Spot Forecast
Issued by NWS San Diego, CA

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417
FNUS76 KSGX 301125
FWSSGX

Spot Forecast for North Main Divide Units 115 and 25...USFS
National Weather Service San Diego CA
425 AM PDT Tue Apr 30 2024

Forecast is based on ignition time of 0600 PDT on May 01.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...
Good overnight relative humidity recovery is expected Tuesday
night into Wednesday morning (70-80%). Slightly cooler on
Wednesday. Onshore winds on Wednesday will turn offshore
Wednesday night, peaking in strength Thursday morning before
sunrise. This will bring slightly drier minimum relative humidity
values and slightly warmer temperatures on Thursday. Winds will
then predominantly remain onshore through the rest of the week.
Cooler with higher relative humidity values and stronger onshore
winds for this weekend.

.WEDNESDAY...

Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 69.
Min humidity........49 percent.
Eye level winds.....Light winds becoming north around 4 mph late in
                    the morning, then turning to the west 5 to 7 mph
                    with gusts to 12 mph.
Wind (20 ft)........
 Slope/valley.......Light winds becoming north around 6 mph late in
                    the morning, then turning to the west 7 to 9 mph
                    with gusts to 15 mph.
 Ridgetop...........Northwest 5 to 10 mph.
CWR.................0 percent.
LAL.................1.
Mixing height.......2900 ft AGL.
Transport winds.....Southeast around 1 mph shifting to the west 1
                    to 7 mph early in the morning.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........4   4   6   6   6   4   4   4   6   6   6   3
Weather cov.....
Weather type....
Tstm cov........
Temp............49  51  54  59  62  64  66  68  69  69  68  66
RH..............75  71  65  58  53  50  49  49  50  50  52  54
20 FT wind dir..E   E   NE  NE  NE  N   N   NW  NW  W   W   SW
20 FT wind spd..1   1   1   2   5   6   6   6   7   8   9   9
20 FT wind gust.4   4   4   6   8   9   9   10  11  13  15  15
Eye lvl wnd dir.E   E   NE  NE  NE  N   N   NW  NW  W   W   SW
Eye lvl wnd spd.1   1   1   1   3   4   4   4   5   6   7   7
Eye lvl wnd gst.3   3   3   4   5   7   7   8   9   11  12  12
Ridge wind dir..NW  NW  NW  NW  NW  N   NW  NW  NW  NW  W   W
Ridge wind spd..10  10  5   10  10  5   5   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

.WEDNESDAY NIGHT...

Sky/weather.........Clear (0-10 percent).
Min temperature.....Around 49.
Max humidity........72 percent.
Eye level winds.....South winds around 4 mph early in the evening
                    becoming northeast 6 to 8 mph with gusts to
                    15 mph overnight.
Wind (20 ft)........
 Slope/valley.......South winds around 6 mph early in the evening
                    becoming northeast 8 to 11 mph with gusts to
                    18 mph overnight.
 Ridgetop...........Northwest around 5 mph turning to the
                    northeast 10 to 20 mph in the evening.
CWR.................0 percent.
LAL.................1.
Mixing height.......100 ft AGL.
Transport winds.....South 2 to 6 mph shifting to the east 3 to 8
                    mph in the late evening and overnight.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........3   3   3   3   3   2   2   2   2   2   2   2
Weather cov.....
Weather type....
Tstm cov........
Temp............62  58  55  53  52  52  52  52  52  51  50  50
RH..............60  66  71  72  71  68  61  54  50  51  54  63
20 FT wind dir..SW  SW  S   S   E   E   E   NE  NE  NE  NE  E
20 FT wind spd..6   5   5   5   5   6   8   9   10  10  10  11
20 FT wind gust.11  9   8   8   8   9   11  14  16  17  18  18
Eye lvl wnd dir.SW  SW  S   S   E   E   E   NE  NE  NE  NE  E
Eye lvl wnd spd.4   4   4   3   3   4   5   6   6   7   8   8
Eye lvl wnd gst.8   7   5   5   6   7   8   10  12  14  15  15
Ridge wind dir..W   NW  NW  N   N   NE  NE  NE  NE  NE  NE  NE
Ridge wind spd..5   5   5   5   10  10  15  20  20  20  20  15
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

.THURSDAY...

Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 73.
Min humidity........37 percent.
Eye level winds.....Northeast 6 to 8 mph with gusts to 15 mph in
                    the morning becoming west 7 to 10 mph with gusts
                    to 17 mph in the afternoon.
Wind (20 ft)........
 Slope/valley.......Northeast winds 9 to 11 mph with gusts to 18 mph
                    in the morning becoming west 9 to 12 mph with
                    gusts to 20 mph in the afternoon.
 Ridgetop...........Northeast 10 to 20 mph decreasing to around 10
                    mph late in the morning, becoming southwest 10
                    to 20 mph in the afternoon.
CWR.................0 percent.
LAL.................1.
Mixing height.......4800 ft AGL.
Transport winds.....Northeast 5 to 9 mph shifting to the north
                    around 3 mph late in the morning, then shifting
                    to the southwest 5 to 10 mph in the afternoon.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........2   2   2   2   2   2   2   2   2   2   2   4
Weather cov.....
Weather type....
Tstm cov........
Temp............51  53  55  59  63  66  69  70  71  71  70  68
RH..............61  58  53  48  42  38  37  38  39  41  43  47
20 FT wind dir..NE  NE  NE  NE  NE  NE  N   W   W   W   W   SW
20 FT wind spd..11  11  11  11  10  9   9   9   11  11  12  12
20 FT wind gust.18  18  18  17  16  15  15  16  17  19  20  20
Eye lvl wnd dir.NE  NE  NE  NE  NE  NE  N   W   W   W   W   SW
Eye lvl wnd spd.8   8   8   8   7   6   6   6   7   8   10  10
Eye lvl wnd gst.15  15  15  14  13  13  13  14  15  16  17  17
Ridge wind dir..NE  NE  NE  NE  NE  NE  N   W   SW  SW  SW  SW
Ridge wind spd..20  20  20  15  10  10  10  10  10  10  15  15
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...
.FRIDAY...
Clear. Lows in the upper 40s. Highs in the lower 70s. Southwest
winds 6 to 10 mph with gusts to 18 mph in the afternoon.
.SATURDAY...
Mostly clear. Lows in the upper 40s. Highs in the upper 60s.
Southwest winds 8 to 12 mph with gusts to 20 mph in the afternoon.
.SUNDAY...
Cooler. Partly cloudy. Lows in the upper 40s. Highs in the upper
50s. West winds 10 to 15 mph with gusts to 25 mph in the afternoon.

$$
Forecaster...ELIZABETH ADAMS
Requested by...Cyrus Galvan
Type of request...PRESCRIBED
.TAG 2410772.3/SGX
.DELDT 04/30/24
.FormatterVersion 2.0.0
.EMAIL charles.kott@usda.gov,cyrus.galvan@usda.gov