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FNUS75 KREV 022021
FWSREV

Spot Forecast for South Constantia...BLM
National Weather Service Reno NV
121 PM PDT Tue Sep 2 2025

Forecast is based on forecast start time of 0700 PDT on September 03.
If conditions become unrepresentative...contact the National
Weather Service in Reno.

.DISCUSSION...

* Isolated shower and storm activity Wednesday and Thursday
  afternoon and evenings.

* Slight risk of heavy rainfall and flash flooding both days, with
  Thursday being the higher risk with slower moving storms.


.WEDNESDAY...

Sky/Weather.........Partly cloudy. Patchy smoke in the afternoon. Slight
                    chance of showers and thunderstorms in the
                    afternoon.
Temperature.........58 at forecast start...Max 88.
RH..................65% at forecast start...Min 23%.
20-Foot Winds.......Winds southeast at 3 mph at forecast
                    start...otherwise Upslope 3-7 mph. Gusty and erratic winds
                    expected near thunderstorms in the afternoon.
Chc Wetting Rain....10%.
Chance of thunder...10%.
Mixing Height.......10500-11500 ft agl.
Transport Winds.....Light winds becoming southeast around 10 mph in
                    the afternoon.
Ventilation.........Poor to very good.

TIME (PDT)      7 AM      10 AM     1 PM      4 PM
Sky (%).........36        20        9         29
Weather cov.....                    PATCHY    PATCHY
Weather type....NONE      NONE      SMOKE     SMOKE
Tstm cov........
CWR.............0         0         10        10
Chc of thdr (%).0         0         10        10
Temp............58        74        86        86
RH..............65        42        25        24
20 FT wind......SE 3G5    SE 3G5    E 5G10    SE 5G10
Eye level wind..SE 2G3    SE 2G3    E 3G6     SE 3G6
Mx ht msl (kft).1.3       2.9       10        12
Transport wind..S 5       SE 5      SE 10     SE 10
Vrate kt-ft/1K..5         15        81        94
Ventrate Cat....POOR      MRGL      VYGD      VYGD

.WEDNESDAY NIGHT...

Sky/Weather.........Paartly cloudy. Patchy smoke in the evening. Slight
                    chance of showers and thunderstorms in the early evening.
Temperature.........Min 57.
RH..................Max 64%.
20-Foot Winds.......Downslope 2-6 mph.  Gusty and erratic winds
                    expected near thunderstorms in the early evening.
Chc Wetting Rain....5%.
Chance of thunder...10%.
Mixing Height.......1400-1900 ft agl.
Transport Winds.....South around 10 mph in the evening and
                    overnight becoming light.
Ventilation.........Very good to poor.

TIME (PDT)      5 PM      8 PM      11 PM     2 AM
Sky (%).........53        47        37        23
Weather cov.....PATCHY    PATCHY
Weather type....SMOKE     SMOKE     NONE      NONE
Tstm cov........
CWR.............10        10        0         0
Chc of thdr (%).10        10        0         0
Temp............85        74        68        62
RH..............26        39        51        61
20 FT wind......SW 6G10   W 2G5     SW 5G10   SW 3G5
Eye level wind..SW 4G6    W 1G3     SW 3G6    SW 2G3
Mx ht msl (kft).9.8       1.3       1.3       1.3
Transport wind..S 10      SW 10     S 10      S 5
Vrate kt-ft/1K..78        9         9         6
Ventrate Cat....VYGD      MRGL      MRGL      POOR

.THURSDAY...

Sky/Weather.........Sunny then becoming partly cloudy. Slight
                    chance of showers and thunderstorms in the
                    afternoon.
Temperature.........Max 87.
RH..................Min 24%.
20-Foot Winds.......Upslope 3-7 mph. Gusty and erratic winds
                    expected near thunderstorms in the afternoon.
Chc Wetting Rain....10%.
Chance of thunder...20%.
Mixing Height.......10400-11400 ft agl.
Transport Winds.....Light winds becoming southeast around 10 mph in
                    the afternoon.
Ventilation.........Poor to very good.

TIME (PDT)      5 AM      8 AM      11 AM     2 PM
Sky (%).........24        21        28        33
Weather cov.....                    S CHC     S CHC
Weather type....NONE      NONE      RNSHWR    RNSHWR
Tstm cov........                    S CHC     S CHC
CWR.............0         0         10        10
Chc of thdr (%).0         0         20        20
Temp............58        63        81        86
RH..............64        62        33        25
20 FT wind......SW 5      SW 5      SE 2G5    SE 5G10
Eye level wind..SW 3      SW 3      SE 1G3    SE 3G6
Mx ht msl (kft).1.3       1.3       6.6       12
Transport wind..S 5       S 5       S 10      SE 10
Vrate kt-ft/1K..5         5         53        85
Ventrate Cat....POOR      POOR      GOOD      VYGD

$$
Forecaster...Richardson
Requested by...David Nelson
Type of request...WILDFIRE
.TAG 2520971.2/REV
.DELDT 09/02/25
.FormatterVersion 2.0.0
.EMAIL mpeak@blm.gov,nvsfc@firenet.gov.,david_nelson@firenet.gov