Suppression 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
699
FNUS76 KSGX 042300
FWSSGX

Spot Forecast for Unit 12...USFS Cleveland NF, Descanso Ranger District
National Weather Service San Diego CA
300 PM PST Tue Feb 4 2025

Forecast is based on ignition time of 0600 PST on February 05.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...
A few, somewhat weak weather systems will push through the region
in the latter half of the week. Breezy west-southwest winds will
continue to be breezy this afternoon and overnight, becoming west
and diminishing Wednesday. A few waves of spotty precipitation
will pass through the region early Wednesday morning through
Thursday morning, but any precipitation will be light and on-and-
off. Southwest winds will increase again ahead of another system
on Thursday, with more chances for precipitation late Thursday
through Friday. Rain is again expected to be on the lighter side,
with around 0.10" of accumulation. Drier conditions over the
weekend, with lower humidity.

.WEDNESDAY...

Sky/weather.........Partly cloudy. Patchy low clouds/fog through
the day. 30% chance of rain early in the
                    morning, decreasing to 15-20% in the late
                    morning and afternoon. 0.00-0.05" rain
accumulation possible.
Max temperature.....Around 52 degrees.
Min humidity........64-66 percent.
Eye level winds.....West winds decreasing in the early morning to
4-6 mph, gusts 8-11 mph.
Wind (20 ft)........
 Slope/valley.......West winds decreasing in the early morning to
6-12 mph, gusts 14-18 mph.
 Ridgetop...........West 10-15 mph.
CWR.................18 percent.
Mixing height.......Increasing to 2500 ft AGL.
Transport winds.....West 15-20 mph decreasing to 10-15 mph
                    late in the morning.

TIME (PST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........64  64  64  64  45  45  45  45  45  45  27  27
Weather cov.....CHC CHC CHC CHC SCH SCH SCH SCH SCH SCH SCH SCH
Weather type....RN  RN  RN  RN  RNF RNF RNF RNF RNF RNF RNF RNF
Tstm cov........
Temp............40  40  44  46  48  49  52  51  52  51  49  46
RH..............85  87  79  76  69  66  65  65  66  68  69  70
20 FT wind dir..W   W   W   W   W   W   W   SW  SW  W   W   W
20 FT wind spd..14  9   8   7   7   6   6   6   7   9   10  9
20 FT wind gust.22  15  14  12  11  11  10  10  12  16  17  15
Eye lvl wnd dir.W   W   W   W   W   W   W   SW  SW  W   W   W
Eye lvl wnd spd.10  6   6   5   4   4   4   4   4   6   6   6
Eye lvl wnd gst.16  11  10  9   8   8   7   7   9   10  11  11
Ridge wind dir..W   W   W   W   W   W   W   W   W   W   W   W
Ridge wind spd..20  15  15  15  15  15  15  15  15  15  15  15
CWR.............20  20  20  20  10  10  10  10  10  10  10  10

.WEDNESDAY NIGHT...

Sky/weather.........Partly cloudy. Patchy fog/low clouds through
the night. 20-30% chance of rain in the late
                    evening and overnight. Little to no accumulation
expected.
Min temperature.....Around 38 degrees.
Max humidity........77-80 percent.
Eye level winds.....West winds 3-4 mph.
Wind (20 ft)........
 Slope/valley.......West winds 6-7 mph.
 Ridgetop...........West 10-15 mph.
CWR.................18 percent increasing to 23 percent after 3 am.
Mixing height.......Decreasing to 100 ft AGL.
Transport winds.....West 10 to 13 mph.

