Spot Forecast
Issued by NWS San Diego, CA

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FNUS76 KSGX 021759
FWSSGX

Spot Forecast for Lytle Creek Admin Pile...USFS
National Weather Service San Diego CA
959 AM PST Tue Dec 2 2025

Forecast is based on ignition time of 1000 PST on December 04.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Persistent northerly Santa Ana winds through the Cajon Pass and
along coastal slopes of the mountains will produce elevated fire
weather conditions at the spot Thursday and Friday. 20 foot winds
up to 20 mph with gusts to 30 mph Thursday morning. Relative
humidity values around 20 percent each afternoon with poor
overnight recoveries around 30 percent.

.THURSDAY...

Sky/weather.........Mostly sunny (0-10 percent).
Max temperature.....Around 62.
Min humidity........20 percent.
Eye level winds.....North winds 8 to 12 mph. Gusts up to 20 mph
                    in the morning.
Wind (20 ft)........
 Slope/valley.......North winds 12 to 20 mph. Gusts up to 30 mph
                    in the morning.
 Ridgetop...........North around 20 mph in the late morning and
                    afternoon.
CWR.................0 percent.
Mixing height.......2800 ft AGL.
Transport winds.....North 15 to 22 mph.

TIME (PST)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........2   2   2   2   2   2   12  12
Weather cov.....
Weather type....
Tstm cov........
Temp............57  60  62  62  61  58  55  52
RH..............24  22  20  20  21  23  25  28
20 FT wind dir..N   N   N   N   N   N   N   N
20 FT wind spd..20  17  15  14  13  12  12  12
20 FT wind gust.30  27  25  22  20  20  20  20
Eye lvl wnd dir.N   N   N   N   N   N   N   N
Eye lvl wnd spd.12  10  9   8   8   7   7   7
Eye lvl wnd gst.18  16  13  12  12  12  12  12
Ridge wind dir..N   N   N   N   N   N   N   M
Ridge wind spd..20  20  20  20  20  20  20  M
CWR.............0   0   0   0   0   0   0   0

.THURSDAY NIGHT...

Sky/weather.........Mostly clear (0-10 percent).
Min temperature.....Around 39.
Max humidity........30 percent.
Eye level winds.....North winds around 6 mph with gusts t0 12 mph.
Wind (20 ft)........
 Slope/valley.......North winds 10 to 12 mph with gusts to 20 mph.
 Ridgetop...........
CWR.................0 percent in the evening and overnight.
Mixing height.......1200 ft AGL.
Transport winds.....North 12 to 13 mph.

TIME (PST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........12  12  12  12  8   8   8   8   8   8   1   1
Weather cov.....
Weather type....
Tstm cov........
Temp............48  44  43  42  42  41  41  41  41  41  41  41
RH..............31  33  34  33  32  32  32  31  30  28  28  31
20 FT wind dir..N   NW  NW  NW  N   N   N   N   N   N   N   N
20 FT wind spd..12  12  10  10  10  10  10  10  10  10  10  10
20 FT wind gust.20  20  18  18  18  20  20  20  20  20  20  20
Eye lvl wnd dir.N   NW  NW  N   N   N   N   N   N   N   N   N
Eye lvl wnd spd.7   7   6   6   6   6   6   6   6   6   6   6
Eye lvl wnd gst.11  11  10  10  10  11  11  11  11  11  11  11
Ridge wind dir..M   M   M   M   M   M   M   M   M   M   M   M
Ridge wind spd..M   M   M   M   M   M   M   M   M   M   M   M
CWR.............0   0   0   0   0   0   0   0   0   0   M   M

.FRIDAY...

Sky/weather.........Sunny (0-5 percent).
Max temperature.....Around 66.
Min humidity........20 percent.
Eye level winds.....North winds 6 to 9 mph with gusts up to 15
mph late in the morning.
Wind (20 ft)........
 Slope/valley.......North winds 10 to 15 mph with gusts up to 22
mph late in the morning.
 Ridgetop...........
CWR.................MISSING.
Mixing height.......3900 ft AGL.
Transport winds.....North 6 to 12 mph shifting to the northwest
                    around 6 mph late in the afternoon.

TIME (PST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........1   1   1   1   2   2   2   2   2   2   3   3
Weather cov.....
Weather type....
Tstm cov........
Temp............41  44  49  56  61  65  66  66  65  62  59  55
RH..............35  38  32  27  23  21  20  21  23  27  31  35
20 FT wind dir..N   N   N   N   N   N   N   N   N   N   N   N
20 FT wind spd..12  12  13  14  15  14  13  12  11  10  10  10
20 FT wind gust.20  20  21  22  22  22  21  20  18  16  16  16
Eye lvl wnd dir.N   N   N   N   N   N   N   N   N   N   N   N
Eye lvl wnd spd.7   7   8   8   9   8   8   7   6   6   6   6
Eye lvl wnd gst.11  12  12  13  14  13  12  11  10  9   9   8
Ridge wind dir..M   M   M   M   M   M   M   M   M   M   M   M
Ridge wind spd..M   M   M   M   M   M   M   M   M   M   M   M
CWR.............M   M   M   M   M   M   M   M   M   M   M   M

$$
Forecaster...KYLE WHEELER
Requested by...John Galvan
Type of request...PRESCRIBED
.TAG 2526865.0/SGX
.DELDT 12/02/25
.FormatterVersion 2.0.0
.EMAIL john.galvan@usda.gov