242  
FNUS75 KREV 231309  
FWSREV  
 
SPOT FORECAST FOR LILY LAKE 1011 HT...LTBMU  
NATIONAL WEATHER SERVICE RENO NV  
500 AM PST THU JAN 23 2020  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 PST ON JANUARY 23.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL  
WEATHER SERVICE IN RENO.  
   
DISCUSSION
 
 
A WEAK AREA OF LOW PRESSURE WILL BRING A CHANCE FOR RAIN SHOWERS  
THIS AFTERNOON AND EVENING TO THE BURN SITE. LIMITED MIXING ALONG  
WITH LIGHT WINDS CAN ALSO BE EXPECTED TODAY AND FRIDAY. BY THIS  
WEEKEND, ANOTHER WINTER STORM WILL BRING CHANCES OF RAIN AND SNOW  
ALONG WITH GUSTY WINDS.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF RAIN IN THE AFTERNOON AND EVENING.  
TEMPERATURE.........32 AT IGNITION...MAX 47-49.  
RH..................67% AT IGNITION...MIN 52-57%.  
20-FOOT WINDS.......WINDS SOUTH AT 4 MPH AT IGNITION BECOMING  
SOUTHWEST 3-7 MPH IN THE AFTERNOON.  
LAL.................1.  
CHC WETTING RAIN....5%.  
MIXING HEIGHT.......200-500 FT AGL THEN 900 FT AGL IN THE  
AFTERNOON.  
TRANSPORT WINDS.....LIGHT WINDS.  
VENTILATION.........POOR.  
HAINES INDEX........2.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF RAIN.  
TEMPERATURE.........MIN 29-31.  
RH..................MAX 77-82%.  
20-FOOT WINDS.......SOUTHWEST 5-10 MPH BECOMING SOUTHWEST 10-15 MPH  
WITH OCCASIONAL GUSTS OVER 20 MPH OVERNIGHT.  
LAL.................1.  
CHC WETTING RAIN....5%.  
MIXING HEIGHT.......200-500 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS.  
VENTILATION.........POOR.  
HAINES INDEX........2.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY.  
TEMPERATURE.........MAX 47-49.  
RH..................MIN 50-55%.  
20-FOOT WINDS.......SOUTHWEST WINDS 5-10 MPH.  
LAL.................1.  
CHC WETTING RAIN....0%.  
MIXING HEIGHT.......200-500 FT AGL THEN 1400 FT AGL IN THE  
AFTERNOON.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.  
VENTILATION.........POOR BECOMING MARGINAL IN THE AFTERNOON.  
HAINES INDEX........3.  
 

 
FORECASTER...JOHNSTON/HOON  
REQUESTED BY...TOD FLOWERS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2001025.0/REV  
.DELDT 01/23/20  
.FORMATTERVERSION 1.0.26  
.EMAIL TOD.FLOWERS@USDA.GOV  
 
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