356  
FNUS55 KREV 261102  
FWFREV  
 
FIRE WEATHER PLANNING FORECAST  
NATIONAL WEATHER SERVICE RENO NV  
402 AM PDT THU APR 26 2018  
   
..CHANCES FOR THUNDERSTORMS THIS AFTERNOON AND EVENING
 
 
   
DISCUSSION
 
 
NEAR RECORD HIGH TEMPERATURES ONCE AGAIN TODAY BEFORE CONDITIONS COOL  
THIS WEEKEND. THERE ARE CHANCES FOR THUNDERSTORMS TODAY ALONG THE  
EASTERN SIERRA AND WESTERN NEVADA SIERRA FRONT THIS AFTERNOON  
EXPANDING NORTH INTO NORTHEAST CALIFORNIA THIS EVENING. ADDITIONAL  
SHOWERS WITH A SLIGHT CHANCE FOR THUNDERSTORMS CAN BE EXPECTED FOR  
THE WEEKEND. DRIER AND WARMER CONDITIONS LOOK LIKELY BY THE MIDDLE OF  
NEXT WEEK.  
 
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  
 
NVZ450-270130-  
WESTERN NEVADA SIERRA FRONT-  
402 AM PDT THU APR 26 2018  
   
TODAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........79-85.  
* MID SLOPE........74-84.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........12-20%.  
* MID SLOPE........12-22%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....WEST WINDS AROUND 10 MPH SHIFTING TO THE EAST  
WITH GUSTS TO 20 MPH IN THE AFTERNOON.  
* RIDGE TOP........NORTHEAST WINDS 10 TO 15 MPH. GUSTS TO 20 MPH IN  
THE AFTERNOON.  
* HAINES INDEX.......3-4.  
* LAL................3.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......1900-2500 FT AGL INCREASING TO 7700-8700 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHEAST 10 TO 15 MPH.  
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF THUNDERSTORMS AND ISOLATED  
SHOWERS.  
* MIN TEMPERATURE....  
* VALLEYS..........43-53.  
* MID SLOPE........45-55.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........63-73%.  
* MID SLOPE........53-63%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 10 TO 15 MPH. GUSTS TO 30 MPH IN  
THE EVENING.  
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 30  
MPH.  
* HAINES INDEX.......3-4.  
* LAL................2.  
* CHC WETTING RAIN...20%.  
* MIXING HEIGHT......6600-7600 FT AGL IN THE EVENING THEN 200-500  
FT AGL.  
* TRANSPORT WINDS....SOUTH AROUND 10 MPH.  
* VENTILATION........GOOD.  
   
FRIDAY
 
 
* SKY/WEATHER........SUNNY.  
* MAX TEMPERATURE....  
* VALLEYS..........65-73.  
* MID SLOPE........60-70.  
* MIN HUMIDITY.......  
* VALLEYS..........15-23%.  
* MID SLOPE........15-24%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO 20  
MPH INCREASING TO 15 TO 25 MPH WITH GUSTS TO  
40 MPH IN THE AFTERNOON.  
* RIDGE TOP........SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 45  
MPH INCREASING TO 25 TO 35 MPH WITH GUSTS TO  
60 MPH IN THE AFTERNOON.  
* HAINES INDEX.......3-4.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......1200 FT AGL INCREASING TO 5700-6700 FT AGL IN  
THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH INCREASING TO SOUTH 20  
TO 30 MPH IN THE AFTERNOON.  
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.  
 
   
EXTENDED
 
   
FRIDAY NIGHT
 
CLEAR. LOWS 33-41. SOUTHWEST WINDS 15 TO 25 MPH  
DECREASING TO AROUND 10 MPH AFTER MIDNIGHT.    
SATURDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 55-61. LOWS 31-41. WEST WINDS 15 TO 20 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS.  
HIGHS 54-62. LOWS 30-40. NORTHWEST WINDS 15 TO 20 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 59-65. LOWS 32-42.    
WEDNESDAY
 
SUNNY. HIGHS 66-72.  
 

