598  
FNUS55 KVEF 171146  
FWFVEF  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEVADA  
NORTHWEST ARIZONA AND SOUTHEAST CALIFORNIA  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
346 AM PST SUN DEC 17 2017  
   
DISCUSSION
 
GUSTY NORTHERLY WINDS WILL PERSIST MUCH OF TODAY AS A  
BAND OF CLOUDS GRADUALLY DISSIPATES. HIGH PRESSURE WILL BRING DRY  
CONDITIONS AND A WARMING TREND MONDAY AND TUESDAY WITH LIGHTER  
WINDS. ANOTHER COLD FRONT WILL BRING A CHANCE OF SHOWERS TO AREAS  
NORTH AND EAST OF LAS VEGAS WEDNESDAY AND WEDNESDAY NIGHT. WARM  
TEMPERATURES AND SOUTHWESTERLY BREEZES WILL PRECEDE THE FRONT  
WEDNESDAY WITH MUCH COOLER TEMPERATURES AND STRONG NORTH WINDS  
BEHIND THE FRONT WEDNESDAY NIGHT THROUGH THURSDAY NIGHT.  
 
NOTE: THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS.  
 
NOTE: PLEASE SEE OPERATING PLAN FOR DETAILED ZONE DESCRIPTIONS AT:  
HTTP://WWW.WRH.NOAA.GOV/VEF/FIRE.PHP  
 
AZZ101-CAZ229-NVZ466-180130-  
LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-LOWER COLORADO RIVER VALLEY-  
LAKE MEAD NRA/COLORADO RIVER-NV SIDE-  
346 AM PST SUN DEC 17 2017 /446 AM MST SUN DEC 17 2017/  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....62-67.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* VALLEY FLOOR....18-26 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 8 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....NORTH WIND 10 TO 15 MPH WITH GUSTS TO AROUND 35  
MPH.  
* 10000 FT MSL....EAST 10 TO 15 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2.  
* MIXING HEIGHT.......3400 FT AGL.  
* TRANSPORT WINDS.....NORTH 20 TO 25 KNOTS.  
* VENTILATION.........GOOD.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE:  
* VALLEY FLOOR....35-40.  
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.  
* MAX HUMIDITY:  
* VALLEY FLOOR....38-43 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 2 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....NORTH WIND 10 TO 15 MPH.  
* 10000 FT MSL....NORTHEAST 10 TO 15 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
MONDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....63-68.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* VALLEY FLOOR....14-20 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 5 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....NORTH WIND UP TO 10 MPH.  
* 10000 FT MSL....NORTH 10 TO 15 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
* MIXING HEIGHT.......3300 FT AGL.  
* TRANSPORT WINDS.....NORTH 10 TO 15 KNOTS.  
* VENTILATION.........GOOD.  
   
EXTENDED
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 40S. HIGHS IN THE  
MID 60S TO LOWER 70S. LIGHT WIND.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 40S. HIGHS IN  
THE MID 60S TO LOWER 70S. SOUTH WIND UP TO 10 MPH.    
THURSDAY
 
COOLER. PARTLY CLOUDY WITH ISOLATED SHOWERS. LOWS IN THE  
LOWER TO MID 40S. HIGHS IN THE MID TO UPPER 50S. NORTH WIND 15 TO  
25 MPH.  
 

 
 
