504  
FNUS75 KVEF 201142  
FWSVEF  
 
SPOT FORECAST FOR LOWER TWIN LAKES...CAL FIRE  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
342 AM PST WED FEB 20 2019  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 PST ON FEBRUARY 20.  
 
IF CONDITIONS BECOME UNREPRESENTATIVE...OR IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST...PLEASE CONTACT OUR OFFICE AT  
(702) 263-9750.  
   
DISCUSSION
 
THE NEXT WINTER STORM WILL BRING INCREASING SNOW  
CHANCES TO THE FIRE SITE THIS AFTERNOON, WITH CHANCES PEAKING  
OVERNIGHT AND TAPERING OFF THURSDAY AFTERNOON.  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. SNOW SHOWERS LIKELY IN THE  
AFTERNOON.  
MAX TEMPERATURE.....39-44.  
MIN HUMIDITY........31-33 PERCENT.  
WINDS:  
20 FT WIND........NORTH WINDS 10 TO 15 MPH.  
10000 FT WIND.....WEST 20 TO 25 MPH BECOMING NORTHWEST 12 TO 17  
MPH IN THE AFTERNOON.  
CWR (>= 0.10 IN)....0 PERCENT.  
LAL.................1.  
MIXING HEIGHT.......2000 FT AGL INCREASING TO 7000 FT AGL IN THE  
AFTERNOON.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 KNOTS.  
HAINES INDEX........3.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SNOW SHOWERS LIKELY.  
MIN TEMPERATURE.....26-31.  
MAX HUMIDITY........78-83 PERCENT.  
WINDS:  
20 FT WIND........NORTH WINDS 10 TO 15 MPH.  
10000 FT WIND.....NORTHWEST 12 TO 17 MPH INCREASING TO NORTH 29  
TO 35 MPH OVERNIGHT.  
CWR (>= 0.10 IN)....15 PERCENT.  
LAL.................1.  
MIXING HEIGHT.......4000-5000 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 10 KNOTS INCREASING TO NORTHWEST  
AROUND 20 KNOTS OVERNIGHT.  
HAINES INDEX........3.  
   
THURSDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY. SCATTERED SNOW SHOWERS.  
MAX TEMPERATURE.....29-34.  
MIN HUMIDITY........35-37 PERCENT.  
WINDS:  
20 FT WIND........NORTH WINDS 15 TO 20 MPH WITH GUSTS TO AROUND  
24 MPH.  
10000 FT WIND.....NORTH 31 TO 37 MPH.  
CWR (>= 0.10 IN)....5 PERCENT.  
LAL.................1.  
MIXING HEIGHT.......5000 FT AGL INCREASING TO 7000 FT AGL IN THE  
AFTERNOON.  
TRANSPORT WINDS.....NORTH 20 TO 25 KNOTS.  
HAINES INDEX........3.  
 

 
FORECASTER...MORGAN  
REQUESTED BY...FC MONTELONGO  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1901704.0/VEF  
.EMAIL ANDY.MONTELONGO@FIRE.CA.GOV  
 
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