 
 
CAZ272-270130-  
GREATER LAKE TAHOE AREA-  
402 AM PDT THU APR 26 2018  
   
TODAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........61-71.  
* MID SLOPE........61-69.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........22-32%.  
* MID SLOPE........22-32%.  
* 24 HR TREND......6% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHEAST AROUND 10  
MPH IN THE AFTERNOON.  
* RIDGE TOP........SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO 25  
MPH.  
* HAINES INDEX.......3-4.  
* LAL................2.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......1800-2300 FT AGL INCREASING TO 7000-8000 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHEAST 10 TO 15 MPH.  
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE....  
* VALLEYS..........37-47.  
* MID SLOPE........37-46.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........75-85%.  
* MID SLOPE........60-70%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 10 TO 15 MPH.  
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 30  
MPH INCREASING TO SOUTH 20 TO 30 MPH WITH  
GUSTS TO 50 MPH AFTER MIDNIGHT.  
* HAINES INDEX.......3.  
* LAL................2.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......3800-4800 FT AGL IN THE EVENING THEN 200-500  
FT AGL.  
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.  
* VENTILATION........GOOD.  
   
FRIDAY
 
 
* SKY/WEATHER........SUNNY.  
* MAX TEMPERATURE....  
* VALLEYS..........51-59.  
* MID SLOPE........44-54.  
* MIN HUMIDITY.......  
* VALLEYS..........26-36%.  
* MID SLOPE........27-37%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO 20  
MPH INCREASING TO 15 TO 20 MPH WITH GUSTS TO  
35 MPH IN THE AFTERNOON.  
* RIDGE TOP........SOUTH WINDS 25 TO 35 MPH INCREASING TO SOUTHWEST  
35 TO 50 MPH IN THE AFTERNOON. GUSTS TO 70  
MPH.  
* HAINES INDEX.......3-4.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......1100 FT AGL INCREASING TO 4100-5100 FT AGL IN  
THE AFTERNOON.  
* TRANSPORT WINDS....SOUTH 20 TO 30 MPH.  
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.  
 
   
EXTENDED
 
   
FRIDAY NIGHT
 
CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY.  
LOWS 25-35. SOUTHWEST WINDS 15 TO 20 MPH DECREASING TO AROUND 10 MPH  
AFTER MIDNIGHT.    
SATURDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 43-50. LOWS 25-35. SOUTHWEST WINDS 10 TO  
15 MPH.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS  
45-54. LOWS 24-34. WEST WINDS 10 TO 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 50-57.  
LOWS 25-35.    
WEDNESDAY
 
SUNNY. HIGHS 55-64.  
 

 
 
NVZ453-270130-  
WEST CENTRAL NEVADA BASIN AND RANGE-  
402 AM PDT THU APR 26 2018  
   
TODAY
 
 
* SKY/WEATHER........SUNNY THEN BECOMING PARTLY CLOUDY.  
* MAX TEMPERATURE....  
* VALLEYS..........78-88.  
* MID SLOPE........76-86.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........7-17%.  
* MID SLOPE........9-15%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....NORTHEAST WINDS 10 TO 15 MPH. GUSTS TO 20 MPH IN  
THE AFTERNOON.  
* RIDGE TOP........EAST WINDS 10 TO 15 MPH.  
* HAINES INDEX.......4.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......2200-3200 FT AGL INCREASING TO 7500-8500 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....EAST 10 TO 15 MPH.  
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS.  
ISOLATED SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE....  
* VALLEYS..........46-56.  
* MID SLOPE........45-54.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........58-68%.  
* MID SLOPE........50-60%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....EAST WINDS AROUND 10 MPH SHIFTING TO THE  
SOUTHWEST AFTER MIDNIGHT. GUSTS TO 25 MPH.  
* RIDGE TOP........SOUTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO 30  
MPH.  
* HAINES INDEX.......3-4.  
* LAL................2.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......8800-9800 FT AGL IN THE EVENING THEN 200-500  
FT AGL.  
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.  
* VENTILATION........EXCELLENT DECREASING TO POOR AFTER MIDNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.  
* MAX TEMPERATURE....  
* VALLEYS..........70-80.  
* MID SLOPE........67-77.  
* MIN HUMIDITY.......  
* VALLEYS..........11-21%.  
* MID SLOPE........12-22%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....WEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH  
BECOMING 10 TO 20 MPH WITH GUSTS TO 35 MPH IN  
THE AFTERNOON.  
* RIDGE TOP........WEST WINDS 15 TO 25 MPH. GUSTS TO 30 MPH  
INCREASING TO 45 MPH IN THE AFTERNOON.  
* HAINES INDEX.......3.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......1300 FT AGL INCREASING TO 5800-6800 FT AGL IN  
THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.  
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.  
 