AZZ102-180130-  
NORTHWEST DESERTS/NORTHWEST PLATEAU-  
446 AM MST SUN DEC 17 2017  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE:  
* 3000 FEET.......59-64.  
* 6000 FEET.......44-49.  
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.  
* MIN HUMIDITY:  
* 3000 FEET.......22-28 PERCENT.  
* 6000 FEET.......26-34 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 10 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25  
MPH.  
* UPPER SLOPES....NORTHEAST WINDS UP TO 10 MPH.  
* 10000 FT MSL....SOUTHEAST 10 TO 15 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......7800 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST AROUND 10 KNOTS.  
* VENTILATION.........FAIR.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE:  
* 3000 FEET.......29-34.  
* 6000 FEET.......18-23.  
* 24 HR TREND.....ON AVERAGE DOWN 4 DEGREES.  
* MAX HUMIDITY:  
* 3000 FEET.......45-50 PERCENT.  
* 6000 FEET.......56-61 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 2 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTHEAST WINDS 10 TO 15 MPH.  
* UPPER SLOPES....NORTHEAST WINDS UP TO 10 MPH IN THE EVENING  
BECOMING DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.  
* 10000 FT MSL....EAST 10 TO 15 MPH BECOMING NORTHEAST AFTER  
MIDNIGHT.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
MONDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* 3000 FEET.......60-65.  
* 6000 FEET.......46-51.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* 3000 FEET.......17-22 PERCENT.  
* 6000 FEET.......21-26 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 5 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTHWEST WINDS UP TO 10 MPH.  
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH.  
* 10000 FT MSL....NORTH 10 TO 15 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......5100 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST AROUND 10 KNOTS IN THE MORNING  
BECOMING LIGHT.  
* VENTILATION.........FAIR.  
   
EXTENDED
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S TO LOWER 30S. HIGHS  
IN THE UPPER 50S TO MID 60S. LIGHT WIND.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 30S. HIGHS IN  
THE UPPER 50S TO LOWER 60S. SOUTH WINDS 10 TO 15 MPH.    
THURSDAY
 
COOLER. PARTLY CLOUDY WITH ISOLATED SHOWERS AND SNOW  
SHOWERS. LOWS IN THE MID 20S TO LOWER 30S. HIGHS IN THE MID TO  
UPPER 40S. NORTH WIND 10 TO 20 MPH.  
 

 
 
NVZ465-180130-  
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-  
346 AM PST SUN DEC 17 2017  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE:  
* 4000 FEET.......56-61.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* 4000 FEET.......20-26 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 6 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30  
MPH.  
* 10000 FT MSL....EAST 10 TO 15 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2.  
* MIXING HEIGHT.......5500 FT AGL.  
* TRANSPORT WINDS.....NORTH 10 TO 15 KNOTS.  
* VENTILATION.........GOOD.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE:  
* 4000 FEET.......25-30.  
* 24 HR TREND.....ON AVERAGE DOWN 4 DEGREES.  
* MAX HUMIDITY:  
* 4000 FEET.......43-48 PERCENT.  
* 24 HR TREND.....LITTLE CHANGE.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTHWEST WINDS UP TO 10 MPH.  
* 10000 FT MSL....NORTHEAST 10 TO 15 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
   
MONDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* 4000 FEET.......56-61.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* 4000 FEET.......15-20 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 5 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH WINDS UP TO 10 MPH IN THE MORNING BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH.  
* 10000 FT MSL....NORTH 10 TO 15 MPH INCREASING TO 15 TO 20 MPH IN  
THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......3400 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 10 KNOTS IN THE MORNING BECOMING  
LIGHT.  
* VENTILATION.........FAIR.  
   
EXTENDED
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 20S TO LOWER 30S. HIGHS IN  
THE MID 50S TO LOWER 60S. LIGHT WIND.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 20S TO LOWER 30S. HIGHS  
IN THE MID 50S TO LOWER 60S. SOUTH WINDS UP TO 10 MPH.    
THURSDAY
 
COOLER. PARTLY CLOUDY WITH ISOLATED SHOWERS. LOWS IN THE MID  
TO UPPER 20S. HIGHS IN THE 40S. NORTH WIND 15 TO 25 MPH.  
 

