045  
FNUS55 KREV 171020  
FWFREV  
 
FIRE WEATHER PLANNING FORECAST  
NATIONAL WEATHER SERVICE RENO NV  
320 AM PDT WED AUG 17 2022  
 
...RED FLAG WARNING IN EFFECT FROM 2 PM WEDNESDAY TO 8 AM PDT  
THURSDAY FOR ABUNDANT LIGHTNING ON DRY FUELS FOR NORTHEAST  
CALIFORNIA AND FAR NORTHWEST NEVADA...  
   
DISCUSSION
 
 
MONSOON MOISTURE CONTINUES TO FILTER INTO THE EASTERN SIERRA  
AND WESTERN NEVADA WITH SHOWERS AND THUNDERSTORMS EXPECTED TODAY AND  
TONIGHT INTO THURSDAY. DRY STRIKES WILL BE POSSIBLE ACROSS NORTHEAST  
CALIFORNIA AND NW NEVADA TODAY INTO EARLY THURSDAY MORNING. STORMS  
MAY CONTAIN GUSTY OUTFLOW WINDS, HEAVY RAINFALL AND COULD CAUSE  
LOCALIZED FLASH FLOODING. OUTSIDE OF ANY THUNDERSTORM ACTIVITY, LIGHT  
WINDS ARE FORECAST. DRIER CONDITIONS ARE ANTICIPATED FOR THE WEEKEND.  
 
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  
 
NVZ420-180100-  
NORTHERN SIERRA FRONT INCLUDING CARSON CITY, DOUGLAS, STOREY,  
SOUTHERN WASHOE, WESTERN LYON, AND FAR SOUTHERN LASSEN COUNTIES-  
320 AM PDT WED AUG 17 2022  
   
TODAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE  
MORNING. SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........88-98.  
* MID SLOPE........83-93.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........12-22%.  
* MID SLOPE........15-25%.  
* 24 HR TREND......6% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTHWEST 9 TO 14  
MPH IN THE AFTERNOON.  
* RIDGE TOP........LIGHT WINDS BECOMING WEST 10 TO 15 MPH IN THE  
AFTERNOON.  
* HAINES INDEX.......4-5.  
* LAL................2.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......1800-2800 FT AGL INCREASING TO 7900-8900 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS.  
* MIN TEMPERATURE....  
* VALLEYS..........52-62.  
* MID SLOPE........55-65.  
* 24 HR TREND......5 DEGREES COOLER.  
* MAX HUMIDITY.......  
* VALLEYS..........76-86%.  
* MID SLOPE........59-69%.  
* 24 HR TREND......30% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....WEST WINDS 9 TO 15 MPH. GUSTS TO 25 MPH UNTIL  
EARLY MORNING.  
* RIDGE TOP........WEST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH UNTIL  
EARLY MORNING.  
* HAINES INDEX.......3-4.  
* LAL................4.  
* CHC WETTING RAIN...20%.  
* MIXING HEIGHT......3200-4200 FT AGL DECREASING TO 600-1100 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....WEST 15 TO 25 MPH SHIFTING TO THE NORTHWEST 10  
TO 15 MPH AFTER MIDNIGHT.  
* VENTILATION........EXCELLENT DECREASING TO FAIR AFTER MIDNIGHT.  
   
THURSDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF THUNDERSTORMS.  
* MAX TEMPERATURE....  
* VALLEYS..........83-93.  
* MID SLOPE........79-89.  
* MIN HUMIDITY.......  
* VALLEYS..........18-28%.  
* MID SLOPE........20-30%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTHWEST 7 TO 12  
MPH LATE IN THE AFTERNOON.  
* RIDGE TOP........LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH IN  
THE AFTERNOON.  
* HAINES INDEX.......3.  
* LAL................4.  
* CHC WETTING RAIN...5%.  
* MIXING HEIGHT......800-1300 FT AGL INCREASING TO 5400-6400 FT AGL  
IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE  
AFTERNOON.  
 
