051  
FNUS55 KREV 152229  
FWFREV  
 
FIRE WEATHER PLANNING FORECAST  
NATIONAL WEATHER SERVICE RENO NV  
329 PM PDT SUN SEP 15 2019  
 
...RED FLAG WARNING IN EFFECT UNTIL 9 AM PDT MONDAY FOR NORTHEAST  
CALIFORNIA...THE TAHOE BASIN...AND FAR NORTHWEST NEVADA FOR  
STRONG WINDS AND LOW HUMIDITY...  
 
...RED FLAG WARNING IN EFFECT UNTIL 2 PM PDT MONDAY FOR THE WESTERN  
NEVADA SIERRA FRONT FOR STRONG WINDS AND LOW HUMIDITY...  
 
...RED FLAG WARNING IN EFFECT UNTIL 6 PM PDT MONDAY FOR WEST-CENTRAL  
NEVADA AND THE EASTERN SIERRA FOR STRONG WINDS AND LOW HUMIDITY...  
 
   
DISCUSSION
 
 
A LONG DURATION RED FLAG EVENT LASTS INTO MONDAY FOR NORTHEAST CALIFORNIA,  
THE SIERRA, AND WESTERN NEVADA. POOR TO MODERATE OVERNIGHT HUMIDITY  
RECOVERIES TONIGHT MAY CREATE EXTENDED PERIODS OF CRITICAL CONDITIONS  
FOR WIND-PRONE VALLEYS AND MID-SLOPES. BEHIND THE FRONT MONDAY AND  
MONDAY NIGHT THERE WILL BE SOME WETTING RAINS, MOST LIKELY IN NORTHEAST  
CALIFORNIA AND FAR WESTERN NEVADA NORTH OF HIGHWAY 50. ANOTHER COLD  
SYSTEM IS EXPECTED FOR THE LATTER HALF OF THE WEEK WITH ANOTHER CHANCE  
AT WETTING RAIN ALONG WITH WELL BELOW AVERAGE TEMPERATURES.  
 
NOTE: THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS.  
NOTE: MIXING HEIGHTS ARE IN FEET ABOVE GROUND LEVEL OF THE VALLEY FLOORS.  
NOTE: PLEASE SEE OPERATING PLAN FOR DETAILED ZONE DESCRIPTIONS  
HTTP://WWW.WRH.NOAA.GOV/FIREWX/?WFO=REV  
 
NVZ450-161500-  
WESTERN NEVADA SIERRA FRONT-  
329 PM PDT SUN SEP 15 2019  
 
...RED FLAG WARNING IN EFFECT UNTIL 2 PM PDT MONDAY FOR STRONG WINDS  
AND LOW HUMIDITY...  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
AREAS OF BLOWING DUST IN THE EVENING.  
* MIN TEMPERATURE....  
* VALLEYS..........46-56.  
* MID SLOPE........48-58.  
* 24 HR TREND......2-4 DEGREES COOLER MIDSLOPES...LITTLE CHANGE VALLEYS.  
* MAX HUMIDITY.......  
* VALLEYS..........39-49%.  
* MID SLOPE........25-35%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 45  
MPH DECREASING TO 9 TO 14 MPH WITH GUSTS TO 25 MPH.  
* RIDGE TOP........SOUTHWEST WINDS 25 TO 40 MPH WITH GUSTS TO 55 MPH.  
* HAINES INDEX.......5.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......5500-6300 FT AGL DECREASING TO 2700 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....SOUTHWEST 30 TO 35 MPH DECREASING TO 20 TO 25  
MPH AFTER MIDNIGHT.  
* VENTILATION........EXCELLENT DECREASING TO GOOD AFTER MIDNIGHT.  
   
MONDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF SHOWERS. SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........62-70.  
* MID SLOPE........57-67.  
* 24 HR TREND......17 DEGREES COOLER.  
* MIN HUMIDITY.......  
* VALLEYS..........23-33%.  
* MID SLOPE........26-36%.  
* 24 HR TREND......12-15% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 15 TO 25 MPH. GUSTS TO 35 MPH  
INCREASING TO 45 MPH LATE MORNING, THEN DECREASING  
TO 35 MPH LATE IN THE AFTERNOON.  
* RIDGE TOP........SOUTHWEST WINDS 25 TO 40 MPH. GUSTS TO 55 MPH IN  
THE AFTERNOON.  
* HAINES INDEX.......2-3.  
* LAL................2.  
* CHC WETTING RAIN...35%.  
* MIXING HEIGHT......4000-4700 FT AGL INCREASING TO 6300-7300 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHWEST 20 TO 30 MPH INCREASING TO 30 TO 35  
MPH IN THE AFTERNOON.  
* VENTILATION........EXCELLENT.  
   
MONDAY NIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING CLEAR. SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
EVENING.  
* MIN TEMPERATURE....  
* VALLEYS..........32-42.  
* MID SLOPE........31-41.  
* MAX HUMIDITY.......  
* VALLEYS..........78-88%.  
* MID SLOPE........57-67%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....WEST WINDS 10 TO 17 MPH WITH GUSTS TO 30 MPH IN  
THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.  
* RIDGE TOP........WEST WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH  
SHIFTING TO THE SOUTHWEST 10 TO 15 MPH AFTER  
MIDNIGHT.  
* HAINES INDEX.......2.  
* LAL................2.  
* CHC WETTING RAIN...15%.  
* MIXING HEIGHT......4200-5200 FT AGL IN THE EVENING THEN 200-500 FT AGL.  
* TRANSPORT WINDS....WEST 25 TO 30 MPH IN THE EVENING BECOMING LIGHT.  
* VENTILATION........EXCELLENT DECREASING TO POOR AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER........SUNNY.  
* MAX TEMPERATURE....  
* VALLEYS..........67-73.  
* MID SLOPE........63-69.  
* MIN HUMIDITY.......  
* VALLEYS..........16-22%.  
* MID SLOPE........18-24%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......200-500 FT AGL THEN 4700-5200 FT AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........POOR INCREASING TO FAIR IN THE AFTERNOON.  
 
   
EXTENDED
 
   
TUESDAY NIGHT
 
CLEAR. LOWS 34-44. NORTHWEST WINDS 7 TO 12 MPH IN  
THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 68-74. LOWS  
34-44. WEST WINDS 10 TO 20 MPH.    
THURSDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 59-65. LOWS  
33-43. NORTHWEST WINDS 10 TO 15 MPH.    
FRIDAY
 
CLEAR. HIGHS 65-71. LOWS 33-43. SLOPE WINDS.    
SATURDAY THROUGH SUNDAY
 
CLEAR. HIGHS 71-81. LOWS 35-45.  
 

 
 
CAZ272-161500-  
GREATER LAKE TAHOE AREA-  
329 PM PDT SUN SEP 15 2019  
 
...RED FLAG WARNING IN EFFECT UNTIL 9 AM PDT MONDAY FOR STRONG WINDS  
AND LOW HUMIDITY...  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY.  
* MIN TEMPERATURE....  
* VALLEYS..........38-48.  
* MID SLOPE........41-51.  
* 24 HR TREND......5 DEGREES COOLER.  
* MAX HUMIDITY.......  
* VALLEYS..........58-68%.  
* MID SLOPE........40-50%.  
* 24 HR TREND......3-6% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 40  
MPH DECREASING TO 9 TO 15 MPH WITH GUSTS TO 25  
MPH AFTER MIDNIGHT.  
* RIDGE TOP........SOUTHWEST WINDS 30 TO 50 MPH. GUSTS TO 75 MPH IN  
THE EVENING.  
* HAINES INDEX.......3-4.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......4200-5000 FT AGL DECREASING TO 1800-2300 FT  
AGL AFTER MIDNIGHT.  
* TRANSPORT WINDS....SOUTHWEST 25 TO 35 MPH.  
* VENTILATION........EXCELLENT DECREASING TO GOOD AFTER MIDNIGHT.  
   
MONDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. CHANCE OF SHOWERS IN THE  
MORNING, THEN SHOWERS LIKELY AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........53-59.  
* MID SLOPE........47-55.  
* 24 HR TREND......16 DEGREES COOLER.  
* MIN HUMIDITY.......  
* VALLEYS..........32-42%.  
* MID SLOPE........34-44%.  
* 24 HR TREND......10-14% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 40  
MPH SHIFTING TO THE WEST 12 TO 17 MPH WITH  
GUSTS TO 30 MPH LATE IN THE AFTERNOON.  
* RIDGE TOP........SOUTHWEST WINDS 35 TO 55 MPH SHIFTING TO THE  
WEST 20 TO 35 MPH LATE IN THE AFTERNOON. GUSTS  
TO 65 MPH DECREASING TO 50 MPH LATE IN THE  
AFTERNOON.  
* HAINES INDEX.......2-3.  
* LAL................2.  
* CHC WETTING RAIN...55%.  
* MIXING HEIGHT......3600-4400 FT AGL INCREASING TO 4800-5800 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHWEST 25 TO 35 MPH.  
* VENTILATION........EXCELLENT.  
   
MONDAY NIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY. CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE....  
* VALLEYS..........23-33.  
* MID SLOPE........29-39.  
* MAX HUMIDITY.......  
* VALLEYS..........83-93%.  
* MID SLOPE........62-72%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 14 MPH WITH GUSTS TO 25 MPH  
IN THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.  
* RIDGE TOP........SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 40  
MPH DECREASING TO 10 TO 20 MPH AFTER MIDNIGHT.  
* HAINES INDEX.......2.  
* LAL................2.  
* CHC WETTING RAIN...25%.  
* MIXING HEIGHT......2700-3600 FT AGL IN THE EVENING THEN 200-500 FT AGL.  
* TRANSPORT WINDS....SOUTHWEST 20 TO 30 MPH IN THE EVENING BECOMING  
LIGHT.  
* VENTILATION........VERY GOOD DECREASING TO POOR AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.  
* MAX TEMPERATURE....  
* VALLEYS..........58-65.  
* MID SLOPE........52-62.  
* MIN HUMIDITY.......  
* VALLEYS..........22-32%.  
* MID SLOPE........24-34%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......200-500 FT AGL THEN 4600-5100 FT AGL IN THE  
AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........POOR INCREASING TO FAIR IN THE AFTERNOON.  
 
   
EXTENDED
 
   
TUESDAY NIGHT
 
CLEAR. LOWS 27-37. WEST WINDS 7 TO 12 MPH IN THE  
EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 55-64. LOWS  
27-37. SOUTHWEST WINDS 10 TO 20 MPH.    
THURSDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 49-56. LOWS  
27-37. WEST WINDS AROUND 10 MPH.    
FRIDAY
 
CLEAR. HIGHS 55-65. LOWS 27-37. SLOPE WINDS.    
SATURDAY THROUGH SUNDAY
 
CLEAR. HIGHS 63-73. LOWS 29-39.  
 

 
 
NVZ453-161500-  
WEST CENTRAL NEVADA BASIN AND RANGE-  
329 PM PDT SUN SEP 15 2019  
 
...RED FLAG WARNING IN EFFECT UNTIL 6 PM PDT MONDAY FOR STRONG WINDS  
AND LOW HUMIDITY...  
   
TONIGHT
 
 
* SKY/WEATHER........CLEAR. AREAS OF BLOWING DUST AND HAZE IN THE  
EVENING.  
* MIN TEMPERATURE....  
* VALLEYS..........50-60.  
* MID SLOPE........51-61.  
* 24 HR TREND......2-4 DEGREES WARMER.  
* MAX HUMIDITY.......  
* VALLEYS..........37-47%.  
* MID SLOPE........22-32%.  
* 24 HR TREND......LITTLE CHANGE MIDSLOPES...3-6% DRIER VALLEYS.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 45  
MPH DECREASING TO 9 TO 14 MPH.  
* RIDGE TOP........SOUTHWEST WINDS 20 TO 30 MPH. GUSTS TO 45 MPH IN  
THE EVENING.  
* HAINES INDEX.......5.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......7600-8600 FT AGL DECREASING TO 2200-2700 FT  
AGL AFTER MIDNIGHT.  
* TRANSPORT WINDS....SOUTHWEST 20 TO 30 MPH.  
* VENTILATION........EXCELLENT DECREASING TO GOOD AFTER MIDNIGHT.  
   
MONDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........67-77.  
* MID SLOPE........63-73.  
* 24 HR TREND......16 DEGREES COOLER.  
* MIN HUMIDITY.......  
* VALLEYS..........10-20%.  
* MID SLOPE........12-22%.  
* 24 HR TREND......10% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 15 MPH WITH GUSTS TO 25 MPH  
INCREASING TO WEST 15 TO 25 MPH WITH GUSTS TO  
40 MPH IN THE AFTERNOON.  
* RIDGE TOP........SOUTHWEST WINDS 20 TO 35 MPH. GUSTS TO 45 MPH IN  
THE AFTERNOON.  
* HAINES INDEX.......3.  
* LAL................1.  
* CHC WETTING RAIN...25%.  
* MIXING HEIGHT......3200-4200 FT AGL INCREASING TO 7600-8600 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHWEST 10 TO 20 MPH INCREASING TO 30 TO 40  
MPH IN THE AFTERNOON.  
* VENTILATION........VERY GOOD INCREASING TO EXCELLENT IN THE  
AFTERNOON.  
   
MONDAY NIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.  
CHANCE OF SHOWERS.  
* MIN TEMPERATURE....  
* VALLEYS..........33-43.  
* MID SLOPE........35-45.  
* MAX HUMIDITY.......  
* VALLEYS..........75-85%.  
* MID SLOPE........56-66%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....WEST WINDS 12 TO 18 MPH WITH GUSTS TO 30 MPH  
DECREASING TO 7 TO 12 MPH WITH GUSTS TO 20 MPH  
AFTER MIDNIGHT.  
* RIDGE TOP........WEST WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH  
DECREASING TO 10 TO 20 MPH AFTER MIDNIGHT.  
* HAINES INDEX.......2.  
* LAL................2.  
* CHC WETTING RAIN...15%.  
* MIXING HEIGHT......6600-7600 FT AGL IN THE EVENING THEN 200-500 FT AGL.  
* TRANSPORT WINDS....WEST 20 TO 30 MPH IN THE EVENING BECOMING LIGHT.  
* VENTILATION........EXCELLENT DECREASING TO POOR AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.  
* MAX TEMPERATURE....  
* VALLEYS..........66-74.  
* MID SLOPE........62-72.  
* MIN HUMIDITY.......  
* VALLEYS..........11-21%.  
* MID SLOPE........14-22%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 7 TO 12  
MPH IN THE AFTERNOON.  
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......700-1200 FT AGL INCREASING TO 4700-5300 FT AGL  
IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........POOR INCREASING TO GOOD IN THE AFTERNOON.  
 
   
EXTENDED
 
   
TUESDAY NIGHT
 
CLEAR. LOWS 35-45. SOUTHWEST WINDS 7 TO 12 MPH IN  
THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 70-80.  
LOWS 35-45. WEST WINDS 10 TO 15 MPH.    
THURSDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 60-70.  
LOWS 36-46. NORTHWEST WINDS 10 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. HIGHS 64-73. LOWS 36-46. NORTHWEST WINDS  
AROUND 10 MPH.    
SATURDAY THROUGH SUNDAY
 
CLEAR. HIGHS 73-83. LOWS 37-47.  
 

 
 
CAZ270-278-NVZ458-161500-  
SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY-  
NORTHERN WASHOE COUNTY-  
329 PM PDT SUN SEP 15 2019  
 
...RED FLAG WARNING IN EFFECT UNTIL 9 AM PDT MONDAY FOR STRONG WINDS  
AND LOW HUMIDITY...  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
HAZE AND AREAS OF SMOKE IN THE EVENING. SLIGHT  
CHANCE OF SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE....  
* VALLEYS..........44-54.  
* MID SLOPE........42-52.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........54-64%.  
* MID SLOPE........39-49%.  
* 24 HR TREND......10-15% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 50  
MPH DECREASING TO 9 TO 14 MPH WITH GUSTS TO 25  
MPH.  
* RIDGE TOP........SOUTHWEST WINDS 20 TO 35 MPH. GUSTS TO 50 MPH  
UNTIL EARLY MORNING.  
* HAINES INDEX.......4.  
* LAL................1.  
* CHC WETTING RAIN...5%.  
* MIXING HEIGHT......5900-6900 FT AGL DECREASING TO 2400 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....SOUTHWEST 25 TO 35 MPH DECREASING TO 15 TO 25  
MPH AFTER MIDNIGHT.  
* VENTILATION........EXCELLENT DECREASING TO GOOD AFTER MIDNIGHT.  
   
