943  
FNUS55 KVEF 211045  
FWFVEF  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEVADA  
NORTHWEST ARIZONA AND SOUTHEAST CALIFORNIA  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
345 AM PDT THU SEP 21 2017  
   
DISCUSSION
 
GUSTY WINDS WILL OCCUR OVER MUCH OF THE REGION TODAY  
WITH THE STRONGEST WINDS OVER LINCOLN, CLARK, MOHAVE, AND MUCH OF  
SAN BERNARDINO COUNTIES. MINIMUM HUMIDITY VALUES WILL GENERALLY BE  
IN THE TEENS TO LOWER 20S, BUT WITH HIGHER FUEL MOISTURE RED FLAG  
CONDITIONS ARE NOT LIKELY TO BE MET. SHOWERS AND ISOLATED  
THUNDERSTORMS WILL DEVELOP ALONG A COLD FRONT THAT WILL PUSH THROUGH  
ESMERALDA, CENTRAL NYE, AND LINCOLN COUNTIES LATE THIS MORNING AND  
AFTERNOON.  
 
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-NVZ466-212315-  
LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-LOWER COLORADO RIVER VALLEY-  
LAKE MEAD NRA/COLORADO RIVER-NV SIDE-  
345 AM PDT THU SEP 21 2017 /345 AM MST THU SEP 21 2017/  
   
TODAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....89-94.  
* 24 HR TREND.....ON AVERAGE DOWN 3 DEGREES.  
* MIN HUMIDITY:  
* VALLEY FLOOR....13-19 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 2 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....SOUTH WIND 10 TO 20 MPH WITH GUSTS TO AROUND 35  
MPH.  
* 10000 FT MSL....SOUTHWEST 30 TO 40 MPH INCREASING TO 40 TO 50 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
* MIXING HEIGHT.......11200 FT AGL.  
* TRANSPORT WINDS.....SOUTH 10 TO 15 KNOTS INCREASING TO 20 TO 30  
KNOTS IN THE AFTERNOON.  
* VENTILATION.........EXCELLENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE:  
* VALLEY FLOOR....55-60.  
* 24 HR TREND.....ON AVERAGE DOWN 12 DEGREES.  
* MAX HUMIDITY:  
* VALLEY FLOOR....41-46 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 3 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....SOUTHWEST WIND 10 TO 15 MPH IN THE EVENING  
BECOMING DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.  
* 10000 FT MSL....SOUTHWEST 35 TO 45 MPH.  
* CWR (>= 0.10 IN)....5 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
   
FRIDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....82-87.  
* 24 HR TREND.....ON AVERAGE DOWN 7 DEGREES.  
* MIN HUMIDITY:  
* VALLEY FLOOR....7-13 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 6 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....UPSLOPE/UPVALLEY 4 TO 8 MPH.  
* 10000 FT MSL....SOUTHWEST 20 TO 30 MPH DECREASING TO 15 TO 25 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
* MIXING HEIGHT.......9600 FT AGL.  
* TRANSPORT WINDS.....LIGHT WINDS.  
* VENTILATION.........GOOD.  
   
EXTENDED
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S TO LOWER 60S. HIGHS  
IN THE MID TO UPPER 80S. NORTH WIND UP TO 10 MPH.    
SUNDAY
 
CLEAR. LOWS IN THE MID 50S TO LOWER 60S. HIGHS IN THE MID  
TO UPPER 80S. NORTH WIND 10 TO 15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S TO LOWER 60S. HIGHS  
IN THE UPPER 80S TO LOWER 90S. NORTH WIND 10 TO 15 MPH.  
 

