489  
FNUS55 KREV 251313  
FWFREV  
 
FIRE WEATHER PLANNING FORECAST  
NATIONAL WEATHER SERVICE RENO NV  
513 AM PST SAT JAN 25 2020  
   
DISCUSSION
 
 
A LOW-PRESSURE STORM SYSTEM WILL MOVE THROUGH NORTHEAST CALIFORNIA,  
THE SIERRA, AND WESTERN NEVADA THIS EVENING THROUGH SUNDAY. THIS WILL  
BRING VALLEY RAIN, MOUNTAIN RAIN AND SNOW, AND BREEZY CONDITIONS. A  
FEW INCHES OF SNOWFALL FOR SIERRA PASSES IS EXPECTED BY SUNDAY  
MORNING. A WEAKER SYSTEM IS POSSIBLE EARLY NEXT WEEK. TEMPERATURES  
WILL REMAIN MOSTLY ABOVE AVERAGE THROUGH 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  
 
NVZ450-260030-  
WESTERN NEVADA SIERRA FRONT-  
513 AM PST SAT JAN 25 2020  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY.  
* MAX TEMPERATURE....  
* VALLEYS..........52-60.  
* MID SLOPE........47-57.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........36-46%.  
* MID SLOPE........39-49%.  
* 24 HR TREND......11% WETTER.  
* 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 1500-2000 FT AGL IN THE  
AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........MARGINAL.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW AFTER  
MIDNIGHT.  
* MIN TEMPERATURE....  
* VALLEYS..........35-44.  
* MID SLOPE........32-42.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........87-97%.  
* MID SLOPE........84-94%.  
* 24 HR TREND......5% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH BECOMING SOUTH 9 TO 14 MPH  
AFTER MIDNIGHT.  
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25  
MPH INCREASING TO 20 TO 30 MPH WITH GUSTS TO  
40 MPH AFTER MIDNIGHT.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...30%.  
* MIXING HEIGHT......600-1000 FT AGL IN THE EVENING THEN 200-500 FT  
AGL.  
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.  
* VENTILATION........POOR.  
   
SUNDAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
CHANCE OF RAIN AND SNOW.  
* MAX TEMPERATURE....  
* VALLEYS..........48-54.  
* MID SLOPE........41-51.  
* MIN HUMIDITY.......  
* VALLEYS..........36-46%.  
* MID SLOPE........38-48%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 14 MPH INCREASING TO WEST  
13 TO 18 MPH WITH GUSTS TO 30 MPH IN THE  
AFTERNOON.  
* RIDGE TOP........WEST WINDS 20 TO 30 MPH WITH GUSTS TO 45 MPH.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...25%.  
* MIXING HEIGHT......200-500 FT AGL THEN 2600-3600 FT AGL IN THE  
AFTERNOON.  
* TRANSPORT WINDS....WEST 10 TO 15 MPH INCREASING TO 15 TO 25 MPH  
IN THE AFTERNOON.  
* VENTILATION........MARGINAL INCREASING TO VERY GOOD IN THE  
AFTERNOON.  
 
   
EXTENDED
 
   
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 27-34. WEST WINDS 9 TO 14 MPH IN  
THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.    
MONDAY
 
PARTLY CLOUDY. HIGHS 50-58. LOWS 27-35. SLOPE WINDS.    
TUESDAY THROUGH WEDNESDAY
 
MOSTLY CLOUDY. HIGHS 48-55. LOWS 25-35.  
WEST WINDS 8 TO 13 MPH.    
THURSDAY
 
MOSTLY CLOUDY. HIGHS 53-59. LOWS 27-37.    
FRIDAY
 
PARTLY CLOUDY. HIGHS 56-62.  
 

 
 
CAZ272-260030-  
GREATER LAKE TAHOE AREA-  
513 AM PST SAT JAN 25 2020  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY.  
* MAX TEMPERATURE....  
* VALLEYS..........43-51.  
* MID SLOPE........39-49.  
* 24 HR TREND......4 DEGREES WARMER.  
* MIN HUMIDITY.......  
* VALLEYS..........52-62%.  
* MID SLOPE........51-61%.  
* 24 HR TREND......9% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH. GUSTS TO 30 MPH  
UNTIL LATE AFTERNOON.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......200-500 FT AGL THEN 1000 FT AGL IN THE  
AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........POOR.  
   
