575
FNUS75 KREV 171215
FWSREV

Spot Forecast for Upper Truckee 209...USFS
National Weather Service Reno NV
515 AM PDT Thu Apr 17 2025

Forecast is based on ignition time of 0800 PDT on April 17.
If conditions become unrepresentative...contact the National
Weather Service in Reno.

.DISCUSSION...

* There is 10% chance for showers and thunderstorms during the
  late morning and early afternoon. Storms could produce erratic
  gusts to 25-30 mph.

* Overall light winds across the burn area today. Then breezy easterly
  winds return Friday into the weekend.

* We will warm up and dry out by Friday through the remainder of the
  next week.

.TODAY...

Sky/Weather.........Partly cloudy then becoming sunny. Slight chance
of showers and thunderstorms in the afternoon.
Temperature.........38-41 at ignition...Max 51-56.
RH..................73-78% at ignition...Min 30-33%.
20-Foot Winds.......Upslope winds 3-7 mph in the morning, becoming
northwest 3-8 mph with gusts to 15 mph in
the afternoon.
Chc Wetting Rain....0%.
Chance of thunder...5-10% in the afternoon.
Mixing Height.......3800-4800 ft agl.
Transport Winds.....North 10-15 mph.
Ventilation.........Marginal to good.

TIME (PDT)      8 AM      11 AM     2 PM
Sky (%).........30        17        16
Weather cov.....
Weather type....NONE      NONE      NONE
Tstm cov........
CWR.............0         10        10
Chc of thdr (%).0         10        10
Temp............40        47        50
RH..............73        50        34
20 FT wind......N 2G10    N 6G15    NW 6G15
Mx ht msl (kft).1.6       4.1       4.9
Transport wind..NE 10     N 10      N 15
Vrate kt-ft/1K..13        42        54
Ventrate Cat....MRGL      GOOD      GOOD

.TONIGHT...

Sky/Weather.........Clear.
Temperature.........Min 27-31.
RH..................Max 52-57%.
20-Foot Winds.......Northwest winds around 5-10 mph early in the evening
                    becoming northeast 3-6 mph with gusts to 10 mph.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......4300-4500 ft agl early in the evening.
Transport Winds.....North 10-15 mph shifting to the northeast after
                    3 am.
Ventilation.........Good to poor.

TIME (PDT)      5 PM      8 PM      11 PM     2 AM
Sky (%).........15        11        6         5
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Chc of thdr (%).0         0         0         0
Temp............49        41        37        34
RH..............32        49        52        47
20 FT wind......NW 6G15   W 5G10    N 5G10    NE 6G15
Mx ht msl (kft).4.4       0.4       0.4       0.4
Transport wind..N 15      N 10      NE 15     NE 15
Vrate kt-ft/1K..49        4         5         5
Ventrate Cat....GOOD      POOR      POOR      POOR

$$
Forecaster...McKellar/Crespo
Requested by...Alex de Leon
Type of request...PRESCRIBED
.TAG 2510750.0/REV
.DELDT 04/17/25
.FormatterVersion 2.0.0
.EMAIL alexander.deleon@usda.gov