 
 
AZZ102-212315-  
NORTHWEST DESERTS/NORTHWEST PLATEAU-  
345 AM MST THU SEP 21 2017  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE:  
* 3000 FEET.......83-88.  
* 6000 FEET.......70-75.  
* 24 HR TREND.....ON AVERAGE DOWN 4 DEGREES.  
* MIN HUMIDITY:  
* 3000 FEET.......16-22 PERCENT.  
* 6000 FEET.......22-32 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 3 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....SOUTH WINDS 10 TO 15 MPH INCREASING TO 15 TO 25  
MPH IN THE AFTERNOON. GUSTS UP TO 45 MPH.  
* UPPER SLOPES....SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND  
45 MPH.  
* 10000 FT MSL....SOUTHWEST 35 TO 45 MPH INCREASING TO 40 TO 50 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
* MIXING HEIGHT.......8400 FT AGL.  
* TRANSPORT WINDS.....SOUTH 20 TO 30 KNOTS.  
* VENTILATION.........EXCELLENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY WITH ISOLATED SHOWERS.  
* MIN TEMPERATURE:  
* 3000 FEET.......48-53.  
* 6000 FEET.......36-41.  
* 24 HR TREND.....ON AVERAGE DOWN 12 DEGREES.  
* MAX HUMIDITY:  
* 3000 FEET.......54-59 PERCENT.  
* 6000 FEET.......70-75 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 11 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....SOUTHWEST WINDS 10 TO 15 MPH IN THE EVENING  
BECOMING DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.  
* UPPER SLOPES....SOUTHWEST WINDS 10 TO 15 MPH DECREASING TO AROUND  
10 MPH AFTER MIDNIGHT.  
* 10000 FT MSL....SOUTHWEST 35 TO 45 MPH INCREASING TO 40 TO 50 MPH  
AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....5 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE:  
* 3000 FEET.......77-82.  
* 6000 FEET.......63-68.  
* 24 HR TREND.....ON AVERAGE DOWN 8 DEGREES.  
* MIN HUMIDITY:  
* 3000 FEET.......9-15 PERCENT.  
* 6000 FEET.......14-22 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 7 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTHWEST UP  
TO 10 MPH IN THE AFTERNOON.  
* UPPER SLOPES....SOUTHWEST WINDS UP TO 10 MPH.  
* 10000 FT MSL....SOUTHWEST 25 TO 35 MPH DECREASING TO 15 TO 25 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
* MIXING HEIGHT.......7600 FT AGL.  
* TRANSPORT WINDS.....SOUTH AROUND 10 KNOTS.  
* VENTILATION.........VERY GOOD.  
   
EXTENDED
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 40S. HIGHS IN  
THE 70S. LIGHT WIND.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 40S. HIGHS IN THE  
70S. NORTH WINDS UP TO 10 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE 40S. HIGHS IN THE MID 70S TO  
LOWER 80S. NORTHEAST WIND AROUND 10 MPH.  
 

 
 
NVZ465-212315-  
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-  
345 AM PDT THU SEP 21 2017  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY WITH ISOLATED SHOWERS IN THE  
AFTERNOON.  
* MAX TEMPERATURE:  
* 4000 FEET.......82-87.  
* 24 HR TREND.....ON AVERAGE DOWN 5 DEGREES.  
* MIN HUMIDITY:  
* 4000 FEET.......13-21 PERCENT.  
* 24 HR TREND.....LITTLE CHANGE.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....SOUTH WINDS 10 TO 15 MPH SHIFTING TO THE  
SOUTHWEST 15 TO 25 MPH IN THE AFTERNOON. GUSTS UP TO 45 MPH.  
* 10000 FT MSL....SOUTHWEST 35 TO 45 MPH INCREASING TO 45 TO 55 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....10 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......7800 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 20 TO 30 KNOTS INCREASING TO 30 TO  
35 KNOTS IN THE AFTERNOON.  
* VENTILATION.........EXCELLENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY WITH ISOLATED SHOWERS IN THE  
EVENING.  
* MIN TEMPERATURE:  
* 4000 FEET.......46-51.  
* 24 HR TREND.....ON AVERAGE DOWN 13 DEGREES.  
* MAX HUMIDITY:  
* 4000 FEET.......46-51 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 6 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....WEST WINDS 10 TO 15 MPH SHIFTING TO THE NORTHWEST  
AFTER MIDNIGHT.  
* 10000 FT MSL....SOUTHWEST 35 TO 45 MPH BECOMING WEST 15 TO 20 MPH  
AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....10 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
   
FRIDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* 4000 FEET.......74-79.  
* 24 HR TREND.....ON AVERAGE DOWN 8 DEGREES.  
* MIN HUMIDITY:  
* 4000 FEET.......12-17 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 2 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTHWEST WINDS UP TO 10 MPH IN THE MORNING  
BECOMING UPSLOPE/UPVALLEY 4 TO 8 MPH.  
* 10000 FT MSL....WEST 10 TO 15 MPH BECOMING SOUTHWEST IN THE  
AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
* MIXING HEIGHT.......9900 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 KNOTS IN THE MORNING  
BECOMING LIGHT.  
* VENTILATION.........FAIR.  
   
EXTENDED
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE 40S. HIGHS IN THE UPPER 60S  
TO LOWER 70S. NORTH WINDS UP TO 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE 40S. HIGHS IN THE UPPER 60S TO  
MID 70S. NORTH WINDS 10 TO 15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE 40S. HIGHS IN THE 70S.  
NORTHEAST WIND 10 TO 15 MPH.  
 

 
 
NVZ463-464-212315-  
SHEEP RANGE-SPRING MOUNTAINS-  
345 AM PDT THU SEP 21 2017  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY WITH ISOLATED SHOWERS IN THE  
AFTERNOON.  
* MAX TEMPERATURE:  
* 7000 FEET.......60-65.  
* 24 HR TREND.....ON AVERAGE DOWN 11 DEGREES.  
* MIN HUMIDITY:  
* 7000 FEET.......18-26 PERCENT.  
* 24 HR TREND.....LITTLE CHANGE.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* UPPER SLOPES....WINDY. SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO  
AROUND 55 MPH.  
* 10000 FT MSL....SOUTHWEST 40 TO 50 MPH INCREASING TO 45 TO 55 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....5 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......4700 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 35 TO 45 KNOTS.  
* VENTILATION.........EXCELLENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY WITH ISOLATED SHOWERS IN THE  
EVENING.  
* MIN TEMPERATURE:  
* 7000 FEET.......27-32.  
* 24 HR TREND.....ON AVERAGE DOWN 18 DEGREES.  
* MAX HUMIDITY:  
* 7000 FEET.......63-68 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 18 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* UPPER SLOPES....WEST WINDS 10 TO 15 MPH SHIFTING TO THE NORTH  
AFTER MIDNIGHT.  
* 10000 FT MSL....SOUTHWEST 30 TO 40 MPH BECOMING WEST AROUND 10  
MPH AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....5 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE:  
* 7000 FEET.......56-61.  
* 24 HR TREND.....ON AVERAGE DOWN 4 DEGREES.  
* MIN HUMIDITY:  
* 7000 FEET.......20-30 PERCENT.  
* 24 HR TREND.....LITTLE CHANGE.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH.  
* 10000 FT MSL....WEST 10 TO 15 MPH IN THE MORNING BECOMING LIGHT  
AND VARIABLE.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......6800 FT AGL.  
* TRANSPORT WINDS.....LIGHT WINDS.  
* VENTILATION.........GOOD.  
   
EXTENDED
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 30S. HIGHS IN  
THE LOWER TO MID 50S. NORTH WINDS 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE 30S. HIGHS IN THE MID TO UPPER  
50S. NORTH WINDS 10 TO 15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE 30S. HIGHS IN THE UPPER 50S TO  
LOWER 60S. NORTHEAST WIND 10 TO 15 MPH.  
 

