Alert archive / California / Winter Storm Warnings in 2017

Winter Storm Warning 13, NWS Reno, NV

November 14, 20178 counties in California; Douglas County, Washoe County, Nevada

NWS Reno, NV issued this winter storm warning at Nov 14, 2017, 2:48 PM PST for 8 counties in California; Douglas County, Washoe County, Nevada. It took effect at Nov 15, 2017, 4:00 PM PST. It was in force for 36 hr. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Nov 14, 2017, 2:48 PM PST (22:48 UTC)
In effect from
Nov 15, 2017, 4:00 PM PST
Expired
Nov 17, 2017, 4:00 AM PST
In force
36 hr
Issued by
NWS Reno, NV

Counties Alpine County, CA, El Dorado County, CA, Lassen County, CA, Mono County, CA, Nevada County, CA, Placer County, CA, Plumas County, CA, Sierra County, CA, Douglas County, NV, Washoe County, NV

The radar

The Reno radar (KRGX), 77 km from the middle of the area, began a volume at 22:47 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Nov 16, 7:02 AM PSTHEAVY SNOW 26Mount Rose Summit, NV24 HOUR TOTAL.
Nov 16, 7:30 AM PSTSNOW 121 Nnw Incline Village, NVTRAINED SPOTTER MEASURED 12 INCHES OF SNOW IN 24 HOURS AT 7600 FEET.
Nov 16, 8:00 AM PSTHEAVY SNOW 261 Ne Mount Rose Summit, NVMT. ROSE SKI AREA REPORTED 20 TO 25 INCHES OF SNOW IN 24 HOURS AT 8260 FEET.
Nov 16, 9:00 AM PSTSNOW 141 Wsw Squaw Valley, CASQUAW VALLEY SKI AREA REPORTED 12 INCHES OF SNOW OVERNIGHT WITH A TOTAL OF 14 INCHES OF SNOW IN 24 HOURS AT 8000 FEET.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Reno, NV (KREV), launched 12:00Z, 10.8 hours before the alert went out and 173 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Reno, NV at 12:00Z on 2017-11-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Reno, NV at 12:00Z on 2017-11-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 185 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1254 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
185 m²/s²
0-3 km storm-relative helicity
192 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

588 
WWUS45 KREV 142248
WSWREV

URGENT - WINTER WEATHER MESSAGE
National Weather Service Reno NV
248 PM PST Tue Nov 14 2017

CAZ071-151400-
/O.UPG.KREV.WS.A.0007.171116T0000Z-171117T1200Z/
/O.NEW.KREV.WS.W.0013.171116T0000Z-171117T1200Z/
Lassen-Eastern Plumas-Eastern Sierra Counties-
248 PM PST Tue Nov 14 2017

...WINTER STORM WARNING IN EFFECT FROM 4 PM WEDNESDAY TO 4 AM PST
FRIDAY ABOVE 6000 FEET...

* WHAT...Heavy wet snow and high winds expected. Plan on difficult
  travel conditions, including during the evening commute on
  Wednesday. Expect damage to trees and power lines as well. Total
  snow accumulations of 6 to 12 inches expected above 6000 feet.
  Localized areas of up to 3 feet expected above 7000 feet. A few
  inches likely Thursday night down to 5000 feet west of Highway 
  395.

* WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties, including
  Yuba Pass.

* WHEN...From 4 PM Wednesday to 4 AM PST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in
  visibility at times. High wind gusts over 60 mph will create
  difficult driving conditions, especially along U.S. Highway 
  395.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid travel if possible, you could be stuck in your vehicle for
many hours. If you must travel, prepare for long delays and carry
an emergency kit with extra food, water and clothing. If you stay
home, have a backup plan in case of power outages. The latest
road conditions can be obtained by calling 5 1 1.

$$

CAZ072-NVZ002-151400-
/O.UPG.KREV.WS.A.0007.171116T0000Z-171117T1200Z/
/O.NEW.KREV.WS.W.0013.171116T0000Z-171117T1200Z/
Greater Lake Tahoe Area-
248 PM PST Tue Nov 14 2017

...WINTER STORM WARNING IN EFFECT FROM 4 PM WEDNESDAY TO 4 AM PST
FRIDAY ABOVE 7000 FEET...

