639
FNUS55 KREV 201143
FWFREV
FIRE WEATHER PLANNING FORECAST
NATIONAL WEATHER SERVICE RENO NV
343 AM PST FRI DEC 20 2024
DISCUSSION
DRY CONDITIONS AND GENERALLY LIGHT WINDS WILL PERSIST TODAY. THE
STORM DOOR THEN OPENS THIS WEEKEND INTO CHRISTMAS WEEK WITH PERIODS
OF RAIN, MOUNTAIN SNOW AND STRONG GUSTY SOUTHWEST WINDS. RIGHT NOW,
SATURDAY AND TUESDAY HAVE THE STRONGEST WIND POTENTIAL.
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
HTTPS://WWW.WEATHER.GOV/WRH/FIRE?WFO=REV
NVZ420-210030-
NORTHERN SIERRA FRONT INCLUDING CARSON CITY, DOUGLAS, STOREY,
SOUTHERN WASHOE, WESTERN LYON, AND FAR SOUTHERN LASSEN COUNTIES-
343 AM PST FRI DEC 20 2024
TODAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* MAX TEMPERATURE....
* VALLEYS..........48-58.
* MID SLOPE........47-57.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........28-38%.
* MID SLOPE........19-29%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH.
* HAINES INDEX.......3.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600 FT AGL INCREASING TO 800-1300 FT AGL IN
THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........MARGINAL.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY.
* MIN TEMPERATURE....
* VALLEYS..........27-37.
* MID SLOPE........31-40.
* 24 HR TREND......5 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........77-87%.
* MID SLOPE........35-45%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH BECOMING SOUTH AROUND
10 MPH AFTER MIDNIGHT.
* RIDGE TOP........SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO 40 MPH
INCREASING TO SOUTHWEST 20 TO 30 MPH WITH
GUSTS TO 55 MPH IN THE MORNING.
* HAINES INDEX.......2.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH AFTER
MIDNIGHT.
* VENTILATION........MARGINAL.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE....
* VALLEYS..........49-59.
* MID SLOPE........46-56.
* MIN HUMIDITY.......
* VALLEYS..........20-30%.
* MID SLOPE........30-40%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 9 TO 16 MPH WITH GUSTS TO 35 MPH
INCREASING TO SOUTHWEST 12 TO 25 MPH WITH
GUSTS TO 50 MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 25 TO 40 MPH. GUSTS TO 60 MPH.
* HAINES INDEX.......2.
* LAL................1.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......600-1000 FT AGL INCREASING TO 1500-2000 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 20 MPH INCREASING TO SOUTHWEST 20
TO 30 MPH IN THE AFTERNOON.
* VENTILATION........FAIR INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS 31-41. SOUTHWEST WINDS 9 TO 14 MPH IN THE EVENING
BECOMING DOWNSLOPE 2 TO 5 MPH.
SUNDAY
CLOUDY. CHANCE OF SHOWERS. HIGHS 48-56. LOWS 30-40. SLOPE
WINDS.
MONDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN. HIGHS 50-58. LOWS
30-40. SOUTH WINDS 10 TO 15 MPH.
TUESDAY
RAIN AND A CHANCE OF SNOW. HIGHS 45-53. LOWS 16-26.
SOUTHWEST WINDS 20 TO 35 MPH.
CHRISTMAS DAY
MOSTLY CLOUDY. HIGHS 40-48. LOWS 16-26.
THURSDAY
CLOUDY. CHANCE OF RAIN AND SNOW. HIGHS 42-50.
NVZ421-210030-
SOUTHERN SIERRA FRONT INCLUDING ALPINE, NORTHERN MONO, SOUTHERN
LYON, AND WESTERN MINERAL COUNTIES-
343 AM PST FRI DEC 20 2024
TODAY
* SKY/WEATHER........PARTLY CLOUDY.
* MAX TEMPERATURE....
* VALLEYS..........50-60.
* MID SLOPE........45-55.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........19-29%.