 
 
NVZ461-212315-  
LINCOLN COUNTY/ELY DISPATCH-  
345 AM PDT THU SEP 21 2017  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY WITH ISOLATED SHOWERS IN THE  
MORNING, THEN SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS IN THE  
AFTERNOON.  
* MAX TEMPERATURE:  
* 4000 FEET.......77-82.  
* 7000 FEET.......61-66.  
* 24 HR TREND.....ON AVERAGE DOWN 8 DEGREES.  
* MIN HUMIDITY:  
* 4000 FEET.......16-25 PERCENT.  
* 7000 FEET.......30-40 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 10 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....SOUTH WIND 10 TO 15 MPH SHIFTING TO THE SOUTHWEST  
15 TO 25 MPH IN THE AFTERNOON. GUSTS UP TO 45 MPH.  
* UPPER SLOPES....SOUTH WIND 10 TO 15 MPH SHIFTING TO THE SOUTHWEST  
15 TO 25 MPH IN THE AFTERNOON. GUSTS UP TO 45 MPH.  
* 10000 FT MSL....SOUTHWEST 35 TO 45 MPH INCREASING TO 40 TO 50 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....55 PERCENT.  
* LAL.................1 IN THE MORNING, THEN 2 IN THE AFTERNOON.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......10500 FT AGL.  
* TRANSPORT WINDS.....SOUTH 10 TO 20 KNOTS INCREASING TO SOUTHWEST  
25 TO 35 KNOTS IN THE AFTERNOON.  
* VENTILATION.........EXCELLENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SCATTERED RAIN SHOWERS THROUGH THE NIGHT.  
* MIN TEMPERATURE:  
* 4000 FEET.......43-48.  
* 7000 FEET.......29-34.  
* 24 HR TREND.....ON AVERAGE DOWN 17 DEGREES.  
* MAX HUMIDITY:  
* 4000 FEET.......54-59 PERCENT.  
* 7000 FEET.......78-83 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 19 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH WIND 10 TO 15 MPH.  
* UPPER SLOPES....NORTH WIND UP TO 10 MPH.  
* 10000 FT MSL....SOUTHWEST 25 TO 35 MPH BECOMING WEST 10 TO 15 MPH  
AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....40 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
FRIDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY WITH ISOLATED SHOWERS.  
* MAX TEMPERATURE:  
* 4000 FEET.......69-74.  
* 7000 FEET.......55-60.  
* 24 HR TREND.....ON AVERAGE DOWN 7 DEGREES.  
* MIN HUMIDITY:  
* 4000 FEET.......15-18 PERCENT.  
* 7000 FEET.......19-27 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 9 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 IN THE MORNING BECOMING  
UPSLOPE/UPVALLEY 4 TO 8 MPH.  
* 10000 FT MSL....WEST 10 TO 15 MPH IN THE MORNING BECOMING LIGHT  
AND VARIABLE.  
* CWR (>= 0.10 IN)....5 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......9800 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST UP TO 10 KNOTS IN THE MORNING  
BECOMING LIGHT.  
* VENTILATION.........GOOD.  
   
EXTENDED
 
   
SATURDAY
 
PARTLY CLOUDY WITH ISOLATED SHOWERS. LOWS IN THE UPPER 20S  
TO MID 30S. HIGHS IN THE MID 60S TO LOWER 70S. NORTHEAST WIND 10 TO  
15 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S TO MID 30S. HIGHS IN  
THE UPPER 60S TO LOWER 70S. NORTH WIND 10 TO 15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE 30S. HIGHS IN THE LOWER TO MID  
70S. NORTHEAST WIND 10 TO 15 MPH.  
 

 
 