* WHAT...Heavy wet snow and high winds expected. Plan on difficult
  travel conditions. Expect damage to trees and power lines as
  well. Total snow accumulations of 1 to 2 feet expected above 
  7500-8000 feet with localized amounts up to 4 feet along the 
  Sierra Crest. Accumulations below 7500 feet are more uncertain 
  and depend on how fast snow levels fall Thursday, but 4 or more 
  inches are possible.

* WHERE...Greater Lake Tahoe Area...including Donner Pass, Mount
  Rose Summit, and Echo Summit.

* WHEN...From 4 PM Wednesday to 4 AM PST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in
  visibility at times. High winds will create difficult driving
  conditions and dangerous boating conditions on Lake Tahoe.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid travel if possible, you could be stuck in your vehicle for
many hours. If you must travel, prepare for long delays and carry
an emergency kit with extra food, water and clothing. If you stay
home, have a backup plan in case of power outages. The latest
road conditions can be obtained by calling 5 1 1.

$$

CAZ073-151400-
/O.UPG.KREV.WS.A.0007.171116T0000Z-171117T1200Z/
/O.NEW.KREV.WS.W.0013.171116T0000Z-171117T1200Z/
Mono County-
248 PM PST Tue Nov 14 2017

...WINTER STORM WARNING IN EFFECT FROM 4 PM WEDNESDAY TO 4 AM PST
FRIDAY ABOVE 8000 FEET...

* WHAT...Heavy wet snow expected. Plan on difficult travel
  conditions, including during the morning commute on Thursday.
  Expect damage to trees and power lines as well. Total wet snow
  accumulations of 1 to 2 feet, with localized amounts up to 4
  feet, are expected.

* WHERE...Mono County...including Mammoth Lakes.

* WHEN...From 4 PM Wednesday to 4 AM PST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. High winds will create difficult driving
  conditions, especially along Highway 395.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid travel if possible, you could be stuck in your vehicle for
many hours. If you must travel, prepare for long delays and carry
an emergency kit with extra food, water and clothing. If you stay
home, have a backup plan in case of power outages. The latest
road conditions can be obtained by calling 5 1 1.

$$

http://www.weather.gov/reno
7 follow-up statements
824 
WWUS45 KREV 151132
WSWREV

URGENT - WINTER WEATHER MESSAGE
National Weather Service Reno NV
332 AM PST Wed Nov 15 2017

CAZ071-160100-
/O.CON.KREV.WS.W.0013.171116T0000Z-171117T1200Z/
Lassen-Eastern Plumas-Eastern Sierra Counties-
332 AM PST Wed Nov 15 2017

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 4 AM PST FRIDAY ABOVE 6000 FEET...

* WHAT...Heavy wet snow and high winds expected. Plan on difficult
  travel conditions, including during the evening commute. Damage
  to trees and power lines is possible. Total snow accumulations 
  of 6 to 12 inches expected above 6000 feet. Localized areas of 
  up to 3 feet expected above 7000 feet. A few inches likely 
  Thursday night down to 5000 feet west of Highway 395.

* WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties, 
  including Yuba Pass.

* WHEN...From 4 PM today to 4 AM PST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. High wind gusts over 60 mph will create 
  difficult driving conditions, especially along U.S. Highway 
  395.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid travel if possible, you could be stuck in your vehicle for
many hours. If you must travel, prepare for long delays and carry
an emergency kit with extra food, water and clothing. If you stay
home, have a backup plan in case of power outages. The latest
road conditions can be obtained by calling 5 1 1.

$$

CAZ072-NVZ002-160100-
/O.CON.KREV.WS.W.0013.171116T0000Z-171117T1200Z/
Greater Lake Tahoe Area-
332 AM PST Wed Nov 15 2017

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 4 AM PST FRIDAY ABOVE 7000 FEET...

