Alert archive / Nevada / Winter Weather Advisories in 2021
Winter Weather Advisory 21, NWS Reno, NV
NWS Reno, NV issued this winter weather advisory at Dec 12, 2021, 3:20 PM PST for 5 counties in Nevada; Modoc County, California. It took effect at Dec 13, 2021, 4:00 PM PST. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Dec 12, 2021, 3:20 PM PST (23:20 UTC)
- In effect from
- Dec 13, 2021, 4:00 PM PST
- Expired
- Dec 14, 2021, 10:00 AM PST
- In force
- 18 hr
- Issued by
- NWS Reno, NV
Counties Modoc County, CA, Churchill County, NV, Lyon County, NV, Mineral County, NV, Pershing County, NV, Washoe County, NV
The radar
The Reno radar (KRGX), 38 km from the middle of the area, began a volume at 23:22 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.
The nearest sounding before it
Reno, NV (KREV), launched 12:00Z, 11.3 hours before the alert went out and 91 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1589 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 355 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
308 WWUS45 KREV 122320 WSWREV URGENT - WINTER WEATHER MESSAGE National Weather Service Reno NV 320 PM PST Sun Dec 12 2021 NVZ003-132330- /O.UPG.KREV.WS.A.0009.211214T0600Z-211215T0000Z/ /O.EXB.KREV.WS.W.0003.211214T0100Z-211214T1800Z/ Greater Reno-Carson City-Minden Area- Including the cities of Sparks, Gardnerville, and Virginia City 320 PM PST Sun Dec 12 2021 ...WINTER STORM WARNING IN EFFECT FROM 5 PM MONDAY TO 10 AM PST TUESDAY... * WHAT...Heavy snow expected. Total snow accumulations of 2 to 4 inches below 5000 feet, 4 to 8 inches between 5000 and 5500 feet, and 8 to 18 inches above 5500 feet including the Virginia City Highlands. * WHERE...Greater Reno-Carson City-Minden Area. * WHEN...From 5 PM Monday to 10 AM PST Tuesday. * IMPACTS...Travel could become very difficult. The hazardous conditions could impact the Monday evening commute above 5000 feet and will likely affect the Tuesday morning commute for all areas. * ADDITIONAL DETAILS...Winds will be gusty through Monday afternoon, particularly for wind prone locations along the US-395 corridor. Travel restrictions for high-profile vehicles are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel Monday evening through Tuesday morning, be prepared for long delays especially during commute times. Check with NDOT for the latest chain or snow tire requirements before traveling. The latest road conditions can be obtained by calling 5 1 1. && $$ CAZ071-132330- /O.CON.KREV.WS.W.0003.000000T0000Z-211215T0000Z/ Lassen-Eastern Plumas-Eastern Sierra Counties- Including the cities of Portola and Susanville 320 PM PST Sun Dec 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST TUESDAY... * WHAT...Heavy snow expected. Total snow accumulations of 4 to 10 inches along and east of Highway 395, 8 to 18 inches west of Highway 395 below 5500 feet, and 2 to 5 feet west of Highway 395 above 5500 feet. Winds gusting as high as 50 mph at times along Highway 395. * WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties. * WHEN...From 10 PM this evening to 4 PM PST Tuesday. * IMPACTS...Travel could be very difficult to impossible due to heavy snow and localized whiteout conditions, especially by Monday night with the heaviest snowfall rates. Winds may damage tree branches and fences. Secure holiday decorations to prevent them from blowing away. * ADDITIONAL DETAILS...Lower elevations below 5000 feet will see mainly rain until Monday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid travel if possible, you could be stuck in your vehicle for many hours. If you must travel, prepare for long delays and carry an emergency kit with extra food, water and clothing. If you stay home, have a backup plan in case of power outages. The latest road conditions can be obtained by calling 5 1 1. && $$ CAZ072-NVZ002-132330- /O.CON.KREV.WS.W.0003.000000T0000Z-211215T0600Z/ Greater Lake Tahoe Area- Including the cities of South Lake Tahoe, Truckee, Stateline, and Incline Village 320 PM PST Sun Dec 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST TUESDAY... * WHAT...Heavy snow expected. Total snow accumulations of 2 to 4 feet, except 4 to 8 feet above 7000 feet. Sierra ridge winds are expected to exceed 100 mph with occasional gusts 40 to 50 mph possible in lower elevations. * WHERE...Greater Lake Tahoe Area. * WHEN...From 10 PM this evening to 10 PM PST Tuesday. * IMPACTS...Travel could be very difficult to impossible, especially Monday afternoon and Monday night when major trans- Sierra pass closures are possible. Strong winds could cause extensive tree damage in exposed higher and wildfire burn areas. * ADDITIONAL DETAILS...The heaviest snow is expected Monday afternoon and Monday night when snowfall rates could reach 2-3 inches per hour. Strong winds will produce hazardous boating conditions on Lake Tahoe with wave heights of 3 feet or more. 