   
EXTENDED
 
   
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS  
54-64. NORTHWEST WINDS 9 TO 14 MPH IN THE EVENING BECOMING DOWNSLOPE  
2 TO 5 MPH.    
FRIDAY
 
CLEAR. HIGHS 86-95. LOWS 54-64. SLOPE WINDS.    
SATURDAY THROUGH SUNDAY
 
CLEAR. HIGHS 89-98. LOWS 51-61. WEST  
WINDS 10 TO 15 MPH.    
MONDAY THROUGH TUESDAY
 
CLEAR. HIGHS 87-96. LOWS 51-61.  
 

 
 
NVZ421-180100-  
SOUTHERN SIERRA FRONT INCLUDING ALPINE, NORTHERN MONO, SOUTHERN  
LYON, AND WESTERN MINERAL COUNTIES-  
320 AM PDT WED AUG 17 2022  
   
TODAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF THUNDERSTORMS.  
* MAX TEMPERATURE....  
* VALLEYS..........82-92.  
* MID SLOPE........74-84.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........15-25%.  
* MID SLOPE........16-26%.  
* 24 HR TREND......7% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 8 TO 13 MPH  
WITH GUSTS TO 20 MPH IN THE AFTERNOON.  
* RIDGE TOP........LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH IN THE  
AFTERNOON.  
* HAINES INDEX.......4.  
* LAL................4.  
* CHC WETTING RAIN...25%.  
* MIXING HEIGHT......2400-3400 FT AGL INCREASING TO 6700-7700 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH IN THE  
AFTERNOON.  
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........SHOWERS LIKELY IN THE EVENING. CHANCE OF  
THUNDERSTORMS.  
* MIN TEMPERATURE....  
* VALLEYS..........46-56.  
* MID SLOPE........55-65.  
* 24 HR TREND......5 DEGREES COOLER.  
* MAX HUMIDITY.......  
* VALLEYS..........72-82%.  
* MID SLOPE........55-65%.  
* 24 HR TREND......25% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....WEST WINDS 9 TO 14 MPH IN THE EVENING BECOMING  
DOWNSLOPE 2 TO 5 MPH.  
* RIDGE TOP........LIGHT WINDS.  
* HAINES INDEX.......3.  
* LAL................4.  
* CHC WETTING RAIN...20%.  
* MIXING HEIGHT......2500-3500 FT AGL DECREASING TO 600 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....WEST 10 TO 15 MPH IN THE EVENING BECOMING  
LIGHT.  
* VENTILATION........VERY GOOD DECREASING TO POOR AFTER MIDNIGHT.  
   
THURSDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF THUNDERSTORMS.  
* MAX TEMPERATURE....  
* VALLEYS..........80-90.  
* MID SLOPE........73-83.  
* MIN HUMIDITY.......  
* VALLEYS..........16-26%.  
* MID SLOPE........16-26%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTHWEST 7 TO 12  
MPH LATE IN THE AFTERNOON.  
* RIDGE TOP........LIGHT WINDS BECOMING NORTHWEST 10 TO 15 MPH LATE  
IN THE AFTERNOON.  
* HAINES INDEX.......4.  
* LAL................4.  
* CHC WETTING RAIN...5%.  
* MIXING HEIGHT......1500-2000 FT AGL INCREASING TO 6300-7300 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........FAIR INCREASING TO VERY GOOD IN THE AFTERNOON.  
 
   
EXTENDED
 
   
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN CLEARING. SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 46-56. NORTHWEST WINDS  
9 TO 14 MPH IN THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.    
FRIDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 82-92. LOWS  
46-56. SLOPE WINDS.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 84-94. LOWS 48-58. WEST WINDS 10 TO  
15 MPH.    
SUNDAY
 
CLEAR. HIGHS 84-94. LOWS 46-56. WEST WINDS 10 TO 15 MPH.    
MONDAY THROUGH TUESDAY
 
CLEAR. HIGHS 83-93. LOWS 45-55.  
 

