870  
FNUS75 KVEF 201107  
FWSVEF  
 
SPOT FORECAST FOR GEMINI...BIA  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
407 AM PDT SUN MAY 20 2018  
 
FORECAST IS BASED ON REQUEST TIME OF 0600 MST ON MAY 20.  
 
IF CONDITIONS BECOME UNREPRESENTATIVE...OR IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST...PLEASE CONTACT OUR OFFICE AT  
(702) 263-9750.  
   
DISCUSSION
 
AN UPPER LEVEL DISTURBANCE MOVING INTO THE REGION  
WILL INCREASE WINDS THIS AFTERNOON ACROSS THE REGION. WINDS ARE  
FORECAST TO REMAIN LIGHT AND VARIABLE THIS MORNING THEN INCREASE  
OUT OF THE SOUTH AFTER 1300 AND CONTINUE INTO MONDAY NIGHT. THERE  
WILL BE A FEW CLOUDS DEVELOPING THIS AFTERNOON, BUT ANY SHOWER  
ACTIVITY IS EXPECTED TO REMAIN WELL NORTH OF THE BURN AREA.  
THERE WILL BE A SLIGHT CHANCE OF SHOWERS MONDAY AFTERNOON THROUGH  
TUESDAY AS AN AREA OF LOW PRESSURE MOVES ACROSS THE REGION.  
   
TODAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....96-100.  
MIN HUMIDITY........8-12 PERCENT.  
WINDS:  
20 FT WIND........LIGHT WIND THIS MORNING BECOMING SOUTH 10  
TO 20 MPH IN THE AFTERNOON.  
10000 FT WIND.....SOUTH 14 TO 19 MPH.  
CWR (>= 0.10 IN)....0 PERCENT.  
LAL.................1.  
MIXING HEIGHT.......5000 FT AGL INCREASING TO 12000 FT AGL IN THE  
AFTERNOON.  
TRANSPORT WINDS.....SOUTH 10 TO 15 KNOTS.  
HAINES INDEX........5.  
VENTILATION.........EXCELLENT.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....68-72.  
MAX HUMIDITY........32-39 PERCENT.  
WINDS:  
20 FT WIND........SOUTHEAST WINDS 10 TO 15 MPH.  
10000 FT WIND.....SOUTH 13 TO 18 MPH INCREASING TO 24 TO 29 MPH  
AFTER MIDNIGHT.  
CWR (>= 0.10 IN)....0 PERCENT.  
LAL.................1.  
MIXING HEIGHT.......3000 FT AGL DECREASING TO 1000 FT AGL AFTER  
MIDNIGHT.  
TRANSPORT WINDS.....SOUTH AROUND 10 KNOTS IN THE EVENING BECOMING  
LIGHT.  
HAINES INDEX........4.  
VENTILATION.........EXCELLENT DECREASING TO POOR AFTER MIDNIGHT.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....89-94.  
MIN HUMIDITY........11-13 PERCENT.  
WINDS:  
20 FT WIND........SOUTH WINDS 10 TO 15 MPH.  
10000 FT WIND.....SOUTH 26 TO 33 MPH.  
CWR (>= 0.10 IN)....0 PERCENT.  
LAL.................1.  
MIXING HEIGHT.......5000 FT AGL INCREASING TO 13000 FT AGL IN THE  
AFTERNOON.  
TRANSPORT WINDS.....SOUTH 15 TO 20 KNOTS.  
HAINES INDEX........3.  
VENTILATION.........EXCELLENT.  
 

 
FORECASTER...GORELOW  
REQUESTED BY...TY GILSTRAP IC-T  
TYPE OF REQUEST...WILDFIRE  
.TAG 1810331.0/VEF  
.EMAIL PRESCOTT.DISPATCH@GMAIL.COM  
 
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