589
FNUS75 KREV 011551
FWSREV

Spot Forecast for East Zone Roads Underburn...USFS TNF
National Weather Service Reno NV
851 AM PDT Wed May 1 2024

Forecast is based on ignition time of 0900 PDT on May 01.
If conditions become unrepresentative...contact the National
Weather Service in Reno.

.DISCUSSION...

* Light winds generally out northeast are expected this morning
  that look to turn more northerly by 1500-1600 PDT with a dry
  cold front passing through the area today. By the late evening
  hours, winds are anticipated to become light and variable going
  through the night.

* A gradual warming trend is in the forecast through the end of
  the work week as high pressure builds in over the region.

* Increased afternoon breezes begin Thursday ahead of an incoming
  system that is expected to bring increased chances for showers
  and thunderstorms as well as gusty winds on Saturday.


.REST OF TODAY...

Sky/Weather.........Sunny.
Temperature.........31-33 at ignition...Max 56-58.
RH..................46-48% at ignition...Min 16-18%.
20-Foot Winds.......Winds northeast around 5 mph at
                    ignition...otherwise Upslope 3-7 mph.
LAL.................1.
Chc Wetting Rain....0%.
Mixing Height.......6400-7400 ft agl.
Transport Winds.....Light winds becoming northwest around 10 mph in
                    the afternoon.
Ventilation.........Marginal to good.
Haines Index........4 at ignition...max 4.

.TONIGHT...

Sky/Weather.........Clear.
Temperature.........Min 30-32.
RH..................Max 54-56%.
20-Foot Winds.......North winds around 7 mph in the evening
                    becoming light.
LAL.................1.
Chc Wetting Rain....0%.
Mixing Height.......1600-2100 ft agl decreasing to 600 ft agl
                    overnight.
Transport Winds.....Northeast around 10 mph in the evening becoming
                    light.
Ventilation.........Good to poor.
Haines Index........2.

.THURSDAY...

Sky/Weather.........Sunny.
Temperature.........Max 60-62.
RH..................Min 22-24%.
20-Foot Winds.......Upslope 3-7 mph becoming west 9-14 mph late in
                    the afternoon.
LAL.................1.
Chc Wetting Rain....0%.
Mixing Height.......600 ft agl in the morning then 6700-7700 ft agl
                    in the late morning and afternoon.
Transport Winds.....Light winds becoming west around 20 mph.
Ventilation.........Poor to marginal increasing to excellent in the
                    afternoon.
Haines Index........2 to 3.

$$
Forecaster...Chyba
Requested by...Kevin Mechjam
Type of request...PRESCRIBED
.TAG 2412802.1/REV
.DELDT 05/01/24
.FormatterVersion 2.0.0
.EMAIL kevin.mecham@usda.gov