   
EXTENDED
 
   
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS  
35-44. WEST WINDS 15 TO 25 MPH DECREASING TO 10 TO 15 MPH AFTER  
MIDNIGHT.    
SATURDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS 56-66. LOWS 34-44. WEST WINDS 15 TO 20 MPH.    
SUNDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.  
HIGHS 55-65. LOWS 33-43. WEST WINDS 10 TO 15 MPH.    
MONDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 55-65. LOWS  
32-42. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 59-67.  
LOWS 32-42.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS 66-74.  
 

 
 
CAZ270-278-NVZ458-270130-  
SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY-  
NORTHERN WASHOE COUNTY-  
402 AM PDT THU APR 26 2018  
   
TODAY
 
 
* SKY/WEATHER........SUNNY THEN BECOMING PARTLY CLOUDY WITH ISOLATED  
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........75-85.  
* MID SLOPE........71-81.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........9-19%.  
* MID SLOPE........10-18%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING EAST 10 TO 15 MPH  
WITH GUSTS TO 25 MPH IN THE AFTERNOON.  
* RIDGE TOP........EAST WINDS 10 TO 15 MPH. GUSTS TO 30 MPH IN THE  
AFTERNOON.  
* HAINES INDEX.......4.  
* LAL................2.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......1900-2900 FT AGL INCREASING TO 6600-7600 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHEAST 10 TO 15 MPH.  
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING. SLIGHT CHANCE OF  
THUNDERSTORMS AND ISOLATED SHOWERS AFTER  
MIDNIGHT.  
* MIN TEMPERATURE....  
* VALLEYS..........43-53.  
* MID SLOPE........42-52.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........65-75%.  
* MID SLOPE........54-64%.  
* 24 HR TREND......6% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHEAST WINDS 10 TO 15 MPH SHIFTING TO THE  
WEST AFTER MIDNIGHT. GUSTS TO 25 MPH.  
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.  
* HAINES INDEX.......3-4.  
* LAL................3.  
* CHC WETTING RAIN...15%.  
* MIXING HEIGHT......7400-8400 FT AGL IN THE EVENING THEN 200-500  
FT AGL.  
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.  
* VENTILATION........EXCELLENT DECREASING TO POOR AFTER MIDNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
ISOLATED SHOWERS IN THE MORNING.  
* MAX TEMPERATURE....  
* VALLEYS..........61-71.  
* MID SLOPE........57-67.  
* MIN HUMIDITY.......  
* VALLEYS..........10-20%.  
* MID SLOPE........10-20%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO 25  
MPH INCREASING TO 15 TO 25 MPH WITH GUSTS TO  
40 MPH IN THE AFTERNOON.  
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH INCREASING TO 25 TO  
35 MPH IN THE AFTERNOON. GUSTS TO 45 MPH.  
* HAINES INDEX.......3-4.  
* LAL................1.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......1300 FT AGL INCREASING TO 5600-6600 FT AGL IN  
THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHWEST 15 TO 20 MPH SHIFTING TO THE SOUTH  
20 TO 30 MPH IN THE AFTERNOON.  
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.  
 
   
EXTENDED
 
   
FRIDAY NIGHT
 
CLEAR IN THE EVENING THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. SLIGHT CHANCE OF  
SHOWERS AFTER MIDNIGHT. LOWS 31-41. SOUTHWEST WINDS 15 TO 25 MPH  
DECREASING TO 10 TO 15 MPH AFTER MIDNIGHT.    
SATURDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.  
HIGHS 50-60. LOWS 30-40. WEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. HIGHS 49-59. LOWS 29-39. WEST WINDS 10 TO 15 MPH.    
MONDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 51-61. LOWS  
28-38. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. HIGHS 56-66. LOWS 28-38.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS 63-73.  
 

