931
FNUS55 KREV 122047
FWFREV
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE RENO NV
147 PM PDT MON APR 12 2021
..COLD FRONT TUESDAY, AREAS OF GUSTY WINDS/LOW HUMIDITY
...FIRE WEATHER WATCH IN EFFECT TUESDAY FOR SOUTHERN MONO COUNTY
BELOW 8000 FEET...
DISCUSSION
AN INCOMING COLD FRONT WILL RESULT IN GUSTY WINDS ON TUESDAY WHICH
MAY YIELD AREAS OF CRITICAL FIRE WEATHER CONDITIONS FOR SOME AREAS.
MAIN CONCERNS FOR CRITICAL CONDITIONS WILL BE ACROSS MONO COUNTY
INTO PORTIONS OF MINERAL COUNTY TUESDAY AFTERNOON. AREA FUEL DRYNESS
IS VERY NEAR, IF NOT ALREADY CRITICAL. RAIN AND SNOW SHOWERS ARE
POSSIBLE TUESDAY AND WEDNESDAY ALONG WITH A 15% CHANCE FOR THUNDERSTORMS
EACH AFTERNOON. WIDESPREAD WETTING RAINS ARE NOT EXPECTED, BUT
LOCALIZED AREAS OF 0.10"+ ARE POSSIBLE.
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
NVZ420-131500-
NORTHERN SIERRA FRONT INCLUDING CARSON CITY, DOUGLAS, STOREY,
SOUTHERN WASHOE, WESTERN LYON, AND FAR SOUTHERN LASSEN COUNTIES-
147 PM PDT MON APR 12 2021
TONIGHT
* SKY/WEATHER........CLEAR.
* MIN TEMPERATURE....
* VALLEYS..........28-38.
* MID SLOPE........32-40.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........50-60%.
* MID SLOPE........35-45%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHEAST WINDS 7 TO 12 MPH WITH GUSTS TO 20 MPH
IN THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........WEST WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH.
* HAINES INDEX.......5.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......2000-3000 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR.
TUESDAY
* SKY/WEATHER........SUNNY THEN BECOMING MOSTLY CLOUDY. CHANCE OF
SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS AND
SNOW IN THE AFTERNOON. BLOWING DUST IN THE
AFTERNOON.
* MAX TEMPERATURE....
* VALLEYS..........52-62.
* MID SLOPE........48-58.
* 24 HR TREND......6 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........16-26%.
* MID SLOPE........19-29%.
* 24 HR TREND......12% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTHWEST 15 TO 25
MPH WITH GUSTS TO 35 MPH.
* RIDGE TOP........WEST WINDS 10 TO 15 MPH WITH GUSTS TO 35 MPH
INCREASING TO 20 TO 30 MPH WITH GUSTS TO 45
MPH IN THE AFTERNOON.
* HAINES INDEX.......3-4.
* LAL................2.
* CHC WETTING RAIN...10%.
* MIXING HEIGHT......1600-2600 FT AGL INCREASING TO 5400-6400 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHWEST 10 TO 20 MPH.
* VENTILATION........VERY GOOD INCREASING TO EXCELLENT IN THE
AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER........MOSTLY CLOUDY. BLOWING DUST IN THE EVENING.
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
CHANCE OF SHOWERS.
* MIN TEMPERATURE....
* VALLEYS..........27-37.
* MID SLOPE........28-36.
* MAX HUMIDITY.......
* VALLEYS..........70-80%.
* MID SLOPE........65-75%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHWEST WINDS 14 TO 20 MPH WITH GUSTS TO 30
MPH DECREASING TO 9 TO 17 MPH WITH GUSTS TO 30
MPH IN THE LATE EVENING AND OVERNIGHT.
* RIDGE TOP........NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35
MPH.
* HAINES INDEX.......3.
* LAL................2.
* CHC WETTING RAIN...10%.
* MIXING HEIGHT......3000-4000 FT AGL DECREASING TO 1400-1900 FT
AGL AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTHWEST 10 TO 20 MPH.
