039  
FNUS55 KVEF 171126  
FWFVEF  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEVADA  
NORTHWEST ARIZONA AND SOUTHEAST CALIFORNIA  
NATIONAL WEATHER SERVICE LAS VEGAS NV  
326 AM PST SUN FEB 17 2019  
   
DISCUSSION
 
AN ABNORMALLY COLD WEATHER PATTERN WILL PERSIST OVER OUR  
REGION THROUGH THE COMING WEEK. THIS WILL ALLOW COLD LOW PRESSURE  
SYSTEMS TO DROP OUT OF WESTERN CANADA AND BRING CHANCES FOR SNOW  
DOWN TO THE DESERT FLOORS. THE FIRST SYSTEM WILL ARRIVE TODAY INTO  
MONDAY, AND A POTENTIALLY COLDER AND MORE VIGOROUS STORM COULD  
IMPACT THE REGION THURSDAY AND FRIDAY.  
 
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-NVZ466-180030-  
LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-LOWER COLORADO RIVER VALLEY-  
LAKE MEAD NRA/COLORADO RIVER-NV SIDE-  
326 AM PST SUN FEB 17 2019 /426 AM MST SUN FEB 17 2019/  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. SCATTERED RAIN SHOWERS.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....54-59.  
* 24 HR TREND.....ON AVERAGE DOWN 3 DEGREES.  
* MIN HUMIDITY:  
* VALLEY FLOOR....29-39 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 4 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTHWEST  
AROUND 10 MPH IN THE AFTERNOON.  
* 10000 FT MSL....WEST 10 TO 15 MPH.  
* CWR (>= 0.10 IN)....5 PERCENT INCREASING TO 15 PERCENT IN THE  
AFTERNOON.  
* LAL.................1.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......9200 FT AGL.  
* TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTH 10 TO 15 KNOTS IN  
THE AFTERNOON.  
* VENTILATION.........EXCELLENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND SNOW  
SHOWERS.  
* MIN TEMPERATURE:  
* VALLEY FLOOR....33-38.  
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.  
* MAX HUMIDITY:  
* VALLEY FLOOR....73-78 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 4 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.  
* 10000 FT MSL....WEST 15 TO 25 MPH SHIFTING TO THE SOUTHWEST 15 TO  
20 MPH AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....35 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
WASHINGTONS BIRTHDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY WITH SCATTERED SNOW SHOWERS AND  
ISOLATED SHOWERS.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....52-57.  
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.  
* MIN HUMIDITY:  
* VALLEY FLOOR....27-37 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 2 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....NORTHWEST WIND UP TO 10 MPH.  
* 10000 FT MSL....NORTH 10 TO 15 MPH IN THE MORNING BECOMING LIGHT  
AND VARIABLE.  
* CWR (>= 0.10 IN)....10 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......9500 FT AGL.  
* TRANSPORT WINDS.....NORTH AROUND 10 KNOTS.  
* VENTILATION.........VERY GOOD TO EXCELLENT.  
   
EXTENDED
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE 30S. HIGHS IN THE LOWER TO MID  
50S. NORTH WIND UP TO 10 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE 30S. HIGHS IN THE 50S.  
SOUTHEAST WIND UP TO 10 MPH.    
THURSDAY
 
MOSTLY CLOUDY WITH RAIN AND SNOW LIKELY. LOWS IN THE  
UPPER 30S TO LOWER 40S. HIGHS IN THE LOWER TO MID 50S. SOUTH WIND  
AROUND 10 MPH.  
 

 
 
