955
FNUS76 KSGX 182218
FWSSGX

Spot Forecast for CAL FIRE Training - Situation Unit Leader...CAL FIRE
National Weather Service San Diego CA
318 PM PDT Tue Mar 18 2025

Forecast is based on forecast start time of 0800 PDT on March 19.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...
Mild, dry weather this week. Winds shift offshore tonight through
Wednesday morning, but remain weak until the mid-morning. Winds
pick up and become gusty after about 0900 PDT in the morning, then
starts to gradually decrease again after 1300 PDT. Generally
light winds in the late afternoon will then become northwest and
breezy after 1800 PDT. Very dry conditions most of Wednesday, with
humidity in the teens. Wind become light and variable from the
south and east after 2200-2300 PDT through Thursday afternoon,
when winds will become breezy from the west-northwest, strongest
1700-2100 PDT.

.WEDNESDAY...

Sky/weather.........Mostly sunny.
Max temperature.....Around 73.
Min humidity........15-17 percent.
Surface winds (mph).East 2-4 mph increasing to 8-10 mph with gusts
12-15 mph after 0900 PDT, decreasing to 3-5
mph after 1300 PDT, then shifting to the
                    northwest after 1800 PDT.
 Ridgetop...........East 3-5 mph increasing to 10-15 mph with gusts
up to 20 mph after 0900 PDT, decreasing to 5-8
mph after 1300 PDT, then shifting to the
                    northwest after 1800 PDT.
Chance of pcpn......0 percent.
Mixing height.......Increasing to 5100 ft AGL.
Transport winds.....East 10-20 mph becoming northeast 2-8 mph
                    late in the afternoon, then becoming light
late in the afternoon.
Rainfall amount.....0.00 inches.
Snowfall amount.....0.0 inches.
Snow level..........5400-6000 ft increasing to 6400 ft late in the
                    afternoon.

TIME (PDT)      8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........0      0      1      2      2
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............43     59     68     72     72
RH..............45     22     15     17     18
Surface wnd dir.E      E      E      E      NE
Surface wnd spd.3      13     11     4      3
Surface wnd gst.7      21     20     10     6
Ridgetop wind...E 5    E 15   NE 5   N 0    NW 5
Chc of pcpn (%).0      0      0      0      0
Snow lvl (kft)..5.4    5.4    5.5    6.0    6.0

.WEDNESDAY NIGHT...

Sky/weather.........Mostly clear.
Min temperature.....Around 43.
Max humidity........68-70 percent.
Surface winds (mph).Northwest 7-10 mph early in the evening,
then becoming light in the late evening and
overnight.
 Ridgetop...........West 10-15 mph decreasing to 5-10 mph after midnight.
Chance of pcpn......0 percent.
Mixing height.......Decreasing to 100 ft AGL.
Transport winds.....North to northwest 3-7 mph.
Rainfall amount.....0.00 inches.
Snowfall amount.....0.0 inches.
Snow level..........5900-6400 ft decreasing to 5400 ft early in the
                    morning.

TIME (PDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........14     14     14     14     14     14
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............70     62     54     48     46     44
RH..............21     31     45     56     60     62
Surface wnd dir.N      NW     NW     N      E      SE
Surface wnd spd.4      10     6      3      3      3
Surface wnd gst.9      17     12     7      8      6
Ridgetop wind...NW 15  W 10   W 10   W 10   W 10   W 10
Chc of pcpn (%).0      0      0      0      0      0
Snow lvl (kft)..6.4    6.4    6.4    6.3    5.9    5.9

.THURSDAY...

Sky/weather.........Mostly sunny.
Max temperature.....Around 73.
Min humidity........21-23 percent.
Surface winds (mph).Southeast 1-3 mph becoming west 7-11 mph in the
                    afternoon after 1300 PDT.
 Ridgetop...........West 5-10 mph becoming 10-15 in the late afternoon.
Chance of pcpn......0 percent.
Mixing height.......Increasing to 4900 ft AGL.
Transport winds.....Southeast 2-5 mph shifting to the west in
                    the late morning, then increasing to 5-10 mph
late in the afternoon.
Rainfall amount.....0.00 inches.
Snowfall amount.....0.0 inches.
Snow level..........5100-6000 ft increasing to 6600 ft late in the
                    afternoon.

TIME (PDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........14     14     14     7      7      7
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............44     45     57     66     71     71
RH..............66     68     44     28     21     22
Surface wnd dir.E      E      SW     W      W      W
Surface wnd spd.1      1      1      3      9      11
Surface wnd gst.3      5      6      9      14     15
Ridgetop wind...W 10   W 5    W 5    W 5    W 10   W 10
Chc of pcpn (%).0      0      0      0      0      0
Snow lvl (kft)..5.4    5.1    5.1    5.4    6.0    6.0

$$
Forecaster...CHANDLER PRICE
Requested by...Topher Byrd - CAL FIRE SITL Cadre member
Type of request...OTHER
.TAG 2506974.0/SGX
.DELDT 03/18/25
.FormatterVersion 2.0.0
.EMAIL topher.byrd@fire.ca.gov