* WHAT...Heavy wet snow and high winds expected. Plan on difficult
  travel conditions. Expect damage to trees and power lines as
  well. Total snow accumulations of 2 to 3 feet expected above
  8000 feet with localized amounts of 4+ feet along the Sierra 
  Crest. Accumulations below 7500 feet are more uncertain and 
  depend on how fast snow levels fall Thursday, but 4 or more 
  inches are possible.

* WHERE...Greater Lake Tahoe Area...including Donner Pass, Mount 
  Rose Summit, and Echo Summit.

* WHEN...From 4 PM today to 4 AM PST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. High winds will create difficult driving 
  conditions and very dangerous boating conditions on Lake Tahoe.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid travel if possible, you could be stuck in your vehicle for
many hours. If you must travel, prepare for long delays and carry
an emergency kit with extra food, water and clothing. If you stay
home, have a backup plan in case of power outages. The latest
road conditions can be obtained by calling 5 1 1.

$$

CAZ073-160100-
/O.CON.KREV.WS.W.0013.171116T0000Z-171117T1200Z/
Mono County-
332 AM PST Wed Nov 15 2017

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 4 AM PST FRIDAY ABOVE 8000 FEET...

* WHAT...Heavy wet snow expected. Plan on difficult travel
  conditions, including during the morning commute on Thursday.
  Expect damage to trees and power lines as well. Total wet snow
  accumulations of 2 to 3 feet, with localized amounts up to 4+
  feet right along the Sierra crest are expected.

* WHERE...Mono County...including Mammoth Lakes.

* WHEN...From 4 PM today to 4 AM PST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. High winds will create difficult driving 
  conditions, especially along Highway 395.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid travel if possible, you could be stuck in your vehicle for
many hours. If you must travel, prepare for long delays and carry
an emergency kit with extra food, water and clothing. If you stay
home, have a backup plan in case of power outages. The latest
road conditions can be obtained by calling 5 1 1.

$$

http://www.weather.gov/reno
923 
WWUS45 KREV 152134
WSWREV

URGENT - WINTER WEATHER MESSAGE
National Weather Service Reno NV
134 PM PST Wed Nov 15 2017

CAZ071-161300-
/O.CON.KREV.WS.W.0013.171116T0000Z-171117T1200Z/
Lassen-Eastern Plumas-Eastern Sierra Counties-
134 PM PST Wed Nov 15 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY
ABOVE 6000 FEET...

* WHAT...Heavy snow expected. Plan on difficult travel conditions,
  including during the evening and Thursday morning commutes. 
  Expect damage to trees and power lines as well. Total snow 
  accumulations of 6 to 12 inches expected above 6000 feet. 
  Localized areas of up to 3 feet expected above 7000 feet. A few 
  inches likely Thursday night down to 5000 feet west of Highway 
  395.

* WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties... 
  including Yuba Pass.

* WHEN...Until 4 AM PST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. High wind gusts over 60 mph will create 
  difficult driving conditions, especially along U.S. Highway 
  395.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid travel if possible, you could be stuck in your vehicle for
many hours. If you must travel, prepare for long delays and carry
an emergency kit with extra food, water and clothing. If you stay
home, have a backup plan in case of power outages. The latest
road conditions can be obtained by calling 5 1 1.

$$

CAZ072-NVZ002-161300-
/O.CON.KREV.WS.W.0013.171116T0000Z-171117T1200Z/
Greater Lake Tahoe Area-
134 PM PST Wed Nov 15 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY
ABOVE 7000 FEET...

* WHAT...Heavy wet snow and high winds expected. Plan on difficult
  travel conditions. Expect damage to trees and power lines as
  well. Total snow accumulations of 2 to 4 feet expected above 
  8000 feet with localized amounts of 5+ feet along the Sierra 
  Crest. Accumulations below 7500 feet are more uncertain and 
  depend on how fast snow levels fall Thursday, but 4 or more 
  inches are possible.

* WHERE...Greater Lake Tahoe Area...including Donner Pass, Mount 
  Rose Summit, and Echo Summit.

