373
FNUS75 KREV 111146
FWSREV

Spot Forecast for Up Away Rx...Tahoe Douglas Fire Protection District
National Weather Service Reno NV
346 AM PST Tue Nov 11 2025

Forecast is based on ignition time of 0800 PST on November 11.
If conditions become unrepresentative...contact the National
Weather Service in Reno.

...WINTER STORM WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
LATE THURSDAY NIGHT...

.DISCUSSION...

* Seasonably mild and dry with light southwest breezes today.

* An incoming storm will begin to increase SW winds Wednesday
  afternoon. Stronger winds expected Wednesday night-Thursdsay.

* Wetting rains expected on Thursday with a change over to
  snowfall by Thursday afternoon.


.TUESDAY (VETERANS DAY)...

Sky/Weather.........Mostly cloudy.
Temperature.........44 at ignition...Max 60-64.
RH..................61% at ignition...Min 34-38%.
20-Foot Winds.......Winds southwest 3-7 mph.
Chc Wetting Rain....0%.
Mixing Height.......200-500 ft agl then 2200-2700 ft agl in the
                    afternoon.
Transport Winds.....Light winds becoming southwest 10-15 mph in the
                    afternoon.
Ventilation.........Poor to fair.

TIME (PST)      8 AM   10 AM  NOON   2 PM
Sky (%).........67     73     73     82
Weather cov.....
Weather type....NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0
Temp............44     54     60     63
RH..............61     51     37     35
20 ft wind......S 2    SW 2   SW 2   SW 3
20 ft wind gust.5      5      5      10
Mx ht msl (kft).0.3    2.3    2.3    2.7
Transport wind..SW 5   SW 10  SW 10  SW 15
Vrate kt-ft/1K..1      19     19     36
Ventrate Cat....POOR   MRGL   MRGL   FAIR

.TONIGHT...

Sky/Weather.........Mostly cloudy.
Temperature.........Min 41-45.
RH..................Max 53-58%.
20-Foot Winds.......Variable 2-6 mph.
Chc Wetting Rain....0%.
Mixing Height.......1600-1800 ft agl early in the evening.
Transport Winds.....Southwest 10-15 mph.
Ventilation.........Marginal to poor.

TIME (PST)      4 PM   6 PM   8 PM   10 PM  MIDNGT 2 AM
Sky (%).........87     87     85     73     73     56
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Temp............60     52     49     48     47     46
RH..............38     45     48     48     48     51
20 ft wind......W 2    W 2    SW 3   SW 5   SW 5   S 5
20 ft wind gust.10     10     10     10     10     10
Mx ht msl (kft).1.7    1.7    0.3    0.3    0.3    0.3
Transport wind..SW 10  SW 10  SW 10  SW 15  SW 15  SW 15
Vrate kt-ft/1K..15     15     2      3      3      3
Ventrate Cat....MRGL   MRGL   POOR   POOR   POOR   POOR

.WEDNESDAY...

Sky/Weather.........Partly cloudy.
Temperature.........Max 57-62.
RH..................Min 35-39%.
20-Foot Winds.......South winds 8-13 mph increasing to southwest
                    15-20 mph with gusts to around 35 mph.
Chc Wetting Rain....0%.
Mixing Height.......3300-4300 ft agl.
Transport Winds.....Southwest 10-15 mph increasing to 25-30 mph in
                    the afternoon.
Ventilation.........Poor to good increasing to excellent late in
                    the afternoon.

TIME (PST)      4 AM   6 AM   8 AM   10 AM  NOON   2 PM
Sky (%).........42     42     40     39     39     38
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Temp............45     42     47     55     59     60
RH..............51     54     57     47     40     37
20 ft wind......S 9    S 9    SW 13  S 16   S 16   SW 20
20 ft wind gust.15     15     20     25     25     35
Mx ht msl (kft).0.6    0.6    1.3    2.7    2.7    4.5
Transport wind..SW 10  SW 10  S 15   SW 25  SW 25  SW 30
Vrate kt-ft/1K..6      6      17     54     54     112
Ventrate Cat....POOR   POOR   MRGL   GOOD   GOOD   EXNT

$$
Forecaster...Fuentes/Crespo
Requested by...Mark Waite
Type of request...PRESCRIBED
.TAG 2525563.0/REV
.DELDT 11/11/25
.FormatterVersion 2.0.0
.EMAIL mwaite@tahoefire.org