* MID SLOPE........14-24%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 7 TO 12 MPH IN THE MORNING BECOMING
UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 35
MPH.
* HAINES INDEX.......2-3.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600 FT AGL INCREASING TO 800-1300 FT AGL IN
THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
* VENTILATION........FAIR.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY.
* MIN TEMPERATURE....
* VALLEYS..........25-35.
* MID SLOPE........32-42.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........63-73%.
* MID SLOPE........24-34%.
* 24 HR TREND......5% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH BECOMING SOUTH 9 TO 14 MPH
IN THE LATE EVENING AND OVERNIGHT.
* RIDGE TOP........SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO 55 MPH
SHIFTING TO THE SOUTHWEST 25 TO 40 MPH WITH
GUSTS TO 70 MPH IN THE MORNING.
* HAINES INDEX.......2-3.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600 FT AGL.
* TRANSPORT WINDS....SOUTH 10 TO 20 MPH.
* VENTILATION........MARGINAL.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY. CHANCE OF SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE....
* VALLEYS..........48-58.
* MID SLOPE........43-53.
* MIN HUMIDITY.......
* VALLEYS..........27-37%.
* MID SLOPE........27-37%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 9 TO 15 MPH WITH GUSTS TO 30 MPH
INCREASING TO 15 TO 25 MPH WITH GUSTS TO 50
MPH IN THE LATE MORNING AND AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 30 TO 50 MPH. GUSTS TO 75 MPH
INCREASING TO 90 MPH IN THE LATE MORNING AND
AFTERNOON.
* HAINES INDEX.......2.
* LAL................1.
* CHC WETTING RAIN...15%.
* MIXING HEIGHT......600-1000 FT AGL INCREASING TO 1200-1700 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 20 TO 30 MPH.
* VENTILATION........GOOD INCREASING TO VERY GOOD IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AFTER
MIDNIGHT. LOWS 27-37. SOUTH WINDS 9 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 46-56. LOWS 25-35.
SOUTHWEST WINDS AROUND 10 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS 49-59. LOWS 25-35. SOUTH WINDS 10 TO
15 MPH.
TUESDAY
SNOW LIKELY AND A CHANCE OF RAIN. HIGHS 43-53. LOWS
11-21. SOUTHWEST WINDS 20 TO 35 MPH.
CHRISTMAS DAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. HIGHS 40-48.
LOWS 11-21.
THURSDAY
MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN. HIGHS 41-51.
CAZ272-210030-
GREATER LAKE TAHOE AND TRUCKEE AREA-
343 AM PST FRI DEC 20 2024
TODAY
* SKY/WEATHER........MOSTLY CLOUDY. FREEZING FOG IN THE MORNING.
* MAX TEMPERATURE....
* VALLEYS..........42-50.
* MID SLOPE........41-51.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........45-55%.
* MID SLOPE........18-28%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........SOUTH WINDS 15 TO 30 MPH WITH GUSTS TO 40 MPH.
* HAINES INDEX.......2-3.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......800 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH IN THE
AFTERNOON.
* VENTILATION........FAIR.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY.
* MIN TEMPERATURE....
* VALLEYS..........27-37.
* MID SLOPE........29-38.
* 24 HR TREND......9 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........86-96%.
* MID SLOPE........35-45%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH BECOMING SOUTH 12 TO 18 MPH
WITH GUSTS TO 30 MPH.
* RIDGE TOP........SOUTHWEST WINDS 30 TO 45 MPH WITH GUSTS TO 75
MPH.
* HAINES INDEX.......2.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600 FT AGL.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH INCREASING TO 15 TO 25 MPH
AFTER MIDNIGHT.
* VENTILATION........MARGINAL.
SATURDAY
* SKY/WEATHER........CHANCE OF SHOWERS IN THE MORNING, THEN
SNOW SHOWERS LIKELY IN THE AFTERNOON.
* MAX TEMPERATURE....
* VALLEYS..........42-48.