* WHEN...Until 4 AM PST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. High winds will create difficult driving 
  conditions and very dangerous boating conditions on Lake Tahoe.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid travel if possible, you could be stuck in your vehicle for
many hours. If you must travel, prepare for long delays and carry
an emergency kit with extra food, water and clothing. If you stay
home, have a backup plan in case of power outages. The latest
road conditions can be obtained by calling 5 1 1.

$$

CAZ073-161300-
/O.CON.KREV.WS.W.0013.171116T0000Z-171117T1200Z/
Mono County-
134 PM PST Wed Nov 15 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY
ABOVE 8000 FEET...

* WHAT...Heavy wet snow expected. Plan on difficult travel
  conditions, including during the morning commute on Thursday.
  Expect damage to trees and power lines as well. Total wet snow
  accumulations of 2 to 3 feet, with localized amounts up to 4+
  feet right along the Sierra crest are expected.

* WHERE...Mono County...including Mammoth Lakes.

* WHEN...Until 4 AM PST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times. High winds will create difficult driving 
  conditions, especially along Highway 395.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid travel if possible, you could be stuck in your vehicle for
many hours. If you must travel, prepare for long delays and carry
an emergency kit with extra food, water and clothing. If you stay
home, have a backup plan in case of power outages. The latest
road conditions can be obtained by calling 5 1 1.

$$

http://www.weather.gov/reno
944 
WWUS45 KREV 160408
WSWREV

URGENT - WINTER WEATHER MESSAGE
National Weather Service Reno NV
808 PM PST Wed Nov 15 2017

CAZ071-161615-
/O.CON.KREV.WS.W.0013.000000T0000Z-171117T1200Z/
Lassen-Eastern Plumas-Eastern Sierra Counties-
808 PM PST Wed Nov 15 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY
ABOVE 6000 FEET...

* WHAT...Moderate to heavy snow occurring. Plan on difficult 
  travel conditions, including during the evening commute. Expect 
  damage to trees and power lines as well. Additional snow 
  accumulations of 8 to 12 inches are expected above 6000 feet, 
  with localized amounts up to 3 feet above 7000 feet. A few 
  inches are possible west of Highway 395 inches are likely 
  Thursday night.

* WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties.

* WHEN...Until 4 AM PST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid travel if possible, you could be stuck in your vehicle for
many hours. If you must travel, prepare for long delays and carry
an emergency kit with extra food, water and clothing. If you stay
home, have a backup plan in case of power outages. The latest
road conditions can be obtained by calling 5 1 1.

$$

CAZ072-NVZ002-161615-
/O.CON.KREV.WS.W.0013.000000T0000Z-171117T1200Z/
Greater Lake Tahoe Area-
808 PM PST Wed Nov 15 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY
ABOVE 7000 FEET...

* WHAT...Moderate to heavy snow occurring above 7000 feet. Snow
  levels will vary through the night before dropping to near lake
  level Thursday night into Friday morning. Travel will be very
  difficult to impossible. Expect damage to trees and power lines
  as well. Total snow accumulations of 2 to 4 feet are expected
  above 7500 feet with localized amounts in excess of 5 feet.
  Accumulations below 7500 feet are more uncertain due to
  variations in snow levels tonight and Thursday...but  
  accumulations of 4 inches or more are possible below 6500 feet 
  with as much as 4 and 10 inches between 6500 and 7500 feet.

* WHERE...Greater Lake Tahoe Area.

* WHEN...Until 4 AM PST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid travel if possible, you could be stuck in your vehicle for
many hours. If you must travel, prepare for long delays and carry
an emergency kit with extra food, water and clothing. If you stay
home, have a backup plan in case of power outages. The latest
road conditions can be obtained by calling 5 1 1.

$$

CAZ073-161615-
/O.CON.KREV.WS.W.0013.000000T0000Z-171117T1200Z/
Mono County-
808 PM PST Wed Nov 15 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY
ABOVE 8000 FEET...

