570
FNUS75 KREV 020442
FWSREV

Spot Forecast for Hannahs Pile Rx unit 4...nevada division of forestry
National Weather Service Reno NV
842 PM PST Mon Dec 1 2025

Forecast is based on ignition time of 0700 PST on December 02.
If conditions become unrepresentative...contact the National
Weather Service in Reno.

.DISCUSSION...

* Gusty westerly winds up to around 30 mph are in the forecast for
  Tuesday along with dry conditions continuing.

* A dry cold front passage expects to shift winds to the north-
  northeast on Tuesday night and then to the east by Wednesday
  morning with gusts increasing to around 35 mph.

* Colder daytime temperatures are seen in the forecast on
  Wednesday following the cold front passage before milder
  temperatures return by the weekend.

.TUESDAY...

Sky/Weather.........Sunny then becoming partly cloudy.
Temperature.........35 at ignition...Max 45-46.
RH..................54% at ignition...Min 40-44%.
20-Foot Winds.......Winds northwest at 16 mph at
                    ignition...otherwise West winds 15-20 mph
                    with gusts up to around 30 mph in the
                    afternoon.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......200-500 ft agl then 900-1200 ft agl in the
                    afternoon.
Transport Winds.....West 15-20 mph.
Ventilation.........Poor to fair.

TIME (PST)      7 AM      10 AM     1 PM
Sky (%).........7         4         29
Weather cov.....
Weather type....NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0
Chc of thdr (%).0         0         0
Temp............35        41        45
RH..............54        56        44
20 FT wind......NW 16G25  W 16G25   W 20G30
Mx ht msl (kft).0.1       1.0       1.2
Transport wind..NW 15     W 15      W 20
Vrate kt-ft/1K..0         12        21
Ventrate Cat....POOR      MRGL      FAIR

.TUESDAY NIGHT...

Sky/Weather.........Partly cloudy.
Temperature.........Min 22-23.
RH..................Max 78-83%.
20-Foot Winds.......West winds 16-21 mph gusting to around 30
                    mph becoming northeast 11-16 mph gusting
                    up to 25 mph overnight.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......200-500 ft agl.
Transport Winds.....West around 20 mph shifting to the north
                    overnight.
Ventilation.........Poor.

TIME (PST)      4 PM      7 PM      10 PM     1 AM
Sky (%).........43        45        31        35
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Chc of thdr (%).0         0         0         0
Temp............40        35        31        27
RH..............49        60        57        69
20 FT wind......W 21G30   W 18G30   N 16G25   NE 16G25
Mx ht msl (kft).0.1       0.1       0.1       0.1
Transport wind..W 20      NW 20     N 15      NE 15
Vrate kt-ft/1K..0         0         0         0
Ventrate Cat....POOR      POOR      POOR      POOR

.WEDNESDAY...

Sky/Weather.........Partly cloudy.
Temperature.........Max 28-29.
RH..................Min 63-65%.
20-Foot Winds.......Northeast winds 16-21 mph shifting to the east
                    late in the morning, then becoming east 16-21
                    mph early in the afternoon decreasing to 12-17
                    mph late in the afternoon.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......200-500 ft agl then 600-800 ft agl late in the
                    afternoon.
Transport Winds.....East 15-20 mph.
Ventilation.........Poor.

TIME (PST)      4 AM      7 AM      10 AM     1 PM
Sky (%).........47        40        35        28
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Chc of thdr (%).0         0         0         0
Temp............25        24        24        29
RH..............71        80        83        68
20 FT wind......NE 17G25  E 21G30   E 21G30   E 17G25
Mx ht msl (kft).0.1       0.1       0.3       0.6
Transport wind..E 15      E 20      E 20      E 15
Vrate kt-ft/1K..0         0         4         8
Ventrate Cat....POOR      POOR      POOR      POOR

$$
Forecaster...Chyba
Requested by...Chance Seliskar
Type of request...PRESCRIBED
.TAG 2526787.0/REV
.DELDT 12/02/25
.FormatterVersion 2.0.0
.EMAIL cseliskar@forestry.nv.gov