 
 
CAZ272-180100-  
GREATER LAKE TAHOE AND TRUCKEE AREA-  
320 AM PDT WED AUG 17 2022  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS.  
* MAX TEMPERATURE....  
* VALLEYS..........74-84.  
* MID SLOPE........73-83.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........23-33%.  
* MID SLOPE........22-32%.  
* 24 HR TREND......10% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........LIGHT WINDS.  
* HAINES INDEX.......4.  
* LAL................4.  
* CHC WETTING RAIN...5%.  
* MIXING HEIGHT......2100-3100 FT AGL INCREASING TO 6100-7100 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS.  
* MIN TEMPERATURE....  
* VALLEYS..........47-57.  
* MID SLOPE........48-58.  
* 24 HR TREND......5 DEGREES COOLER.  
* MAX HUMIDITY.......  
* VALLEYS..........84-94%.  
* MID SLOPE........62-72%.  
* 24 HR TREND......26% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.  
* RIDGE TOP........LIGHT WINDS.  
* HAINES INDEX.......3.  
* LAL................4.  
* CHC WETTING RAIN...15%.  
* MIXING HEIGHT......1900-2900 FT AGL DECREASING TO 600 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....WEST 10 TO 15 MPH IN THE EVENING BECOMING  
LIGHT.  
* VENTILATION........GOOD DECREASING TO POOR AFTER MIDNIGHT.  
   
THURSDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........72-82.  
* MID SLOPE........71-81.  
* MIN HUMIDITY.......  
* VALLEYS..........24-34%.  
* MID SLOPE........27-37%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........LIGHT WINDS.  
* HAINES INDEX.......3.  
* LAL................4.  
* CHC WETTING RAIN...5%.  
* MIXING HEIGHT......1100-1600 FT AGL INCREASING TO 6000-7000 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE  
AFTERNOON.  
 
   
EXTENDED
 
   
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING CLEAR.  
LOWS 48-58. DOWNSLOPE 2 TO 5 MPH.    
FRIDAY
 
CLEAR. HIGHS 75-85. LOWS 48-58. SLOPE WINDS.    
SATURDAY
 
CLEAR. HIGHS 76-86. LOWS 49-59. SLOPE WINDS.    
SUNDAY
 
CLEAR. HIGHS 75-85. LOWS 45-55. SLOPE WINDS.    
MONDAY THROUGH TUESDAY
 
CLEAR. HIGHS 74-84. LOWS 45-55.  
 

 
 
NVZ423-180100-  
WEST HUMBOLDT BASIN IN PERSHING COUNTY-  
320 AM PDT WED AUG 17 2022  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE  
MORNING.  
* MAX TEMPERATURE....  
* VALLEYS..........95-101.  
* MID SLOPE........90-100.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........10-15%.  
* MID SLOPE........10-15%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........EAST WINDS 10 TO 15 MPH.  
* HAINES INDEX.......5.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......1400-1900 FT AGL INCREASING TO 10200-11200 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS.  
* MIN TEMPERATURE....  
* VALLEYS..........63-69.  
* MID SLOPE........62-68.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........65-75%.  
* MID SLOPE........58-68%.  
* 24 HR TREND......29% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 14 MPH WITH GUSTS TO 25  
MPH.  
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH.  
* HAINES INDEX.......5.  
* LAL................4.  
* CHC WETTING RAIN...15%.  
* MIXING HEIGHT......6400-7400 FT AGL DECREASING TO 1000-1500 FT  
AGL AFTER MIDNIGHT.  
* TRANSPORT WINDS....WEST 10 TO 15 MPH INCREASING TO 20 TO 30 MPH  
AFTER MIDNIGHT.  
* VENTILATION........EXCELLENT DECREASING TO GOOD AFTER MIDNIGHT.  
   
THURSDAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
CHANCE OF THUNDERSTORMS.  
* MAX TEMPERATURE....  
* VALLEYS..........87-93.  
* MID SLOPE........81-91.  
* MIN HUMIDITY.......  
* VALLEYS..........17-27%.  
* MID SLOPE........18-28%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTH WINDS 7 TO 12 MPH.  
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH.  
* HAINES INDEX.......3.  
* LAL................4.  
* CHC WETTING RAIN...25%.  
* MIXING HEIGHT......1100-1600 FT AGL INCREASING TO 5000-6000 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.  
* VENTILATION........MARGINAL INCREASING TO VERY GOOD IN THE  
AFTERNOON.  
 
