036  
FNUS55 KVEF 241043  
FWFVEF  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEVADA  
NORTHWEST ARIZONA AND SOUTHEAST CALIFORNIA  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
243 AM PST SAT FEB 24 2018  
   
DISCUSSION
 
AN UPPER LEVEL DISTURBANCE MOVING THROUGH NORTHEAST  
NEVADA INTO UTAH WILL CAUSE STRONG WINDS IN WESTERN SAN BERNARDINO  
COUNTY AND SNOW SHOWERS IN LINCOLN COUNTY LATE THIS AFTERNOON AND  
THIS EVENING. OTHERWISE, DRY AND WARMER CONDITIONS ARE EXPECTED  
THIS WEEKEND. SOUTHWEST WINDS WILL INCREASE AREA WIDE MONDAY AHEAD  
OF THE NEXT STORM WHICH WILL BRING A CHANCE OF RAIN AND SNOW TO  
THE REGION MONDAY NIGHT AND TUESDAY.  
 
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-NVZ466-250030-  
LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-LOWER COLORADO RIVER VALLEY-  
LAKE MEAD NRA/COLORADO RIVER-NV SIDE-  
243 AM PST SAT FEB 24 2018 /343 AM MST SAT FEB 24 2018/  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....59-64.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* VALLEY FLOOR....8-14 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 8 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....NORTHWEST WIND UP TO 10 MPH SHIFTING TO THE SOUTH  
IN THE AFTERNOON.  
* 10000 FT MSL....NORTHWEST 30 TO 35 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
* MIXING HEIGHT.......5900 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 10 KNOTS SHIFTING TO THE WEST IN  
THE AFTERNOON.  
* VENTILATION.........GOOD.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MIN TEMPERATURE:  
* VALLEY FLOOR....33-38.  
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.  
* MAX HUMIDITY:  
* VALLEY FLOOR....34-39 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 6 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....SOUTHEAST WIND UP TO 10 MPH SHIFTING TO THE NORTH  
AROUND 10 MPH AFTER MIDNIGHT.  
* 10000 FT MSL....WEST 30 TO 40 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
   
SUNDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....62-67.  
* 24 HR TREND.....ON AVERAGE UP 3 DEGREES.  
* MIN HUMIDITY:  
* VALLEY FLOOR....7-15 PERCENT.  
* 24 HR TREND.....LITTLE CHANGE.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....NORTH WIND 10 TO 15 MPH.  
* 10000 FT MSL....NORTHWEST 30 TO 40 MPH DECREASING TO 15 TO 20 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
* MIXING HEIGHT.......5700 FT AGL.  
* TRANSPORT WINDS.....NORTH 10 TO 15 KNOTS.  
* VENTILATION.........GOOD.  
   
EXTENDED
 
   
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S TO LOWER 40S. HIGHS IN  
THE MID 60S TO LOWER 70S. SOUTH WIND 10 TO 15 MPH.    
TUESDAY
 
COOLER. MOSTLY CLOUDY WITH SCATTERED SHOWERS. LOWS IN  
THE UPPER 30S TO LOWER 40S. HIGHS IN THE MID 50S TO LOWER 60S.  
SOUTHWEST WIND UP TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS IN THE MID 30S  
TO LOWER 40S. HIGHS IN THE LOWER TO MID 60S. LIGHT WIND.  
 

 
 
AZZ102-250030-  
NORTHWEST DESERTS/NORTHWEST PLATEAU-  
343 AM MST SAT FEB 24 2018  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE:  
* 3000 FEET.......52-57.  
* 6000 FEET.......36-41.  
* 24 HR TREND.....ON AVERAGE UP 2 DEGREES.  
* MIN HUMIDITY:  
* 3000 FEET.......10-18 PERCENT.  
* 6000 FEET.......18-26 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 17 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTHWEST  
AROUND 10 MPH IN THE AFTERNOON.  
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTHWEST  
AROUND 10 MPH IN THE AFTERNOON.  
* 10000 FT MSL....NORTHWEST 25 TO 35 MPH DECREASING TO 20 TO 30 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
* MIXING HEIGHT.......4500 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST AROUND 10 KNOTS SHIFTING TO THE  
WEST IN THE AFTERNOON.  
* VENTILATION.........FAIR.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MIN TEMPERATURE:  
* 3000 FEET.......25-30.  
* 6000 FEET.......13-18.  
* 24 HR TREND.....ON AVERAGE UP 5 DEGREES.  
* MAX HUMIDITY:  
* 3000 FEET.......38-43 PERCENT.  
* 6000 FEET.......62-67 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 18 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....SOUTHWEST WINDS UP TO 10 MPH SHIFTING TO THE  
NORTH AROUND 10 MPH AFTER MIDNIGHT.  
* UPPER SLOPES....WEST WINDS AROUND 10 MPH SHIFTING TO THE NORTH  
AFTER MIDNIGHT.  
* 10000 FT MSL....WEST 30 TO 40 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
   
SUNDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* 3000 FEET.......57-62.  
* 6000 FEET.......40-45.  
* 24 HR TREND.....ON AVERAGE UP 3 DEGREES.  
* MIN HUMIDITY:  
* 3000 FEET.......11-17 PERCENT.  
* 6000 FEET.......18-23 PERCENT.  
* 24 HR TREND.....LITTLE CHANGE.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH WINDS UP TO 10 MPH.  
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH.  
* 10000 FT MSL....NORTHWEST 35 TO 45 MPH DECREASING TO 15 TO 20 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
* MIXING HEIGHT.......4300 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST 10 TO 15 KNOTS IN THE MORNING  
BECOMING LIGHT.  
* VENTILATION.........FAIR.  
   
EXTENDED
 
   
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 20S TO LOWER 30S. HIGHS IN  
THE MID TO UPPER 50S. SOUTH WINDS 10 TO 15 MPH.    
TUESDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND SNOW SHOWERS. LOWS  
IN THE LOWER TO MID 30S. HIGHS IN THE MID 40S TO LOWER 50S. SOUTH  
WINDS 10 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND SNOW SHOWERS.  
LOWS IN THE UPPER 20S TO LOWER 30S. HIGHS IN THE UPPER 40S TO MID  
50S. WEST WIND UP TO 10 MPH.  
 

 
 
NVZ465-250030-  
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-  
243 AM PST SAT FEB 24 2018  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE:  
* 4000 FEET.......51-56.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* 4000 FEET.......10-15 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 6 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTHWEST  
AROUND 10 MPH IN THE AFTERNOON.  
* 10000 FT MSL....NORTHWEST 25 TO 35 MPH BECOMING 30 TO 35 MPH IN  
THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
* MIXING HEIGHT.......4800 FT AGL.  
* TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTHWEST AROUND 10  
KNOTS IN THE AFTERNOON.  
* VENTILATION.........GOOD.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MIN TEMPERATURE:  
* 4000 FEET.......26-31.  
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.  
* MAX HUMIDITY:  
* 4000 FEET.......44-49 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 3 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH WINDS UP TO 10 MPH.  
* 10000 FT MSL....WEST 25 TO 35 MPH INCREASING TO NORTHWEST 35 TO  
45 MPH AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
   
SUNDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* 4000 FEET.......54-59.  
* 24 HR TREND.....ON AVERAGE UP 3 DEGREES.  
* MIN HUMIDITY:  
* 4000 FEET.......13-17 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 2 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....NORTHWEST 30 TO 40 MPH DECREASING TO 10 TO 20 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
* MIXING HEIGHT.......4600 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 10 KNOTS IN THE MORNING BECOMING  
LIGHT.  
* VENTILATION.........FAIR.  
   
EXTENDED
 
   
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 20S TO LOWER 30S. HIGHS IN  
THE 50S. SOUTH WINDS 10 TO 15 MPH.    
TUESDAY
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND SNOW SHOWERS.  
LOWS IN THE LOWER TO MID 30S. HIGHS IN THE MID 40S TO LOWER 50S.  
NORTHWEST WINDS UP TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS AND SNOW SHOWERS. LOWS  
IN THE MID 20S TO LOWER 30S. HIGHS IN THE UPPER 40S TO MID 50S.  
WEST WIND UP TO 10 MPH.  
 

