775
FNUS76 KSGX 071853
FWSSGX

Spot Forecast for PRD Admin Station Pile Burn RXB3...USFS
National Weather Service San Diego CA
1053 AM PST Sun Dec 7 2025

Forecast is based on ignition time of 1106 PST on December 07.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Light northwest winds this afternoon to become light and variable
tonight into early Monday. Peak overnight humidity to reach 45-50%.
Light southeast flow to increase in the afternoon to around 10 mph
with gusts 15-20 mph. Relative humidity to drop into the 15-20%
range in the afternoon and will only recover slightly Monday evening
and Monday night into the 25-35% range.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 78.
Min humidity........21 percent.
Eye level winds.....Light winds becoming northwest around 4 mph
                    early in the afternoon, then becoming light
                    late in the afternoon.
Wind (20 ft)........
 Slope/valley.......Light winds becoming northwest around 5 mph
                    early in the afternoon, then becoming light
                    late in the afternoon.
 Ridgetop...........Southeast around 5 mph shifting to the north
                    early in the afternoon, then shifting to the
                    east early in the afternoon shifting to the
                    northwest late in the afternoon shifting to the
                    southeast.
CWR.................0 percent.
Mixing height.......3500 ft AGL.
Transport winds.....Southeast 3 to 5 mph shifting to the northwest
                    2 to 3 mph late in the afternoon, then shifting
                    to the southeast around 3 mph late in the
                    afternoon.

TIME (PST)      11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........9   9   1   1   1   2   2
Weather cov.....
Weather type....
Tstm cov........
Temp............74  75  77  77  76  73  67
RH..............21  21  21  22  24  28  31
20 FT wind dir..N   NW  NW  NW  NW  NW  SE
20 FT wind spd..2   5   5   5   3   2   1
20 FT wind gust.7   8   9   9   8   5   4
Eye lvl wnd dir.NW  NW  NW  NW  NW  NW  SE
Eye lvl wnd spd.2   3   4   4   3   1   1
Eye lvl wnd gst.5   6   7   7   6   4   3
Ridge wind dir..SE  SE  N   NE  E   NW  SE
Ridge wind spd..5   5   0   0   0   5   0
CWR.............0   0   0   0   0   0   0

.TONIGHT...

Sky/weather.........Clear (0-10 percent).
Min temperature.....Around 47.
Max humidity........48 percent.
Eye level winds.....Light winds becoming east around 4 mph early in
                    the morning.
Wind (20 ft)........
 Slope/valley.......Light winds becoming east around 5 mph after 3
                    am, then becoming light early in the morning.
 Ridgetop...........East around 0 mph shifting to the northwest,
                    then shifting to the north around 5 mph early
                    in the morning.
CWR.................0 percent.
Mixing height.......500 ft AGL.
Transport winds.....East 3 to 7 mph.

TIME (PST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........2   2   2   2   3   3   3   4   4   4   3   3
Weather cov.....
Weather type....
Tstm cov........
Temp............64  62  60  59  57  55  55  54  53  53  51  51
RH..............35  37  38  39  41  43  43  44  46  46  47  48
20 FT wind dir..S   S   SE  SE  SE  SE  SE  E   E   E   E   E
20 FT wind spd..2   2   2   2   2   2   2   2   3   5   5   3
20 FT wind gust.6   6   6   6   6   6   6   6   6   7   8   9
Eye lvl wnd dir.SE  S   S   S   S   SE  SE  SE  E   E   E   E
Eye lvl wnd spd.1   2   1   1   1   1   1   1   2   2   3   4
Eye lvl wnd gst.5   5   5   4   4   4   4   4   5   5   6   7
Ridge wind dir..E   NW  NW  NW  NW  N   N   NW  N   N   NW  N
Ridge wind spd..0   5   0   0   5   0   0   5   5   5   5   5
CWR.............0   0   0   0   0   0   0   0   0   0   0   0

.MONDAY...

Sky/weather.........Sunny (0-5 percent).
Max temperature.....Around 80.
Min humidity........17 percent.
Eye level winds.....Southeast winds around 4 mph early in the
                    morning becoming light, then becoming southeast
                    up to 6 mph with gusts to around 11 mph in the
                    afternoon.
Wind (20 ft)........
 Slope/valley.......East winds 5 to 9 mph early in the morning
                    becoming light, then becoming east 7 to 12 mph
                    with gusts to around 15-20 mph in the afternoon.
 Ridgetop...........Northeast 5 to 10 mph increasing to around 15
                    mph with gusts to 20 mph late in the afternoon.
CWR.................0 percent.
Mixing height.......4100 ft AGL.
Transport winds.....East 7 to 12 mph.

TIME (PST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........3   4   4   4   0   0   0   0   0   0   1   1
Weather cov.....
Weather type....
Tstm cov........
Temp............51  51  57  67  74  77  78  79  79  79  75  70
RH..............45  43  37  26  21  18  17  18  18  19  21  23
20 FT wind dir..SE  SE  SE  SE  E   SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..5   5   5   3   2   3   3   7   9   10  11  11
20 FT wind gust.9   10  9   6   4   4   5   9   15  17  19  19
Eye lvl wnd dir.SE  SE  SE  SE  E   N   N   E   E   E   E   SE
Eye lvl wnd spd.4   4   4   2   1   1   1   4   6   6   7   7
Eye lvl wnd gst.7   7   7   5   3   3   4   7   11  11  9   10
Ridge wind dir..NE  N   NE  E   NE  NE  NE  NE  NE  NE  NE  NE
Ridge wind spd..5   5   5   5   5   5   5   10  10  10  15  15
CWR.............0   0   0   0   0   0   0   0   0   0   0   0

$$
Forecaster...SEBASTIAN WESTERINK
Requested by...James Roberts
Type of request...PRESCRIBED
.TAG 2527102.1/SGX
.DELDT 12/07/25
.FormatterVersion 2.0.0
.EMAIL James.Roberts2@usda.gov