* WHAT...Moderate wet snow occurring with heavy snow expected.
  Plan on difficult travel conditions, including during the
  morning commute on Thursday. Expect damage to trees and power
  lines as well. Total wet snow accumulations of 2 to 3 feet, with
  localized amounts up to 4 feet right along the Sierra crest are
  expected.

* WHERE...Mono County.

* WHEN...Until 4 AM PST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid travel if possible, you could be stuck in your vehicle for
many hours. If you must travel, prepare for long delays and carry
an emergency kit with extra food, water and clothing. If you stay
home, have a backup plan in case of power outages. The latest
road conditions can be obtained by calling 5 1 1.

$$

http://www.weather.gov/reno
533 
WWUS45 KREV 160437 CCA
WSWREV

URGENT - WINTER WEATHER MESSAGE...CORRECTED
National Weather Service Reno NV
837 PM PST Wed Nov 15 2017

CAZ071-161615-
/O.CON.KREV.WS.W.0013.000000T0000Z-171117T1200Z/
Lassen-Eastern Plumas-Eastern Sierra Counties-
837 PM PST Wed Nov 15 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY
ABOVE 6000 FEET...

* WHAT...Moderate to heavy snow occurring. Plan on difficult 
  travel conditions, including during the evening commute. Expect 
  damage to trees and power lines as well. Additional snow 
  accumulations of 8 to 12 inches are expected above 6000 feet, 
  with localized amounts up to 3 feet above 7000 feet. A few 
  inches are possible west of Highway 395 inches are likely 
  Thursday night.

* WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties.

* WHEN...Until 4 AM PST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid travel if possible, you could be stuck in your vehicle for
many hours. If you must travel, prepare for long delays and carry
an emergency kit with extra food, water and clothing. If you stay
home, have a backup plan in case of power outages. The latest
road conditions can be obtained by calling 5 1 1.

$$

CAZ072-NVZ002-161615-
/O.COR.KREV.WS.W.0013.000000T0000Z-171117T1200Z/
Greater Lake Tahoe Area-
837 PM PST Wed Nov 15 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY
ABOVE 7000 FEET...

* WHAT...Moderate to heavy snow occurring above 7000 feet. Snow
  levels will vary through the night before dropping to near lake
  level Thursday night into Friday morning. Travel will be very
  difficult to impossible. Expect damage to trees and power lines
  as well. Total snow accumulations of 2 to 4 feet are expected
  above 7500 feet with localized amounts in excess of 5 feet.
  Accumulations below 7500 feet are more uncertain due to
  variations in snow levels tonight and Thursday...but
  accumulations of 6 inches or more are possible below 6500 feet 
  with as much as 6 to 12 inches between 6500 and 7500 feet.

* WHERE...Greater Lake Tahoe Area.

* WHEN...Until 4 AM PST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid travel if possible, you could be stuck in your vehicle for
many hours. If you must travel, prepare for long delays and carry
an emergency kit with extra food, water and clothing. If you stay
home, have a backup plan in case of power outages. The latest
road conditions can be obtained by calling 5 1 1.

$$

CAZ073-161615-
/O.CON.KREV.WS.W.0013.000000T0000Z-171117T1200Z/
Mono County-
837 PM PST Wed Nov 15 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY
ABOVE 8000 FEET...

* WHAT...Moderate wet snow occurring with heavy snow expected.
  Plan on difficult travel conditions, including during the
  morning commute on Thursday. Expect damage to trees and power
  lines as well. Total wet snow accumulations of 2 to 3 feet, with
  localized amounts up to 4 feet right along the Sierra crest are
  expected.

* WHERE...Mono County.

* WHEN...Until 4 AM PST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid travel if possible, you could be stuck in your vehicle for
many hours. If you must travel, prepare for long delays and carry
an emergency kit with extra food, water and clothing. If you stay
home, have a backup plan in case of power outages. The latest
road conditions can be obtained by calling 5 1 1.

$$

http://www.weather.gov/reno
645 
WWUS45 KREV 161150
WSWREV

URGENT - WINTER WEATHER MESSAGE
National Weather Service Reno NV
350 AM PST Thu Nov 16 2017

CAZ071-170000-
/O.CON.KREV.WS.W.0013.000000T0000Z-171117T1200Z/
Lassen-Eastern Plumas-Eastern Sierra Counties-
350 AM PST Thu Nov 16 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY
ABOVE 6000 FEET...