TIME (PST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........27  27  27  27  44  44  44  44  44  44  58  58
Weather cov.....SCH SCH SCH SCH CHC CHC CHC CHC CHC CHC CHC CHC
Weather type....RNF RNF RNF RNF RN  RN  RN  RN  RN  RN  RN  RN
Tstm cov........
Temp............45  44  43  44  42  41  43  42  40  40  41  38
RH..............69  70  71  72  73  75  75  77  77  78  79  79
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..7   6   6   6   6   6   6   6   6   6   6   6
20 FT wind gust.12  11  11  11  11  11  11  11  11  11  11  11
Eye lvl wnd dir.W   W   W   W   W   W   W   W   W   W   W   W
Eye lvl wnd spd.5   4   4   4   4   4   4   4   4   4   4   4
Eye lvl wnd gst.9   8   8   8   8   8   8   8   8   8   8   8
Ridge wind dir..W   W   W   W   W   W   W   W   W   W   W   W
Ridge wind spd..15  15  15  15  10  10  10  10  10  10  10  10
CWR.............10  10  10  10  20  20  20  20  20  20  20  20

.THURSDAY...

Sky/weather.........Partly cloudy. 15% chance of rain in
                    the late morning and early afternoon. Patchy
                    fog through the day. Little to no rain accumulation
expected.
Max temperature.....Around 50 degrees.
Min humidity........49-52 percent.
Eye level winds.....Southwest winds increasing to 8-11 mph after
1100 PST, gusts 13-16 mph.
Wind (20 ft)........
 Slope/valley.......Southwest winds increasing to 14-18 mph after
1100 PST, gusts up to 30 mph.
 Ridgetop...........West 10-15 mph increasing to 20-25 mph in
                    the late morning and afternoon.
CWR.................23 percent decreasing to 9 percent in the late
                    morning and afternoon.
Mixing height.......Increasing to 1000 ft AGL.
Transport winds.....Southwest 10-20 mph shifting to the west 20-25
mph late in the morning.

TIME (PST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........58  58  58  58  30  30  30  30  30  30  46  46
Weather cov.....CHC CHC CHC CHC SCH SCH SCH SCH SCH SCH PTY PTY
Weather type....RN  RN  RN  RN  RNF RNF RNF RNF RNF RNF FOG FOG
Tstm cov........
Temp............41  41  42  45  45  46  49  47  45  44  45  48
RH..............68  69  64  58  58  57  53  58  62  62  59  50
20 FT wind dir..W   W   W   SW  SW  SW  SW  SW  SW  SW  SW  SW
20 FT wind spd..6   7   7   8   9   10  12  13  14  15  16  16
20 FT wind gust.11  11  12  14  15  17  18  20  22  24  25  25
Eye lvl wnd dir.W   W   W   SW  SW  SW  SW  SW  SW  SW  SW  SW
Eye lvl wnd spd.4   4   5   6   6   7   8   9   10  11  11  10
Eye lvl wnd gst.8   8   9   10  11  12  13  15  16  16  16  16
Ridge wind dir..W   W   W   W   W   W   W   W   W   W   W   M
Ridge wind spd..10  10  15  15  20  20  25  25  25  25  25  M
CWR.............20  20  20  20  10  10  10  10  10  10  10  10

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...
Rain likely (60-70% chance starting overnight Thurs into Friday).
0.05-0.15" rain accumulation possible. Patchy fog/low clouds.
Lows in the upper 30s. Highs in the upper 40s. AM high humidity in
the low 80%s, afternoon low humidity in the 50%s. Southwest winds
around 12-15 mph.
.SATURDAY...
Partly cloudy. Patchy fog in the evening. Chance of rain and
slight chance of snow in the early morning. Lows in the mid 30s.
Highs in the mid 50s. AM high humidity in the 80%s, afternoon low
humidity in the low 30%s. West winds around 6-8 mph.
.SUNDAY...
Mostly clear. Lows in the mid 30s. Highs in the lower 50s. AM
high humidity in the low 40%s, afternoon low humidity in the 20%s.
Light winds.

$$
Forecaster...CHANDLER PRICE
Requested by...Carmelo Moyet
Type of request...PRESCRIBED
.TAG 2502273.0/SGX
.DELDT 02/04/25
.FormatterVersion 2.0.0
.EMAIL carmelo.moyet@usda.gov,sm.fs.cnfecc@usda.gov,diego.alvarez-calderon@usda.gov