   
EXTENDED
 
   
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN CLEARING. SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 60-67. NORTHWEST WINDS  
9 TO 14 MPH UNTIL EARLY MORNING BECOMING DOWNSLOPE 2 TO 5 MPH.    
FRIDAY
 
CLEAR. HIGHS 89-95. LOWS 59-68. SLOPE WINDS.    
SATURDAY
 
CLEAR. HIGHS 92-98. LOWS 59-69. SLOPE WINDS.    
SUNDAY
 
CLEAR. HIGHS 93-99. LOWS 59-69. WEST WINDS 10 TO 15 MPH.    
MONDAY THROUGH TUESDAY
 
CLEAR. HIGHS 90-97. LOWS 57-67.  
 

 
 
NVZ429-180100-  
LAHONTAN BASIN INCLUDING CHURCHILL AND EASTERN MINERAL COUNTIES-  
320 AM PDT WED AUG 17 2022  
   
TODAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE  
MORNING. SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........90-100.  
* MID SLOPE........85-95.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........12-20%.  
* MID SLOPE........14-22%.  
* 24 HR TREND......4% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 8 TO 13 MPH  
WITH GUSTS TO 20 MPH IN THE AFTERNOON.  
* RIDGE TOP........LIGHT WINDS BECOMING SOUTHEAST 10 TO 15 MPH IN  
THE LATE MORNING AND AFTERNOON.  
* HAINES INDEX.......4-5.  
* LAL................2.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......1700-2200 FT AGL INCREASING TO 9200-10200 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS.  
* MIN TEMPERATURE....  
* VALLEYS..........58-68.  
* MID SLOPE........58-68.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........70-80%.  
* MID SLOPE........57-67%.  
* 24 HR TREND......26% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....WEST WINDS 9 TO 15 MPH DECREASING TO 5 TO 10 MPH  
IN THE MORNING. GUSTS TO 25 MPH UNTIL EARLY  
MORNING.  
* RIDGE TOP........WEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.  
* HAINES INDEX.......3.  
* LAL................4.  
* CHC WETTING RAIN...20%.  
* MIXING HEIGHT......4400-5400 FT AGL DECREASING TO 800-1300 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....WEST 10 TO 20 MPH.  
* VENTILATION........EXCELLENT DECREASING TO FAIR AFTER MIDNIGHT.  
   
THURSDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS  
.  
* MAX TEMPERATURE....  
* VALLEYS..........84-93.  
* MID SLOPE........80-90.  
* MIN HUMIDITY.......  
* VALLEYS..........16-24%.  
* MID SLOPE........17-26%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTHWEST 5 TO 10  
MPH LATE IN THE AFTERNOON.  
* RIDGE TOP........LIGHT WINDS BECOMING SOUTHEAST 10 TO 15 MPH IN  
THE LATE MORNING AND EARLY AFTERNOON, THEN  
BECOMING LIGHT LATE IN THE AFTERNOON.  
* HAINES INDEX.......3.  
* LAL................2.  
* CHC WETTING RAIN...20%.  
* MIXING HEIGHT......900-1400 FT AGL INCREASING TO 5400-6400 FT AGL  
IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........MARGINAL INCREASING TO VERY GOOD IN THE  
AFTERNOON.  
 
   
EXTENDED
 
   
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN CLEARING. SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 59-69. NORTHWEST WINDS  
9 TO 14 MPH.    
FRIDAY
 
CLEAR. HIGHS 86-94. LOWS 59-69. NORTHWEST WINDS 10 TO  
15 MPH.    
SATURDAY
 
CLEAR. HIGHS 89-98. LOWS 59-69. SLOPE WINDS.    
SUNDAY
 
CLEAR. HIGHS 89-99. LOWS 58-68. WEST WINDS 10 TO 15 MPH.    
MONDAY THROUGH TUESDAY
 
CLEAR. HIGHS 88-97. LOWS 57-67.  
 

