495
FNUS75 KREV 101539
FWSREV

Spot Forecast for East zone Roads Underburn...USFS TNF
National Weather Service Reno NV
839 AM PDT Fri May 10 2024

Forecast is based on ignition time of 0900 PDT on May 10.
If conditions become unrepresentative...contact the National
Weather Service in Reno.

.DISCUSSION...

* RH could reach as low as 19% around 1500 to 1600 local, but
  otherwise is expected stay within prescription, especially
  during ignition time.

* Winds remain light except for breezy northeast winds in
  the afternoon.

* Warming and drying will prevail through the weekend with
  good smoke ventilation each afternoon.

* A slight chance (10-20%) of showers and isolated thunderstorms
  is expected Sunday and Monday afternoon before dry weather
  settles in on Tuesday.

.REST OF TODAY...

Sky/Weather.........Sunny except partly cloudy in the afternoon.
Temperature.........40-43 at ignition...Max 63-65.
RH..................45-50% at ignition...Min 20-22%.
20-Foot Winds.......Winds northeast at 5 mph at
                    ignition...otherwise upslope 3-7 mph becoming
                    northeast 8-12 mph with gusts to 20 mph in
                    the afternoon.
LAL.................1.
Chc Wetting Rain....0%.
Mixing Height.......200-500 ft agl then 7000-8000 ft agl in the
                    late morning and afternoon.
Transport Winds.....East 15-20 mph.
Ventilation.........Good to excellent.
Haines Index........3.

.TONIGHT...

Sky/Weather.........Clear.
Temperature.........Min 35-38.
RH..................Max 65-70%.
20-Foot Winds.......Northeast winds 7-9 mph becoming light.
LAL.................1.
Chc Wetting Rain....0%.
Mixing Height.......1500-2500 ft agl decreasing to 600 ft agl
                    overnight.
Transport Winds.....Northeast 10-15 mph in the evening becoming
                    light.
Ventilation.........Very good to poor.
Haines Index........2

.SATURDAY...

Sky/Weather.........Sunny.
Temperature.........Max 78-71.
RH..................Min 18-20%.
20-Foot Winds.......Northeast 3-7 mph.
LAL.................1.
Chc Wetting Rain....0%.
Mixing Height.......600 ft agl in the morning then 6600-7600 ft agl
                    in the late morning and afternoon.
Transport Winds.....Light winds becoming east around 10 mph early
                    in the afternoon, then becoming light late in
                    the afternoon.
Ventilation.........Poor to good.
Haines Index........3.

$$
Forecaster...Whitlam
Requested by...Kevin Mecham
Type of request...PRESCRIBED
.TAG 2413555.2/REV
.DELDT 05/10/24
.FormatterVersion 2.0.0
.EMAIL kevin.mecham@usda.gov