035
FNUS76 KSGX 091702
FWSSGX

Spot Forecast for PRD Admin Station Pile Burn RXB3...USFS
National Weather Service San Diego CA
902 AM PST Tue Dec 9 2025

Forecast is based on ignition time of 1107 PST on December 09.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

.REST OF TODAY...

Winds this morning out of the east-northeast becoming
northwesterly by the afternoon around 5 mph with gusts up to 10
mph. Minimum relative humidity dropping to 10-15% by the early
afternoon. Winds will shift this evening to out of the southeast
and remain around 5 mph with gustier winds around 10 mph most of
the night. Peak morning humidity Wednesday will be around 30-35%.
Southeast winds of similar intensity early Wednesday morning
shifting to more northerly by late morning/early afternoon.

Sky/weather.........Sunny (0-5 percent).
Max temperature.....Around 83.
Min humidity........12 percent.
Eye level winds.....Light winds becoming northwest up to 5 mph
                    early in the afternoon, then becoming light
                    late in the afternoon becoming north around 4
                    mph late in the afternoon.
Wind (20 ft)........
 Slope/valley.......Light winds becoming northwest 5 to 7 mph early
                    in the afternoon, then becoming light late in
                    the afternoon becoming north around 5 mph late
                    in the afternoon.
 Ridgetop...........Northeast around 5 mph.
CWR.................0 percent.
Mixing height.......3200 ft AGL.
Transport winds.....Northeast 5 to 6 mph decreasing to 3 to 5 mph
                    early in the afternoon, then shifting to the
                    east 5 to 8 mph late in the afternoon.

TIME (PST)      11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........1   1   0   0   0   1   1
Weather cov.....
Weather type....
Tstm cov........
Temp............81  82  83  83  82  79  72
RH..............12  12  12  13  13  15  18
20 FT wind dir..N   NW  NW  NW  NW  N   N
20 FT wind spd..2   5   7   6   3   3   5
20 FT wind gust.6   10  12  10  7   6   9
Eye lvl wnd dir.N   NW  NW  NW  NW  N   N
Eye lvl wnd spd.1   4   5   4   2   2   4
Eye lvl wnd gst.4   7   9   7   5   5   7
Ridge wind dir..E   NE  NE  NE  E   NE  E
Ridge wind spd..5   5   5   5   5   5   5
CWR.............0   0   0   0   0   0   0

.TONIGHT...

Sky/weather.........Clear (0-5 percent).
Min temperature.....Around 54.
Max humidity........27 percent.
Eye level winds.....Southeast winds up to 6 mph.
Wind (20 ft)........
 Slope/valley.......Southeast winds 6 to 8 mph.
 Ridgetop...........Northeast 5 to 10 mph.
CWR.................0 percent.
Mixing height.......500 ft AGL.
Transport winds.....East 9 to 13 mph.

TIME (PST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........1   1   1   1   2   2   2   3   3   3   3   3
Weather cov.....
Weather type....
Tstm cov........
Temp............69  66  66  64  62  61  60  59  58  57  56  55
RH..............18  18  17  18  19  20  21  22  23  24  25  27
20 FT wind dir..E   SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..6   7   8   8   8   8   7   7   7   7   8   8
20 FT wind gust.11  12  13  13  13  13  12  12  12  12  13  13
Eye lvl wnd dir.E   SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
Eye lvl wnd spd.4   5   5   6   6   5   5   4   5   5   5   5
Eye lvl wnd gst.8   9   9   9   9   9   9   9   9   9   9   9
Ridge wind dir..E   NE  NE  NE  NE  NE  NE  NE  NE  E   E   E
Ridge wind spd..5   5   5   5   5   5   5   5   5   5   10  10
CWR.............0   0   0   0   0   0   0   0   0   0   0   0

.WEDNESDAY...

Sky/weather.........Sunny (0-5 percent).
Max temperature.....Around 83.
Min humidity........13 percent.
Eye level winds.....East winds 5 to 6 mph with gusts to around 10
                    mph shifting to the northeast around 6 mph with
                    gusts to around 11 mph in the afternoon.
Wind (20 ft)........
 Slope/valley.......Southeast winds around 8 mph shifting to the
                    north 8 to 9 mph with gusts to around 15 mph in
                    the afternoon.
 Ridgetop...........Northeast 5 to 10 mph.
CWR.................0 percent.
Mixing height.......3200 ft AGL.
Transport winds.....East 5 to 13 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   2   2
Weather cov.....
Weather type....
Tstm cov........
Temp............56  56  61  70  80  82  82  83  83  81  79  75
RH..............26  27  24  19  14  14  14  13  14  15  17  19
20 FT wind dir..SE  SE  E   NE  NE  N   N   N   N   N   N   NE
20 FT wind spd..8   8   8   9   9   9   9   9   8   8   8   8
20 FT wind gust.13  13  14  15  15  15  15  15  15  14  14  13
Eye lvl wnd dir.SE  SE  E   NE  NE  N   N   N   N   N   N   NE
Eye lvl wnd spd.5   6   6   6   7   7   6   6   6   6   6   6
Eye lvl wnd gst.9   9   10  11  11  11  11  11  11  10  10  9
Ridge wind dir..E   E   E   E   E   E   E   E   NE  NE  NE  NE
Ridge wind spd..10  10  10  10  10  5   5   5   5   5   5   5
CWR.............0   0   0   0   0   0   0   0   0   0   0   0

$$
Forecaster...LAUREN VILLAFANE
Requested by...James Roberts
Type of request...PRESCRIBED
.TAG 2527102.3/SGX
.DELDT 12/09/25
.FormatterVersion 2.0.0
.EMAIL James.Roberts2@usda.gov