MONDAY
 
 
* SKY/WEATHER........SHOWERS LIKELY. SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........57-67.  
* MID SLOPE........53-63.  
* 24 HR TREND......19 DEGREES COOLER.  
* MIN HUMIDITY.......  
* VALLEYS..........23-33%.  
* MID SLOPE........26-36%.  
* 24 HR TREND......15% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 17 MPH. GUSTS TO 25 MPH  
INCREASING TO 35 MPH IN THE AFTERNOON.  
* RIDGE TOP........SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH.  
* HAINES INDEX.......2-3.  
* LAL................2.  
* CHC WETTING RAIN...60%.  
* MIXING HEIGHT......2600-3600 FT AGL INCREASING TO 5100-6100 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH.  
* VENTILATION........VERY GOOD INCREASING TO EXCELLENT IN THE  
AFTERNOON.  
   
MONDAY NIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE....  
* VALLEYS..........32-42.  
* MID SLOPE........33-43.  
* MAX HUMIDITY.......  
* VALLEYS..........78-88%.  
* MID SLOPE........68-78%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....WEST WINDS 9 TO 14 MPH WITH GUSTS TO 25 MPH.  
* RIDGE TOP........WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.  
* HAINES INDEX.......2-3.  
* LAL................2.  
* CHC WETTING RAIN...20%.  
* MIXING HEIGHT......3800-4800 FT AGL IN THE EVENING THEN 200-500 FT AGL.  
* TRANSPORT WINDS....WEST 15 TO 20 MPH IN THE EVENING BECOMING LIGHT.  
* VENTILATION........EXCELLENT DECREASING TO POOR AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.  
* MAX TEMPERATURE....  
* VALLEYS..........63-73.  
* MID SLOPE........59-67.  
* MIN HUMIDITY.......  
* VALLEYS..........16-26%.  
* MID SLOPE........20-28%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 8 TO 13  
MPH WITH GUSTS TO 20 MPH IN THE AFTERNOON.  
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......600-800 FT AGL INCREASING TO 4600-5100 FT AGL  
IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH IN  
THE AFTERNOON.  
* VENTILATION........POOR INCREASING TO VERY GOOD IN THE AFTERNOON.  
 
   
EXTENDED
 
   
TUESDAY NIGHT
 
CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS 32-42. SOUTHWEST WINDS  
9 TO 14 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 61-71. LOWS  
32-42. WEST WINDS 10 TO 20 MPH.    
THURSDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 55-65. LOWS  
32-42. NORTHWEST WINDS 10 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. HIGHS 61-71. LOWS 32-42. NORTH WINDS AROUND  
10 MPH.    
SATURDAY THROUGH SUNDAY
 
CLEAR. HIGHS 69-79. LOWS 34-44.  
 

 
 
CAZ271-161500-  
WESTERN LASSEN/EASTERN PLUMAS/EASTERN SIERRA/EASTERN NEVADA COUNTIES-  
329 PM PDT SUN SEP 15 2019  
 
...RED FLAG WARNING IN EFFECT UNTIL 9 AM PDT MONDAY FOR STRONG WINDS  
AND LOW HUMIDITY...  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY. HAZE AND AREAS OF SMOKE IN THE  
EVENING. CHANCE OF SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE....  
* VALLEYS..........39-49.  
* MID SLOPE........40-50.  
* 24 HR TREND......4 DEGREES WARMER.  
* MAX HUMIDITY.......  
* VALLEYS..........65-85%.  
* MID SLOPE........45-55%.  
* 24 HR TREND......15% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 40  
MPH DECREASING TO 8 TO 13 MPH WITH GUSTS TO 20  
MPH.  
* RIDGE TOP........SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH.  
* HAINES INDEX.......3-4.  
* LAL................1.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......4500-5500 FT AGL DECREASING TO 1700-2300 FT  
AGL AFTER MIDNIGHT.  
* TRANSPORT WINDS....SOUTHWEST 25 TO 35 MPH DECREASING TO 15 TO 25  
MPH AFTER MIDNIGHT.  
* VENTILATION........EXCELLENT DECREASING TO GOOD AFTER MIDNIGHT.  
   