NVZ462-212315-  
NYE COUNTY DESERTS/LAS VEGAS DISPATCH-  
345 AM PDT THU SEP 21 2017  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS.  
* MAX TEMPERATURE:  
* 4000 FEET.......76-81.  
* 7000 FEET.......56-61.  
* 24 HR TREND.....ON AVERAGE DOWN 9 DEGREES.  
* MIN HUMIDITY:  
* 4000 FEET.......12-17 PERCENT.  
* 7000 FEET.......31-41 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 8 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....SOUTH WIND 10 TO 20 MPH WITH GUSTS TO AROUND 45  
MPH.  
* UPPER SLOPES....SOUTHWEST WIND UP TO 10 MPH SHIFTING TO THE WEST  
IN THE AFTERNOON. GUSTS UP TO 35 MPH.  
* 10000 FT MSL....SOUTHWEST 25 TO 35 MPH INCREASING TO 30 TO 40 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....55 PERCENT.  
* LAL.................1 IN THE MORNING, THEN 2 IN THE AFTERNOON.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......8700 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST 20 TO 30 KNOTS INCREASING TO 30 TO  
35 KNOTS IN THE AFTERNOON.  
* VENTILATION.........EXCELLENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. SCATTERED RAIN SHOWERS IN THE  
EVENING.  
* MIN TEMPERATURE:  
* 4000 FEET.......43-48.  
* 7000 FEET.......29-34.  
* 24 HR TREND.....ON AVERAGE DOWN 15 DEGREES.  
* MAX HUMIDITY:  
* 4000 FEET.......50-55 PERCENT.  
* 7000 FEET.......70-75 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 14 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....WEST 15 TO 20 MPH SHIFTING TO THE NORTHWEST 10 TO  
20 MPH AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....30 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
FRIDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* 4000 FEET.......71-76.  
* 7000 FEET.......53-58.  
* 24 HR TREND.....ON AVERAGE DOWN 3 DEGREES.  
* MIN HUMIDITY:  
* 4000 FEET.......11-14 PERCENT.  
* 7000 FEET.......17-23 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 9 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH 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....WEST AROUND 10 MPH IN THE MORNING BECOMING LIGHT  
AND VARIABLE.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
* MIXING HEIGHT.......9900 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST AROUND 10 KNOTS IN THE MORNING  
BECOMING LIGHT.  
* VENTILATION.........FAIR.  
   
EXTENDED
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE 30S. HIGHS IN THE UPPER 60S  
TO LOWER 70S. NORTH WIND 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE 30S. HIGHS IN THE LOWER TO MID  
70S. NORTH WIND 10 TO 15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S TO LOWER 40S. HIGHS IN  
THE 70S. NORTHEAST WIND 10 TO 15 MPH.  
 

 
 
NVZ460-212315-  
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-  
345 AM PDT THU SEP 21 2017  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE:  
* 4000 FEET.......70-75.  
* 7000 FEET.......55-60.  
* 24 HR TREND.....ON AVERAGE DOWN 16 DEGREES.  
* MIN HUMIDITY:  
* 4000 FEET.......16-24 PERCENT.  
* 7000 FEET.......22-32 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 7 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTHEAST WIND UP TO 10 MPH SHIFTING TO THE  
NORTHWEST WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON.  
* UPPER SLOPES....NORTHWEST WIND UP TO 10 MPH INCREASING TO 10 TO  
15 MPH IN THE AFTERNOON.  
* 10000 FT MSL....SOUTHWEST 20 TO 30 MPH BECOMING WEST 10 TO 20 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....55 PERCENT.  
* LAL.................1 IN THE MORNING, THEN 2 IN THE AFTERNOON.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......12500 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST UP TO 10 KNOTS SHIFTING TO THE WEST  
IN THE AFTERNOON.  
* VENTILATION.........EXCELLENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY WITH ISOLATED SHOWERS IN THE  
EVENING.  
* MIN TEMPERATURE:  
* 4000 FEET.......37-42.  
* 7000 FEET.......28-33.  
* 24 HR TREND.....ON AVERAGE DOWN 14 DEGREES.  
* MAX HUMIDITY:  
* 4000 FEET.......59-64 PERCENT.  
* 7000 FEET.......69-74 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 17 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH WIND 10 TO 15 MPH SHIFTING TO THE NORTHWEST  
AFTER MIDNIGHT.  
* UPPER SLOPES....NORTHWEST WIND 10 TO 15 MPH DECREASING TO AROUND  
10 MPH AFTER MIDNIGHT.  
* 10000 FT MSL....NORTHWEST 20 TO 30 MPH DECREASING TO 15 TO 20 MPH  
AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....20 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE:  
* 4000 FEET.......66-71.  
* 7000 FEET.......54-59.  
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.  
* MIN HUMIDITY:  
* 4000 FEET.......13-15 PERCENT.  
* 7000 FEET.......17-25 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 5 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....NORTHWEST 10 TO 15 MPH BECOMING NORTH IN THE  
AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
* MIXING HEIGHT.......11100 FT AGL.  
* TRANSPORT WINDS.....NORTH 10 TO 15 KNOTS IN THE MORNING BECOMING  
LIGHT.  
* VENTILATION.........GOOD.  
   