* MID SLOPE........37-47.
* MIN HUMIDITY.......
* VALLEYS..........51-61%.
* MID SLOPE........43-53%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 15 TO 30 MPH WITH GUSTS TO 50 MPH.
* RIDGE TOP........SOUTHWEST WINDS 45 TO 65 MPH. GUSTS TO 80 MPH
INCREASING TO 95 MPH IN THE LATE MORNING AND
AFTERNOON.
* HAINES INDEX.......2.
* LAL................1.
* CHC WETTING RAIN...35%.
* MIXING HEIGHT......700-1200 FT AGL INCREASING TO 1200-1700 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTHWEST 30 TO 40 MPH.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS 28-38.
SOUTHWEST WINDS 12 TO 18 MPH DECREASING TO 8 TO 13 MPH IN THE LATE
EVENING AND OVERNIGHT.
SUNDAY
SHOWERS LIKELY. HIGHS 40-46. LOWS 26-36. SOUTHWEST WINDS
AROUND 10 MPH.
MONDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 41-46. LOWS 26-36.
SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY
SNOW AND RAIN. HIGHS 36-41. LOWS 13-23. SOUTHWEST WINDS
15 TO 30 MPH.
CHRISTMAS DAY
MOSTLY CLOUDY. CHANCE OF SNOW. HIGHS 35-41. LOWS
13-23.
THURSDAY
SNOW LIKELY. HIGHS 35-41.
NVZ423-210030-
WEST HUMBOLDT BASIN IN PERSHING COUNTY-
343 AM PST FRI DEC 20 2024
TODAY
* SKY/WEATHER........MOSTLY CLOUDY. AREAS OF FREEZING FOG IN THE
MORNING.
* MAX TEMPERATURE....
* VALLEYS..........46-56.
* MID SLOPE........46-56.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........21-31%.
* MID SLOPE........15-25%.
* 24 HR TREND......4% DRIER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........LIGHT WINDS BECOMING SOUTHWEST 10 TO 15 MPH IN
THE LATE MORNING AND AFTERNOON.
* HAINES INDEX.......3.
* 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........MARGINAL.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE....
* VALLEYS..........24-34.
* MID SLOPE........29-39.
* 24 HR TREND......4 DEGREES WARMER.
* MAX HUMIDITY.......
* VALLEYS..........67-77%.
* MID SLOPE........25-35%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH.
* RIDGE TOP........LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH IN THE
LATE EVENING AND OVERNIGHT. GUSTS TO 30 MPH
AFTER MIDNIGHT.
* HAINES INDEX.......2.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......200-500 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........POOR.
SATURDAY
* SKY/WEATHER........MOSTLY CLOUDY.
* MAX TEMPERATURE....
* VALLEYS..........49-59.
* MID SLOPE........47-57.
* MIN HUMIDITY.......
* VALLEYS..........25-35%.
* MID SLOPE........26-36%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH BECOMING SOUTHWEST 9 TO 14
MPH WITH GUSTS TO 25 MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 40
MPH INCREASING TO 20 TO 30 MPH WITH GUSTS TO
60 MPH LATE IN THE AFTERNOON.
* HAINES INDEX.......2-3.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-700 FT AGL INCREASING TO 800-1300 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 20 MPH.
* VENTILATION........MARGINAL INCREASING TO FAIR IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 29-39. DOWNSLOPE 2 TO 5 MPH.
SUNDAY
CLOUDY. CHANCE OF SHOWERS. HIGHS 46-54. LOWS 29-39. SLOPE
WINDS.
MONDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 50-58. LOWS
30-39. SLOPE WINDS.
TUESDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. HIGHS 47-55. LOWS
21-31. SOUTHWEST WINDS 10 TO 20 MPH.
CHRISTMAS DAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. HIGHS 41-47.
LOWS 21-31.
THURSDAY
CLOUDY. CHANCE OF RAIN AND SNOW. HIGHS 42-48.