MONDAY
 
 
* SKY/WEATHER........SHOWERS IN THE MORNING, THEN SHOWERS LIKELY  
AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........53-63.  
* MID SLOPE........51-59.  
* 24 HR TREND......19 DEGREES COOLER.  
* MIN HUMIDITY.......  
* VALLEYS..........34-44%.  
* MID SLOPE........38-48%.  
* 24 HR TREND......25% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 15 MPH SHIFTING TO THE WEST  
5 TO 10 MPH LATE IN THE AFTERNOON. GUSTS TO 30 MPH.  
* RIDGE TOP........WEST WINDS 20 TO 35 MPH. GUSTS TO 45 MPH.  
* HAINES INDEX.......2-3.  
* LAL................2.  
* CHC WETTING RAIN...70%.  
* MIXING HEIGHT......3000-4000 FT AGL INCREASING TO 3900-4900 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH.  
* VENTILATION........EXCELLENT.  
   
MONDAY NIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE....  
* VALLEYS..........28-38.  
* MID SLOPE........30-40.  
* MAX HUMIDITY.......  
* VALLEYS..........85-100%.  
* MID SLOPE........74-84%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....WEST WINDS 8 TO 13 MPH WITH GUSTS TO 20 MPH IN  
THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.  
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH. GUSTS TO 30 MPH IN  
THE EVENING.  
* HAINES INDEX.......2.  
* LAL................2.  
* CHC WETTING RAIN...20%.  
* MIXING HEIGHT......3900-4900 FT AGL IN THE EVENING THEN 200-500  
FT AGL.  
* TRANSPORT WINDS....WEST 15 TO 20 MPH IN THE EVENING BECOMING  
LIGHT.  
* VENTILATION........VERY GOOD DECREASING TO POOR AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.  
* MAX TEMPERATURE....  
* VALLEYS..........60-70.  
* MID SLOPE........58-66.  
* MIN HUMIDITY.......  
* VALLEYS..........20-30%.  
* MID SLOPE........23-33%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......200-500 FT AGL THEN 4800-5400 FT AGL IN THE  
AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........POOR INCREASING TO GOOD IN THE AFTERNOON.  
 
   
EXTENDED
 
   
TUESDAY NIGHT
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.  
LOWS 27-37. SOUTHWEST WINDS 9 TO 14 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 57-67. LOWS  
27-37. SOUTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 53-63. LOWS  
26-36. SLOPE WINDS.    
FRIDAY
 
CLEAR. HIGHS 60-70. LOWS 26-36. SLOPE WINDS.    
SATURDAY THROUGH SUNDAY
 
CLEAR. HIGHS 69-79. LOWS 28-38.  
 

 
 
CAZ273-161500-  
MONO AND EASTERN ALPINE COUNTIES-  
329 PM PDT SUN SEP 15 2019  
 
...RED FLAG WARNING IN EFFECT UNTIL 6 PM PDT MONDAY FOR STRONG WINDS  
AND LOW HUMIDITY...  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY. AREAS OF BLOWING DUST IN THE  
EVENING.  
* MIN TEMPERATURE....  
* VALLEYS..........38-48.  
* MID SLOPE........42-52.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........41-51%.  
* MID SLOPE........23-33%.  
* 24 HR TREND......4-7% DRIER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 40  
MPH DECREASING TO 9 TO 14 MPH WITH GUSTS TO 25  
MPH AFTER MIDNIGHT.  
* RIDGE TOP........SOUTHWEST WINDS 30 TO 50 MPH WITH GUSTS TO 60 MPH.  
* HAINES INDEX.......4.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......5200-6200 FT AGL DECREASING TO 1900-2900 FT  
AGL AFTER MIDNIGHT.  
* TRANSPORT WINDS....SOUTHWEST 20 TO 30 MPH.  
* VENTILATION........EXCELLENT DECREASING TO VERY GOOD AFTER  
MIDNIGHT.  
   