TONIGHT
 
 
* SKY/WEATHER........CHANCE OF RAIN AND A SLIGHT CHANCE OF SNOW AND  
RAIN.  
* MIN TEMPERATURE....  
* VALLEYS..........30-37.  
* MID SLOPE........26-35.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........93-100%.  
* MID SLOPE........92-100%.  
* 24 HR TREND......11% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH BECOMING SOUTHWEST 13 TO 20  
MPH WITH GUSTS TO 30 MPH.  
* RIDGE TOP........SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35  
MPH INCREASING TO 30 TO 45 MPH WITH GUSTS TO  
65 MPH AFTER MIDNIGHT.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...45%.  
* MIXING HEIGHT......200-500 FT AGL.  
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST 15 TO 20 MPH  
AFTER MIDNIGHT.  
* VENTILATION........POOR.  
   
SUNDAY
 
 
* SKY/WEATHER........SNOW AND RAIN IN THE MORNING, THEN CHANCE OF  
SNOW AND RAIN IN THE AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........36-42.  
* MID SLOPE........31-39.  
* MIN HUMIDITY.......  
* VALLEYS..........58-68%.  
* MID SLOPE........54-64%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 13 TO 20 MPH WITH GUSTS TO 30  
MPH.  
* RIDGE TOP........SOUTHWEST WINDS 25 TO 40 MPH. GUSTS TO 55 MPH  
DECREASING TO 40 MPH IN THE AFTERNOON.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...40%.  
* MIXING HEIGHT......600 FT AGL INCREASING TO 1700-2300 FT AGL IN  
THE AFTERNOON.  
* TRANSPORT WINDS....WEST 15 TO 25 MPH.  
* VENTILATION........MARGINAL INCREASING TO GOOD IN THE AFTERNOON.  
 
   
EXTENDED
 
   
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 22-32. SOUTHWEST WINDS 7 TO  
12 MPH IN THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.    
MONDAY
 
PARTLY CLOUDY. HIGHS 39-45. LOWS 22-32. SLOPE WINDS.    
TUESDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. HIGHS 40-46. LOWS  
21-31. SLOPE WINDS.    
WEDNESDAY
 
MOSTLY CLOUDY. HIGHS 42-48. LOWS 21-31. SLOPE WINDS.    
THURSDAY
 
MOSTLY CLOUDY. HIGHS 46-52. LOWS 24-34.    
FRIDAY
 
PARTLY CLOUDY. HIGHS 49-55.  
 

 
 
NVZ453-260030-  
WEST CENTRAL NEVADA BASIN AND RANGE-  
513 AM PST SAT JAN 25 2020  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY.  
* MAX TEMPERATURE....  
* VALLEYS..........52-60.  
* MID SLOPE........47-57.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........28-38%.  
* MID SLOPE........35-45%.  
* 24 HR TREND......9% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN  
THE MORNING.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......200-500 FT AGL THEN 1700-2500 FT AGL IN THE  
AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........MARGINAL.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF RAIN AFTER MIDNIGHT.  
* MIN TEMPERATURE....  
* VALLEYS..........32-42.  
* MID SLOPE........32-42.  
* 24 HR TREND......4 DEGREES WARMER.  
* MAX HUMIDITY.......  
* VALLEYS..........85-95%.  
* MID SLOPE........75-85%.  
* 24 HR TREND......7% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH BECOMING SOUTH 7 TO 12 MPH  
AFTER MIDNIGHT.  
* RIDGE TOP........SOUTH WINDS 15 TO 25 MPH. GUSTS TO 35 MPH AFTER  
MIDNIGHT.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...25%.  
* MIXING HEIGHT......700-1200 FT AGL IN THE EVENING THEN 200-500 FT  
AGL.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........MARGINAL.  
   
SUNDAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW.  
* MAX TEMPERATURE....  
* VALLEYS..........49-57.  
* MID SLOPE........44-54.  
* MIN HUMIDITY.......  
* VALLEYS..........29-39%.  
* MID SLOPE........35-45%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....WEST WINDS 9 TO 14 MPH. GUSTS TO 25 MPH IN THE  
AFTERNOON.  
* RIDGE TOP........WEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...35%.  
* MIXING HEIGHT......200-500 FT AGL THEN 2400-3400 FT AGL IN THE  
AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS BECOMING WEST 15 TO 20 MPH IN THE  
AFTERNOON.  
* VENTILATION........POOR INCREASING TO VERY GOOD IN THE AFTERNOON.  
 
