406  
FNUS75 KREV 251334  
FWSREV  
 
SPOT FORECAST FOR LILY LAKE 1011...LTBMU  
NATIONAL WEATHER SERVICE RENO NV  
533 AM PST SAT JAN 25 2020  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 PST ON JANUARY 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL  
WEATHER SERVICE IN RENO.  
   
DISCUSSION
 
 
EXPECT LIGHT WINDS, MILD TEMPERATURES, AND LIMITED VENTILATION  
TODAY. A WEATHER SYSTEM WILL BEGIN TO MOVE INTO THE SIERRA THIS  
EVENING, WHICH WILL BRING RAIN TONIGHT AND LIGHT SNOW SUNDAY  
MORNING. WINDS INCREASE THIS EVENING, BECOMING STRONG ALONG  
RIDGES AND BREEZY IN THE VALLEY OVERNIGHT. A WEAKER STORM IS  
POSSIBLE EARLY THIS COMING WEEK.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY.  
TEMPERATURE.........32 AT IGNITION...MAX 48-50.  
RH..................80% AT IGNITION...MIN 49-54%.  
20-FOOT WINDS.......WINDS SOUTH AT 6 MPH AT IGNITION BECOMING  
SOUTHWEST 5-10 MPH BY AFTERNOON.  
LAL.................1.  
CHC WETTING RAIN....0%.  
MIXING HEIGHT.......200-500 FT AGL THEN 800 FT AGL IN THE  
AFTERNOON.  
TRANSPORT WINDS.....LIGHT WINDS.  
VENTILATION.........POOR.  
HAINES INDEX........2.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........SLIGHT CHANCE OF RAIN IN THE EVENING. RAIN  
LIKELY OVERNIGHT.  
TEMPERATURE.........MIN 32-34.  
RH..................MAX 95-100%.  
20-FOOT WINDS.......SOUTHWEST 5-10 MPH INCREASING TO 15-20 MPH  
WITH GUSTS UP TO 35 MPH.  
LAL.................1.  
CHC WETTING RAIN....10% INCREASING TO 75% OVERNIGHT.  
MIXING HEIGHT.......200-500 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTHWEST AROUND 15 MPH  
OVERNIGHT.  
VENTILATION.........POOR.  
HAINES INDEX........2.  
   
SUNDAY
 
 
SKY/WEATHER.........RAIN TRANSITIONING TO SNOW EARLY. SLIGHT CHANCE  
OF SNOW IN THE AFTERNOON.  
TEMPERATURE.........MAX 41-43.  
RH..................MIN 55-60%.  
20-FOOT WINDS.......SOUTHWEST WINDS 13-18 MPH WITH GUSTS AS HIGH AS  
30 MPH POSSIBLE.  
LAL.................1.  
CHC WETTING RAIN....75% DECREASING TO 15% IN THE AFTERNOON.  
MIXING HEIGHT.......200-500 FT AGL THEN 2000 FT AGL IN THE  
AFTERNOON.  
TRANSPORT WINDS.....WEST 15-20 MPH.  
VENTILATION.........POOR BECOMING GOOD IN THE AFTERNOON.  
HAINES INDEX........2.  
 

 
FORECASTER...JOHNSTON/MITTELSTADT  
REQUESTED BY...TOD FLOWERS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2001089.0/REV  
.DELDT 01/25/20  
.FORMATTERVERSION 1.0.26  
.EMAIL TOD.FLOWERS@USDA.GOV  
 
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