NVZ429-210030-
LAHONTAN BASIN INCLUDING CHURCHILL AND EASTERN MINERAL COUNTIES-
343 AM PST FRI DEC 20 2024
TODAY
* SKY/WEATHER........PARTLY CLOUDY.
* MAX TEMPERATURE....
* VALLEYS..........51-59.
* MID SLOPE........48-58.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........19-29%.
* MID SLOPE........12-22%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........SOUTH WINDS 10 TO 15 MPH.
* HAINES INDEX.......3.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600 FT AGL INCREASING TO 1100-1600 FT AGL IN
THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........POOR INCREASING TO FAIR IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE....
* VALLEYS..........26-36.
* MID SLOPE........31-41.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........63-73%.
* MID SLOPE........24-34%.
* 24 HR TREND......4% WETTER.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 5 TO 10 MPH.
* RIDGE TOP........SOUTH WINDS 10 TO 20 MPH. GUSTS TO 35 MPH IN THE
LATE EVENING AND OVERNIGHT.
* HAINES INDEX.......2-3.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600 FT AGL IN THE EVENING THEN 200-500 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTH 10 TO 15 MPH AFTER
MIDNIGHT.
* VENTILATION........POOR.
SATURDAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MAX TEMPERATURE....
* VALLEYS..........53-63.
* MID SLOPE........50-60.
* MIN HUMIDITY.......
* VALLEYS..........23-33%.
* MID SLOPE........23-33%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 9 TO 15 MPH. GUSTS TO 25 MPH
INCREASING TO 30 MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTH WINDS 10 TO 20 MPH INCREASING TO SOUTHWEST
20 TO 30 MPH WITH GUSTS TO 55 MPH IN THE AFTERNOON.
* HAINES INDEX.......3.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-800 FT AGL INCREASING TO 1000-1500 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 10 TO 20 MPH.
* VENTILATION........MARGINAL INCREASING TO GOOD IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 33-43. SOUTH WINDS 7 TO 12 MPH
UNTIL EARLY MORNING BECOMING DOWNSLOPE 2 TO 5 MPH.
SUNDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. HIGHS 50-58. LOWS
30-40. SLOPE WINDS.
MONDAY
MOSTLY CLOUDY. HIGHS 52-60. LOWS 30-40. SLOPE WINDS.
TUESDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. HIGHS 48-58. LOWS
21-31. SOUTHWEST WINDS 15 TO 25 MPH.
CHRISTMAS DAY
MOSTLY CLOUDY. HIGHS 41-49. LOWS 21-31.
THURSDAY
CLOUDY. CHANCE OF RAIN AND SNOW. HIGHS 45-53.
CAZ270-278-NVZ458-210030-
SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY-
NORTHERN WASHOE COUNTY-
343 AM PST FRI DEC 20 2024
TODAY
* SKY/WEATHER........MOSTLY CLOUDY. PATCHY FREEZING FOG IN THE
MORNING.
* MAX TEMPERATURE....
* VALLEYS..........42-52.
* MID SLOPE........41-49.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........38-48%.
* MID SLOPE........30-40%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO 30
MPH.
* HAINES INDEX.......2-3.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......200-500 FT AGL THEN 600-1000 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........MARGINAL.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY.
* MIN TEMPERATURE....
* VALLEYS..........25-35.
* MID SLOPE........27-36.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........76-86%.
* MID SLOPE........40-50%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 5 TO 10 MPH. GUSTS TO 20 MPH IN THE
MORNING.
* RIDGE TOP........SOUTHEAST WINDS 10 TO 20 MPH INCREASING TO SOUTH
20 TO 30 MPH IN THE MORNING. GUSTS TO 40 MPH
INCREASING TO 55 MPH IN THE MORNING.
* HAINES INDEX.......2.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......200-500 FT AGL.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
* VENTILATION........MARGINAL.
SATURDAY
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SHOWERS.
* MAX TEMPERATURE....
* VALLEYS..........42-52.
* MID SLOPE........38-48.