* WHAT...Heavy snow occurring. Plan on difficult travel 
  conditions. Damage to trees and power lines is possible. 
  Additional snow accumulations of 3 to 6 inches above 5500 feet, 
  with localized amounts of 10 to 18 inches near Yuba Pass, are 
  expected.

* WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties.

* WHEN...Until 4 AM PST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in
  visibility at times. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid travel if possible, you could be stuck in your vehicle for
many hours. If you must travel, prepare for long delays and carry
an emergency kit with extra food, water and clothing. If you stay
home, have a backup plan in case of power outages. The latest
road conditions can be obtained by calling 5 1 1.

$$

CAZ072-NVZ002-170000-
/O.CON.KREV.WS.W.0013.000000T0000Z-171117T1200Z/
Greater Lake Tahoe Area-
350 AM PST Thu Nov 16 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY
ABOVE 7000 FEET...

* WHAT...Heavy snow occurring. Plan on difficult travel conditions
  Expect damage to trees and power lines as well. Additional snow
  accumulations of 1 to 3 feet above 7500 feet. Accumulations
  below 7500 feet are more uncertain due to variations in snow
  levels today, but accumulations up to 6 inches are possible this
  morning near 6500 feet with 6 to 12 inches between 6500 and 
  7500 feet.

* WHERE...Greater Lake Tahoe Area, and mountain passes for 
  Interstate 80, Highway 50 and state routes 88, 89, 207 and 431.

* WHEN...Until 4 AM PST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in
  visibility at times. Roads will be wet or snow covered. Reduce 
  speed and maintain a safe distance with the vehicles around you.
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid travel if possible, you could be stuck in your vehicle for
many hours. If you must travel, prepare for long delays and carry
an emergency kit with extra food, water and clothing. If you stay
home, have a backup plan in case of power outages. The latest
road conditions can be obtained by calling 5 1 1.

$$

CAZ073-170000-
/O.CON.KREV.WS.W.0013.000000T0000Z-171117T1200Z/
Mono County-
350 AM PST Thu Nov 16 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY
ABOVE 8000 FEET...

* WHAT...Heavy snow occurring. Plan on difficult travel 
  conditions. Expect damage to trees and power lines as well. 
  Additional snow accumulations of 1 to 3 feet above 8000 feet 
  along the Sierra Crest, with localized amounts up to 4 feet, are
  expected.

* WHERE...Mono County. This includes the higher passes along 
  Highway 395 where wet roads will become snow-covered by this 
  afternoon or evening.

* WHEN...Until 4 AM PST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in
  visibility at times. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid travel if possible, you could be stuck in your vehicle for
many hours. If you must travel, prepare for long delays and carry
an emergency kit with extra food, water and clothing. If you stay
home, have a backup plan in case of power outages. The latest
road conditions can be obtained by calling 5 1 1.

$$

Brong

http://www.weather.gov/reno
529 
WWUS45 KREV 162203
WSWREV

URGENT - WINTER WEATHER MESSAGE
National Weather Service Reno NV
203 PM PST Thu Nov 16 2017

CAZ071-162315-
/O.CAN.KREV.WS.W.0013.000000T0000Z-171117T1200Z/
Lassen-Eastern Plumas-Eastern Sierra Counties-
203 PM PST Thu Nov 16 2017

...WINTER STORM WARNING IS CANCELLED...

The majority of the moisture has ended across the region this
afternoon. A cold front tonight brings the chance for an
additional inch or two of snow.

$$

CAZ072-NVZ002-171200-
/O.CON.KREV.WS.W.0013.000000T0000Z-171117T1200Z/
Greater Lake Tahoe Area-
203 PM PST Thu Nov 16 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY
ABOVE 7000 FEET...

