416  
FNUS76 KSGX 082005  
FWSSGX  
 
SPOT FORECAST FOR CORONA DO PILE RX...FOREST SERVICE  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
1205 PM PST THU JAN 8 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1246 PST ON JANUARY 08.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
..WIND ADVISORY IN EFFECT UNTIL 1 PM PST SUNDAY  
 
   
DISCUSSION  
 
VARIABLE WINDS THIS AFTERNOON INCREASING AND TURNING NE TONIGHT.  
WINDS GENERALLY SUSTAINED AROUND 15 MPH ALL NIGHT WITH PERIODS OF  
GUSTS AROUND 30 MPH. FRIDAY MORNING AND EARLY AFTERNOON, WINDS WILL  
PEAK, SUSTAINED NEAR 20 MPH WITH OCCASIONAL GUSTS ABOVE 35 MPH.  
BLOWING DUST MAY ACCOMPANY PERIODS OF STRONG WINDS.  
 
A CONSTANT FLOW OF NE SANTA ANA WINDS IS EXPECTED TO CONTINUE THIS  
WEEKEND INTO EARLY NEXT WEEK WITH PERIODS OF GUSTS IN THE 25-35 MPH  
RANGE, MOST LIKELY IN THE MORNINGS WHEN OFFSHORE WINDS ARE THE  
STRONGEST. RELATIVE HUMIDITIES WILL BOTTOM OUT AROUND 10-20% IN THE  
AFTERNOONS AND PEAK AROUND 30-40% IN THE EARLY MORNINGS.  
 
CURRENT GUIDANCE SHOWS AND 80% CHANCE FOR WIND GUSTS TO EXCEED 25  
MPH OUT OF THE NORTHEAST MONDAY MORNING AND AFTERNOON, ACCOMPANIED  
WITH LOW HUMIDITY.  
 
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT).  
MAX TEMPERATURE.....AROUND 61.  
MIN HUMIDITY........41 PERCENT.  
EYE LEVEL WINDS.....NORTHWEST WINDS AROUND 6 MPH WITH GUSTS TO  
AROUND 11 MPH SHIFTING TO THE AROUND 4 MPH  
EARLY IN THE AFTERNOON, THEN BECOMING LIGHT  
EARLY IN THE AFTERNOON BECOMING NORTHEAST  
AROUND 4 MPH LATE IN THE AFTERNOON.  
WIND (20 FT)........  
SLOPE/VALLEY.......WEST WINDS AROUND 5 MPH WITH GUSTS TO AROUND 15  
MPH EARLY IN THE AFTERNOON BECOMING LIGHT, THEN  
BECOMING NORTH AROUND 6 MPH LATE IN THE  
AFTERNOON.  
RIDGETOP...........NORTHWEST AROUND 10 MPH INCREASING TO AROUND 20  
MPH EARLY IN THE AFTERNOON, THEN BECOMING  
NORTHEAST AROUND 10 MPH EARLY IN THE AFTERNOON  
INCREASING TO NORTH 20 TO 25 MPH LATE IN THE  
AFTERNOON.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......5100 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 9 MPH SHIFTING TO THE  
NORTHEAST 6 TO 9 MPH LATE IN THE AFTERNOON,  
THEN SHIFTING TO THE NORTH AROUND 16 MPH LATE  
IN THE AFTERNOON.  
 