   
EXTENDED
 
   
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25-35. NORTHWEST WINDS 9 TO  
15 MPH IN THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.    
MONDAY
 
MOSTLY CLOUDY. HIGHS 49-59. LOWS 25-35. SLOPE WINDS.    
TUESDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. HIGHS  
49-59. LOWS 23-33. SOUTHWEST WINDS 10 TO 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. HIGHS 47-55. LOWS 23-33. SLOPE WINDS.    
THURSDAY THROUGH FRIDAY
 
MOSTLY CLOUDY. HIGHS 53-63. LOWS 23-33.  
 

 
 
CAZ270-278-NVZ458-260030-  
SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY-  
NORTHERN WASHOE COUNTY-  
513 AM PST SAT JAN 25 2020  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN.  
* MAX TEMPERATURE....  
* VALLEYS..........46-56.  
* MID SLOPE........40-50.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........41-51%.  
* MID SLOPE........57-67%.  
* 24 HR TREND......5% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN  
THE MORNING.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......200-500 FT AGL THEN 1000-1500 FT AGL IN THE  
AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........MARGINAL.  
   
TONIGHT
 
 
* SKY/WEATHER........CHANCE OF RAIN AND SNOW.  
* MIN TEMPERATURE....  
* VALLEYS..........29-39.  
* MID SLOPE........29-38.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........90-100%.  
* MID SLOPE........94-100%.  
* 24 HR TREND......9% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH BECOMING SOUTH 7 TO 12 MPH  
WITH GUSTS TO 25 MPH AFTER MIDNIGHT.  
* RIDGE TOP........SOUTH WINDS 10 TO 20 MPH INCREASING TO 20 TO 30  
MPH AFTER MIDNIGHT. GUSTS TO 40 MPH IN THE  
MORNING.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...45%.  
* MIXING HEIGHT......200-500 FT AGL.  
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.  
* VENTILATION........POOR.  
   
SUNDAY
 
 
* SKY/WEATHER........RAIN AND SNOW LIKELY IN THE MORNING, THEN  
SLIGHT CHANCE OF RAIN AND SNOW IN THE  
AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........42-52.  
* MID SLOPE........37-47.  
* MIN HUMIDITY.......  
* VALLEYS..........39-49%.  
* MID SLOPE........50-60%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....WEST WINDS 9 TO 17 MPH WITH GUSTS TO 30 MPH.  
* RIDGE TOP........WEST WINDS 20 TO 30 MPH. GUSTS TO 45 MPH  
DECREASING TO 30 MPH IN THE AFTERNOON.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...35%.  
* MIXING HEIGHT......200-500 FT AGL THEN 1700-2700 FT AGL IN THE  
AFTERNOON.  
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH SHIFTING TO THE WEST 15  
TO 25 MPH IN THE AFTERNOON.  
* VENTILATION........POOR INCREASING TO VERY GOOD IN THE AFTERNOON.  
 
   
EXTENDED
 
   
SUNDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS 24-34. WEST WINDS 9 TO 14 MPH.    
MONDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. HIGHS  
43-53. LOWS 24-34. SLOPE WINDS.    
TUESDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. HIGHS  
43-53. LOWS 21-31. SOUTHWEST WINDS 10 TO 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. HIGHS 43-53. LOWS 21-31. SLOPE WINDS.    
THURSDAY THROUGH FRIDAY
 
MOSTLY CLOUDY. HIGHS 50-60. LOWS 26-36.  
 

 
 
CAZ271-260030-  
WESTERN LASSEN/EASTERN PLUMAS/EASTERN SIERRA/EASTERN NEVADA COUNTIES-  
513 AM PST SAT JAN 25 2020  
   
TODAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN.  
* MAX TEMPERATURE....  
* VALLEYS..........44-54.  
* MID SLOPE........43-53.  
* 24 HR TREND......6 DEGREES WARMER.  
* MIN HUMIDITY.......  
* VALLEYS..........54-64%.  
* MID SLOPE........58-68%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH. GUSTS TO 25 MPH IN  
THE MORNING.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...10%.  
* MIXING HEIGHT......200-500 FT AGL THEN 1000-1500 FT AGL IN THE  
AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........MARGINAL.  
   