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. && $$ CAZ073-132330- /O.CON.KREV.WS.W.0003.211213T0600Z-211215T0600Z/ Mono County- Including the cities of Bridgeport, Coleville, and Mammoth Lakes 320 PM PST Sun Dec 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 10 PM PST TUESDAY... * WHAT...Heavy snow expected. Total snow accumulations of 10 to 24 inches for communities along Highway 395, with 2 to 5 feet above 7000 feet along and west of Highway 395. Totals along the Sierra Crest of 5 to 8 feet. Sierra ridge winds will exceed 100 mph. Gusts of 50-60 mph are possible for wind prone locations along US-395. * WHERE...Mono County. * WHEN...From 10 PM Sunday to 10 PM PST Tuesday. * IMPACTS...Travel could be very difficult to impossible. Strong winds could cause extensive tree damage and power outages. Secure holiday decorations to prevent them from blowing away. * ADDITIONAL DETAILS...The strongest winds are likely to be Sunday night through Monday. Snow will begin in the high Sierra Sunday night, expanding to the US-395 corridor and eastward on Monday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid travel if possible, you could be stuck in your vehicle for many hours. If you must travel, prepare for long delays and carry an emergency kit with extra food, water and clothing. If you stay home, have a backup plan in case of power outages. The latest road conditions can be obtained by calling 5 1 1. && $$ CAZ070-NVZ005-132330- /O.UPG.KREV.WS.A.0009.211214T0000Z-211214T1800Z/ /O.NEW.KREV.WW.Y.0021.211214T0000Z-211214T1800Z/ Surprise Valley California-Northern Washoe County- Including the cities of Cedarville, Fort Bidwell, Empire, and Gerlach 320 PM PST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM MONDAY TO 10 AM PST TUESDAY... * WHAT...Snow expected. Total snow accumulations of 1 to 3 inches...except 4 to 8 inches above 5000 feet. Winds gusting as high as 45 mph through Monday. * WHERE...Surprise Valley California and Northern Washoe County. * WHEN...From 4 PM Monday to 10 AM PST Tuesday. * IMPACTS...Travel will become slick and hazardous. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Even light snowfall causes major travel delays, especially during periods of high traffic volume. Be sure to allow extra time to reach your destination. Leave extra space between vehicles since it takes longer to stop on slick roadways. The latest road conditions can be obtained by calling 5 1 1. && $$ NVZ001-132330- /O.UPG.KREV.WS.A.0009.211214T0600Z-211215T0600Z/ /O.NEW.KREV.WW.Y.0021.211214T0600Z-211214T1800Z/ Mineral and Southern Lyon Counties- Including the cities of Hawthorne, Yerington, and Smith Valley 320 PM PST Sun Dec 12 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM MONDAY TO 10 AM PST TUESDAY... * WHAT...Snow expected. Total snow accumulations of 1 to 4 inches...except 4 to 10 inches above 5500 feet. * WHERE...Mineral and Southern Lyon Counties. * WHEN...From 10 PM Monday to 10 AM PST Tuesday. * IMPACTS...Travel will become slick and hazardous by early Tuesday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Even light snowfall causes major travel delays, especially during periods of high traffic volume. Be sure to allow extra time to reach your destination. Leave extra space between vehicles since it takes longer to stop on slick roadways. The latest road conditions can be obtained by calling 5 1 1. && $$ http://www.weather.gov/reno
3 follow-up statements