TIME (PST) 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........13 13 13 13 5 5  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............58 59 60 60 60 57  
RH..............54 47 42 42 41 45  
20 FT WIND DIR..W N E NE N NE  
20 FT WIND SPD..5 2 2 3 6 6  
20 FT WIND GUST.15 10 5 7 10 10  
EYE LVL WND DIR.NW NW W E NW NE  
EYE LVL WND SPD.6 4 1 2 1 4  
EYE LVL WND GST.11 7 4 5 3 7  
RIDGE WIND DIR..NW NW NE NE N N  
RIDGE WIND SPD..10 20 10 10 25 20  
CWR.............0 0 0 0 0 0  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).  
MIN TEMPERATURE.....AROUND 41.  
MAX HUMIDITY........48 PERCENT.  
EYE LEVEL WINDS.....NORTHEAST WINDS 6 TO 11 MPH. GUSTS UP TO 24 MPH  
INCREASING TO 36 MPH LATE IN THE EVENING, THEN  
DECREASING TO 31 MPH OVERNIGHT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHEAST WINDS 10 TO 15 MPH. GUSTS UP TO 24 MPH  
INCREASING TO 35 MPH TONIGHT.  
RIDGETOP...........NORTH AROUND 25 MPH INCREASING TO NORTHEAST 35  
TO 40 MPH IN THE EVENING AND OVERNIGHT.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......1000 FT AGL.  
TRANSPORT WINDS.....NORTH 18 TO 23 MPH SHIFTING TO THE NORTHEAST 24  
TO 30 MPH EARLY IN THE EVENING.  
 
TIME (PST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........5 5 5 5 5 5 5 5 5 5 7 7  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............54 52 50 49 47 46 46 44 43 43 42 41  
RH..............48 46 44 43 44 43 42 43 43 42 33 28  
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE NE NE NE  
20 FT WIND SPD..8 12 13 13 15 14 13 13 13 13 13 13  
20 FT WIND GUST.15 14 17 25 25 21 20 18 22 20 20 18  
EYE LVL WND DIR.NE NE NE NE NE NE NE NE NE NE NE NE  
EYE LVL WND SPD.6 6 7 11 11 10 9 8 10 9 9 9  
EYE LVL WND GST.11 10 12 18 18 15 14 13 16 14 14 13  
RIDGE WIND DIR..N N N N N NE NE N NE NE NE NE  
RIDGE WIND SPD..25 35 35 40 40 40 40 35 40 40 40 35  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
   
FRIDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT). PATCHY BLOWING  
DUST IN THE MORNING AND EARLY AFTERNOON.  
MAX TEMPERATURE.....AROUND 63.  
MIN HUMIDITY........14 PERCENT.  
EYE LEVEL WINDS.....NORTHEAST WINDS 15 TO 20 MPH WITH GUSTS TO  
AROUND 25-35 MPH.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHEAST WINDS 14 TO 18 MPH WITH GUSTS TO  
AROUND 27 MPH.  
RIDGETOP...........NORTHEAST 35 TO 40 MPH DECREASING TO AROUND 20  
MPH.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......2500 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 23 TO 32 MPH.  
 
TIME (PST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........7 7 7 7 11 11 11 11 11 11 4 4  
WEATHER COV..... PTY PTY PTY PTY PTY PTY PTY PTY PTY  
WEATHER TYPE.... BDT BDT BDT BDT BDT BDT BDT BDT BDT  
TSTM COV........  
TEMP............41 41 44 48 52 56 59 61 63 62 62 58  
RH..............27 29 27 24 20 18 16 15 14 15 15 16  
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE NE NE NE  
20 FT WIND SPD..14 14 14 15 18 18 18 17 17 16 15 14  
20 FT WIND GUST.21 21 22 27 26 25 26 27 27 27 26 23  
EYE LVL WND DIR.NE NE NE NE NE NE NE NE NE NE NE NE  
EYE LVL WND SPD.9 10 11 13 12 11 12 13 12 12 12 11  
EYE LVL WND GST.15 15 16 19 19 18 19 19 19 19 19 17  
RIDGE WIND DIR..NE NE NE NE NE NE NE NE NE NE NE NE  
RIDGE WIND SPD..40 35 35 35 35 35 30 25 25 20 20 20  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
 
 
FORECASTER...SEBASTIAN WESTERINK  
REQUESTED BY...CYRUS GALVAN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2528308.3/SGX  
.DELDT 01/08/26  
.FORMATTERVERSION 2.0.0  
.EMAIL CYRUS.GALVAN@USDA.GOV,GREGORY.TRIFFET@USDA.GOV  
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