AZZ102-180030-  
NORTHWEST DESERTS/NORTHWEST PLATEAU-  
426 AM MST SUN FEB 17 2019  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY WITH SCATTERED SNOW SHOWERS AND  
SHOWERS.  
* MAX TEMPERATURE:  
* 3000 FEET.......48-53.  
* 6000 FEET.......31-36.  
* 24 HR TREND.....ON AVERAGE DOWN 4 DEGREES.  
* MIN HUMIDITY:  
* 3000 FEET.......34-44 PERCENT.  
* 6000 FEET.......59-69 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 10 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....SOUTHWEST WINDS UP TO 10 MPH. GUSTS UP TO 25 MPH  
IN THE AFTERNOON.  
* UPPER SLOPES....SOUTHWEST WINDS UP TO 10 MPH.  
* 10000 FT MSL....WEST 10 TO 15 MPH.  
* CWR (>= 0.10 IN)....5 PERCENT INCREASING TO 40 PERCENT IN THE  
AFTERNOON.  
* LAL.................1.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......8300 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST AROUND 10 KNOTS INCREASING TO 15 TO  
20 KNOTS IN THE AFTERNOON.  
* VENTILATION.........EXCELLENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. SNOW SHOWERS LIKELY AND  
SCATTERED SHOWERS.  
* MIN TEMPERATURE:  
* 3000 FEET.......28-33.  
* 6000 FEET.......17-22.  
* 24 HR TREND.....ON AVERAGE DOWN 3 DEGREES.  
* MAX HUMIDITY:  
* 3000 FEET.......85-90 PERCENT.  
* 6000 FEET.......90-95 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 5 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....SOUTH WINDS UP TO 10 MPH IN THE EVENING BECOMING  
DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.  
* UPPER SLOPES....DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.  
* 10000 FT MSL....WEST 15 TO 25 MPH SHIFTING TO THE SOUTHWEST 15 TO  
20 MPH AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....65 PERCENT DECREASING TO 45 PERCENT AFTER  
MIDNIGHT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
WASHINGTONS BIRTHDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY WITH SCATTERED SNOW SHOWERS AND  
ISOLATED SHOWERS.  
* MAX TEMPERATURE:  
* 3000 FEET.......45-50.  
* 6000 FEET.......28-33.  
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.  
* MIN HUMIDITY:  
* 3000 FEET.......36-46 PERCENT.  
* 6000 FEET.......58-68 PERCENT.  
* 24 HR TREND.....LITTLE CHANGE.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTHWEST WINDS UP TO 10 MPH.  
* UPPER SLOPES....NORTHWEST WINDS UP TO 10 MPH.  
* 10000 FT MSL....SOUTHEAST 10 TO 15 MPH IN THE MORNING BECOMING  
LIGHT AND VARIABLE.  
* CWR (>= 0.10 IN)....25 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......7700 FT AGL.  
* TRANSPORT WINDS.....SOUTHWEST AROUND 10 KNOTS SHIFTING TO THE  
NORTHWEST IN THE AFTERNOON.  
* VENTILATION.........VERY GOOD.  
   
EXTENDED
 
   
TUESDAY
 
PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 19 TO 24.  
HIGHS IN THE UPPER 30S TO LOWER 40S. NORTHWEST WINDS UP TO 10 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED SNOW AND RAIN. LOWS 18 TO 23.  
HIGHS IN THE UPPER 30S TO MID 40S. SOUTH WINDS UP TO 10 MPH.    
THURSDAY
 
MOSTLY CLOUDY WITH SNOW AND RAIN LIKELY. LOWS IN THE  
MID 20S TO LOWER 30S. HIGHS IN THE UPPER 30S TO LOWER 40S. SOUTH  
WIND AROUND 10 MPH.  
 

 
 
NVZ465-180030-  
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-  
326 AM PST SUN FEB 17 2019  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY WITH SCATTERED SNOW SHOWERS AND  
SHOWERS.  
* MAX TEMPERATURE:  
* 4000 FEET.......46-51.  
* 24 HR TREND.....ON AVERAGE DOWN 4 DEGREES.  
* MIN HUMIDITY:  
* 4000 FEET.......36-46 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 10 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH.  
* 10000 FT MSL....WEST 10 TO 15 MPH.  
* CWR (>= 0.10 IN)....5 PERCENT INCREASING TO 20 PERCENT IN THE  
AFTERNOON.  
* LAL.................1.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......9900 FT AGL.  
* TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTHWEST AROUND 10  
KNOTS IN THE AFTERNOON.  
* VENTILATION.........VERY GOOD TO EXCELLENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS AND  
SHOWERS.  
* MIN TEMPERATURE:  
* 4000 FEET.......27-32.  
* 24 HR TREND.....LITTLE CHANGE.  
* MAX HUMIDITY:  
* 4000 FEET.......75-80 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 6 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH.  
* 10000 FT MSL....SOUTH 10 TO 15 MPH.  
* CWR (>= 0.10 IN)....30 PERCENT DECREASING TO 15 PERCENT AFTER  
MIDNIGHT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
WASHINGTONS BIRTHDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SNOW SHOWERS.  
* MAX TEMPERATURE:  
* 4000 FEET.......45-50.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* 4000 FEET.......29-39 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 7 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTHWEST WINDS UP TO 10 MPH.  
* 10000 FT MSL....NORTHEAST 20 TO 30 MPH IN THE MORNING BECOMING  
LIGHT AND VARIABLE.  
* CWR (>= 0.10 IN)....5 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......9300 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST 10 TO 15 KNOTS.  
* VENTILATION.........EXCELLENT.  
   