* VENTILATION........VERY GOOD DECREASING TO GOOD AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN CHANCE OF SNOW SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
* MAX TEMPERATURE....
* VALLEYS..........51-59.
* MID SLOPE........44-54.
* MIN HUMIDITY.......
* VALLEYS..........19-29%.
* MID SLOPE........24-34%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHWEST WINDS 9 TO 14 MPH.
* RIDGE TOP........NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25
MPH.
* HAINES INDEX.......2-3.
* LAL................2.
* CHC WETTING RAIN...10%.
* MIXING HEIGHT......1300-1800 FT AGL INCREASING TO 5400-6400 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR INCREASING TO VERY GOOD IN THE AFTERNOON.
EXTENDED
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. LOWS
24-34. WEST WINDS 9 TO 14 MPH.
THURSDAY
CLEAR. HIGHS 57-65. LOWS 24-34. WEST WINDS 10 TO 15 MPH.
FRIDAY THROUGH SATURDAY
CLEAR. HIGHS 62-72. LOWS 27-37. NORTHEAST
WINDS 10 TO 15 MPH.
SUNDAY THROUGH MONDAY
CLEAR. HIGHS 71-81. LOWS 31-41.
NVZ421-131500-
SOUTHERN SIERRA FRONT INCLUDING ALPINE, NORTHERN MONO, SOUTHERN
LYON, AND WESTERN MINERAL COUNTIES-
147 PM PDT MON APR 12 2021
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING CLEAR.
* MIN TEMPERATURE....
* VALLEYS..........25-35.
* MID SLOPE........31-41.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........56-66%.
* MID SLOPE........36-46%.
* 24 HR TREND......9% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHWEST WINDS 9 TO 14 MPH WITH GUSTS TO 25 MPH
IN THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........WEST WINDS 15 TO 25 MPH. GUSTS TO 35 MPH
INCREASING TO 50 MPH LATE IN THE NIGHT.
* HAINES INDEX.......3.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1800-2800 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR.
TUESDAY
* SKY/WEATHER........SUNNY. BLOWING DUST IN THE AFTERNOON. SLIGHT
CHANCE OF RAIN AND SNOW IN THE AFTERNOON.
* MAX TEMPERATURE....
* VALLEYS..........53-63.
* MID SLOPE........46-56.
* 24 HR TREND......4 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........12-22%.
* MID SLOPE........9-19%.
* 24 HR TREND......5% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 7 TO 12 MPH WITH GUSTS TO 20 MPH
INCREASING TO WEST 20 TO 30 MPH WITH GUSTS UP TO
45 MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 30 TO 45 MPH WITH GUSTS TO 75
MPH.
* HAINES INDEX.......4.
* LAL................1.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......1700-2200 FT AGL INCREASING TO 5100-6100 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 15 TO 25 MPH INCREASING TO WEST 25
TO 35 MPH IN THE AFTERNOON.
* VENTILATION........VERY GOOD INCREASING TO EXCELLENT IN THE
AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER........PARTLY CLOUDY. BLOWING DUST IN THE EVENING.
CHANCE OF SNOW AND A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING. CHANCE OF
SHOWERS.
* MIN TEMPERATURE....
* VALLEYS..........23-33.
* MID SLOPE........26-36.
* MAX HUMIDITY.......
* VALLEYS..........66-76%.
* MID SLOPE........56-66%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 16 TO 25 MPH WITH GUSTS TO 45 MPH
DECREASING TO 9 TO 16 MPH WITH GUSTS TO 30 MPH
IN THE LATE EVENING AND OVERNIGHT.
* RIDGE TOP........WEST WINDS 20 TO 30 MPH. GUSTS TO 50 MPH
DECREASING TO 35 MPH IN THE LATE EVENING AND
OVERNIGHT.
* HAINES INDEX.......3.
* LAL................2.
* CHC WETTING RAIN...10%.
