Spot Forecast
Issued by NWS San Diego, CA

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
926
FNUS76 KSGX 091545
FWSSGX

Spot Forecast for Unit 115 Rx NMD...USFS
National Weather Service San Diego CA
845 AM PDT Sun Mar 9 2025

Forecast is based on ignition time of 1600 PDT on March 09.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...
Conditions remain warm and dry into Monday with afternoon highs in
the mid to upper 60s and clear skies. Max RH overnight tonight will
be excellent, in the mid 90s, with low afternoon RH on Monday in the
mid 20s. Winds generally light (below 15 mph) and out of the
southwest through tomorrow. Better moisture and cooler weather
return Monday night, with precipitation chances beginning as early
as 2 AM Tuesday morning. Precipitation amounts Tuesday through
Tuesday night expected to be around 0.25", but could go all the way
up to 0.40". There will be a lull in precipitation Wednesday morning
before another system moves across, which will be much wetter and
colder than the first. The heaviest rain with this next system will
be Thursday morning and afternoon, when over an inch of rainfall is
expected. Winds will be stronger Wednesday into Friday as well,
still generally out of the southwest.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 69.
Min humidity........21 percent.
Eye level winds.....Southwest winds around 4 mph.
Wind (20 ft)........
 Slope/valley.......Southwest winds 6 to 7 mph.
 Ridgetop...........South 5 to 10 mph.
CWR.................0 percent.
Mixing height.......3500 ft AGL.
Transport winds.....Southwest 5 to 7 mph.

TIME (PDT)      4PM 5PM
Sky (%).........3   4
Weather cov.....
Weather type....
Tstm cov........
Temp............68  66
RH..............24  29
20 FT wind dir..SW  SW
20 FT wind spd..6   7
20 FT wind gust.11  11
Eye lvl wnd dir.SW  SW
Eye lvl wnd spd.4   4
Eye lvl wnd gst.8   8
Ridge wind dir..S   S
Ridge wind spd..5   10
CWR.............0   0

.TONIGHT...

Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....Around 41.
Max humidity........95 percent.
Eye level winds.....South winds around 4 mph early in the evening
                    becoming light.
Wind (20 ft)........
 Slope/valley.......Southwest winds around 6 mph shifting to the
                    south around 5 mph early in the evening, then
                    becoming light early in the evening.
 Ridgetop...........Southeast 5 to 10 mph.
CWR.................0 percent.
Mixing height.......100 ft AGL.
Transport winds.....Southwest 3 to 7 mph shifting to the east 3 to
                    6 mph in the late evening and overnight.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........4   4   2   2   2   6   6   6   6   6   6   13
Weather cov.....
Weather type....
Tstm cov........
Temp............62  54  51  47  45  45  45  43  43  42  41  41
RH..............38  53  67  80  90  95  95  92  85  75  62  55
20 FT wind dir..SW  S   S   SE  SE  E   SE  SE  SE  SE  SE  SE
20 FT wind spd..6   5   2   2   3   3   3   2   2   2   2   2
20 FT wind gust.11  9   6   6   7   8   7   6   6   6   6   7
Eye lvl wnd dir.SW  S   S   SE  SE  E   SE  SE  SE  SE  SE  SE
Eye lvl wnd spd.4   3   1   1   2   3   2   1   1   1   1   1
Eye lvl wnd gst.8   7   5   5   5   6   5   5   5   5   5   5
Ridge wind dir..SE  SE  S   E   E   S   SE  SE  S   SE  SE  S
Ridge wind spd..5   5   10  5   5   10  5   5   10  5   5   10
CWR.............0   0   0   0   0   0   0   0   0   0   0   0

.MONDAY...

Sky/weather.........Mostly sunny (10-20 percent) then becoming
                    partly cloudy (35-45 percent).
Max temperature.....Around 68.
Min humidity........27 percent.
Eye level winds.....Light winds becoming southwest up to 5 mph with
                    gusts to around 10 mph late in the afternoon.
Wind (20 ft)........
 Slope/valley.......Light winds becoming southwest 5 to 7 mph with
                    gusts to around 14 mph late in the afternoon.
 Ridgetop...........South 5 to 10 mph increasing to around 15 mph
                    late in the afternoon.
CWR.................4 percent.
Mixing height.......4500 ft AGL.
Transport winds.....Southeast 3 to 8 mph shifting to the south
                    around 9 mph late in the afternoon.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........13  13  13  13  13  37  37  37  37  37  37  40
Weather cov.....
Weather type....
Tstm cov........
Temp............43  43  45  48  56  63  66  64  67  63  62  64
RH..............54  55  50  37  29  29  36  40  27  33  45  34
20 FT wind dir..SE  SE  SE  SE  SE  E   SE  S   SW  SW  SW  SW
20 FT wind spd..2   2   2   2   1   1   2   2   3   5   7   7
20 FT wind gust.7   7   7   6   6   6   8   9   11  12  13  14
Eye lvl wnd dir.SE  SE  SE  SE  SE  E   SE  S   SW  SW  SW  SW
Eye lvl wnd spd.1   2   1   1   1   1   1   1   2   4   4   5
Eye lvl wnd gst.5   5   5   5   4   5   6   7   8   9   9   10
Ridge wind dir..S   S   S   S   S   S   S   S   S   S   S   S
Ridge wind spd..5   5   10  10  10  10  10  10  10  10  10  15
CWR.............0   0   0   0   0   0   0   0   0   0   0   0

.FORECAST DAYS 3 THROUGH 5...
.TUESDAY...
Cooler. Partly cloudy. Showers likely. Lows around 40. Highs in
the mid 50s. Southeast winds around 5 mph.
.WEDNESDAY...
Partly cloudy. Chance of showers. Lows in the lower 40s. Highs in
the upper 50s. South winds around 7 mph.
.THURSDAY...
Showers. Lows in the upper 30s. Highs around 50. Southwest winds
around 14 mph.

$$
Forecaster...SAMANTHA ZUBER
Requested by...Cyrus Calvan
Type of request...PRESCRIBED
.TAG 2505442.0/SGX
.DELDT 03/09/25
.FormatterVersion 2.0.0
.EMAIL cyrus.galvan@usda.gov,christopher.olesen@usda.gov