EXTENDED
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER TO MID 20S. HIGHS IN THE  
UPPER 30S TO LOWER 40S. NORTH WINDS 10 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED RAIN AND SNOW. LOWS IN THE  
LOWER TO MID 20S. HIGHS IN THE UPPER 30S TO LOWER 40S. SOUTHEAST  
WINDS UP TO 10 MPH.    
THURSDAY
 
MOSTLY CLOUDY WITH SNOW AND RAIN LIKELY. LOWS IN THE  
MID 20S TO LOWER 30S. HIGHS IN THE MID 30S TO LOWER 40S. SOUTHEAST  
WIND AROUND 10 MPH.  
 

 
 
NVZ463-464-180030-  
SHEEP RANGE-SPRING MOUNTAINS-  
326 AM PST SUN FEB 17 2019  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY WITH SCATTERED SNOW SHOWERS.  
* MAX TEMPERATURE:  
* 7000 FEET.......30-35.  
* 24 HR TREND.....ON AVERAGE DOWN 4 DEGREES.  
* MIN HUMIDITY:  
* 7000 FEET.......50-60 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 11 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* UPPER SLOPES....SOUTHWEST WINDS 10 TO 15 MPH.  
* 10000 FT MSL....WEST 10 TO 15 MPH.  
* CWR (>= 0.10 IN)....35 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......7500 FT AGL.  
* TRANSPORT WINDS.....WEST AROUND 10 KNOTS.  
* VENTILATION.........VERY GOOD.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS.  
* MIN TEMPERATURE:  
* 7000 FEET.......12-17.  
* 24 HR TREND.....LITTLE CHANGE.  
* MAX HUMIDITY:  
* 7000 FEET.......81-86 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 7 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* UPPER SLOPES....NORTH WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH  
AFTER MIDNIGHT.  
* 10000 FT MSL....SOUTHWEST 10 TO 15 MPH SHIFTING TO THE EAST AFTER  
MIDNIGHT.  
* CWR (>= 0.10 IN)....50 PERCENT DECREASING TO 15 PERCENT AFTER  
MIDNIGHT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
WASHINGTONS BIRTHDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SNOW SHOWERS.  
* MAX TEMPERATURE:  
* 7000 FEET.......30-35.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* 7000 FEET.......46-56 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 4 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* UPPER SLOPES....NORTH WINDS 10 TO 20 MPH.  
* 10000 FT MSL....NORTHEAST 20 TO 30 MPH IN THE MORNING BECOMING  
LIGHT AND VARIABLE.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......9800 FT AGL.  
* TRANSPORT WINDS.....NORTH 15 TO 20 KNOTS.  
* VENTILATION.........EXCELLENT.  
   
EXTENDED
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS 10 TO 15. HIGHS IN THE MID TO UPPER  
20S. NORTH WINDS 10 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED SNOW. LOWS 8 TO 13. HIGHS IN  
THE 20S. SOUTHEAST WINDS 10 TO 15 MPH.    
THURSDAY
 
MOSTLY CLOUDY WITH SNOW LIKELY. LOWS 13 TO 18. HIGHS IN  
THE 20S. SOUTH WIND 10 TO 15 MPH.  
 

 
 