 
 
CAZ270-278-NVZ458-180100-  
SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY-  
NORTHERN WASHOE COUNTY-  
320 AM PDT WED AUG 17 2022  
 
...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 AM PDT  
THURSDAY FOR ABUNDANT LIGHTNING ON DRY FUELS...  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE  
MORNING. SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........89-99.  
* MID SLOPE........86-94.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........11-17%.  
* MID SLOPE........11-17%.  
* 24 HR TREND......5% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 8 TO 13 MPH.  
* RIDGE TOP........NORTHEAST WINDS 10 TO 15 MPH.  
* HAINES INDEX.......4-5.  
* LAL................2.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......1500-2500 FT AGL INCREASING TO 9700-10700 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH IN THE  
AFTERNOON.  
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........CLOUDY. CHANCE OF THUNDERSTORMS.  
* MIN TEMPERATURE....  
* VALLEYS..........55-65.  
* MID SLOPE........57-65.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........67-77%.  
* MID SLOPE........53-63%.  
* 24 HR TREND......30% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....WEST WINDS 9 TO 15 MPH WITH GUSTS TO 25 MPH.  
* RIDGE TOP........WEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.  
* HAINES INDEX.......4.  
* LAL................4.  
* CHC WETTING RAIN...20%.  
* MIXING HEIGHT......5400-6400 FT AGL DECREASING TO 700-1200 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....WEST 15 TO 25 MPH.  
* VENTILATION........EXCELLENT DECREASING TO FAIR AFTER MIDNIGHT.  
   
THURSDAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS.  
* MAX TEMPERATURE....  
* VALLEYS..........82-92.  
* MID SLOPE........78-86.  
* MIN HUMIDITY.......  
* VALLEYS..........19-27%.  
* MID SLOPE........21-29%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 7 TO 12  
MPH WITH GUSTS TO 20 MPH IN THE AFTERNOON.  
* RIDGE TOP........LIGHT WINDS.  
* HAINES INDEX.......3.  
* LAL................4.  
* CHC WETTING RAIN...15%.  
* MIXING HEIGHT......1100-1600 FT AGL INCREASING TO 5500-6500 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........FAIR INCREASING TO VERY GOOD IN THE AFTERNOON.  
 
   
EXTENDED
 
   
THURSDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE  
EVENING. LOWS 51-61. NORTHWEST WINDS 9 TO 14 MPH UNTIL EARLY MORNING  
BECOMING DOWNSLOPE 2 TO 5 MPH.    
FRIDAY
 
CLEAR. HIGHS 86-96. LOWS 51-61. SLOPE WINDS.    
SATURDAY
 
CLEAR. HIGHS 88-98. LOWS 51-61. SLOPE WINDS.    
SUNDAY
 
CLEAR. HIGHS 87-97. LOWS 48-58. WEST WINDS 10 TO 15 MPH.    
MONDAY
 
CLEAR. HIGHS 85-95. LOWS 47-57.    
TUESDAY
 
SUNNY. HIGHS 86-95.  
 

 
 
CAZ271-180100-  
WESTERN LASSEN, EASTERN PLUMAS, AND EASTERN SIERRA COUNTIES-  
320 AM PDT WED AUG 17 2022  
 
...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 AM PDT  
THURSDAY FOR ABUNDANT LIGHTNING ON DRY FUELS...  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE  
MORNING. SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........84-94.  
* MID SLOPE........82-90.  
* 24 HR TREND......4 DEGREES COOLER.  
* MIN HUMIDITY.......  
* VALLEYS..........15-25%.  
* MID SLOPE........16-24%.  
* 24 HR TREND......8% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 7 TO 12 MPH  
WITH GUSTS TO 20 MPH IN THE AFTERNOON.  
* RIDGE TOP........LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH WITH  
GUSTS TO 20 MPH IN THE AFTERNOON.  
* HAINES INDEX.......4-5.  
* LAL................2.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......1900-2900 FT AGL INCREASING TO 7800-8800 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH IN  
THE AFTERNOON.  
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS.  
* MIN TEMPERATURE....  
* VALLEYS..........46-56.  
* MID SLOPE........53-63.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........72-82%.  
* MID SLOPE........54-64%.  
* 24 HR TREND......30% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....WEST WINDS 9 TO 14 MPH IN THE EVENING BECOMING  
DOWNSLOPE 2 TO 5 MPH.  
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH UNTIL EARLY MORNING  
BECOMING LIGHT.  
* HAINES INDEX.......3-4.  
* LAL................4.  
* CHC WETTING RAIN...20%.  
* MIXING HEIGHT......2200-3200 FT AGL DECREASING TO 600-1000 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....WEST 10 TO 15 MPH.  
* VENTILATION........VERY GOOD DECREASING TO MARGINAL AFTER  
MIDNIGHT.  
   
THURSDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF THUNDERSTORMS.  
* MAX TEMPERATURE....  
* VALLEYS..........81-91.  
* MID SLOPE........78-86.  
* MIN HUMIDITY.......  
* VALLEYS..........22-32%.  
* MID SLOPE........24-32%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 5 TO 10 MPH  
WITH GUSTS TO 20 MPH LATE IN THE AFTERNOON.  
* RIDGE TOP........LIGHT WINDS.  
* HAINES INDEX.......3.  
* LAL................4.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......1000-1500 FT AGL INCREASING TO 6500-7500 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE  
AFTERNOON.  
 
   
EXTENDED
 
   
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN CLEARING. SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 46-56. WEST WINDS 8 TO  
13 MPH IN THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.    
FRIDAY
 
CLEAR. HIGHS 84-94. LOWS 46-56. SLOPE WINDS.    
SATURDAY
 
CLEAR. HIGHS 85-95. LOWS 46-56. SLOPE WINDS.    
SUNDAY
 
CLEAR. HIGHS 82-92. LOWS 43-53. SOUTHWEST WINDS 10 TO  
15 MPH.    
MONDAY THROUGH TUESDAY
 
CLEAR. HIGHS 81-91. LOWS 43-53.  
 

 
 
CAZ274-180100-  
SOUTHERN MONO COUNTY-  
320 AM PDT WED AUG 17 2022  
   
TODAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. CHANCE OF THUNDERSTORMS.  
SHOWERS LIKELY IN THE AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........75-85.  
* MID SLOPE........71-81.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........20-30%.  
* MID SLOPE........22-32%.  
* 24 HR TREND......7% WETTER.  
* 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........SOUTH WINDS 10 TO 15 MPH.  
* HAINES INDEX.......3-4.  
* LAL................4.  
* CHC WETTING RAIN...25%.  
* MIXING HEIGHT......2300-3300 FT AGL INCREASING TO 6000-7000 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHEAST 10 TO 15 MPH IN  
THE AFTERNOON.  
* VENTILATION........GOOD INCREASING TO VERY GOOD IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS.  
* MIN TEMPERATURE....  
* VALLEYS..........47-57.  
* MID SLOPE........48-58.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........75-85%.  
* MID SLOPE........58-68%.  
* 24 HR TREND......18% WETTER.  
* 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........LIGHT WINDS.  
* HAINES INDEX.......3.  
* LAL................4.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......2100-3100 FT AGL DECREASING TO 600 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....WEST 10 TO 15 MPH IN THE EVENING BECOMING  
LIGHT.  
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.  
   
THURSDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
CHANCE OF THUNDERSTORMS.  
* MAX TEMPERATURE....  
* VALLEYS..........75-85.  
* MID SLOPE........71-81.  
* MIN HUMIDITY.......  
* VALLEYS..........16-26%.  
* MID SLOPE........19-29%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING WEST 5 TO 10 MPH  
WITH GUSTS TO 20 MPH LATE IN THE AFTERNOON.  
* RIDGE TOP........NORTHWEST WINDS 10 TO 15 MPH.  
* HAINES INDEX.......3-4.  
* LAL................4.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......1400-1900 FT AGL INCREASING TO 6700-7700 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........FAIR INCREASING TO VERY GOOD IN THE AFTERNOON.  
 
   
EXTENDED
 
   
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN CLEARING. SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 48-58. NORTHWEST WINDS  
9 TO 14 MPH IN THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.    
FRIDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS  
76-86. LOWS 48-58. SLOPE WINDS.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 78-88. LOWS 48-58. SLOPE WINDS.    
SUNDAY
 
CLEAR. HIGHS 78-88. LOWS 48-58. SLOPE WINDS.    
MONDAY THROUGH TUESDAY
 
CLEAR. HIGHS 79-89. LOWS 47-57.  
 

 
 
.8 TO 14 DAY OUTLOOK FOR (WED AUG 24 THROUGH TUE AUG 30)  
ABOVE NORMAL TEMPERATURES AND NEAR NORMAL PRECIPITATION.  
 
=  

 
 
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