TONIGHT
 
 
* SKY/WEATHER........CHANCE OF RAIN AND SNOW.  
* MIN TEMPERATURE....  
* VALLEYS..........30-39.  
* MID SLOPE........29-37.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........94-100%.  
* MID SLOPE........98-100%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH BECOMING SOUTH 9 TO 14 MPH  
AFTER MIDNIGHT.  
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH  
INCREASING TO SOUTHWEST 20 TO 30 MPH WITH  
GUSTS TO 45 MPH AFTER MIDNIGHT.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...50%.  
* MIXING HEIGHT......200-500 FT AGL.  
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.  
* VENTILATION........POOR.  
   
SUNDAY
 
 
* SKY/WEATHER........RAIN AND SNOW LIKELY IN THE MORNING, THEN  
CHANCE OF RAIN AND SNOW IN THE AFTERNOON.  
* MAX TEMPERATURE....  
* VALLEYS..........38-48.  
* MID SLOPE........36-46.  
* MIN HUMIDITY.......  
* VALLEYS..........52-62%.  
* MID SLOPE........53-63%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....WEST WINDS 9 TO 15 MPH WITH GUSTS TO 25 MPH.  
* RIDGE TOP........SOUTHWEST WINDS 20 TO 30 MPH. GUSTS TO 45 MPH  
DECREASING TO 30 MPH IN THE AFTERNOON.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...35%.  
* MIXING HEIGHT......200-500 FT AGL THEN 1600-2100 FT AGL IN THE  
AFTERNOON.  
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH.  
* VENTILATION........POOR INCREASING TO GOOD IN THE AFTERNOON.  
 
   
EXTENDED
 
   
SUNDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS 22-32. WEST WINDS 7 TO 12 MPH IN THE EVENING BECOMING  
DOWNSLOPE 2 TO 5 MPH.    
MONDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. HIGHS  
40-50. LOWS 22-32. SLOPE WINDS.    
TUESDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW. HIGHS  
41-49. LOWS 20-30. SOUTHWEST WINDS 10 TO 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. HIGHS 44-52. LOWS 20-30. SLOPE WINDS.    
THURSDAY THROUGH FRIDAY
 
MOSTLY CLOUDY. HIGHS 49-59. LOWS 23-33.  
 

 
 
CAZ273-260030-  
MONO AND EASTERN ALPINE COUNTIES-  
513 AM PST SAT JAN 25 2020  
   
TODAY
 
 
* SKY/WEATHER........PARTLY CLOUDY.  
* MAX TEMPERATURE....  
* VALLEYS..........46-56.  
* MID SLOPE........42-52.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........24-34%.  
* MID SLOPE........31-41%.  
* 24 HR TREND......35% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........WEST WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH IN  
THE MORNING BECOMING LIGHT.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......200-500 FT AGL THEN 700-1200 FT AGL IN THE  
AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........POOR.  
   
TONIGHT
 
 
* SKY/WEATHER........PARTLY CLOUDY. CHANCE OF SNOW AND RAIN AFTER MIDNIGHT.  
* MIN TEMPERATURE....  
* VALLEYS..........23-33.  
* MID SLOPE........28-38.  
* 24 HR TREND......4 DEGREES WARMER.  
* MAX HUMIDITY.......  
* VALLEYS..........87-97%.  
* MID SLOPE........80-90%.  
* 24 HR TREND......21% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH BECOMING SOUTHWEST 9 TO 14  
MPH WITH GUSTS TO 40 MPH IN THE LATE EVENING  
AND OVERNIGHT.  
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30  
MPH INCREASING TO 20 TO 35 MPH WITH GUSTS TO  
55 MPH AFTER MIDNIGHT.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...30%.  
* MIXING HEIGHT......200-500 FT AGL.  
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.  
* VENTILATION........POOR.  
   
SUNDAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
CHANCE OF SNOW AND RAIN.  
* MAX TEMPERATURE....  
* VALLEYS..........39-49.  
* MID SLOPE........34-44.  
* MIN HUMIDITY.......  
* VALLEYS..........26-36%.  
* MID SLOPE........29-39%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTHWEST WINDS 9 TO 16 MPH. GUSTS TO 40 MPH  
DECREASING TO 30 MPH IN THE AFTERNOON.  
* RIDGE TOP........SOUTHWEST WINDS 25 TO 40 MPH. GUSTS TO 60 MPH  
DECREASING TO 40 MPH IN THE AFTERNOON.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...40%.  
* MIXING HEIGHT......200-500 FT AGL THEN 1200-1700 FT AGL IN THE  
AFTERNOON.  
* TRANSPORT WINDS....WEST 10 TO 15 MPH.  
* VENTILATION........MARGINAL INCREASING TO GOOD IN THE AFTERNOON.  
 