* WHAT...Heavy snow occurring. Plan on difficult travel 
  conditions, including during the evening commute. Expect 
  damage to trees and power lines as well. Additional snow 
  accumulations of 6 to 9 inches, with localized amounts up to 
  14 inches, are expected.

* WHERE...Greater Lake Tahoe Area, and mountain passes for
  Interstate 80, Highway 50 and state routes 88, 89, 207 and 431.

* WHEN...Until 4 AM PST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in
  visibility at times. Roads will be wet or snow covered. Any
  standing water on roadways may freeze overnight. Reduce speed
  and maintain a safe distance with the vehicles around you. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid travel if possible, you could be stuck in your vehicle for
many hours. If you must travel, prepare for long delays and carry
an emergency kit with extra food, water and clothing. If you stay
home, have a backup plan in case of power outages. The latest
road conditions can be obtained by calling 5 1 1.

$$

CAZ073-171200-
/O.CON.KREV.WS.W.0013.000000T0000Z-171117T1200Z/
Mono County-
203 PM PST Thu Nov 16 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY
ABOVE 8000 FEET...

* WHAT...Heavy snow occurring. Plan on difficult travel
  conditions, including during the evening commute. Expect damage
  to trees and power lines as well. Additional snow accumulations
  of 7 to 12 inches, with localized amounts up to 2 feet along the
  Sierra Crest, are expected.

* WHERE...Mono County. This includes the higher passes along
  Highway 395 where wet roads will become snow-covered this
  evening or overnight.

* WHEN...Until 4 AM PST Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in
  visibility at times. Roads will be wet or snow covered. Any
  standing water on roadways may freeze overnight. Reduce speed
  and maintain a safe distance with the vehicles around you.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid travel if possible, you could be stuck in your vehicle for
many hours. If you must travel, prepare for long delays and carry
an emergency kit with extra food, water and clothing. If you stay
home, have a backup plan in case of power outages. The latest
road conditions can be obtained by calling 5 1 1.

$$

http://www.weather.gov/reno
630 
WWUS45 KREV 171148
WSWREV

URGENT - WINTER WEATHER MESSAGE
National Weather Service Reno NV
348 AM PST Fri Nov 17 2017

CAZ072-NVZ002-171300-
/O.EXP.KREV.WS.W.0013.000000T0000Z-171117T1200Z/
Greater Lake Tahoe Area-
348 AM PST Fri Nov 17 2017

...WINTER STORM WARNING WILL EXPIRE AT 4 AM PST EARLY THIS
MORNING ABOVE 7000 FEET...

Snow showers will taper off in the next few hours with only light
additional accumulations expected above 6500 to 7000 feet;
therefore, the winter storm warning will be allowed to expire.
Some roads are still snow-covered so be sure to check with
CALTRANS or NDOT before traveling in the higher elevations this 
morning.

$$

CAZ073-171300-
/O.EXP.KREV.WS.W.0013.000000T0000Z-171117T1200Z/
Mono County-
348 AM PST Fri Nov 17 2017

...WINTER STORM WARNING WILL EXPIRE AT 4 AM PST EARLY THIS
MORNING ABOVE 8000 FEET...

Snow in the high elevations of Mono County has tapered to showers
and is expected to end in the next few hours; therefore, the
winter storm warning will be allowed to expire. Be sure to check
with CALTRANS for travel restrictions if driving in the high 
elevations this morning, especially west of Highway 395.

$$

http://www.weather.gov/reno

The office that day

Everything else NWS Reno, NV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 14, 1:02 PM PSTHigh Wind WarningREVModoc37 hr
Nov 14, 1:02 PM PSTWind AdvisoryREVModoc49 hr
Nov 14, 2:15 PM PSTRed Flag WarningREV23 hr
Nov 14, 3:43 AM PSTHigh Wind WatchREVDouglas, Lyon, Storey, Washoe9 hr

Nearby

Winter Storm Warnings in California, 2017Winter Storm Warnings in Nevada, 2017Every winter storm warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.