NVZ461-180030-  
LINCOLN COUNTY/ELY DISPATCH-  
326 AM PST SUN FEB 17 2019  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY WITH SCATTERED SNOW SHOWERS.  
* MAX TEMPERATURE:  
* 4000 FEET.......42-47.  
* 7000 FEET.......27-32.  
* 24 HR TREND.....ON AVERAGE DOWN 5 DEGREES.  
* MIN HUMIDITY:  
* 4000 FEET.......44-54 PERCENT.  
* 7000 FEET.......53-63 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 9 PERCENT.  
* 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 NORTHWEST UP  
TO 10 MPH IN THE AFTERNOON.  
* 10000 FT MSL....WEST 10 TO 20 MPH.  
* CWR (>= 0.10 IN)....5 PERCENT INCREASING TO 15 PERCENT IN THE  
AFTERNOON.  
* LAL.................1.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......10900 FT AGL.  
* TRANSPORT WINDS.....NORTHWEST AROUND 10 KNOTS SHIFTING TO THE  
SOUTHWEST IN THE AFTERNOON.  
* VENTILATION.........EXCELLENT.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SNOW SHOWERS.  
* MIN TEMPERATURE:  
* 4000 FEET.......25-30.  
* 7000 FEET.......11-16.  
* 24 HR TREND.....LITTLE CHANGE.  
* MAX HUMIDITY:  
* 4000 FEET.......79-84 PERCENT.  
* 7000 FEET.......80-85 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 13 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH BECOMING NORTH UP  
TO 10 MPH AFTER MIDNIGHT.  
* UPPER SLOPES....NORTH WIND UP TO 10 MPH. GUSTS UP TO 25 MPH AFTER  
MIDNIGHT.  
* 10000 FT MSL....SOUTHWEST UP TO 10 MPH INCREASING TO NORTHEAST  
AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....15 PERCENT DECREASING TO 5 PERCENT AFTER  
MIDNIGHT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
WASHINGTONS BIRTHDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SNOW SHOWERS.  
* MAX TEMPERATURE:  
* 4000 FEET.......41-46.  
* 7000 FEET.......26-31.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* 4000 FEET.......33-43 PERCENT.  
* 7000 FEET.......50-60 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 5 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 WITH GUSTS TO AROUND 30  
MPH.  
* 10000 FT MSL....NORTHEAST 15 TO 25 MPH IN THE MORNING BECOMING  
LIGHT AND VARIABLE.  
* CWR (>= 0.10 IN)....5 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......11300 FT AGL.  
* TRANSPORT WINDS.....NORTH 10 TO 15 KNOTS.  
* VENTILATION.........EXCELLENT.  
   
EXTENDED
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS 8 TO 13. HIGHS IN THE MID 30S TO  
LOWER 40S. NORTH WIND 10 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH SCATTERED SNOW. LOWS 5 TO 10. HIGHS  
IN THE MID 30S TO LOWER 40S. SOUTH WIND UP TO 10 MPH.    
THURSDAY
 
MOSTLY CLOUDY WITH SNOW LIKELY. LOWS 13 TO 18. HIGHS IN  
THE MID 30S TO LOWER 40S. EAST WIND AROUND 10 MPH.  
 

 
 
NVZ462-180030-  
NYE COUNTY DESERTS/LAS VEGAS DISPATCH-  
326 AM PST SUN FEB 17 2019  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY WITH SCATTERED SNOW SHOWERS.  
* MAX TEMPERATURE:  
* 4000 FEET.......43-48.  
* 7000 FEET.......26-31.  
* 24 HR TREND.....ON AVERAGE DOWN 4 DEGREES.  
* MIN HUMIDITY:  
* 4000 FEET.......33-42 PERCENT.  
* 7000 FEET.......45-55 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 4 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING WEST UP TO  
10 MPH IN THE AFTERNOON.  
* UPPER SLOPES....NORTHWEST WIND UP TO 10 MPH.  
* 10000 FT MSL....NORTHWEST 10 TO 15 MPH SHIFTING TO THE SOUTHWEST  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....10 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......8800 FT AGL.  
* TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTHWEST AROUND 10  
KNOTS IN THE AFTERNOON.  
* VENTILATION.........VERY GOOD.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SNOW SHOWERS.  
* MIN TEMPERATURE:  
* 4000 FEET.......26-31.  
* 7000 FEET.......12-17.  
* 24 HR TREND.....ON AVERAGE DOWN 3 DEGREES.  
* MAX HUMIDITY:  
* 4000 FEET.......62-67 PERCENT.  
* 7000 FEET.......72-77 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 13 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH WIND UP TO 10 MPH.  
* UPPER SLOPES....NORTH WIND 10 TO 15 MPH WITH GUSTS TO AROUND 30  
MPH.  
* 10000 FT MSL....SOUTH UP TO 10 MPH INCREASING TO NORTHEAST 15 TO  
25 MPH AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....5 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
WASHINGTONS BIRTHDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE:  
* 4000 FEET.......44-49.  
* 7000 FEET.......26-31.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* 4000 FEET.......23-32 PERCENT.  
* 7000 FEET.......40-50 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 7 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 WITH GUSTS TO AROUND 35  
MPH.  
* 10000 FT MSL....NORTH 20 TO 30 MPH IN THE MORNING BECOMING LIGHT  
AND VARIABLE.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......12100 FT AGL.  
* TRANSPORT WINDS.....NORTH 10 TO 15 KNOTS.  
* VENTILATION.........EXCELLENT.  
   