507 WWUS45 KREV 131403 WSWREV URGENT - WINTER WEATHER MESSAGE National Weather Service Reno NV 603 AM PST Mon Dec 13 2021 CAZ071-141415- /O.CON.KREV.WS.W.0003.000000T0000Z-211215T0000Z/ Lassen-Eastern Plumas-Eastern Sierra Counties- Including the cities of Portola and Susanville 603 AM PST Mon Dec 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST TUESDAY... * CHANGES...No significant changes. * WHAT...Heavy snow expected. Total snow accumulations of 4 to 10 inches along and east of Highway 395, 8 to 18 inches west of Highway 395 below 5500 feet, and additional accumulations of 2 to 4 feet west of Highway 395 above 5500 feet. Winds gusting as high as 50 mph at times along Highway 395. * WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties. * WHEN...Until 4 PM PST Tuesday. * IMPACTS...Travel could be very difficult to impossible due to heavy snow and localized whiteout conditions, especially by this evening with the heaviest snowfall rates. Winds may damage tree branches and fences. Secure holiday decorations to prevent them from blowing away. * ADDITIONAL DETAILS...Lower elevations below 5000 feet will see mainly rain until late this afternoon, with a sharp drop in snow levels and visibility most likely between 4 and 8 pm. 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. && $$ NVZ003-141415- /O.CON.KREV.WS.W.0003.211214T0100Z-211214T1800Z/ Greater Reno-Carson City-Minden Area- Including the cities of Sparks, Gardnerville, and Virginia City 603 AM PST Mon Dec 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 10 AM PST TUESDAY... * CHANGES...Increased snowfall totals and added more information in impacts segment. * WHAT...Heavy snow expected. Total snow accumulations of 2 to 6 inches below 5000 feet, 5 to 10 inches between 5000 and 5500 feet, and 10 to 20 inches above 5500 feet including the Virginia City Highlands. Locally heavier totals possible east of Lake Tahoe across I-580 and US-395 from south of the Mt. Rose Highway junction to Carson City. * WHERE...Greater Reno-Carson City-Minden Area. * WHEN...From 5 PM this afternoon to 10 AM PST Tuesday. * IMPACTS...Travel could become very difficult, with a sharp drop in snow levels and visibility most likely between 8 and 11 pm this evening. The hazardous conditions could impact this evening's commute above 5500 feet, and will likely affect the Tuesday morning commute for all areas. * ADDITIONAL DETAILS...Winds will be gusty through this evening, particularly for wind prone locations along the US-395 corridor. Travel restrictions for high-profile vehicles are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel this evening through Tuesday morning, be prepared for long delays especially during commute times. Check with NDOT for the latest chain or snow tire requirements before traveling. The latest road conditions can be obtained by calling 5 1 1. && $$ CAZ072-NVZ002-141415- /O.CON.KREV.WS.W.0003.000000T0000Z-211215T0600Z/ Greater Lake Tahoe Area- Including the cities of South Lake Tahoe, Truckee, Stateline, and Incline Village 603 AM PST Mon Dec 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST TUESDAY... * CHANGES...Updated snow forecasts to show additional amounts and updated information in additional details section. * WHAT...Heavy snow expected. Additional snow accumulations of 2 to 3 feet, except 3 to 6 feet above 7000 feet. Sierra ridge winds are expected to exceed 100 mph with occasional gusts 40 to 50 mph possible in lower elevations. * WHERE...Greater Lake Tahoe Area. * WHEN...Until 10 PM PST Tuesday. * IMPACTS...Travel could be very difficult to impossible, especially this afternoon and tonight when major trans-Sierra pass closures are possible. Strong winds could cause extensive tree damage in exposed higher and wildfire burn areas. * ADDITIONAL DETAILS...Snowfall rates of 1-2 inches/hour are expected, with heavier bursts of snow producing snowfall rates of at least 3 inches/hour and whiteout conditions especially during this evening and late tonight. Expect dangerous boating conditions on Lake Tahoe with wave heights of 2 to 5 feet. 