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FNUS75 KREV 030446

FWSREV



Spot Forecast for Big Hill RX...USFS Plumas National Forest

National Weather Service Reno NV

946 PM PDT Thu May 2 2024



Forecast is based on ignition time of 0800 PDT on May 04. 

If conditions become unrepresentative...contact the National

Weather Service in Reno.



.DISCUSSION...





* A quick-hitting, cold system brings gusty southwest winds and 

  wetting rains/light snowfall above 5000 feet on Saturday. 



* Heaviest precipitation is expected early Saturday afternoon. 

  Otherwise, light showers are expected through Sunday morning.



* Breezy westerly winds expected Sunday afternoon.



.SATURDAY...



Sky/Weather.........Cloudy. Showers likely after 0900 local. 

Temperature.........40-42 at ignition...Max 43-45. 

RH..................95% at ignition...Min 75-80%. 

20-Foot Winds.......Winds south at 15 mph at ignition...otherwise 

                    South winds 10-15 mph with gusts to 25 mph in

                    the early afternoon, becoming southwest 8-11

                    mph in the late afternoon.

LAL.................1. 

Chc Wetting Rain....85% increasing to 95% in the afternoon. 

Mixing Height.......2700-3700 ft agl. 

Transport Winds.....Southwest 15-20 mph. 

Ventilation.........Fair to good. 

Haines Index........2. 



.SATURDAY NIGHT...



Sky/Weather.........Mostly cloudy. 30% chance of showers in the

                    evening and overnight.

Temperature.........Min 26-28. 

RH..................Max 95-99%. 

20-Foot Winds.......Southwest winds 7-9 mph becoming light overnight.

LAL.................2. 

Chc Wetting Rain....70% decreasing to 30% overnight. 

Mixing Height.......800-1200 ft agl. 

Transport Winds.....Southwest 15-20 mph. 

Ventilation.........Good to fair. 

Haines Index........3. 



.SUNDAY...



Sky/Weather.........Mostly cloudy then becoming partly cloudy. 

                    Slight chance of snow showers in the morning. 

Temperature.........Max 45-47. 

RH..................Min 50-55%. 

20-Foot Winds.......Southwest 3-7 mph becoming west 7-10 mph in the 

                    late morning and afternoon. 

LAL.................1. 

Chc Wetting Rain....5%. 

Mixing Height.......5500-6000 ft agl. 

Transport Winds.....West 15-20 mph. 

Ventilation.........Fair to very good. 

Haines Index........3. 



$$

Forecaster...Whitlam

Requested by...Roman Rodriguez

Type of request...PRESCRIBED

.TAG 2412804.3/REV

.DELDT 05/03/24

.FormatterVersion 2.0.0

.EMAIL roman.rodriguez@usda.gov