EXTENDED
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS 10 TO 15. HIGHS IN THE UPPER 30S TO  
MID 40S. NORTH WIND 10 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH SCATTERED SNOW. LOWS 12 TO 17.  
HIGHS IN THE UPPER 30S TO LOWER 40S. SOUTH WIND UP TO 10 MPH.    
THURSDAY
 
MOSTLY CLOUDY WITH SCATTERED SNOW. LOWS 16 TO 21. HIGHS  
IN THE MID 30S TO LOWER 40S. NORTH WIND 10 TO 15 MPH.  
 

 
 
NVZ460-180030-  
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-  
326 AM PST SUN FEB 17 2019  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY WITH SCATTERED SNOW SHOWERS.  
* MAX TEMPERATURE:  
* 4000 FEET.......38-43.  
* 7000 FEET.......26-31.  
* 24 HR TREND.....ON AVERAGE DOWN 5 DEGREES.  
* MIN HUMIDITY:  
* 4000 FEET.......37-43 PERCENT.  
* 7000 FEET.......46-56 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 6 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING NORTHWEST UP  
TO 10 MPH IN THE AFTERNOON.  
* UPPER SLOPES....NORTHWEST WIND UP TO 10 MPH.  
* 10000 FT MSL....NORTHWEST 15 TO 20 MPH BECOMING SOUTH AROUND 10  
MPH IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....5 PERCENT INCREASING TO 20 PERCENT IN THE  
AFTERNOON.  
* LAL.................1.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......8200 FT AGL.  
* TRANSPORT WINDS.....LIGHT WINDS BECOMING SOUTHWEST AROUND 10  
KNOTS IN THE AFTERNOON.  
* VENTILATION.........VERY GOOD.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SNOW SHOWERS.  
* MIN TEMPERATURE:  
* 4000 FEET.......19-24.  
* 7000 FEET.......11-16.  
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.  
* MAX HUMIDITY:  
* 4000 FEET.......65-70 PERCENT.  
* 7000 FEET.......75-80 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 3 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTHWEST WIND UP TO 10 MPH.  
* UPPER SLOPES....NORTHWEST WIND 10 TO 15 MPH WITH GUSTS TO AROUND  
30 MPH.  
* 10000 FT MSL....LIGHT AND VARIABLE BECOMING NORTHEAST 15 TO 25  
MPH AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....10 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
WASHINGTONS BIRTHDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE:  
* 4000 FEET.......39-44.  
* 7000 FEET.......26-31.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* 4000 FEET.......29-35 PERCENT.  
* 7000 FEET.......45-55 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 3 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTHWEST WIND 10 TO 15 MPH.  
* UPPER SLOPES....NORTHWEST WIND 10 TO 15 MPH WITH GUSTS TO AROUND  
35 MPH.  
* 10000 FT MSL....NORTH 20 TO 30 MPH IN THE MORNING BECOMING LIGHT  
AND VARIABLE.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
* MIXING HEIGHT.......10800 FT AGL.  
* TRANSPORT WINDS.....NORTH 20 TO 25 KNOTS.  
* VENTILATION.........EXCELLENT.  
   
EXTENDED
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS 11 TO 16. HIGHS IN THE UPPER 30S TO  
LOWER 40S. NORTHWEST WIND 10 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY WITH SCATTERED SNOW. LOWS 12 TO 17.  
HIGHS IN THE UPPER 30S TO LOWER 40S. SOUTH WIND UP TO 10 MPH.    
THURSDAY
 
MOSTLY CLOUDY WITH SCATTERED SNOW. LOWS 14 TO 19. HIGHS  
IN THE UPPER 30S TO LOWER 40S. NORTH WIND 10 TO 15 MPH.  
 