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. && $$ CAZ073-141415- /O.CON.KREV.WS.W.0003.000000T0000Z-211215T0600Z/ Mono County- Including the cities of Bridgeport, Coleville, and Mammoth Lakes 603 AM PST Mon Dec 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST TUESDAY... * CHANGES...Updated snow forecasts to show additional amounts in higher elevations, and updated information in additional details section. * WHAT...Heavy snow expected. Total snow accumulations of 10 to 24 inches for communities along and east of Highway 395 between 5500 and 6500 feet, except up to 6 inches for the Chalfant Valley below 5500 feet. Additional accumulations of 2 to 4 feet above 6500 feet along and west of Highway 395, and 4 to 7 feet along the Sierra crest. * WHERE...Mono County. * WHEN...Until 10 PM PST Tuesday. * IMPACTS...Travel could be very difficult to impossible. Strong wind gusts of 50-60 mph in wind prone areas along US-395, with Sierra ridge gusts above 100 mph could cause extensive tree damage and power outages. Secure holiday decorations to prevent them from blowing away. * ADDITIONAL DETAILS...Snowfall rates of 1-2 inches/hour are expected especially near and west of US-395, with heavier bursts of snow producing snowfall rates of at least 3 inches/hour and whiteout conditions, especially late this evening into early Tuesday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid travel if possible, you could be stuck in your vehicle for many hours. If you must travel, prepare for long delays and carry an emergency kit with extra food, water and clothing. If you stay home, have a backup plan in case of power outages. The latest road conditions can be obtained by calling 5 1 1. && $$ NVZ004-141415- /O.EXA.KREV.WW.Y.0021.211214T0600Z-211214T1800Z/ Western Nevada Basin and Range including Pyramid Lake- Including the cities of Fernley, Fallon, Lovelock, Silver Springs, and Imlay 603 AM PST Mon Dec 13 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST TUESDAY... * CHANGES...New area added to advisory. * WHAT...Snow expected. Total snow accumulations of 1 to 4 inches, except 4 to 10 inches above 5000 feet. Winds gusting as high as 45 mph. * WHERE...Western Nevada Basin and Range including Pyramid Lake. * WHEN...From 10 PM this evening to 10 AM PST Tuesday. * IMPACTS...Travel could become very difficult, with a sharp drop in snow levels and visibility most likely tonight between 10 pm and 1 am, with slick roads through the Tuesday morning commute. * ADDITIONAL DETAILS... PRECAUTIONARY/PREPAREDNESS ACTIONS... Even light snowfall causes major travel delays, especially during periods of high traffic volume. Be sure to allow extra time to reach your destination. Leave extra space between vehicles since it takes longer to stop on slick roadways. The latest road conditions can be obtained by calling 5 1 1. && $$ CAZ070-NVZ005-141415- /O.CON.KREV.WW.Y.0021.211214T0000Z-211214T1800Z/ Surprise Valley California-Northern Washoe County- Including the cities of Cedarville, Fort Bidwell, Empire, and Gerlach 603 AM PST Mon Dec 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 AM PST TUESDAY... * CHANGES...Slight increase in snow amounts, and updated information in impacts segment. * WHAT...Snow expected. Total snow accumulations of 2 to 5 inches...except 5 to 10 inches above 5000 feet. Winds gusting as high as 45 mph through this afternoon. * WHERE...Surprise Valley California and Northern Washoe County. * WHEN...From 4 PM this afternoon to 10 AM PST Tuesday. * IMPACTS...Travel will become slick and hazardous for this evening's commute, continuing into Tuesday morning. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Even lighter snowfall causes major travel delays, especially during periods of high traffic volume. Be sure to allow extra time to reach your destination. Leave extra space between vehicles since it takes longer to stop on slick roadways. The latest road conditions can be obtained by calling 5 1 1. && $$ NVZ001-141415- /O.CON.KREV.WW.Y.0021.211214T0600Z-211214T1800Z/ Mineral and Southern Lyon Counties- Including the cities of Hawthorne, Yerington, and Smith Valley 603 AM PST Mon Dec 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST TUESDAY... * CHANGES...Slight increase in snow amounts, and updated information in impacts segment. * WHAT...Snow expected. Total snow accumulations of 2 to 5 inches...except 4 to 10 inches above 5500 feet. * WHERE...Mineral and Southern Lyon Counties. * WHEN...From 10 PM this evening to 10 AM PST Tuesday. * IMPACTS...Travel will become slick and hazardous by early Tuesday morning, including the peak commute time. PRECAUTIONARY/PREPAREDNESS ACTIONS... Even light snowfall causes major travel delays, especially during periods of high traffic volume. Be sure to allow extra time to reach your destination. Leave extra space between vehicles since it takes longer to stop on slick roadways. The latest road conditions can be obtained by calling 5 1 1. && $$ http://www.weather.gov/reno