* MIXING HEIGHT......2800-3800 FT AGL DECREASING TO 900-1400 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 15 TO 25 MPH DECREASING TO 10 TO 15 MPH
AFTER MIDNIGHT.
* VENTILATION........EXCELLENT DECREASING TO FAIR AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS
IN THE MORNING, THEN CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
* MAX TEMPERATURE....
* VALLEYS..........45-55.
* MID SLOPE........39-49.
* MIN HUMIDITY.......
* VALLEYS..........22-32%.
* MID SLOPE........22-32%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTHWEST 9 TO 16
MPH WITH GUSTS TO 25 MPH IN THE AFTERNOON.
* RIDGE TOP........WEST WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
* HAINES INDEX.......2-3.
* LAL................2.
* CHC WETTING RAIN...10%.
* MIXING HEIGHT......1400-1900 FT AGL INCREASING TO 5600-6600 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. CHANCE OF SNOW
SHOWERS. LOWS 19-29. NORTHWEST WINDS 9 TO 15 MPH BECOMING DOWNSLOPE
2 TO 5 MPH.
THURSDAY THROUGH FRIDAY
CLEAR. HIGHS 54-64. LOWS 19-29. NORTH
WINDS 10 TO 15 MPH.
SATURDAY
CLEAR. HIGHS 59-69. LOWS 24-34. NORTH WINDS 10 TO
15 MPH.
SUNDAY THROUGH MONDAY
CLEAR. HIGHS 66-76. LOWS 26-36.
CAZ272-131500-
GREATER LAKE TAHOE AND TRUCKEE AREA-
147 PM PDT MON APR 12 2021
TONIGHT
* SKY/WEATHER........CLEAR.
* MIN TEMPERATURE....
* VALLEYS..........27-37.
* MID SLOPE........26-36.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........72-82%.
* MID SLOPE........57-67%.
* 24 HR TREND......4% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 8 TO 13 MPH WITH GUSTS TO 30 MPH IN
THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........SOUTHWEST WINDS 15 TO 25 MPH. GUSTS TO 30 MPH
INCREASING TO 40 MPH LATE IN THE NIGHT.
* HAINES INDEX.......4.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1800-2800 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH
AFTER MIDNIGHT.
* VENTILATION........FAIR.
TUESDAY
* SKY/WEATHER........SUNNY THEN BECOMING PARTLY CLOUDY. CHANCE OF
SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON.
* MAX TEMPERATURE....
* VALLEYS..........46-52.
* MID SLOPE........41-51.
* 24 HR TREND......7 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........27-37%.
* MID SLOPE........25-35%.
* 24 HR TREND......12% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 8 TO 13 MPH WITH GUSTS TO 20 MPH
INCREASING TO WEST 15 TO 25 MPH WITH GUSTS TO
35 MPH EARLY IN THE AFTERNOON, THEN BECOMING
12 TO 20 MPH WITH GUSTS TO 35 MPH LATE IN THE
AFTERNOON.
* RIDGE TOP........WEST WINDS 20 TO 30 MPH. GUSTS TO 45 MPH
INCREASING TO 60 MPH IN THE LATE MORNING AND
EARLY AFTERNOON, THEN DECREASING TO 40 MPH
LATE IN THE AFTERNOON.
* HAINES INDEX.......3-4.
* LAL................2.
* CHC WETTING RAIN...15%.
* MIXING HEIGHT......1600-2600 FT AGL INCREASING TO 4800-5800 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....WEST 15 TO 25 MPH.
* VENTILATION........VERY GOOD INCREASING TO EXCELLENT IN THE
AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING. CHANCE OF SHOWERS.
* MIN TEMPERATURE....
* VALLEYS..........23-33.
* MID SLOPE........22-30.
* MAX HUMIDITY.......
* VALLEYS..........80-90%.
* MID SLOPE........77-87%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHWEST WINDS 9 TO 16 MPH WITH GUSTS TO 30
MPH.
* RIDGE TOP........WEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH.
* HAINES INDEX.......2-3.
* LAL................2.