 
 
CAZ226-180030-  
OWENS VALLEY/SOUTHERN INYO FOREST-  
326 AM PST SUN FEB 17 2019  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY WITH SCATTERED SNOW SHOWERS.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....43-48.  
* 7000 FEET.......25-30.  
* 24 HR TREND.....ON AVERAGE DOWN 4 DEGREES.  
* MIN HUMIDITY:  
* VALLEY FLOOR....33-42 PERCENT.  
* 7000 FEET.......45-55 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 4 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTHWEST WINDS UP TO 10 MPH.  
* UPPER SLOPES....WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 40  
MPH.  
* 10000 FT MSL....NORTHWEST 10 TO 20 MPH SHIFTING TO THE SOUTH 10  
TO 15 MPH IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....5 PERCENT INCREASING TO 35 PERCENT IN THE  
AFTERNOON.  
* LAL.................1.  
* HAINES INDEX........3.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS.  
* MIN TEMPERATURE:  
* VALLEY FLOOR....19-24.  
* 7000 FEET.......4 BELOW-9 BELOW ZERO.  
* 24 HR TREND.....ON AVERAGE DOWN 3 DEGREES.  
* MAX HUMIDITY:  
* VALLEY FLOOR....62-67 PERCENT.  
* 7000 FEET.......71-76 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 6 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTHWEST WINDS 10 TO 15 MPH.  
* UPPER SLOPES....NORTHWEST WINDS 10 TO 15 MPH.  
* 10000 FT MSL....NORTHWEST 10 TO 15 MPH INCREASING TO NORTH 20 TO  
30 MPH AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....10 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
WASHINGTONS BIRTHDAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SNOW SHOWERS.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....42-47.  
* 7000 FEET.......26-31.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* VALLEY FLOOR....25-33 PERCENT.  
* 7000 FEET.......41-51 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 7 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* SLOPE/VALLEY....NORTH WINDS 10 TO 15 MPH.  
* UPPER SLOPES....NORTH WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 35  
MPH.  
* 10000 FT MSL....NORTH 20 TO 30 MPH IN THE MORNING BECOMING LIGHT  
AND VARIABLE.  
* CWR (>= 0.10 IN)....5 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
   
EXTENDED
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS 12 TO 17. HIGHS IN THE UPPER 30S TO  
MID 40S. NORTH WINDS 10 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED SNOW. LOWS 18 TO 23. HIGHS IN  
THE LOWER TO MID 40S. SOUTHWEST WINDS UP TO 10 MPH.    
THURSDAY
 
MOSTLY CLOUDY WITH SNOW LIKELY. LOWS 19 TO 24. HIGHS IN  
THE UPPER 30S TO LOWER 40S. NORTHWEST WIND 10 TO 15 MPH.  
 

 
 
CAZ227-180030-  
DEATH VALLEY NATIONAL PARK-  
326 AM PST SUN FEB 17 2019  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY WITH SCATTERED SNOW SHOWERS AND  
ISOLATED SHOWERS.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....56-61.  
* 24 HR TREND.....ON AVERAGE DOWN 5 DEGREES.  
* MIN HUMIDITY:  
* VALLEY FLOOR....23-28 PERCENT.  
* 24 HR TREND.....ON AVERAGE UP 3 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....SOUTH WIND UP TO 10 MPH SHIFTING TO THE NORTHWEST  
IN THE AFTERNOON.  
* 10000 FT MSL....NORTHWEST 10 TO 15 MPH SHIFTING TO THE SOUTHWEST  
IN THE AFTERNOON.  
* CWR (>= 0.10 IN)....10 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
TONIGHT
 
 
* SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SNOW SHOWERS.  
* MIN TEMPERATURE:  
* VALLEY FLOOR....40-45.  
* 24 HR TREND.....LITTLE CHANGE.  
* MAX HUMIDITY:  
* VALLEY FLOOR....41-46 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 6 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....NORTHWEST WIND 10 TO 15 MPH.  
* 10000 FT MSL....WEST AROUND 10 MPH INCREASING TO NORTH 15 TO 25  
MPH AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....5 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
WASHINGTONS BIRTHDAY
 
 
* SKY/WEATHER.........SUNNY.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....57-62.  
* 24 HR TREND.....LITTLE CHANGE.  
* MIN HUMIDITY:  
* VALLEY FLOOR....16-19 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 8 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....NORTHWEST WIND 10 TO 15 MPH.  
* 10000 FT MSL....NORTH 20 TO 30 MPH IN THE MORNING BECOMING LIGHT  
AND VARIABLE.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........4.  
   