 
 
NVZ463-464-250030-  
SHEEP RANGE-SPRING MOUNTAINS-  
243 AM PST SAT FEB 24 2018  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE:  
* 7000 FEET.......36-41.  
* 24 HR TREND.....ON AVERAGE UP 2 DEGREES.  
* MIN HUMIDITY:  
* 7000 FEET.......16-21 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 12 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* UPPER SLOPES....WEST WINDS 10 MPH.  
* 10000 FT MSL....NORTHWEST 20 TO 30 MPH INCREASING TO WEST 25 TO  
35 MPH IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
* MIXING HEIGHT.......3100 FT AGL.  
* TRANSPORT WINDS.....WEST 15 TO 20 KNOTS.  
* VENTILATION.........GOOD.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MIN TEMPERATURE:  
* 7000 FEET.......12-17.  
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.  
* MAX HUMIDITY:  
* 7000 FEET.......57-62 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 10 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* UPPER SLOPES....NORTH WINDS 10 TO 15 MPH.  
* 10000 FT MSL....WEST 20 TO 30 MPH INCREASING TO NORTHWEST 35 TO  
40 MPH AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
SUNDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* 7000 FEET.......39-44.  
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.  
* MIN HUMIDITY:  
* 7000 FEET.......21-26 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 5 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* UPPER SLOPES....NORTH WINDS 10 MPH SHIFTING TO THE SOUTHWEST IN  
THE AFTERNOON.  
* 10000 FT MSL....NORTHWEST 25 TO 35 MPH DECREASING TO 10 TO 20 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
* MIXING HEIGHT.......2100 FT AGL.  
* TRANSPORT WINDS.....NORTH 10 TO 15 KNOTS SHIFTING TO THE WEST IN  
THE AFTERNOON.  
* VENTILATION.........MARGINAL.  
   
EXTENDED
 
   
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER TO MID 20S. HIGHS IN THE  
UPPER 30S TO LOWER 40S. SOUTHWEST WINDS 10 TO 20 MPH.    
TUESDAY
 
MOSTLY CLOUDY WITH SNOW SHOWERS LIKELY. LOWS IN THE  
LOWER TO MID 20S. HIGHS IN THE 30S. NORTH WINDS 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS IN THE  
LOWER TO MID 20S. HIGHS IN THE UPPER 30S TO LOWER 40S. WEST WIND  
AROUND 10 MPH.  
 

 
 
NVZ461-250030-  
LINCOLN COUNTY/ELY DISPATCH-  
243 AM PST SAT FEB 24 2018  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING MOSTLY CLOUDY.  
* MAX TEMPERATURE:  
* 4000 FEET.......47-52.  
* 7000 FEET.......34-39.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* 4000 FEET.......14-20 PERCENT.  
* 7000 FEET.......21-31 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 9 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTHWEST 10  
TO 15 MPH WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON.  
* UPPER SLOPES....WEST WIND UP TO 10 MPH INCREASING TO 10 TO 15 MPH  
IN THE AFTERNOON.  
* 10000 FT MSL....NORTHWEST 20 TO 30 MPH INCREASING TO WEST 25 TO  
35 MPH IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......4600 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 KNOTS SHIFTING TO THE  
SOUTHWEST IN THE AFTERNOON.  
* VENTILATION.........GOOD.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SCATTERED SNOW SHOWERS IN THE EVENING. ISOLATED SNOW SHOWERS  
AFTER MIDNIGHT.  
* MIN TEMPERATURE:  
* 4000 FEET.......23-28.  
* 7000 FEET.......6-11.  
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.  
* MAX HUMIDITY:  
* 4000 FEET.......49-54 PERCENT.  
* 7000 FEET.......79-84 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 7 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH WIND 10 TO 15 MPH.  
* UPPER SLOPES....NORTHWEST WIND 10 TO 15 MPH.  
* 10000 FT MSL....WEST 30 TO 40 MPH INCREASING TO NORTHWEST 35 TO  
45 MPH AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....15 PERCENT.  
* LAL.................1.  
* HAINES INDEX........2.  
   
SUNDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* 4000 FEET.......51-56.  
* 7000 FEET.......38-43.  
* 24 HR TREND.....ON AVERAGE UP 5 DEGREES.  
* MIN HUMIDITY:  
* 4000 FEET.......15-20 PERCENT.  
* 7000 FEET.......21-31 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 2 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....NORTHWEST WIND UP TO 10 MPH SHIFTING TO THE  
SOUTHWEST AROUND 10 MPH IN THE AFTERNOON.  
* 10000 FT MSL....NORTH 30 TO 40 MPH BECOMING NORTHWEST 15 TO 20  
MPH IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
* MIXING HEIGHT.......4200 FT AGL.  
* TRANSPORT WINDS.....NORTH 10 TO 15 KNOTS IN THE MORNING BECOMING  
LIGHT.  
* VENTILATION.........FAIR.  
   