* CHC WETTING RAIN...15%.
* MIXING HEIGHT......2000-3000 FT AGL DECREASING TO 1000-1500 FT
AGL AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.
* VENTILATION........GOOD DECREASING TO FAIR AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE
MORNING, THEN CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE....
* VALLEYS..........42-47.
* MID SLOPE........36-46.
* MIN HUMIDITY.......
* VALLEYS..........40-50%.
* MID SLOPE........34-44%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25
MPH.
* HAINES INDEX.......2-3.
* LAL................2.
* CHC WETTING RAIN...15%.
* MIXING HEIGHT......1100-1600 FT AGL INCREASING TO 4700-5700 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........MARGINAL INCREASING TO GOOD IN THE AFTERNOON.
EXTENDED
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. LOWS
21-31. DOWNSLOPE 2 TO 5 MPH.
THURSDAY
CLEAR. HIGHS 47-55. LOWS 21-31. SLOPE WINDS.
FRIDAY
CLEAR. HIGHS 51-59. LOWS 23-33. SLOPE WINDS.
SATURDAY
CLEAR. HIGHS 56-63. LOWS 26-36. NORTHEAST WINDS AROUND
10 MPH.
SUNDAY THROUGH MONDAY
CLEAR. HIGHS 60-70. LOWS 27-37.
NVZ423-131500-
WEST HUMBOLDT BASIN IN PERSHING COUNTY-
147 PM PDT MON APR 12 2021
TONIGHT
* SKY/WEATHER........CLEAR.
* MIN TEMPERATURE....
* VALLEYS..........29-39.
* MID SLOPE........30-40.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........44-54%.
* MID SLOPE........33-43%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 9 TO 14 MPH. GUSTS TO 20 MPH IN THE
EVENING.
* RIDGE TOP........NORTH WINDS 10 TO 15 MPH.
* HAINES INDEX.......4-5.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......2100-3100 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR DECREASING TO POOR AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS
IN THE MORNING. BLOWING DUST IN THE AFTERNOON.
* MAX TEMPERATURE....
* VALLEYS..........55-61.
* MID SLOPE........49-59.
* 24 HR TREND......5 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........17-27%.
* MID SLOPE........19-29%.
* 24 HR TREND......12% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 8 TO 13 MPH WITH GUSTS TO 20 MPH
INCREASING TO 12 TO 18 MPH WITH GUSTS TO 30
MPH IN THE AFTERNOON.
* RIDGE TOP........NORTH WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
* HAINES INDEX.......4.
* LAL................1.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......1000-1500 FT AGL INCREASING TO 5900-6900 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER........MOSTLY CLOUDY. BLOWING DUST IN THE EVENING.
SLIGHT CHANCE OF RAIN IN THE EVENING, THEN
SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
* MIN TEMPERATURE....
* VALLEYS..........32-40.
* MID SLOPE........30-40.
* MAX HUMIDITY.......
* VALLEYS..........70-80%.
* MID SLOPE........61-71%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH
DECREASING TO 9 TO 15 MPH WITH GUSTS TO 25
MPH.
* RIDGE TOP........NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 40
MPH.
* HAINES INDEX.......3.
* LAL................1.
* CHC WETTING RAIN...10%.
* MIXING HEIGHT......3400-4400 FT AGL DECREASING TO 1300-1800 FT
AGL AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTH 15 TO 25 MPH.
* VENTILATION........EXCELLENT DECREASING TO GOOD AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS.
SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
* MAX TEMPERATURE....
* VALLEYS..........53-59.
* MID SLOPE........47-57.
* MIN HUMIDITY.......
* VALLEYS..........22-32%.
* MID SLOPE........22-32%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHWEST WINDS 9 TO 14 MPH.
* RIDGE TOP........NORTHWEST WINDS 10 TO 20 MPH.
* HAINES INDEX.......2-3.
* LAL................1.
* CHC WETTING RAIN...10%.
* MIXING HEIGHT......1600-2600 FT AGL INCREASING TO 5400-6400 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO GOOD IN THE AFTERNOON.