EXTENDED
 
   
SATURDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER TO MID 30S. HIGHS IN  
THE MID 60S TO LOWER 70S. NORTH WIND 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 30S. HIGHS IN THE  
UPPER 60S TO MID 70S. NORTH WIND 10 TO 15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S TO LOWER 40S. HIGHS IN  
THE 70S. NORTH WIND AROUND 10 MPH.  
 

 
 
CAZ226-212315-  
OWENS VALLEY/SOUTHERN INYO FOREST-  
345 AM PDT THU SEP 21 2017  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY WITH ISOLATED SHOWERS THROUGH THE  
DAY. ISOLATED SNOW SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....71-76.  
* 7000 FEET.......57-62.  
* 24 HR TREND.....ON AVERAGE DOWN 15 DEGREES.  
* MIN HUMIDITY:  
* VALLEY FLOOR....8-16 PERCENT.  
* 7000 FEET.......19-29 PERCENT.  
* 24 HR TREND.....LITTLE CHANGE.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....WEST WINDS UP TO 10 MPH INCREASING TO 10 TO 15  
MPH IN THE AFTERNOON. GUSTS UP TO 35 MPH.  
* UPPER SLOPES....WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 45  
MPH.  
* 10000 FT MSL....WEST 25 TO 35 MPH DECREASING TO 15 TO 25 MPH IN  
THE AFTERNOON.  
* CWR (>= 0.10 IN)....5 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SNOW SHOWERS IN THE  
EVENING.  
* MIN TEMPERATURE:  
* VALLEY FLOOR....38-43.  
* 7000 FEET.......12-17.  
* 24 HR TREND.....ON AVERAGE DOWN 16 DEGREES.  
* MAX HUMIDITY:  
* VALLEY FLOOR....47-52 PERCENT.  
* 7000 FEET.......74-79 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 2 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTHWEST WINDS 10 TO 15 MPH DECREASING TO AROUND  
10 MPH AFTER MIDNIGHT.  
* UPPER SLOPES....WEST WINDS 10 TO 15 MPH DECREASING TO AROUND 10  
MPH AFTER MIDNIGHT.  
* 10000 FT MSL....NORTHWEST 15 TO 25 MPH DECREASING TO 10 TO 15 MPH  
AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....69-74.  
* 7000 FEET.......55-60.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* VALLEY FLOOR....12-16 PERCENT.  
* 7000 FEET.......22-32 PERCENT.  
* 24 HR TREND.....LITTLE CHANGE.  
* 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.  
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH.  
* 10000 FT MSL....WEST UP TO 10 MPH IN THE MORNING BECOMING LIGHT  
AND VARIABLE.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
EXTENDED
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S TO LOWER 40S. HIGHS  
IN THE UPPER 60S TO LOWER 70S. NORTH WINDS UP TO 10 MPH.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S TO LOWER 40S. HIGHS  
IN THE 70S. NORTH WINDS 10 TO 15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 40S. HIGHS IN THE  
MID 70S TO LOWER 80S. NORTH WIND AROUND 10 MPH.  
 