 
 
CAZ271-270130-  
WESTERN LASSEN/EASTERN PLUMAS/EASTERN SIERRA/EASTERN NEVADA COUNTIES-  
402 AM PDT THU APR 26 2018  
   
TODAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........72-82.  
* MID SLOPE........69-79.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........17-27%.  
* MID SLOPE........16-26%.  
* 24 HR TREND......6% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHEAST 10 TO 15  
MPH WITH GUSTS TO 25 MPH IN THE AFTERNOON.  
* RIDGE TOP........SOUTHEAST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN  
THE AFTERNOON.  
* HAINES INDEX.......3-4.  
* LAL................2.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......2100-2600 FT AGL INCREASING TO 6500-7500 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....EAST AROUND 10 MPH SHIFTING TO THE SOUTHEAST  
15 TO 20 MPH IN THE AFTERNOON.  
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SCATTERED SHOWERS AND THUNDERSTORMS IN THE  
EVENING, THEN SLIGHT CHANCE OF THUNDERSTORMS  
AND ISOLATED SHOWERS AFTER MIDNIGHT.  
* MIN TEMPERATURE....  
* VALLEYS..........38-48.  
* MID SLOPE........39-49.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........75-85%.  
* MID SLOPE........68-78%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 10 TO 15 MPH. GUSTS TO 20 MPH IN  
THE EVENING.  
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH. GUSTS TO 35 MPH  
AFTER MIDNIGHT.  
* HAINES INDEX.......3.  
* LAL................3.  
* CHC WETTING RAIN...15%.  
* MIXING HEIGHT......4700-5700 FT AGL DECREASING TO 600-1100 FT AGL  
AFTER MIDNIGHT.  
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.  
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING SUNNY.  
* MAX TEMPERATURE....  
* VALLEYS..........56-66.  
* MID SLOPE........52-62.  
* MIN HUMIDITY.......  
* VALLEYS..........20-30%.  
* MID SLOPE........20-30%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 10 TO 20 MPH. GUSTS TO 35 MPH IN  
THE AFTERNOON.  
* RIDGE TOP........SOUTHWEST WINDS 20 TO 30 MPH. GUSTS TO 45 MPH  
INCREASING TO 60 MPH IN THE AFTERNOON.  
* HAINES INDEX.......3-4.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......1200-1700 FT AGL INCREASING TO 5000-6000 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTH 20 TO 30 MPH.  
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.  
 
   
EXTENDED
 
   
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. CHANCE OF  
SHOWERS. LOWS 27-37. SOUTHWEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.  
HIGHS 46-56. LOWS 26-36. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS. HIGHS 47-57. LOWS 25-35. WEST WINDS 10 TO 15 MPH.    
MONDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 51-61. LOWS  
24-34. NORTHWEST WINDS AROUND 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. HIGHS 57-65. LOWS 24-34.    
WEDNESDAY
 
SUNNY. HIGHS 64-74.  
 

 
 
CAZ273-270130-  
MONO AND EASTERN ALPINE COUNTIES-  
402 AM PDT THU APR 26 2018  
   
TODAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........69-79.  
* MID SLOPE........63-73.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........8-18%.  
* MID SLOPE........8-18%.  
* 24 HR TREND......6% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTH WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN THE  
AFTERNOON.  
* RIDGE TOP........SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO 30  
MPH.  
* HAINES INDEX.......3-4.  
* LAL................2.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......2000-2600 FT AGL INCREASING TO 7700-8700 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHEAST 10 TO 15 MPH.  
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING CLEAR. ISOLATED  
SHOWERS AND THUNDERSTORMS IN THE EVENING.  
* MIN TEMPERATURE....  
* VALLEYS..........35-45.  
* MID SLOPE........37-45.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........65-75%.  
* MID SLOPE........52-62%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25  
MPH.  
* RIDGE TOP........SOUTH WINDS 15 TO 25 MPH. GUSTS TO 30 MPH  
INCREASING TO 45 MPH AFTER MIDNIGHT.  
* HAINES INDEX.......3-4.  
* LAL................2.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......6100-7100 FT AGL IN THE EVENING THEN 200-500  
FT AGL.  
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.  
* VENTILATION........VERY GOOD DECREASING TO POOR AFTER MIDNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER........SUNNY.  
* MAX TEMPERATURE....  
* VALLEYS..........62-72.  
* MID SLOPE........54-64.  
* MIN HUMIDITY.......  
* VALLEYS..........6-16%.  
* MID SLOPE........6-16%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO 25  
MPH INCREASING TO 15 TO 20 MPH WITH GUSTS TO  
35 MPH IN THE AFTERNOON.  
* RIDGE TOP........SOUTH WINDS 20 TO 30 MPH INCREASING TO SOUTHWEST  
30 TO 40 MPH IN THE AFTERNOON. GUSTS TO 65  
MPH.  
* HAINES INDEX.......3.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......1200 FT AGL INCREASING TO 5200-6200 FT AGL IN  
THE AFTERNOON.  
* TRANSPORT WINDS....SOUTH 15 TO 25 MPH.  
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.  
 