EXTENDED
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 28-38. NORTH WINDS 9 TO 14 MPH UNTIL EARLY MORNING
BECOMING DOWNSLOPE 2 TO 5 MPH.
THURSDAY
PARTLY CLOUDY. HIGHS 58-64. LOWS 28-38. NORTH WINDS
AROUND 10 MPH.
FRIDAY THROUGH SATURDAY
CLEAR. HIGHS 65-70. LOWS 30-40. NORTHEAST
WINDS 10 TO 15 MPH.
SUNDAY THROUGH MONDAY
CLEAR. HIGHS 75-82. LOWS 33-43.
NVZ429-131500-
LAHONTAN BASIN INCLUDING CHURCHILL AND EASTERN MINERAL COUNTIES-
147 PM PDT MON APR 12 2021
TONIGHT
* SKY/WEATHER........CLEAR.
* MIN TEMPERATURE....
* VALLEYS..........27-37.
* MID SLOPE........33-43.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........37-47%.
* MID SLOPE........24-34%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 9 TO 14 MPH WITH GUSTS TO 25 MPH
UNTIL EARLY MORNING BECOMING DOWNSLOPE 2 TO 5
MPH.
* RIDGE TOP........WEST WINDS 10 TO 15 MPH WITH GUSTS TO 30 MPH.
* HAINES INDEX.......4-5.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1900-2900 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR DECREASING TO POOR AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER........SUNNY THEN BECOMING PARTLY CLOUDY. BLOWING
DUST IN THE AFTERNOON. SLIGHT CHANCE OF RAIN
IN THE AFTERNOON.
* MAX TEMPERATURE....
* VALLEYS..........56-66.
* MID SLOPE........54-64.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........11-21%.
* MID SLOPE........11-21%.
* 24 HR TREND......8% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTHWEST 15 TO 25
MPH WITH GUSTS TO 40 MPH.
* RIDGE TOP........WEST WINDS 15 TO 25 MPH. GUSTS TO 35 MPH
INCREASING TO 50 MPH LATE IN THE AFTERNOON.
* HAINES INDEX.......4.
* LAL................1.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......1400-1900 FT AGL INCREASING TO 6800-7800 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS BECOMING WEST 15 TO 25 MPH IN THE
AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER........MOSTLY CLOUDY. BLOWING DUST IN THE EVENING.
SLIGHT CHANCE OF RAIN IN THE EVENING, THEN
SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.
* MIN TEMPERATURE....
* VALLEYS..........29-39.
* MID SLOPE........29-39.
* MAX HUMIDITY.......
* VALLEYS..........69-79%.
* MID SLOPE........50-60%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 45
MPH DECREASING TO 9 TO 17 MPH WITH GUSTS TO 30
MPH AFTER MIDNIGHT.
* RIDGE TOP........NORTHWEST WINDS 15 TO 25 MPH. GUSTS TO 45 MPH
DECREASING TO 30 MPH AFTER MIDNIGHT.
* HAINES INDEX.......3-4.
* LAL................1.
* CHC WETTING RAIN...10%.
* MIXING HEIGHT......3700-4700 FT AGL DECREASING TO 1300-1800 FT
AGL AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTHWEST 15 TO 25 MPH.
* VENTILATION........EXCELLENT DECREASING TO FAIR AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS.
SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
* MAX TEMPERATURE....
* VALLEYS..........50-59.
* MID SLOPE........45-55.
* MIN HUMIDITY.......
* VALLEYS..........21-31%.
* MID SLOPE........22-32%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHWEST WINDS 9 TO 15 MPH WITH GUSTS TO 30
MPH.
* RIDGE TOP........NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 30
MPH.
* HAINES INDEX.......2-3.
* LAL................2.
* CHC WETTING RAIN...10%.
* MIXING HEIGHT......1500-2000 FT AGL INCREASING TO 5400-6400 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHWEST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY
CLOUDY. LOWS 27-37. NORTHWEST WINDS 9 TO 16 MPH UNTIL EARLY MORNING
BECOMING DOWNSLOPE 2 TO 5 MPH.