EXTENDED
 
   
MONDAY
 
PARTLY CLOUDY. LOWS 16 TO 21. HIGHS IN THE UPPER 40S TO  
MID 50S. SOUTH WIND 10 TO 15 MPH.    
TUESDAY
 
MOSTLY CLOUDY WITH SCATTERED SNOW SHOWERS AND ISOLATED  
SHOWERS. LOWS 19 TO 24. HIGHS IN THE MID 40S TO LOWER 50S.  
NORTHEAST WIND 10 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 17 TO 22.  
HIGHS IN THE LOWER TO MID 50S. WEST WIND AROUND 10 MPH.  
 

 
 
NVZ462-250030-  
NYE COUNTY DESERTS/LAS VEGAS DISPATCH-  
243 AM PST SAT FEB 24 2018  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE:  
* 4000 FEET.......49-54.  
* 7000 FEET.......35-40.  
* 24 HR TREND.....ON AVERAGE UP 2 DEGREES.  
* MIN HUMIDITY:  
* 4000 FEET.......11-14 PERCENT.  
* 7000 FEET.......16-25 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 4 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTHWEST 10  
TO 15 MPH IN THE AFTERNOON.  
* UPPER SLOPES....WEST WIND UP TO 10 MPH INCREASING TO 10 TO 15 MPH  
IN THE AFTERNOON.  
* 10000 FT MSL....NORTHWEST 25 TO 35 MPH INCREASING TO WEST 30 TO  
40 MPH IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
* MIXING HEIGHT.......4100 FT AGL.  
* TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTHWEST AROUND 15  
KNOTS IN THE AFTERNOON.  
* VENTILATION.........GOOD.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY.  
* MIN TEMPERATURE:  
* 4000 FEET.......24-29.  
* 7000 FEET.......13-18.  
* 24 HR TREND.....ON AVERAGE UP 6 DEGREES.  
* MAX HUMIDITY:  
* 4000 FEET.......48-53 PERCENT.  
* 7000 FEET.......71-76 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 12 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH WIND 10 TO 15 MPH.  
* UPPER SLOPES....NORTH WIND 10 TO 20 MPH.  
* 10000 FT MSL....NORTHWEST 30 TO 40 MPH INCREASING TO 35 TO 45 MPH  
AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
SUNDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* 4000 FEET.......54-59.  
* 7000 FEET.......39-44.  
* 24 HR TREND.....ON AVERAGE UP 3 DEGREES.  
* MIN HUMIDITY:  
* 4000 FEET.......14-17 PERCENT.  
* 7000 FEET.......19-24 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 2 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTHEAST WIND UP TO 10 MPH SHIFTING TO THE SOUTH  
IN THE AFTERNOON.  
* UPPER SLOPES....NORTHWEST WIND UP TO 10 MPH SHIFTING TO THE  
SOUTHWEST IN THE AFTERNOON.  
* 10000 FT MSL....NORTHWEST 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.......4300 FT AGL.  
* TRANSPORT WINDS.....NORTHEAST 10 TO 15 KNOTS IN THE MORNING  
BECOMING LIGHT.  
* VENTILATION.........FAIR.  
   
EXTENDED
 
   
MONDAY
 
PARTLY CLOUDY. LOWS 18 TO 23. HIGHS IN THE LOWER TO MID  
50S. SOUTH WIND 10 TO 15 MPH.    
TUESDAY
 
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS AND RAIN SHOWERS. LOWS  
19 TO 24. HIGHS IN THE MID TO UPPER 40S. NORTH WIND 10 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS AND SNOW SHOWERS. LOWS  
16 TO 21. HIGHS IN THE UPPER 40S TO MID 50S. NORTHWEST WIND AROUND  
10 MPH.  
 