MONDAY
 
 
* SKY/WEATHER........SUNNY. CHANCE OF SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........60-70.  
* MID SLOPE........54-64.  
* 24 HR TREND......8 DEGREES COOLER.  
* MIN HUMIDITY.......  
* VALLEYS..........9-19%.  
* MID SLOPE........13-23%.  
* 24 HR TREND......2-3% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 10 TO 17 MPH WITH GUSTS TO 35  
MPH INCREASING TO 20 TO 30 MPH WITH GUSTS TO  
45 MPH IN THE AFTERNOON.  
* RIDGE TOP........SOUTHWEST WINDS 30 TO 50 MPH. GUSTS TO 80 MPH IN  
THE AFTERNOON.  
* HAINES INDEX.......3.  
* LAL................1.  
* CHC WETTING RAIN...25%.  
* MIXING HEIGHT......3100-4100 FT AGL INCREASING TO 6300-7300 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHWEST 20 TO 30 MPH INCREASING TO 35 TO 45  
MPH IN THE AFTERNOON.  
* VENTILATION........EXCELLENT.  
   
MONDAY NIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING CLEAR. CHANCE OF  
SHOWERS IN THE EVENING.  
* MIN TEMPERATURE....  
* VALLEYS..........22-32.  
* MID SLOPE........28-38.  
* MAX HUMIDITY.......  
* VALLEYS..........71-81%.  
* MID SLOPE........47-57%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 10 TO 17 MPH WITH GUSTS TO 30  
MPH DECREASING TO 7 TO 12 MPH WITH GUSTS TO 20  
MPH AFTER MIDNIGHT.  
* RIDGE TOP........SOUTHWEST WINDS 25 TO 35 MPH WITH GUSTS TO 50  
MPH DECREASING TO 15 TO 25 MPH AFTER MIDNIGHT.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...20%.  
* MIXING HEIGHT......4500-5500 FT AGL IN THE EVENING THEN 200-500 FT AGL.  
* TRANSPORT WINDS....SOUTHWEST 25 TO 35 MPH IN THE EVENING BECOMING  
LIGHT.  
* VENTILATION........EXCELLENT DECREASING TO POOR AFTER MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER........SUNNY.  
* MAX TEMPERATURE....  
* VALLEYS..........62-72.  
* MID SLOPE........57-67.  
* MIN HUMIDITY.......  
* VALLEYS..........10-20%.  
* MID SLOPE........12-22%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......600-1000 FT AGL INCREASING TO 4000-5000 FT AGL  
IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........POOR INCREASING TO FAIR IN THE AFTERNOON.  
 
   
EXTENDED
 
   
TUESDAY NIGHT
 
CLEAR. LOWS 26-36. DOWNSLOPE 2 TO 5 MPH BECOMING  
SOUTHWEST 7 TO 12 MPH AFTER MIDNIGHT.    
WEDNESDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 64-74. LOWS 26-36.  
SOUTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 54-64.  
LOWS 24-34. WEST WINDS AROUND 10 MPH.    
FRIDAY
 
CLEAR. HIGHS 59-69. LOWS 24-34. SLOPE WINDS.    
SATURDAY THROUGH SUNDAY
 
CLEAR. HIGHS 67-77. LOWS 27-37.  
 