THURSDAY THROUGH FRIDAY
CLEAR. HIGHS 58-68. LOWS 27-37. NORTH
WINDS 10 TO 15 MPH.
SATURDAY
CLEAR. HIGHS 64-74. LOWS 31-41. NORTH WINDS 10 TO
15 MPH.
SUNDAY THROUGH MONDAY
CLEAR. HIGHS 70-80. LOWS 32-42.
CAZ270-278-NVZ458-131500-
SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY-
NORTHERN WASHOE COUNTY-
147 PM PDT MON APR 12 2021
TONIGHT
* SKY/WEATHER........CLEAR.
* MIN TEMPERATURE....
* VALLEYS..........27-37.
* MID SLOPE........27-36.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........56-66%.
* MID SLOPE........40-50%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTHEAST WINDS 9 TO 14 MPH. GUSTS TO 25 MPH IN
THE EVENING.
* RIDGE TOP........NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO 25
MPH.
* HAINES INDEX.......5.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......2600-3600 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR DECREASING TO MARGINAL AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
MORNING. SLIGHT CHANCE OF RAIN, THUNDERSTORMS
AND SNOW IN THE AFTERNOON. BLOWING DUST IN THE
AFTERNOON.
* MAX TEMPERATURE....
* VALLEYS..........50-60.
* MID SLOPE........44-54.
* 24 HR TREND......6 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........17-27%.
* MID SLOPE........21-31%.
* 24 HR TREND......12% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 9 TO 14 MPH WITH GUSTS TO 25 MPH
INCREASING TO NORTHEAST 15 TO 25 MPH WITH
GUSTS TO 40 MPH IN THE AFTERNOON.
* RIDGE TOP........NORTH WINDS 20 TO 30 MPH.
* HAINES INDEX.......3-4.
* LAL................2.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......1200-1700 FT AGL INCREASING TO 6200-7200 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTHEAST 10 TO 20 MPH.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER........MOSTLY CLOUDY. BLOWING DUST IN THE EVENING.
SLIGHT CHANCE OF RAIN, THUNDERSTORMS AND SNOW
IN THE EVENING. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT.
* MIN TEMPERATURE....
* VALLEYS..........26-36.
* MID SLOPE........25-35.
* MAX HUMIDITY.......
* VALLEYS..........68-78%.
* MID SLOPE........62-72%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH
DECREASING TO 9 TO 15 MPH WITH GUSTS TO 25
MPH.
* RIDGE TOP........NORTH WINDS 20 TO 30 MPH WITH GUSTS TO 40 MPH.
* HAINES INDEX.......3.
* LAL................2.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......3100-4100 FT AGL DECREASING TO 1300-1800 FT
AGL AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTH 20 TO 30 MPH.
* VENTILATION........EXCELLENT DECREASING TO GOOD AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS. SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE....
* VALLEYS..........50-60.
* MID SLOPE........47-55.
* MIN HUMIDITY.......
* VALLEYS..........17-25%.
* MID SLOPE........19-27%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 9 TO 14 MPH.
* RIDGE TOP........NORTH WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
* HAINES INDEX.......2-3.
* LAL................1.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......1200-1700 FT AGL INCREASING TO 5800-6800 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO VERY GOOD IN THE AFTERNOON.
EXTENDED
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS 26-36. NORTHWEST WINDS 9 TO
16 MPH.
THURSDAY
PARTLY CLOUDY. HIGHS 55-65. LOWS 26-36. NORTHWEST WINDS
10 TO 15 MPH.
FRIDAY
CLEAR. HIGHS 59-69. LOWS 27-37. NORTHEAST WINDS 10 TO
15 MPH.
SATURDAY
CLEAR. HIGHS 64-73. LOWS 29-39. NORTHEAST WINDS 10 TO
15 MPH.
SUNDAY THROUGH MONDAY
CLEAR. HIGHS 70-80. LOWS 31-41.