   
EXTENDED
 
   
SUNDAY NIGHT
 
CLEAR. LOWS 16-26. WEST WINDS 9 TO 14 MPH.    
MONDAY
 
PARTLY CLOUDY. HIGHS 43-53. LOWS 16-26. SLOPE WINDS.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. HIGHS 43-53. LOWS 16-26.  
SLOPE WINDS.    
THURSDAY THROUGH FRIDAY
 
PARTLY CLOUDY. HIGHS 49-59. LOWS 18-28.  
 

 
 
NVZ459-260030-  
MINERAL AND SOUTHERN LYON COUNTIES-  
513 AM PST SAT JAN 25 2020  
   
TODAY
 
 
* SKY/WEATHER........PARTLY CLOUDY.  
* MAX TEMPERATURE....  
* VALLEYS..........52-62.  
* MID SLOPE........49-59.  
* 24 HR TREND......LITTLE CHANGE.  
* MIN HUMIDITY.......  
* VALLEYS..........23-33%.  
* MID SLOPE........27-37%.  
* 24 HR TREND......LITTLE CHANGE.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.  
* RIDGE TOP........NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25  
MPH UNTIL LATE AFTERNOON BECOMING LIGHT.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...0%.  
* MIXING HEIGHT......200-500 FT AGL THEN 1700-2200 FT AGL IN THE  
AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS.  
* VENTILATION........MARGINAL.  
   
TONIGHT
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.  
* MIN TEMPERATURE....  
* VALLEYS..........31-41.  
* MID SLOPE........31-41.  
* 24 HR TREND......LITTLE CHANGE.  
* MAX HUMIDITY.......  
* VALLEYS..........80-90%.  
* MID SLOPE........70-80%.  
* 24 HR TREND......14% WETTER.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....SOUTH WINDS 9 TO 14 MPH. GUSTS TO 20 MPH IN THE  
MORNING.  
* RIDGE TOP........SOUTHWEST WINDS 15 TO 25 MPH. GUSTS TO 35 MPH IN  
THE MORNING.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...5%.  
* MIXING HEIGHT......700-1200 FT AGL IN THE EVENING THEN 200-500 FT  
AGL.  
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.  
* VENTILATION........MARGINAL.  
   
SUNDAY
 
 
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
CHANCE OF RAIN AND SNOW.  
* MAX TEMPERATURE....  
* VALLEYS..........49-59.  
* MID SLOPE........46-56.  
* MIN HUMIDITY.......  
* VALLEYS..........21-31%.  
* MID SLOPE........24-34%.  
* 20-FOOT WINDS......  
* VALLEYS/SLOPE....WEST WINDS 9 TO 14 MPH. GUSTS TO 25 MPH IN THE  
AFTERNOON.  
* RIDGE TOP........WEST WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH.  
* HAINES INDEX.......2.  
* LAL................1.  
* CHC WETTING RAIN...20%.  
* MIXING HEIGHT......200-500 FT AGL THEN 2800-3800 FT AGL IN THE  
AFTERNOON.  
* TRANSPORT WINDS....LIGHT WINDS BECOMING WEST 10 TO 15 MPH IN THE  
AFTERNOON.  
* VENTILATION........POOR INCREASING TO VERY GOOD IN THE AFTERNOON.  
 
   
EXTENDED
 
   
SUNDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING CLEAR.  
LOWS 25-35. NORTHWEST WINDS 9 TO 16 MPH IN THE EVENING BECOMING  
DOWNSLOPE 2 TO 5 MPH.    
MONDAY
 
PARTLY CLOUDY. HIGHS 50-60. LOWS 25-35. SLOPE WINDS.    
TUESDAY THROUGH WEDNESDAY
 
PARTLY CLOUDY. HIGHS 48-58. LOWS 23-33.  
WEST WINDS 10 TO 15 MPH.    
THURSDAY THROUGH FRIDAY
 
PARTLY CLOUDY. HIGHS 53-63. LOWS 25-35.  
 

 
 
.8 TO 14 DAY OUTLOOK FOR (SAT FEB 1 THROUGH FRI FEB 7)  
ABOVE NORMAL TEMPERATURES AND BELOW NORMAL PRECIPITATION.  
 
=  

 
 
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