* MIN HUMIDITY.......
* VALLEYS..........48-58%.
* MID SLOPE........47-57%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO 35 MPH.
* RIDGE TOP........SOUTHWEST WINDS 20 TO 35 MPH WITH GUSTS TO 60
MPH.
* HAINES INDEX.......2.
* LAL................1.
* CHC WETTING RAIN...20%.
* MIXING HEIGHT......600-900 FT AGL INCREASING TO 1100-1600 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 20 TO 30 MPH.
* VENTILATION........FAIR INCREASING TO VERY GOOD IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS 28-38. SOUTHWEST WINDS 5 TO 10 MPH IN THE EVENING
BECOMING DOWNSLOPE 2 TO 5 MPH.
SUNDAY
SNOW SHOWERS LIKELY. HIGHS 41-51. LOWS 28-38. SLOPE WINDS.
MONDAY
MOSTLY CLOUDY. CHANCE OF RAIN. HIGHS 44-54. LOWS 30-40.
SOUTH WINDS 10 TO 15 MPH.
TUESDAY
RAIN AND A CHANCE OF SNOW. HIGHS 40-50. LOWS 19-29.
SOUTHWEST WINDS 15 TO 25 MPH.
CHRISTMAS DAY
MOSTLY CLOUDY. CHANCE OF SNOW. HIGHS 34-44. LOWS
19-29.
THURSDAY
SNOW AND RAIN LIKELY. HIGHS 36-46.
CAZ271-210030-
WESTERN LASSEN, EASTERN PLUMAS, AND EASTERN SIERRA COUNTIES-
343 AM PST FRI DEC 20 2024
TODAY
* SKY/WEATHER........MOSTLY CLOUDY.
* MAX TEMPERATURE....
* VALLEYS..........43-53.
* MID SLOPE........41-51.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........29-39%.
* MID SLOPE........18-28%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........SOUTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO 35
MPH.
* HAINES INDEX.......2-3.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......200-500 FT AGL THEN 600-800 FT AGL IN THE
AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........MARGINAL.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* MIN TEMPERATURE....
* VALLEYS..........24-34.
* MID SLOPE........28-38.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........76-86%.
* MID SLOPE........54-64%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH BECOMING SOUTHEAST 9 TO 14
MPH AFTER MIDNIGHT.
* RIDGE TOP........SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO 40 MPH
INCREASING TO 25 TO 35 MPH WITH GUSTS TO 60
MPH IN THE MORNING.
* HAINES INDEX.......2.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......200-500 FT AGL.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH INCREASING TO 15 TO 25 MPH
AFTER MIDNIGHT.
* VENTILATION........MARGINAL.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY. CHANCE OF SHOWERS.
* MAX TEMPERATURE....
* VALLEYS..........38-48.
* MID SLOPE........36-46.
* MIN HUMIDITY.......
* VALLEYS..........55-65%.
* MID SLOPE........53-63%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 9 TO 15 MPH WITH GUSTS TO 25 MPH
INCREASING TO SOUTHWEST 10 TO 20 MPH WITH
GUSTS TO 40 MPH.
* RIDGE TOP........SOUTHWEST WINDS 20 TO 35 MPH WITH GUSTS TO 65
MPH.
* HAINES INDEX.......2.
* LAL................1.
* CHC WETTING RAIN...55%.
* MIXING HEIGHT......600-1100 FT AGL INCREASING TO 1300-1800 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....SOUTH 20 TO 30 MPH INCREASING TO SOUTHWEST 30
TO 40 MPH IN THE AFTERNOON.
* VENTILATION........GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
EXTENDED
SATURDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS 28-38.
SOUTHWEST WINDS 5 TO 10 MPH IN THE EVENING BECOMING DOWNSLOPE 2 TO
5 MPH.
SUNDAY
SHOWERS LIKELY. HIGHS 41-49. LOWS 28-38. SLOPE WINDS.
MONDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 42-52. LOWS 28-38.