EXTENDED
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID TO UPPER 30S. HIGHS IN THE  
UPPER 50S TO LOWER 60S. NORTH WIND 10 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED SNOW. LOWS IN THE MID TO  
UPPER 30S. HIGHS IN THE UPPER 50S TO MID 60S. SOUTHEAST WIND UP TO  
10 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SNOW AND RAIN. LOWS IN THE  
UPPER 30S TO LOWER 40S. HIGHS IN THE MID 50S TO LOWER 60S.  
NORTHWEST WIND 10 TO 15 MPH.  
 

 
 
CAZ228-180030-  
MOJAVE DESERT INCLUDING MORONGO VALLEY/YUCCA VALLEY-  
326 AM PST SUN FEB 17 2019  
   
TODAY
 
 
* SKY/WEATHER.........PARTLY CLOUDY WITH ISOLATED SHOWERS AND SNOW  
SHOWERS.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....53-58.  
* 24 HR TREND.....ON AVERAGE DOWN 2 DEGREES.  
* MIN HUMIDITY:  
* VALLEY FLOOR....29-39 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 AROUND 40  
MPH.  
* 10000 FT MSL....WEST 10 TO 15 MPH INCREASING TO 20 TO 30 MPH IN  
THE AFTERNOON.  
* CWR (>= 0.10 IN)....5 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
TONIGHT
 
 
* SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND SNOW  
SHOWERS.  
* MIN TEMPERATURE:  
* VALLEY FLOOR....28-33.  
* 24 HR TREND.....ON AVERAGE DOWN 3 DEGREES.  
* MAX HUMIDITY:  
* VALLEY FLOOR....68-73 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 2 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....WEST WIND 10 TO 15 MPH. GUSTS UP TO 40 MPH IN THE  
EVENING.  
* 10000 FT MSL....WEST 25 TO 35 MPH DECREASING TO 15 TO 25 MPH  
AFTER MIDNIGHT.  
* CWR (>= 0.10 IN)....10 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
WASHINGTONS BIRTHDAY
 
 
* SKY/WEATHER.........MOSTLY SUNNY.  
* MAX TEMPERATURE:  
* VALLEY FLOOR....50-55.  
* 24 HR TREND.....ON AVERAGE DOWN 3 DEGREES.  
* MIN HUMIDITY:  
* VALLEY FLOOR....21-31 PERCENT.  
* 24 HR TREND.....ON AVERAGE DOWN 8 PERCENT.  
* WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG):  
* VALLEY FLOOR....NORTHWEST WIND 10 TO 15 MPH WITH GUSTS TO AROUND  
30 MPH.  
* 10000 FT MSL....NORTH 20 TO 30 MPH IN THE MORNING BECOMING LIGHT  
AND VARIABLE.  
* CWR (>= 0.10 IN)....0 PERCENT.  
* LAL.................1.  
* HAINES INDEX........3.  
   
EXTENDED
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 20S TO LOWER 30S. HIGHS IN  
THE UPPER 40S TO LOWER 50S. NORTHWEST WIND 10 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED RAIN AND SNOW. LOWS IN THE  
UPPER 20S TO LOWER 30S. HIGHS IN THE UPPER 40S TO LOWER 50S. SOUTH  
WIND UP TO 10 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW. LOWS IN THE  
30S. HIGHS IN THE MID 40S TO LOWER 50S. SOUTHWEST WIND AROUND  
10 MPH.  
 

 
 
NOTE: MIXING HEIGHT...TRANSPORT WINDS AND VENTILATION CATEGORY FOR  
EACH FIRE ZONE ARE BASED ON THE FOLLOWING POINTS/AREAS:  
 
IN THE COLORADO RIVER VALLEY:  
NVZ466-CAZ229-AZZ001 - LAUGHLIN/BULLHEAD CITY/NEEDLES  
 
IN ARIZONA:  
AZZ102 - KINGMAN VICINITY  
 
IN NEVADA:  
NVZ460 - ORIENTAL WASH RAWS VICINITY  
NVZ461 - KANE SPRINGS RAWS VICINITY  
NVZ462 - DESERT ROCK VICINITY  
NVZ463-NVZ464 - KYLE CANYON VICINITY  
NVZ465 - 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