CAZ271-131500-
WESTERN LASSEN, EASTERN PLUMAS, AND EASTERN SIERRA COUNTIES-
147 PM PDT MON APR 12 2021
TONIGHT
* SKY/WEATHER........CLEAR.
* MIN TEMPERATURE....
* VALLEYS..........23-33.
* MID SLOPE........27-37.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........62-72%.
* MID SLOPE........45-55%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 7 TO 12 MPH WITH GUSTS TO 20 MPH IN
THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 30
MPH.
* HAINES INDEX.......4-5.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......2500-3500 FT AGL IN THE EVENING THEN 200-500
FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR DECREASING TO POOR AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER........SUNNY THEN BECOMING PARTLY CLOUDY. CHANCE OF
SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS AND
SNOW IN THE AFTERNOON.
* MAX TEMPERATURE....
* VALLEYS..........50-58.
* MID SLOPE........47-55.
* 24 HR TREND......9 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........18-28%.
* MID SLOPE........19-29%.
* 24 HR TREND......14% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTH 9 TO 17 MPH
WITH GUSTS TO 35 MPH IN THE AFTERNOON.
* RIDGE TOP........NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 30
MPH.
* HAINES INDEX.......3-4.
* LAL................2.
* CHC WETTING RAIN...10%.
* MIXING HEIGHT......1500-2000 FT AGL INCREASING TO 6300-7300 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....NORTH 10 TO 15 MPH.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
CHANCE OF SHOWERS.
* MIN TEMPERATURE....
* VALLEYS..........22-32.
* MID SLOPE........23-33.
* MAX HUMIDITY.......
* VALLEYS..........73-83%.
* MID SLOPE........71-81%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....NORTH WINDS 12 TO 18 MPH WITH GUSTS TO 30 MPH
DECREASING TO 5 TO 10 MPH.
* RIDGE TOP........NORTH WINDS 10 TO 20 MPH WITH GUSTS TO 30 MPH.
* HAINES INDEX.......3.
* LAL................2.
* CHC WETTING RAIN...10%.
* MIXING HEIGHT......2600-3600 FT AGL DECREASING TO 1000-1500 FT
AGL AFTER MIDNIGHT.
* TRANSPORT WINDS....NORTH 10 TO 20 MPH.
* VENTILATION........EXCELLENT DECREASING TO FAIR AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS
IN THE MORNING. CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE....
* VALLEYS..........49-59.
* MID SLOPE........46-56.
* MIN HUMIDITY.......
* VALLEYS..........19-29%.
* MID SLOPE........18-28%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING NORTH 7 TO 12 MPH IN
THE AFTERNOON.
* RIDGE TOP........NORTH WINDS 10 TO 15 MPH.
* HAINES INDEX.......3.
* LAL................2.
* CHC WETTING RAIN...10%.
* MIXING HEIGHT......1000-1500 FT AGL INCREASING TO 6700-7700 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........MARGINAL INCREASING TO VERY GOOD IN THE
AFTERNOON.
EXTENDED
WEDNESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS 21-31. NORTHWEST WINDS 7 TO
12 MPH IN THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
THURSDAY
CLEAR. HIGHS 54-62. LOWS 21-31. SLOPE WINDS.
FRIDAY
CLEAR. HIGHS 59-67. LOWS 22-32. SLOPE WINDS.
SATURDAY
CLEAR. HIGHS 63-73. LOWS 25-35. SLOPE WINDS.
SUNDAY THROUGH MONDAY
CLEAR. HIGHS 67-77. LOWS 26-36.
CAZ274-131500-
SOUTHERN MONO COUNTY-
147 PM PDT MON APR 12 2021
...FIRE WEATHER WATCH IN EFFECT TUESDAY FOR SOUTHERN MONO COUNTY
BELOW 8000 FEET...
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING CLEAR.
* MIN TEMPERATURE....
* VALLEYS..........29-37.