 
 
CAZ227-212315-  
DEATH VALLEY NATIONAL PARK-  
345 AM PDT THU SEP 21 2017  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY WITH ISOLATED SHOWERS.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....86-91.  
* 24 HR TREND.....ON AVERAGE DOWN 10 DEGREES.  
* MIN HUMIDITY:  
* VALLEY FLOOR....7-15 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 2 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....SOUTHEAST WIND UP TO 10 MPH SHIFTING TO THE SOUTH  
IN THE AFTERNOON. GUSTS UP TO 40 MPH.  
* 10000 FT MSL....SOUTHWEST 35 TO 45 MPH DECREASING TO 25 TO 35 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....5 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY WITH ISOLATED SHOWERS IN THE  
EVENING.  
* MIN TEMPERATURE:  
* VALLEY FLOOR....43-48.  
* 24 HR TREND.....ON AVERAGE DOWN 14 DEGREES.  
* MAX HUMIDITY:  
* VALLEY FLOOR....39-44 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 2 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....NORTHWEST WIND UP TO 10 MPH.  
* 10000 FT MSL....NORTHWEST 10 TO 20 MPH SHIFTING TO THE WEST 10 TO  
15 MPH AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....5 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
   
FRIDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....81-86.  
* 24 HR TREND.....ON AVERAGE DOWN 5 DEGREES.  
* MIN HUMIDITY:  
* VALLEY FLOOR....9-14 PERCENT.  
* 24 HR TREND.....LITTLE CHANGE.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....NORTHWEST WIND UP TO 10 MPH IN THE MORNING  
BECOMING UPSLOPE/UPVALLEY 4 TO 8 MPH.  
* 10000 FT MSL....NORTHWEST UP TO 10 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
   
EXTENDED
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S TO LOWER 60S. HIGHS  
IN THE MID 80S TO LOWER 90S. NORTH WIND 10 TO 15 MPH.    
SUNDAY
 
CLEAR. LOWS IN THE UPPER 50S TO LOWER 60S. HIGHS IN THE  
LOWER TO MID 90S. NORTH WIND 10 TO 15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 60S. HIGHS IN THE  
90S. NORTH WIND AROUND 10 MPH.  
 

 
 
CAZ228-212315-  
MOJAVE DESERT INCLUDING MORONGO VALLEY/YUCCA VALLEY-  
345 AM PDT THU SEP 21 2017  
   
TODAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....86-91.  
* 24 HR TREND.....ON AVERAGE DOWN 5 DEGREES.  
* MIN HUMIDITY:  
* VALLEY FLOOR....14-23 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 4 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....SOUTHWEST WIND 10 TO 15 MPH INCREASING TO 15 TO  
25 MPH IN THE AFTERNOON. GUSTS UP TO 45 MPH.  
* 10000 FT MSL....SOUTHWEST 30 TO 40 MPH INCREASING TO 35 TO 45 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE:  
* VALLEY FLOOR....44-49.  
* 24 HR TREND.....ON AVERAGE DOWN 13 DEGREES.  
* MAX HUMIDITY:  
* VALLEY FLOOR....45-50 PERCENT.  
* 24 HR TREND.....LITTLE CHANGE.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....WEST WIND 15 TO 20 MPH DECREASING TO AROUND 10  
MPH AFTER MIDNIGHT.  
* 10000 FT MSL....SOUTHWEST 30 TO 40 MPH DECREASING TO 20 TO 30 MPH  
AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
   
FRIDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....79-84.  
* 24 HR TREND.....ON AVERAGE DOWN 7 DEGREES.  
* MIN HUMIDITY:  
* VALLEY FLOOR....10-15 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 6 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....NORTHWEST WIND UP TO 10 MPH IN THE MORNING  
BECOMING UPSLOPE/UPVALLEY 4 TO 8 MPH.  
* 10000 FT MSL....WEST 15 TO 20 MPH BECOMING SOUTHWEST 10 TO 15 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
   
EXTENDED
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S TO MID 50S. HIGHS  
IN THE UPPER 70S TO LOWER 80S. NORTHWEST WIND UP TO 10 MPH.    
SUNDAY
 
CLEAR. LOWS IN THE LOWER TO MID 50S. HIGHS IN THE UPPER  
70S TO LOWER 80S. NORTH WIND 10 TO 15 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE 50S. HIGHS IN THE LOWER TO MID  
80S. NORTH WIND 10 TO 15 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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