 
 
NVZ459-161500-  
MINERAL AND SOUTHERN LYON COUNTIES-  
329 PM PDT SUN SEP 15 2019  
 
...RED FLAG WARNING IN EFFECT UNTIL 6 PM PDT MONDAY FOR STRONG WINDS  
AND LOW HUMIDITY...  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY. AREAS OF BLOWING DUST IN THE  
EVENING.  
* MIN TEMPERATURE....  
* VALLEYS..........51-61.  
* MID SLOPE........50-60.  
* 24 HR TREND......2-3 DEGREES WARMER.  
* MAX HUMIDITY.......  
* VALLEYS..........30-40%.  
* MID SLOPE........23-33%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 40  
MPH DECREASING TO 9 TO 14 MPH AFTER MIDNIGHT.  
* RIDGE TOP........SOUTHWEST WINDS 20 TO 35 MPH.  
* HAINES INDEX.......5.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......7300-8300 FT AGL DECREASING TO 2500-3000 FT  
AGL AFTER MIDNIGHT.  
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH.  
* VENTILATION........EXCELLENT DECREASING TO GOOD AFTER MIDNIGHT.  
   
MONDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. CHANCE OF SHOWERS IN THE AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........70-80.  
* MID SLOPE........67-77.  
* 24 HR TREND......10 DEGREES COOLER.  
* MIN HUMIDITY.......  
* VALLEYS..........9-19%.  
* MID SLOPE........10-20%.  
* 24 HR TREND......3-5% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 15 MPH WITH GUSTS TO 25 MPH  
INCREASING TO 20 TO 30 MPH WITH GUSTS TO 45  
MPH IN THE AFTERNOON.  
* RIDGE TOP........SOUTHWEST WINDS 25 TO 40 MPH. GUSTS TO 55 MPH IN  
THE AFTERNOON.  
* HAINES INDEX.......3.  
* LAL................1.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......3200-4200 FT AGL INCREASING TO 8800-9800 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTH 15 TO 20 MPH INCREASING TO SOUTHWEST 30  
TO 40 MPH IN THE AFTERNOON.  
* VENTILATION........VERY GOOD INCREASING TO EXCELLENT IN THE  
AFTERNOON.  
   
MONDAY NIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING CLEAR. CHANCE OF  
SHOWERS.  
* MIN TEMPERATURE....  
* VALLEYS..........29-39.  
* MID SLOPE........35-45.  
* MAX HUMIDITY.......  
* VALLEYS..........60-75%.  
* MID SLOPE........46-56%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....WEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH  
SHIFTING TO THE NORTHWEST 7 TO 12 MPH WITH  
GUSTS TO 20 MPH AFTER MIDNIGHT.  
* RIDGE TOP........SOUTHWEST WINDS 25 TO 35 MPH SHIFTING TO THE  
WEST 15 TO 20 MPH AFTER MIDNIGHT.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...15%.  
* MIXING HEIGHT......7600-8600 FT AGL DECREASING TO 600-700 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....SOUTHWEST 20 TO 30 MPH IN THE EVENING BECOMING  
LIGHT.  
* VENTILATION........EXCELLENT DECREASING TO MARGINAL AFTER  
MIDNIGHT.  
   
TUESDAY
 
 
* SKY/WEATHER........SUNNY.  
* MAX TEMPERATURE....  
* VALLEYS..........65-75.  
* MID SLOPE........63-71.  
* MIN HUMIDITY.......  
* VALLEYS..........11-18%.  
* MID SLOPE........13-21%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING EAST 7 TO 12 MPH IN  
THE AFTERNOON.  
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......1100-1600 FT AGL INCREASING TO 4100-4600 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........FAIR.  
 
   
EXTENDED
 
   
TUESDAY NIGHT
 
CLEAR. LOWS 35-45. EAST WINDS 7 TO 12 MPH IN THE  
EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. HIGHS 71-81. LOWS  
35-45. WEST WINDS 10 TO 20 MPH.    
THURSDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 59-69.  
LOWS 34-44. NORTHWEST WINDS 10 TO 15 MPH.    
FRIDAY
 
CLEAR. HIGHS 62-72. LOWS 34-44. NORTHWEST WINDS AROUND  
10 MPH.    
SATURDAY THROUGH SUNDAY
 
CLEAR. HIGHS 72-82. LOWS 35-45.  
 

 
 
.8 TO 14 DAY OUTLOOK FOR (MON SEP 23 THROUGH SUN SEP 29)  
ABOVE NORMAL TEMPERATURES AND LITTLE OR NO PRECIPITATION.  
 
=  

 
 
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