292 WWUS45 KREV 141310 WSWREV URGENT - WINTER WEATHER MESSAGE National Weather Service Reno NV 510 AM PST Tue Dec 14 2021 CAZ071-151315- /O.NEW.KREV.WS.A.0010.211216T0000Z-211216T2000Z/ /O.CON.KREV.WS.W.0003.000000T0000Z-211215T0000Z/ Lassen-Eastern Plumas-Eastern Sierra Counties- Including the cities of Portola and Susanville 510 AM PST Tue Dec 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... ...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY MORNING... * CHANGES...Added Winter Storm Watch for next storm late Wednesday into Thursday. Updated additional snow totals for current warning. * WHAT...For the Winter Storm Warning, snow expected. Additional snow accumulations of 1 to 4 inches, with localized amounts up to 6 inches west of highway 395. For the Winter Storm Watch, heavy snow possible. Total snow accumulations of 2 to 6 inches, except 6 to 14 inches west of Highway 395 possible late Wednesday afternoon through Thursday morning. Winds could gust up to 40 mph. * WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties. * WHEN...For the Winter Storm Warning, until 4 PM PST this afternoon. For the Winter Storm Watch, from Wednesday afternoon through Thursday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions will impact this morning's commute. The next storm will likely affect the Wednesday afternoon and especially the Thursday morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid travel if possible, you could be stuck in your vehicle for many hours. If you must travel, prepare for long delays and carry an emergency kit with extra food, water and clothing. If you stay home, have a backup plan in case of power outages. The latest road conditions can be obtained by calling 5 1 1. && $$ CAZ072-NVZ002-151315- /O.NEW.KREV.WS.A.0010.211216T0000Z-211216T2000Z/ /O.CON.KREV.WS.W.0003.000000T0000Z-211215T0600Z/ Greater Lake Tahoe Area- Including the cities of South Lake Tahoe, Truckee, Stateline, and Incline Village 510 AM PST Tue Dec 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... ...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY MORNING... * CHANGES...Added Winter Storm Watch for next storm late Wednesday into Thursday. Updated additional snow totals for current warning. * WHAT...For the Winter Storm Warning, heavy snow. Additional snow accumulations of 4 to 7 inches, except 6 to 12 inches above 7000 feet. For the Winter Storm Watch, heavy snow possible. Total snow accumulations of 6 to 14 inches, except up to 2 feet above 7000 feet possible late Wednesday afternoon through Thursday morning. Winds could gust up to 100 mph on Sierra ridges. * WHERE...Greater Lake Tahoe Area. * WHEN...For the Winter Storm Warning, until 10 PM PST this evening. For the Winter Storm Watch, from Wednesday afternoon through Thursday morning. * IMPACTS...The hazardous conditions will impact this morning's commute. The next storm will likely affect the Wednesday afternoon and especially the Thursday morning commute. Strong winds could damage trees and power lines. 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. && $$ CAZ073-151315- /O.NEW.KREV.WS.A.0010.211216T0600Z-211216T2000Z/ /O.CON.KREV.WS.W.0003.000000T0000Z-211215T0600Z/ Mono County- Including the cities of Bridgeport, Coleville, and Mammoth Lakes 510 AM PST Tue Dec 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... ...