 
 
NVZ463-464-180130-  
SHEEP RANGE-SPRING MOUNTAINS-  
346 AM PST SUN DEC 17 2017  
   
TODAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* 7000 FEET.......41-46.  
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.  
* MIN HUMIDITY:  
* 7000 FEET.......32-38 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 15 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* UPPER SLOPES....NORTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30  
MPH.  
* 10000 FT MSL....EAST 10 TO 15 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2.  
* MIXING HEIGHT.......4100 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST AROUND 10 KNOTS.  
* VENTILATION.........FAIR.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE:  
* 7000 FEET.......17-22.  
* 24 HR TREND.....ON AVERAGE UP 2 DEGREES.  
* MAX HUMIDITY:  
* 7000 FEET.......48-53 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 11 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* UPPER SLOPES....NORTH WINDS 10 MPH.  
* 10000 FT MSL....NORTHEAST 10 TO 15 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
   
MONDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* 7000 FEET.......45-50.  
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.  
* MIN HUMIDITY:  
* 7000 FEET.......20-23 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 11 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* UPPER SLOPES....NORTH WINDS 10 MPH.  
* 10000 FT MSL....NORTH 15 TO 20 MPH INCREASING TO 20 TO 25 MPH IN  
THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2.  
* MIXING HEIGHT.......2800 FT AGL.  
* TRANSPORT WINDS.....NORTH 10 TO 15 KNOTS.  
* VENTILATION.........FAIR.  
   
EXTENDED
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 20S TO LOWER 30S. HIGHS IN  
THE UPPER 40S TO LOWER 50S. SOUTH WINDS 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 20S TO LOWER 30S.  
HIGHS IN THE MID 40S TO LOWER 50S. SOUTH WINDS 10 TO 15 MPH.    
THURSDAY
 
COLDER. PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 17 TO  
22. HIGHS IN THE LOWER TO MID 30S. NORTH WIND 15 TO 25 MPH.  
 

 
 
NVZ461-180130-  
LINCOLN COUNTY/ELY DISPATCH-  
346 AM PST SUN DEC 17 2017  
   
TODAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* 4000 FEET.......53-58.  
* 7000 FEET.......37-42.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* 4000 FEET.......23-28 PERCENT.  
* 7000 FEET.......33-43 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 10 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTHEAST WIND 10 TO 15 MPH WITH GUSTS TO 25  
MPH.  
* UPPER SLOPES....NORTHEAST WIND 10 TO 20 MPH WITH GUSTS TO  
AROUND 30 MPH.  
* 10000 FT MSL....EAST 10 TO 15 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2.  
* MIXING HEIGHT.......4100 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST 15 TO 25 KNOTS DECREASING TO 10 TO  
15 KNOTS IN THE AFTERNOON.  
* VENTILATION.........GOOD.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE:  
* 4000 FEET.......26-31.  
* 7000 FEET.......11-16.  
* 24 HR TREND.....LITTLE CHANGE.  
* MAX HUMIDITY:  
* 4000 FEET.......45-50 PERCENT.  
* 7000 FEET.......62-67 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 2 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH WIND 10 TO 15 MPH.  
* UPPER SLOPES....NORTHEAST WIND UP TO 10 MPH.  
* 10000 FT MSL....NORTHEAST 10 TO 15 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
   
MONDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE:  
* 4000 FEET.......55-60.  
* 7000 FEET.......44-49.  
* 24 HR TREND.....ON AVERAGE UP 2 DEGREES.  
* MIN HUMIDITY:  
* 4000 FEET.......17-20 PERCENT.  
* 7000 FEET.......21-29 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 10 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH WIND UP TO 10 MPH IN THE MORNING BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH.  
* UPPER SLOPES....NORTH WIND UP TO 10 MPH.  
* 10000 FT MSL....NORTH 15 TO 20 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2.  
* MIXING HEIGHT.......3400 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST AROUND 10 KNOTS IN THE MORNING  
BECOMING LIGHT.  
* VENTILATION.........FAIR.  
   
EXTENDED
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 20S. HIGHS IN THE  
MID 50S TO LOWER 60S. LIGHT WIND.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS IN THE MID  
TO UPPER 20S. HIGHS IN THE 50S. SOUTH WIND 10 TO 15 MPH.    
THURSDAY
 
COLDER. PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS  
13 TO 18. HIGHS IN THE LOWER TO MID 40S. NORTH WIND 15 TO 25 MPH.  
 

