975
FNUS75 KREV 100357
FWSREV

Spot Forecast for Big Hill RX...USFS Plumas National Forest
National Weather Service Reno NV
857 PM PDT Thu May 9 2024

Forecast is based on ignition time of 0800 PDT on May 10.
If conditions become unrepresentative...contact the National
Weather Service in Reno.

.DISCUSSION...

* Gusts 15-20 mph are possible for the burn site this afternoon.
  Fair to good daytime ventilation due to breezes.

* Good relative humidity recoveries to near 55-60% during overnight
  hours.

* Forecast trends are for further warming and drying through the
  weekend with limited morning recoveries.

.TODAY...

Sky/Weather.........Sunny except partly cloudy in the afternoon.
Temperature.........45-48 at ignition...Max 68-70.
RH..................59-64% at ignition...Min 20-24%.
20-Foot Winds.......Winds east at 7 mph at ignition...otherwise
                    East winds 7-11 with gusts to 20 mph in the
                    afternoon.
LAL.................1.
Chc Wetting Rain....0%.
Mixing Height.......7600-8600 ft agl.
Transport Winds.....East 15-20 mph.
Ventilation.........Good to excellent.
Haines Index........3.

.TONIGHT...

Sky/Weather.........Clear.
Temperature.........Min 43-45.
RH..................Max 54-58%.
20-Foot Winds.......Northeast winds around 7-11 mph in the evening
                    becoming light.
LAL.................1.
Chc Wetting Rain....0%.
Mixing Height.......8500-8700 ft agl decreasing to 600 ft agl in
                    the late evening and overnight.
Transport Winds.....Northeast around 10 mph in the evening and
                    overnight becoming light.
Ventilation.........Excellent to poor.
Haines Index........2.

.SATURDAY...

Sky/Weather.........Sunny.
Temperature.........Max 74-77.
RH..................Min 20-23%.
20-Foot Winds.......Upslope 3-7 mph.
LAL.................1.
Chc Wetting Rain....0%.
Mixing Height.......200-500 ft agl then 7100-8100 ft agl in the
                    late morning and afternoon.
Transport Winds.....Light winds becoming northeast around 10 mph in
                    the late morning and early afternoon, then
                    becoming light late in the afternoon.
Ventilation.........Poor to good.
Haines Index........3.

$$
Forecaster...Young/Richards
Requested by...Roman Rodriguez
Type of request...PRESCRIBED
.TAG 2413203.4/REV
.DELDT 05/10/24
.FormatterVersion 2.0.0
.EMAIL roman.rodriguez@usda.gov