167
FNUS75 KREV 140001
FWSREV

Spot Forecast for Clark...CAL Fire
National Weather Service Reno NV
501 PM PDT Wed Aug 13 2025

Forecast is based on forecast start time of 0700 PDT on August 14.
If conditions become unrepresentative...contact the National
Weather Service in Reno.

.DISCUSSION...

* Breezy northwest winds continue through the weekend with cooler
  temperatures and higher humidity through Sunday.

* There is a slight chance of showers and thunderstorms Saturday
  and Sunday afternoons.

* Building high pressure will support warmer and drier weather
  next week.

.THURSDAY...

Sky/Weather.........Sunny.
Temperature.........54-57 at forecast start...Max 86-89.
RH..................65-70% at forecast start...Min 17-22%.
20-Foot Winds.......Winds southeast at 2-6 mph at forecast start,
                    becoming northwest at 8-12 mph with gusts up
                    to 20 mph after 1200 hours.
Chc Wetting Rain....0%.
Chance of thunder...5%.
Mixing Height.......7700-8700 ft agl.
Transport Winds.....Light winds becoming west 10-15 mph in the
                    afternoon.
Ventilation.........Poor increasing to excellent in the afternoon.

TIME (PDT)      7 AM      10 AM     1 PM      4 PM
Sky (%).........4         1         1         3
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Chc of thdr (%).0         0         0         10
Temp............55        73        82        85
RH..............67        41        29        21
20 FT wind......SE 2G5    NW 3G10   NW 8G15   W 10G20
Eye level wind..SE 1G3    NW 2G6    NW 5G9    W 5G12
Mx ht msl (kft).1.0       3.5       7.4       8.9
Transport wind..S 5       W 5       W 10      W 15
Vrate kt-ft/1K..4         14        74        107
Ventrate Cat....POOR      MRGL      VYGD      EXNT

.THURSDAY NIGHT...

Sky/Weather.........Clear.
Temperature.........Min 51-54.
RH..................Max 65-70%.
20-Foot Winds.......Northwest winds 6-10 mph with gusts to around 20
                    mph until 2000 hours, then becoming light.
Chc Wetting Rain....0%.
Chance of thunder...5%.
Mixing Height.......1000-1500 ft agl.
Transport Winds.....West around 15 mph shifting to the north in the
                    late evening.
Ventilation.........Excellent to poor.

TIME (PDT)      5 PM      8 PM      11 PM     2 AM
Sky (%).........3         7         4         0
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Chc of thdr (%).10        0         0         0
Temp............86        79        63        56
RH..............20        27        44        55
20 FT wind......W 9G20    NW 7G20   N 6G12    E 3G8
Eye level wind..W 5G12    NW 4G12   N 4G9     E 2G6
Mx ht msl (kft).8.5       1.5       1.2       0.9
Transport wind..W 15      N 15      N 15      NE 5
Vrate kt-ft/1K..102       20        13        4
Ventrate Cat....EXNT      FAIR      MRGL      POOR

.FRIDAY...

Sky/Weather.........Sunny.
Temperature.........Max 83-86.
RH..................Min 20-25%.
20-Foot Winds.......Southeast 3-7 mph becoming northwest 8-12 mph with
                    gusts to around 20 mph in the afternoon.
Chc Wetting Rain....0%. pslope
Chance of thunder...5%.
Mixing Height.......7500-8500 ft agl.
Transport Winds.....Light winds becoming west at 10-15 mph in the afternoon.
Ventilation.........Poor to very good.

TIME (PDT)      5 AM      8 AM      11 AM     2 PM
Sky (%).........4         2         2         6
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Chc of thdr (%).0         0         10        10
Temp............52        57        74        83
RH..............62        55        35        24
20 FT wind......E 2G5     E 3G5     N 5G10    NW 8G20
Eye level wind..E 1G3     E 2G3     N 3G6     NW 5G12
Mx ht msl (kft).0.9       1.8       4.8       9.0
Transport wind..E 5       NE 5      W 5       W 10
Vrate kt-ft/1K..4         9         24        90
Ventrate Cat....POOR      MRGL      FAIR      VYGD

$$
Forecaster...Salas
Requested by...Adam Peterson
Type of request...WILDFIRE
.TAG 2519696.3/REV
.DELDT 08/13/25
.FormatterVersion 2.0.0
.EMAIL adam.peterson@fire.ca.gov