 
 
NVZ462-180130-  
NYE COUNTY DESERTS/LAS VEGAS DISPATCH-  
346 AM PST SUN DEC 17 2017  
   
TODAY
 
 
* SKY/WEATHER.........SUNNY. AREAS OF BLOWING DUST.  
* MAX TEMPERATURE:  
* 4000 FEET.......54-59.  
* 7000 FEET.......37-42.  
* 24 HR TREND.....ON AVERAGE DOWN 3 DEGREES.  
* MIN HUMIDITY:  
* 4000 FEET.......17-23 PERCENT.  
* 7000 FEET.......26-32 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 6 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH WIND 15 TO 25 MPH WITH GUSTS TO 40 MPH.  
* UPPER SLOPES....NORTH WIND 15 TO 25 MPH WITH GUSTS TO 40 MPH.  
 
* 10000 FT MSL....NORTHEAST 10 TO 15 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
* MIXING HEIGHT.......4300 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST 10 TO 20 KNOTS.  
* VENTILATION.........GOOD.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE:  
* 4000 FEET.......20-25.  
* 7000 FEET.......16-21.  
* 24 HR TREND.....LITTLE CHANGE.  
* MAX HUMIDITY:  
* 4000 FEET.......41-46 PERCENT.  
* 7000 FEET.......51-56 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 3 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH WIND 10 TO 15 MPH.  
* UPPER SLOPES....NORTH WIND 10 TO 15 MPH.  
* 10000 FT MSL....NORTHEAST AROUND 10 MPH INCREASING TO NORTH 15 TO  
20 MPH AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
   
MONDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* 4000 FEET.......56-61.  
* 7000 FEET.......43-48.  
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.  
* MIN HUMIDITY:  
* 4000 FEET.......15-18 PERCENT.  
* 7000 FEET.......22-26 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 5 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTHEAST WIND AROUND 10 MPH IN THE MORNING  
BECOMING UPSLOPE/UPVALLEY 4 TO 8 MPH.  
* UPPER SLOPES....NORTH WIND UP TO 10 MPH.  
* 10000 FT MSL....NORTH 15 TO 25 MPH BECOMING 15 TO 20 MPH IN THE  
AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2.  
* MIXING HEIGHT.......3000 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST 10 TO 15 KNOTS DECREASING TO AROUND  
10 KNOTS IN THE AFTERNOON.  
* VENTILATION.........FAIR.  
   
EXTENDED
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 20S. HIGHS IN THE  
UPPER 50S TO LOWER 60S. SOUTH WIND UP TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE 20S. HIGHS IN THE 50S.  
SOUTHWEST WIND 10 TO 15 MPH.    
THURSDAY
 
COOLER. MOSTLY CLEAR. LOWS 16 TO 21. HIGHS IN THE 40S.  
NORTH WIND 15 TO 25 MPH.  
 

 
 
NVZ460-180130-  
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-  
346 AM PST SUN DEC 17 2017  
   
TODAY
 
 
* SKY/WEATHER.........SUNNY. AREAS OF BLOWING DUST.  
* MAX TEMPERATURE:  
* 4000 FEET.......48-53.  
* 7000 FEET.......36-41.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* 4000 FEET.......20-23 PERCENT.  
* 7000 FEET.......21-30 PERCENT.  
* 24 HR TREND.....LITTLE CHANGE.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH WIND 15 TO 25 MPH WITH GUSTS TO 40 MPH.  
* UPPER SLOPES....NORTH WIND 15 TO 25 MPH WITH GUSTS TO 40 MPH.  
 
* 10000 FT MSL....NORTHEAST 20 TO 30 MPH DECREASING TO 15 TO 25 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
* MIXING HEIGHT.......4100 FT AGL.  
* TRANSPORT WINDS.....NORTH 15 TO 20 KNOTS.  
* VENTILATION.........GOOD.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE:  
* 4000 FEET.......16-21.  
* 7000 FEET.......18-23.  
* 24 HR TREND.....LITTLE CHANGE.  
* MAX HUMIDITY:  
* 4000 FEET.......48-53 PERCENT.  
* 7000 FEET.......47-52 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 8 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH WIND UP TO 10 MPH.  
* UPPER SLOPES....NORTH WIND UP TO 10 MPH.  
* 10000 FT MSL....NORTHEAST 15 TO 20 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
   
MONDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE:  
* 4000 FEET.......54-59.  
* 7000 FEET.......45-50.  
* 24 HR TREND.....ON AVERAGE UP 7 DEGREES.  
* MIN HUMIDITY:  
* 4000 FEET.......17-20 PERCENT.  
* 7000 FEET.......19-27 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 3 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH WIND UP TO 10 MPH IN THE MORNING BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH.  
* UPPER SLOPES....NORTH WIND UP TO 10 MPH.  
* 10000 FT MSL....NORTH 15 TO 25 MPH BECOMING 15 TO 20 MPH IN THE  
AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
* MIXING HEIGHT.......3300 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 10 KNOTS IN THE MORNING BECOMING  
LIGHT.  
* VENTILATION.........MARGINAL.  
   
EXTENDED
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 20S. HIGHS IN THE  
UPPER 50S TO LOWER 60S. SOUTH WIND UP TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS AND SNOW SHOWERS. LOWS  
IN THE 20S. HIGHS IN THE 50S. SOUTHWEST WIND UP TO 10 MPH.    
THURSDAY
 
COLDER. PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 14 TO  
19. HIGHS IN THE 40S. NORTH WIND 15 TO 25 MPH.  
 

 
 
CAZ226-180130-  
OWENS VALLEY/SOUTHERN INYO FOREST-  
346 AM PST SUN DEC 17 2017  
   
TODAY
 
 
* SKY/WEATHER.........SUNNY. AREAS OF BLOWING DUST.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....55-60.  
* 7000 FEET.......42-47.  
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.  
* MIN HUMIDITY:  
* VALLEY FLOOR....10-15 PERCENT.  
* 7000 FEET.......10-19 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 3 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH WINDS 15 TO 25 MPH WITH GUSTS TO AROUND  
40 MPH.  
* UPPER SLOPES....NORTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
40 MPH.  
* 10000 FT MSL....NORTHEAST 20 TO 30 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE:  
* VALLEY FLOOR....27-32.  
* 7000 FEET.......15-20.  
* 24 HR TREND.....ON AVERAGE UP 6 DEGREES.  
* MAX HUMIDITY:  
* VALLEY FLOOR....36-41 PERCENT.  
* 7000 FEET.......51-56 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 2 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH WINDS UP TO 10 MPH.  
* UPPER SLOPES....NORTHWEST WINDS 10 TO 15 MPH.  
* 10000 FT MSL....NORTH 15 TO 25 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
   
MONDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....57-62.  
* 7000 FEET.......50-55.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* VALLEY FLOOR....10-17 PERCENT.  
* 7000 FEET.......15-25 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 2 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH.  
* UPPER SLOPES....NORTH WINDS UP TO 10 MPH IN THE MORNING BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH.  
* 10000 FT MSL....NORTH 15 TO 25 MPH DECREASING TO 10 TO 20 MPH IN  
THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
EXTENDED
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S TO LOWER 30S. HIGHS  
IN THE LOWER TO MID 60S. SOUTH WINDS UP TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS AND SNOW SHOWERS. LOWS  
IN THE UPPER 20S TO MID 30S. HIGHS IN THE UPPER 50S TO LOWER 60S.  
WEST WINDS UP TO 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS IN THE 20S.  
HIGHS IN THE UPPER 40S TO LOWER 50S. NORTH WIND 15 TO 25 MPH.  
 