 
 
NVZ460-250030-  
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-  
243 AM PST SAT FEB 24 2018  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING MOSTLY CLOUDY.  
* MAX TEMPERATURE:  
* 4000 FEET.......45-50.  
* 7000 FEET.......40-45.  
* 24 HR TREND.....ON AVERAGE UP 8 DEGREES.  
* MIN HUMIDITY:  
* 4000 FEET.......12-13 PERCENT.  
* 7000 FEET.......17-27 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 6 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING WEST 10 TO  
15 MPH WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON.  
* UPPER SLOPES....WEST WIND UP TO 10 MPH INCREASING TO NORTHWEST 10  
TO 20 MPH WITH GUSTS TO AROUND 35 MPH IN THE AFTERNOON.  
* 10000 FT MSL....NORTHWEST 25 TO 35 MPH INCREASING TO WEST 30 TO  
40 MPH IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
* MIXING HEIGHT.......4800 FT AGL.  
* TRANSPORT WINDS.....LIGHT WINDS BECOMING WEST AROUND 10 KNOTS IN  
THE AFTERNOON.  
* VENTILATION.........GOOD.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SNOW SHOWERS IN THE  
EVENING.  
* MIN TEMPERATURE:  
* 4000 FEET.......20-25.  
* 7000 FEET.......12-17.  
* 24 HR TREND.....ON AVERAGE UP 6 DEGREES.  
* MAX HUMIDITY:  
* 4000 FEET.......56-61 PERCENT.  
* 7000 FEET.......68-73 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 12 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH WIND 10 TO 15 MPH.  
* UPPER SLOPES....NORTH WIND 10 TO 20 MPH.  
* 10000 FT MSL....NORTHWEST 35 TO 45 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
SUNDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* 4000 FEET.......49-54.  
* 7000 FEET.......42-47.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* 4000 FEET.......16-17 PERCENT.  
* 7000 FEET.......17-25 PERCENT.  
* 24 HR TREND.....LITTLE CHANGE.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH.  
* UPPER SLOPES....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTHWEST UP  
TO 10 MPH IN THE AFTERNOON.  
* 10000 FT MSL....NORTHWEST 20 TO 30 MPH BECOMING WEST 15 TO 25 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
* MIXING HEIGHT.......4900 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 10 KNOTS IN THE MORNING BECOMING  
LIGHT.  
* VENTILATION.........FAIR.  
   
EXTENDED
 
   
MONDAY
 
PARTLY CLOUDY WITH SCATTERED SNOW SHOWERS. LOWS IN THE  
LOWER TO MID 20S. HIGHS IN THE UPPER 40S TO MID 50S. SOUTH WIND UP  
TO 10 MPH.    
TUESDAY
 
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 17 TO 22.  
HIGHS IN THE MID TO UPPER 40S. NORTH WIND 10 TO 20 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS 16 TO 21. HIGHS IN THE UPPER 40S  
TO LOWER 50S. NORTHWEST WIND AROUND 10 MPH.  
 

 
 
CAZ226-250030-  
OWENS VALLEY/SOUTHERN INYO FOREST-  
243 AM PST SAT FEB 24 2018  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....53-58.  
* 7000 FEET.......42-47.  
* 24 HR TREND.....ON AVERAGE UP 5 DEGREES.  
* MIN HUMIDITY:  
* VALLEY FLOOR....12-17 PERCENT.  
* 7000 FEET.......17-27 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 3 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....SOUTHWEST WINDS UP TO 10 MPH SHIFTING TO THE  
NORTHWEST WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON.  
* UPPER SLOPES....NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
40 MPH INCREASING TO 15 TO 25 MPH WITH GUSTS TO AROUND 50 MPH  
IN THE AFTERNOON.  
* 10000 FT MSL....NORTHWEST 10 TO 15 MPH INCREASING TO WEST 15 TO  
25 MPH IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE:  
* VALLEY FLOOR....22-27.  
* 7000 FEET.......4-9.  
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.  
* MAX HUMIDITY:  
* VALLEY FLOOR....41-46 PERCENT.  
* 7000 FEET.......55-60 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 7 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH WINDS 10 TO 15 MPH DECREASING TO AROUND 10  
MPH AFTER MIDNIGHT.  
* UPPER SLOPES....NORTHWEST WINDS 10 TO 15 MPH.  
* 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.  
   
SUNDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....54-59.  
* 7000 FEET.......45-50.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* VALLEY FLOOR....13-18 PERCENT.  
* 7000 FEET.......18-28 PERCENT.  
* 24 HR TREND.....LITTLE CHANGE.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTH AROUND  
10 MPH IN THE AFTERNOON.  
* UPPER SLOPES....WEST WINDS UP TO 10 MPH.  
* 10000 FT MSL....NORTHWEST 10 TO 15 MPH SHIFTING TO THE SOUTHWEST  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
   
EXTENDED
 
   
MONDAY
 
PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS IN THE 20S.  
HIGHS IN THE 50S. WEST WINDS 10 TO 15 MPH.    
TUESDAY
 
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS IN THE LOWER  
TO MID 20S. HIGHS IN THE 40S. NORTH WINDS 10 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS 19 TO 24. HIGHS IN THE UPPER 40S  
TO MID 50S. SOUTHWEST WIND AROUND 10 MPH.  
 

 
 
CAZ227-250030-  
DEATH VALLEY NATIONAL PARK-  
243 AM PST SAT FEB 24 2018  
   
TODAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....61-66.  
* 24 HR TREND.....ON AVERAGE UP 3 DEGREES.  
* MIN HUMIDITY:  
* VALLEY FLOOR....9-14 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....WEST 20 TO 30 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE:  
* VALLEY FLOOR....27-32.  
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.  
* MAX HUMIDITY:  
* VALLEY FLOOR....38-43 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.  
* 10000 FT MSL....NORTHWEST 20 TO 30 MPH.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
   
SUNDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....63-68.  
* 24 HR TREND.....ON AVERAGE UP 2 DEGREES.  
* MIN HUMIDITY:  
* VALLEY FLOOR....11-17 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 2 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....UPSLOPE/UPVALLEY 4 TO 8 MPH.  
* 10000 FT MSL....NORTHWEST 20 TO 30 MPH BECOMING WEST 10 TO 15 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
   
EXTENDED
 
   
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER TO MID 40S. HIGHS IN THE  
UPPER 60S TO MID 70S. SOUTHWEST WIND 10 TO 15 MPH.    
TUESDAY
 
COOLER. MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND SNOW  
SHOWERS. LOWS IN THE 40S. HIGHS IN THE UPPER 50S TO MID 60S. NORTH  
WIND 10 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH ISOLATED SHOWERS. LOWS IN THE LOWER TO  
MID 40S. HIGHS IN THE MID 60S TO LOWER 70S. SOUTHWEST WIND UP TO  
10 MPH.  
 

 
 
CAZ228-250030-  
MOJAVE DESERT INCLUDING MORONGO VALLEY/YUCCA VALLEY-  
243 AM PST SAT FEB 24 2018  
   
TODAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....59-64.  
* 24 HR TREND.....ON AVERAGE UP 3 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....WEST WIND UP TO 10 MPH IN THE MORNING  
INCREASING TO 15 TO 25 MPH WITH GUSTS TO AROUND 45 MPH IN THE  
AFTERNOON.  
* 10000 FT MSL....NORTHWEST 30 TO 35 MPH DECREASING TO 20 TO 30 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLEAR.  
* MIN TEMPERATURE:  
* VALLEY FLOOR....29-34.  
* 24 HR TREND.....ON AVERAGE UP 4 DEGREES.  
* MAX HUMIDITY:  
* VALLEY FLOOR....36-41 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 3 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....WEST WIND 15 TO 25 MPH WITH GUSTS TO 45 MPH IN  
THE EVENING THEN NORTHWEST WIND 10 TO 15 MPH.  
* 10000 FT MSL....WEST 35 TO 45 MPH BECOMING NORTHWEST 25 TO 35 MPH  
AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
   
SUNDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....59-64.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* VALLEY FLOOR....9-15 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 2 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....NORTHEAST WIND UP TO 10 MPH IN THE MORNING  
BECOMING UPSLOPE/UPVALLEY 4 TO 8 MPH.  
* 10000 FT MSL....NORTHWEST 25 TO 35 MPH DECREASING TO 10 TO 15 MPH  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........5.  
   
EXTENDED
 
   
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 30S. HIGHS IN THE  
60S. SOUTHWEST WIND 10 TO 15 MPH.    
TUESDAY
 
COOLER. MOSTLY CLOUDY WITH SCATTERED SHOWERS AND SNOW  
SHOWERS. LOWS IN THE LOWER TO MID 30S. HIGHS IN THE LOWER TO MID  
50S. NORTHWEST WIND 10 TO 15 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 WIND AROUND 10 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  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab NV Page
The Nexlab AZ Page
The Nexlab CA Page Main Text Page