SOUTH WINDS 10 TO 15 MPH.
TUESDAY
RAIN AND A CHANCE OF SNOW. HIGHS 39-47. LOWS 16-26.
SOUTHWEST WINDS 15 TO 20 MPH.
CHRISTMAS DAY
MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN. HIGHS
35-43. LOWS 16-26.
THURSDAY
SNOW AND RAIN LIKELY. HIGHS 35-43.
CAZ274-210030-
SOUTHERN MONO COUNTY-
343 AM PST FRI DEC 20 2024
TODAY
* SKY/WEATHER........SUNNY.
* MAX TEMPERATURE....
* VALLEYS..........45-55.
* MID SLOPE........43-52.
* 24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......
* VALLEYS..........20-30%.
* MID SLOPE........12-22%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....UPSLOPE 4 TO 8 MPH.
* RIDGE TOP........SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 30
MPH.
* HAINES INDEX.......2-3.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600-700 FT AGL INCREASING TO 700-1200 FT AGL
IN THE AFTERNOON.
* TRANSPORT WINDS....LIGHT WINDS.
* VENTILATION........FAIR.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY.
* MIN TEMPERATURE....
* VALLEYS..........20-30.
* MID SLOPE........25-35.
* 24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......
* VALLEYS..........69-79%.
* MID SLOPE........30-40%.
* 24 HR TREND......LITTLE CHANGE.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....DOWNSLOPE 2 TO 5 MPH BECOMING SOUTH 8 TO 13 MPH
WITH GUSTS TO 20 MPH AFTER MIDNIGHT.
* RIDGE TOP........SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO 40 MPH
INCREASING TO SOUTHWEST 20 TO 35 MPH WITH
GUSTS TO 50 MPH IN THE MORNING.
* HAINES INDEX.......2-3.
* LAL................1.
* CHC WETTING RAIN...0%.
* MIXING HEIGHT......600 FT AGL.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
* VENTILATION........MARGINAL.
SATURDAY
* SKY/WEATHER........PARTLY CLOUDY.
* MAX TEMPERATURE....
* VALLEYS..........45-55.
* MID SLOPE........41-51.
* MIN HUMIDITY.......
* VALLEYS..........29-39%.
* MID SLOPE........29-39%.
* 20-FOOT WINDS......
* VALLEYS/SLOPE....SOUTH WINDS 9 TO 17 MPH WITH GUSTS TO 35 MPH
INCREASING TO 15 TO 25 MPH WITH GUSTS TO 45
MPH IN THE AFTERNOON.
* RIDGE TOP........SOUTHWEST WINDS 25 TO 40 MPH. GUSTS TO 70 MPH
INCREASING TO 75 MPH IN THE AFTERNOON.
* HAINES INDEX.......3.
* LAL................1.
* CHC WETTING RAIN...5%.
* MIXING HEIGHT......700-1200 FT AGL.
* TRANSPORT WINDS....SOUTH 15 TO 25 MPH.
* VENTILATION........GOOD.
EXTENDED
SATURDAY NIGHT
MOSTLY CLOUDY. LOWS 23-33. SOUTHWEST WINDS 9 TO
15 MPH DECREASING TO 8 TO 13 MPH AFTER MIDNIGHT.
SUNDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS. HIGHS 42-52. LOWS 21-31.
SOUTHWEST WINDS AROUND 10 MPH.
MONDAY
MOSTLY CLOUDY. HIGHS 45-55. LOWS 21-31. SLOPE WINDS.
TUESDAY
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW. HIGHS 40-50. LOWS
9-19. SOUTHWEST WINDS 20 TO 35 MPH.
CHRISTMAS DAY
MOSTLY CLOUDY. HIGHS 36-46. LOWS 9-19.
THURSDAY
MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN. HIGHS 38-48.
.8 TO 14 DAY OUTLOOK FOR (FRI DEC 27 THROUGH THU JAN 2)
ABOVE NORMAL TEMPERATURES AND PRECIPITATION.
=
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