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY MORNING... * CHANGES...Added Winter Storm Watch for next storm late Wednesday into Thursday. Updated additional snow totals for current warning. * WHAT...For the Winter Storm Warning, heavy snow. Additional snow accumulations of 4 to 8 inches east of Highway 395, except up to 4 inches for the Chalfant Valley below 5500 feet. Along and west of Highway 395, additional accumulations of 8 to 18 inches, with up to 2 feet along the Sierra crest. For the Winter Storm Watch, heavy snow possible. Total snow accumulations of 4 to 10 inches near and west of Highway 395, except up to 16 inches possible along the Sierra crest Wednesday evening through Thursday morning. Winds could gust from 80 to 100 mph on Sierra ridges with both storms. * WHERE...Mono County. * WHEN...For the Winter Storm Warning, until 10 PM PST this evening. For the Winter Storm Watch, from Wednesday evening through Thursday morning. * IMPACTS...The hazardous conditions will impact this morning's commute. The next storm will likely affect the Thursday morning commute. Strong winds could damage trees and power lines. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid travel if possible, you could be stuck in your vehicle for many hours. If you must travel, prepare for long delays and carry an emergency kit with extra food, water and clothing. If you stay home, have a backup plan in case of power outages. The latest road conditions can be obtained by calling 5 1 1. && $$ NVZ003-141800- /O.CON.KREV.WS.W.0003.000000T0000Z-211214T1800Z/ Greater Reno-Carson City-Minden Area- Including the cities of Sparks, Gardnerville, and Virginia City 510 AM PST Tue Dec 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * CHANGES...Updated additional snow totals for current warning. * WHAT...Snow. Additional snow accumulations of 1 to 3 inches, with localized amounts up to 5 inches. * WHERE...Greater Reno-Carson City-Minden Area. * WHEN...Until 10 AM PST this morning. * IMPACTS...Travel could be very difficult. The hazardous conditions will impact this morning's commute. * ADDITIONAL DETAILS...Another storm system may bring accumulating snow to all elevations Wednesday evening into Thursday morning, affecting the Thursday morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel this morning, be prepared for long delays especially during commute times. Check with NDOT for the latest chain or snow tire requirements before traveling. The latest road conditions can be obtained by calling 5 1 1. && $$ CAZ070-NVZ005-141800- /O.CON.KREV.WW.Y.0021.000000T0000Z-211214T1800Z/ Surprise Valley California-Northern Washoe County- Including the cities of Cedarville, Fort Bidwell, Empire, and Gerlach 510 AM PST Tue Dec 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * CHANGES...Updated additional snow totals for current advisory. * WHAT...Snow. Additional snow accumulations of up to one inch. * WHERE...Surprise Valley California and Northern Washoe County. * WHEN...Until 10 AM PST this morning. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Even lighter snowfall causes major travel delays, especially during periods of high traffic volume. Be sure to allow extra time to reach your destination. Leave extra space between vehicles since it takes longer to stop on slick roadways. The latest road conditions can be obtained by calling 5 1 1. && $$ NVZ001-004-141800- /O.CON.KREV.WW.Y.0021.000000T0000Z-211214T1800Z/ Mineral and Southern Lyon Counties- Western Nevada Basin and Range including Pyramid Lake- Including the cities of Hawthorne, Yerington, Smith Valley, Fernley, Fallon, Lovelock, Silver Springs, and Imlay 510 AM PST Tue Dec 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Snow. Additional snow accumulations up to 3 inches, with up to 6 inches above 5000 feet mainly east of Highway 95 and south of Highway 50. * WHERE...Mineral and Southern Lyon Counties and Western Nevada Basin and Range including Pyramid Lake. * WHEN...Until 10 AM PST this morning. * IMPACTS...Travel could be very difficult. The hazardous conditions will impact this morning's commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Even light snowfall causes major travel delays, especially during periods of high traffic volume. Be sure to allow extra time to reach your destination. Leave extra space between vehicles since it takes longer to stop on slick roadways. The latest road conditions can be obtained by calling 5 1 1. && $$ http://www.weather.gov/reno
