307
FNUS76 KSTO 030453
FWSSTO

Spot Forecast for China Ridge RX...USFS
National Weather Service Sacramento CA
953 PM PDT Thu May 2 2024

Forecast is based on ignition time of 0900 PDT on May 03.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Dry and warm weather through Friday before a storm system brings
cooler temperatures, gusty south winds, and rain showers over the weekend.
On Friday, downslope winds around 5 mph in the morning before shifting
to upslope in the afternoon 5 to 10 mph. Humidities stay above 35% with an
increasing trend heading into the weekend. Overnight into Saturday,
winds shift to the southwest and increase to 10-15 mph with gusts
up to 20 mph. Precipitation arrives early Saturday morning as a storm
system brings a 50 to 60% chance of 1.00" or more of rain to the site.
Additionally, there is a 10 to 15% chance of isolated afternoon/evening
thunderstorms. Dry weather returns early next week along with gradually
increasing temperatures.

.FRIDAY...

Sky/weather.........Sunny.
Max temperature.....65-70.
Min humidity........37-41 percent.
Wind (20 ft)........
 Slope/valley.......West winds 5 to 10 mph with gusts up to 15 mph.
 Ridgetop...........West around 10 mph.
Mixing height.......Increasing to 4600 ft AGL.
Transport winds.....West around 10 mph.
CWR.................0 percent.
LAL.................1.

.FRIDAY NIGHT...

Sky/weather.........Clear then becoming partly cloudy.
Min temperature.....46-50.
Max humidity........84-89 percent.
Wind (20 ft)........
 Slope/valley.......Northwest winds 5 to 10 mph shifting to the east
                    up to 5 mph overnight.
 Ridgetop...........North around 6 mph.
Mixing height.......Decreasing to 200 ft AGL.
Transport winds.....North around 6 mph.
CWR.................0 percent.
LAL.................1.

.SATURDAY...

Sky/weather.........Cloudy. Chance of rain showers in the morning,
                    then rain showers in the afternoon.
Max temperature.....52-56.
Min humidity........74-78 percent.
Wind (20 ft)........
 Slope/valley.......Southeast winds 3 to 6 mph shifting to the
                    southwest 10 to 15 mph in the afternoon with gusts
up to 20 mph.
 Ridgetop...........South around 15 mph.
Mixing height.......Increasing to 2800 ft AGL.
Transport winds.....South around 15 mph.
CWR.................84 percent.
LAL.................1.

$$
Forecaster...KF
Requested by...David Reynolds
Type of request...PRESCRIBED
.TAG 2413024.0/STO
.DELDT 05/03/24
.FormatterVersion 2.0.0
.EMAIL bradley.walker@usda.gov,patrick.green@usda.gov,david.reynolds@usda.gov