   
EXTENDED
 
   
FRIDAY NIGHT
 
CLEAR. LOWS 26-36. SOUTHWEST WINDS 10 TO 20 MPH.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 51-61. LOWS 24-34. SOUTHWEST WINDS  
10 TO 15 MPH.    
SUNDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 53-63. LOWS  
24-34. WEST WINDS 10 TO 15 MPH.    
MONDAY
 
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 52-62. LOWS 24-34.  
NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
PARTLY CLOUDY. CHANCE OF SNOW SHOWERS AND A SLIGHT CHANCE  
OF THUNDERSTORMS. HIGHS 52-62. LOWS 24-34.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS 59-69.  
 

 
 
NVZ459-270130-  
MINERAL AND SOUTHERN LYON COUNTIES-  
402 AM PDT THU APR 26 2018  
   
TODAY
 
 
* SKY/WEATHER........PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........78-88.  
* MID SLOPE........75-85.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........7-13%.  
* MID SLOPE........8-13%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHEAST AROUND 10  
MPH WITH GUSTS TO 25 MPH IN THE AFTERNOON.  
* RIDGE TOP........EAST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN THE  
AFTERNOON.  
* HAINES INDEX.......4.  
* LAL................2.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......2300-2900 FT AGL INCREASING TO 7900-8900 FT  
AGL IN THE AFTERNOON.  
* TRANSPORT WINDS....SOUTHEAST 10 TO 15 MPH.  
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
ISOLATED SHOWERS IN THE EVENING. SLIGHT CHANCE  
OF THUNDERSTORMS.  
* MIN TEMPERATURE....  
* VALLEYS..........46-56.  
* MID SLOPE........44-54.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........51-61%.  
* MID SLOPE........38-48%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTH WINDS 10 TO 15 MPH. GUSTS TO 30 MPH IN THE  
EVENING.  
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO 35 MPH.  
* HAINES INDEX.......3-4.  
* LAL................2.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......9500-10500 FT AGL IN THE EVENING THEN 200-500  
FT AGL.  
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.  
* VENTILATION........EXCELLENT DECREASING TO POOR AFTER MIDNIGHT.  
   
FRIDAY
 
 
* SKY/WEATHER........SUNNY.  
* MAX TEMPERATURE....  
* VALLEYS..........72-82.  
* MID SLOPE........69-79.  
* MIN HUMIDITY.......  
* VALLEYS..........6-16%.  
* MID SLOPE........6-16%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....WEST WINDS 10 TO 15 MPH. GUSTS TO 20 MPH  
INCREASING TO 30 MPH IN THE AFTERNOON.  
* RIDGE TOP........SOUTHWEST WINDS 15 TO 20 MPH INCREASING TO 20 TO  
30 MPH IN THE AFTERNOON.  
* HAINES INDEX.......3.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......1500 FT AGL INCREASING TO 6900-7900 FT AGL IN  
THE AFTERNOON.  
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.  
* VENTILATION........MARGINAL INCREASING TO EXCELLENT IN THE  
AFTERNOON.  
 
   
EXTENDED
 
   
FRIDAY NIGHT
 
CLEAR. LOWS 34-44. WEST WINDS 15 TO 20 MPH BECOMING  
NORTHWEST 10 TO 15 MPH AFTER MIDNIGHT.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 58-68. LOWS 32-42. NORTHWEST WINDS  
15 TO 20 MPH.    
SUNDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 58-68. LOWS  
31-41. NORTHWEST WINDS 15 TO 20 MPH.    
MONDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 56-66. LOWS  
31-41. NORTHWEST WINDS 15 TO 20 MPH.    
TUESDAY
 
PARTLY CLOUDY. CHANCE OF SNOW SHOWERS AND A SLIGHT CHANCE  
OF THUNDERSTORMS. HIGHS 57-67. LOWS 32-42.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS 64-73.  
 

 
 
.8 TO 14 DAY OUTLOOK FOR (THU MAY 3 THROUGH WED MAY 9)  
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.  
 
=  

 
 
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