703
FNUS75 KREV 030727
FWSREV

Spot Forecast for Tahoe Hills Pile Burn...California Tahoe Conservancy
National Weather Service Reno NV
1127 PM PST Tue Dec 2 2025

Forecast is based on ignition time of 0900 PST on December 03.
If conditions become unrepresentative...contact the National
Weather Service in Reno.

.DISCUSSION...

* East winds Wednesday will be gusty at times, improving ventilation
  for the afternoon. Poor mixing returns Wednesday night as winds
  subside.

* Wind will remain easterly through Thursday morning.

* A 5-10% chance for showers for the weekend, otherwise dry and
  warm conditions prevail.

.WEDNESDAY...

Sky/Weather.........Partly cloudy.
Temperature.........29-32 at ignition...Max 40-43.
RH..................83-88% at ignition...Min 50-55%.
20-Foot Winds.......East winds 13-17 mph with gusts to 25 mph
                    decreasing to 7-12 mph with gusts to 20
                    mph in the late afternoon.
Mixing Height.......2100-2500 ft agl.
Transport Winds.....East 20-25 mph.
Ventilation.........Fair to good.

TIME (PST)      9 AM      NOON      3 PM
Sky (%).........47        49        40
Weather cov.....
Weather type....NONE      NONE      NONE
Tstm cov........
Temp............31        38        40
RH..............86        63        53
20 FT wind......E 17G25   E 15G22   E 13G19
Mx ht msl (kft).2.1       2.5       2.3
Transport wind..E 25      E 25      E 20
Vrate kt-ft/1K..46        50        39
Ventrate Cat....GOOD      GOOD      FAIR

.WEDNESDAY NIGHT...

Sky/Weather.........Partly cloudy then becoming clear.
Temperature.........Min 23-26.
RH..................Max 73-78%.
20-Foot Winds.......East winds 7-12 mph with gusts to around 20 mph
                    in the evening becoming light.
Mixing Height.......900-1400 ft agl.
Transport Winds.....East around 15 mph.
Ventilation.........Fair to marginal.

TIME (PST)      4 PM      7 PM      10 PM     1 AM
Sky (%).........31        12        8         22
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Temp............39        33        30        27
RH..............53        65        69        74
20 FT wind......E 13G19   E 8G20    E 6G20    E 3G10
Mx ht msl (kft).1.7       0.9       0.9       0.8
Transport wind..E 15      E 15      E 15      E 15
Vrate kt-ft/1K..24        12        10        9
Ventrate Cat....FAIR      MRGL      MRGL      MRGL

.THURSDAY...

Sky/Weather.........Sunny then becoming partly cloudy.
Temperature.........Max 46-49.
RH..................Min 34-39%.
20-Foot Winds.......East 2-6 mph.
Mixing Height.......1400-1900 ft agl.
Transport Winds.....East around 10 mph in the morning becoming
                    light.
Ventilation.........Poor to marginal.

TIME (PST)      4 AM      7 AM      10 AM     1 PM
Sky (%).........21        38        41        31
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Temp............26        26        40        46
RH..............73        66        46        36
20 FT wind......E 2G5     E 2G5     E 1G5     NE 1G5
Mx ht msl (kft).0.8       0.8       1.4       1.9
Transport wind..E 10      E 10      E 5       N 5
Vrate kt-ft/1K..7         5         6         10
Ventrate Cat....POOR      POOR      POOR      MRGL

$$
Forecaster...Johnston
Requested by...Milan Yeates
Type of request...PRESCRIBED
.TAG 2526941.0/REV
.DELDT 12/03/25
.FormatterVersion 2.0.0
.EMAIL jason.pollard@tahoe.ca.gov,milan.yeates@tahoe.ca.gov