 
 
CAZ227-180130-  
DEATH VALLEY NATIONAL PARK-  
346 AM PST SUN DEC 17 2017  
   
TODAY
 
 
* SKY/WEATHER.........SUNNY. AREAS OF BLOWING DUST.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....63-68.  
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.  
* MIN HUMIDITY:  
* VALLEY FLOOR....10-19 PERCENT.  
* 24 HR TREND.....LITTLE CHANGE.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....NORTH WIND 15 TO 25 MPH. GUSTS TO 40 MPH.  
* 10000 FT MSL....NORTHEAST 15 TO 25 MPH DECREASING TO 10 TO 15 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE:  
* VALLEY FLOOR....26-31.  
* 24 HR TREND.....ON AVERAGE DOWN 5 DEGREES.  
* MAX HUMIDITY:  
* VALLEY FLOOR....31-36 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 2 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....NORTH WIND UP TO 10 MPH.  
* 10000 FT MSL....NORTHEAST 10 TO 15 MPH INCREASING TO NORTH 15 TO  
25 MPH AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
   
MONDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....65-70.  
* 24 HR TREND.....ON AVERAGE UP 2 DEGREES.  
* MIN HUMIDITY:  
* VALLEY FLOOR....10-16 PERCENT.  
* 24 HR TREND.....LITTLE CHANGE.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....UPSLOPE/UPVALLEY 4 TO 8 MPH.  
* 10000 FT MSL....NORTH 15 TO 25 MPH BECOMING 15 TO 20 MPH IN THE  
AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
EXTENDED
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S TO LOWER 40S. HIGHS  
IN THE UPPER 60S TO MID 70S. LIGHT WIND.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER TO MID 40S. HIGHS IN  
THE LOWER TO MID 70S. SOUTH WIND UP TO 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S TO LOWER 40S. HIGHS  
IN THE UPPER 50S TO LOWER 60S. NORTH WIND 15 TO 25 MPH.  
 

 
 
CAZ228-180130-  
MOJAVE DESERT INCLUDING MORONGO VALLEY/YUCCA VALLEY-  
346 AM PST SUN DEC 17 2017  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF BLOWING DUST.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....60-65.  
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.  
* MIN HUMIDITY:  
* VALLEY FLOOR....15-23 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 5 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....NORTH WIND 10 TO 15 MPH. LOCAL GUSTS TO 35  
MPH.  
* 10000 FT MSL....NORTHEAST 10 TO 15 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE:  
* VALLEY FLOOR....27-32.  
* 24 HR TREND.....ON AVERAGE DOWN 5 DEGREES.  
* MAX HUMIDITY:  
* VALLEY FLOOR....35-40 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 5 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....NORTH WIND UP TO 10 MPH.  
* 10000 FT MSL....NORTHEAST 10 TO 15 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
   
MONDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....61-66.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* VALLEY FLOOR....12-15 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 5 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....NORTH WIND UP TO 10 MPH IN THE MORNING BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH.  
* 10000 FT MSL....NORTH 10 TO 15 MPH INCREASING TO 15 TO 25 MPH IN  
THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
   
EXTENDED
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S TO LOWER 30S. HIGHS  
IN THE 60S. LIGHT WIND.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 30S. HIGHS IN  
THE 60S. SOUTHWEST WIND 10 TO 15 MPH.    
THURSDAY
 
COOLER. MOSTLY CLEAR. LOWS IN THE UPPER 20S TO MID 30S.  
HIGHS IN THE 50S. NORTH WIND 10 TO 20 MPH.  
 

 
 
NOTE: MIXING HEIGHT...TRANSPORT WINDS AND VENTILATION CATEGORY FOR  
EACH ZONE ARE BASED ON THE FOLLOWING POINTS:  
 
NEVADA ZONE 466 - LAUGHLIN-BULLHEAD CITY VICINITY  
CALIFORNIA ZONE 229 - LAUGHLIN-BULLHEAD CITY VICINITY  
ARIZONA ZONE 101 - LAUGHLIN-BULLHEAD CITY VICINITY  
ARIZONA ZONE 102 - KINGMAN VICINITY  
NEVADA ZONE 460 - ORIENTAL WASH RAWS VICINITY  
NEVADA ZONE 461 - KANE SPRINGS RAWS VICINITY  
NEVADA ZONE 462 - DESERT ROCK VICINITY  
NEVADA ZONE 463, 464 - KYLE CANYON VICINITY  
NEVADA ZONE 465 - LAS VEGAS VICINITY  
 
HTTP://WEATHER.GOV/LASVEGAS  
 
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