* MID SLOPE........27-37.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........63-73%.
* MID SLOPE........47-57%.
* 24 HR TREND......8% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 12 TO 18 MPH WITH GUSTS TO 35 MPH IN
THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........WEST WINDS 10 TO 20 MPH WITH GUSTS TO 40 MPH.
* HAINES INDEX.......3-4.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......2600-3600 FT AGL DECREASING TO 600 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........GOOD DECREASING TO MARGINAL AFTER MIDNIGHT.
TUESDAY
* SKY/WEATHER........SUNNY. BLOWING DUST IN THE AFTERNOON.
* MAX TEMPERATURE....
* VALLEYS..........52-62.
* MID SLOPE........47-57.
* 24 HR TREND......6 DEGREES COOLER.
* MIN HUMIDITY.......
* VALLEYS..........5-15%.
* MID SLOPE........9-19%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTHWEST WINDS 8 TO 13 MPH WITH GUSTS TO 20 MPH
INCREASING TO 20 TO 30 MPH WITH GUSTS TO 50
MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 25 TO 40 MPH WITH GUSTS TO 75
MPH.
* HAINES INDEX.......4.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......1300-1800 FT AGL INCREASING TO 4700-5700 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 15 TO 20 MPH INCREASING TO 30 TO 40
MPH IN THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TUESDAY NIGHT
* SKY/WEATHER........CLEAR. BLOWING DUST IN THE EVENING.
* MIN TEMPERATURE....
* VALLEYS..........24-34.
* MID SLOPE........22-32.
* MAX HUMIDITY.......
* VALLEYS..........58-68%.
* MID SLOPE........48-58%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 20 TO 25 MPH WITH GUSTS TO 45 MPH
DECREASING TO 9 TO 15 MPH WITH GUSTS TO 25
MPH.
* RIDGE TOP........WEST WINDS 25 TO 40 MPH WITH GUSTS TO 65 MPH
DECREASING TO 20 TO 30 MPH WITH GUSTS TO 45
MPH AFTER MIDNIGHT.
* HAINES INDEX.......3.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......2400-3400 FT AGL DECREASING TO 800-1300 FT AGL
AFTER MIDNIGHT.
* TRANSPORT WINDS....WEST 20 TO 30 MPH DECREASING TO 15 TO 20 MPH
AFTER MIDNIGHT.
* VENTILATION........EXCELLENT DECREASING TO FAIR AFTER MIDNIGHT.
WEDNESDAY
* SKY/WEATHER........SUNNY THEN BECOMING PARTLY CLOUDY. CHANCE OF
SNOW SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON.
* MAX TEMPERATURE....
* VALLEYS..........45-55.
* MID SLOPE........39-49.
* MIN HUMIDITY.......
* VALLEYS..........10-20%.
* MID SLOPE........17-27%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....WEST WINDS 9 TO 15 MPH.
* RIDGE TOP........WEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH.
* HAINES INDEX.......2-3.
* LAL................1.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......1600-2100 FT AGL INCREASING TO 6400-7400 FT
AGL IN THE AFTERNOON.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
WEDNESDAY NIGHT
MOSTLY CLOUDY IN THE EVENING THEN CLEARING.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. SLIGHT
CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. LOWS 20-30. NORTHWEST WINDS
9 TO 15 MPH IN THE EVENING BECOMING DOWNSLOPE 2 TO 5 MPH.
THURSDAY THROUGH FRIDAY
CLEAR. HIGHS 52-62. LOWS 20-30. NORTH
WINDS 10 TO 15 MPH.
SATURDAY
CLEAR. HIGHS 58-68. LOWS 26-36. NORTH WINDS 10 TO
15 MPH.
SUNDAY THROUGH MONDAY
CLEAR. HIGHS 64-74. LOWS 29-39.
.8 TO 14 DAY OUTLOOK FOR (TUE APR 20 THROUGH MON APR 26)
ABOVE NORMAL TEMPERATURES AND LITTLE OR NO PRECIPITATION.
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