUND 7  
MPH SHIFTING TO THE SOUTHEAST AROUND 4 MPH LATE  
IN THE EVENING, THEN BECOMING LIGHT OVERNIGHT.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 16 MPH EARLY IN THE EVENING SHIFTING TO  
THE SOUTH 6 TO 9 MPH WITH GUSTS TO AROUND 15  
MPH, THEN SHIFTING TO THE SOUTHEAST AROUND 5  
MPH LATE IN THE EVENING BECOMING LIGHT.  
RIDGETOP...........SOUTH 0 TO 5 MPH SHIFTING TO THE NORTHEAST LATE  
IN THE EVENING, THEN SHIFTING TO THE NORTH  
OVERNIGHT.  
CWR.................0 PERCENT.  
LAL.................1.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 6 TO 9 MPH SHIFTING TO THE SOUTHEAST  
1 TO 3 MPH IN THE LATE EVENING AND OVERNIGHT.  
 
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........13 13 13 13 13 56 56 56 56 56 56 65  
WEATHER COV..... PTY PTY PTY PTY PTY PTY PTY  
WEATHER TYPE.... FOG FOG FOG FOG FOG FOG FOG  
TSTM COV........  
TEMP............65 63 60 58 56 55 54 54 54 53 53 53  
RH..............60 64 69 73 76 79 80 80 79 79 79 81  
20 FT WIND DIR..SW SW SW S SE SE SE SE SE SE S S  
20 FT WIND SPD..10 9 8 7 6 5 3 3 2 2 2 2  
20 FT WIND GUST.16 15 13 11 11 9 7 6 6 6 6 6  
EYE LVL WND DIR.SW SW SW S SE SE SE SE SE SE S S  
EYE LVL WND SPD.5 5 5 4 4 4 3 2 1 1 1 2  
EYE LVL WND GST.10 10 9 8 8 7 5 5 4 4 5 5  
RIDGE WIND DIR..S S S SE E NE N N NW NW N N  
RIDGE WIND SPD..5 0 0 0 0 0 0 5 5 5 5 5  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
LAL.............1 1 1 1 1 1 1 1 1 1 1 1  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT) THEN BECOMING  
MOSTLY SUNNY (5-15 PERCENT). PATCHY FOG IN THE  
MORNING.  
MAX TEMPERATURE.....AROUND 73.  
MIN HUMIDITY........54 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST AROUND 4 MPH EARLY IN  
THE AFTERNOON, THEN SHIFTING TO THE SOUTHWEST 3  
TO 6 MPH WITH GUSTS TO AROUND 10 MPH LATE IN  
THE AFTERNOON.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING WEST 5 TO 6 MPH EARLY IN  
THE AFTERNOON, THEN SHIFTING TO THE SOUTHWEST 8  
TO 12 MPH WITH GUSTS TO AROUND 18 MPH LATE IN  
THE AFTERNOON.  
RIDGETOP...........NORTHEAST 5 TO 10 MPH SHIFTING TO THE SOUTH IN  
THE LATE MORNING AND AFTERNOON.  
CWR.................1 PERCENT.  
LAL.................1.  
MIXING HEIGHT.......2200 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 1 MPH SHIFTING TO THE WEST 1  
TO 10 MPH, THEN SHIFTING TO THE SOUTHWEST  
AROUND 12 MPH LATE IN THE AFTERNOON.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........65 65 65 65 65 3 3 3 3 3 3 20  
WEATHER COV.....PTY PTY PTY PTY PTY  
WEATHER TYPE....FOG FOG FOG FOG FOG  
TSTM COV........  
TEMP............54 55 57 59 62 65 68 70 71 72 72 71  
RH..............81 79 77 73 68 64 61 58 57 55 54 55  
20 FT WIND DIR..SE NE N N N NW NW W SW SW SW SW  
20 FT WIND SPD..2 2 2 2 2 3 5 6 8 9 12 12  
20 FT WIND GUST.6 6 5 5 6 6 9 11 14 16 18 18  
EYE LVL WND DIR.SE NE N N N NW NW W SW SW SW SW  
EYE LVL WND SPD.1 1 1 1 1 2 3 4 6 7 8 8  
EYE LVL WND GST.4 4 4 4 4 5 7 8 10 10 10 10  
RIDGE WIND DIR..N NE NE E SE S S S S S S S  
RIDGE WIND SPD..5 10 10 5 5 5 5 5 5 10 10 10  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
LAL.............1 1 1 1 1 1 1 1 1 1 1 1  
   
FORECAST DAYS 3 THROUGH 5
 
   
SUNDAY
 
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER 70S. SOUTH  
WINDS UP TO 5 MPH AT EYE LEVEL.    
MONDAY
 
 
PARTLY CLOUDY. PATCHY FOG. LOWS IN THE MID 50S. HIGHS IN THE MID  
60S. SOUTH WINDS UP TO 8 MPH AT EYE LEVEL.    
TUESDAY
 
 
PARTLY CLOUDY WITH PATCHY DRIZZLE. PATCHY FOG. LOWS IN THE LOWER  
50S. HIGHS IN THE MID 60S. SOUTHWEST WINDS AROUND 6 TO 12 MPH AT  
EYE LEVEL.  
 

 
FORECASTER...MIGUEL MILLER  
REQUESTED BY...CYRUS GALVAN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2314261.1/SGX  
.DELDT 06/01/23  
.FORMATTERVERSION 2.0.0  
.EMAIL CYRUS.GALVAN@USDA.GOV  
 
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