429 WWUS45 KREV 141810 WSWREV URGENT - WINTER WEATHER MESSAGE National Weather Service Reno NV 1010 AM PST Tue Dec 14 2021 CAZ071-150000- /O.CAN.KREV.WS.W.0003.000000T0000Z-211215T0000Z/ /O.CON.KREV.WS.A.0010.211216T0000Z-211216T2000Z/ Lassen-Eastern Plumas-Eastern Sierra Counties- Including the cities of Portola and Susanville 1010 AM PST Tue Dec 14 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY MORNING... ...WINTER STORM WARNING FOR TODAY IS CANCELLED... * CHANGES...Additional light snow showers are likely throughout the day into early evening, however the risk of heavy snows has ended for today. Expect slick roads going into the evening commute as temperatures drop, especially after sunset. * WHAT...Heavy snow possible with the next storm starting Wednesday afternoon. Total snow accumulations of 2 to 4 inches, except 3 to 11 inches west of highway 395 possible. * WHERE...Lassen-Eastern Plumas-Eastern Sierra Counties. * WHEN...From Wednesday afternoon through Thursday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Now is the time to prepare an emergency kit for your home and car. If traveling consider alternate plans, remember to carry tire chains, extra food, water and clothing. Once the storm arrives, travel may be difficult or impossible for an extended period of time. && $$ NVZ003-141915- /O.EXP.KREV.WS.W.0003.000000T0000Z-211214T1800Z/ Greater Reno-Carson City-Minden Area- 1010 AM PST Tue Dec 14 2021 ...WINTER STORM WARNING HAS EXPIRED... Additional light snow showers are likely throughout the day into early evening, however the risk of heavy snows has ended for Western Nevada. Expect slick roads going into the evening commute as temperatures drop, especially after sunset. $$ CAZ070-NVZ001-004-005-141915- /O.EXP.KREV.WW.Y.0021.000000T0000Z-211214T1800Z/ Surprise Valley California-Mineral and Southern Lyon Counties- Western Nevada Basin and Range including Pyramid Lake- Northern Washoe County- 1010 AM PST Tue Dec 14 2021 ...WINTER WEATHER ADVISORY HAS EXPIRED... Additional light snow showers are likely throughout the day into early evening, however the risk of heavy snows has ended. Expect slick roads going into the evening commute as temperatures drop, especially after sunset. $$ CAZ072-NVZ002-150000- /O.CON.KREV.WS.W.0003.000000T0000Z-211215T0600Z/ /O.CON.KREV.WS.A.0010.211216T0000Z-211216T2000Z/ Greater Lake Tahoe Area- Including the cities of South Lake Tahoe, Truckee, Stateline, and Incline Village 1010 AM PST Tue Dec 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY MORNING... * WHAT...Additional snowfall accumulations of 1 to 4 inches today. For the Winter Storm Watch, heavy snow possible. Total snow accumulations of 5 to 15 inches, except 10 to 20 inches above 7000 feet possible. Wind gusts to 40 mph with Sierra ridges gusting 80 mph. * WHERE...Greater Lake Tahoe Area. * WHEN...For the Winter Storm Warning, until 10 PM PST this evening. For the Winter Storm Watch, from Wednesday afternoon through Thursday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commutes. Very strong winds could cause extensive tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Now is the time to prepare an emergency kit for your home and car. If traveling consider alternate plans, remember to carry tire chains, extra food, water and clothing. Once the storm arrives, travel may be difficult or impossible for an extended period of time. The latest road conditions can be obtained by calling 5 1 1. && $$ CAZ073-150000- /O.CON.KREV.WS.W.0003.000000T0000Z-211215T0600Z/ /O.CON.KREV.WS.A.0010.211216T0600Z-211216T2000Z/ Mono County- Including the cities of Bridgeport, Coleville, and Mammoth Lakes 1010 AM PST Tue Dec 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... ...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY MORNING... * WHAT...Additional snowfall accumulations of 3 to 6 inches along Highway 395 and 8 to 12 inches near Mammoth Lakes. For the Winter Storm Watch, heavy snow possible. Total snow accumulations 6 to 12 inches, mainly near and west of Highway 395. Wind gusts to 45 mph with Sierra ridges gusting over 75 mph. * WHERE...Mono County. * WHEN...For the Winter Storm Warning, until 10 PM PST this evening. For the Winter Storm Watch, from Wednesday evening through Thursday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commutes. Strong winds could cause extensive tree damage and possible power outages. The cold wind chills in higher elevations as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Now is the time to prepare an emergency kit for your home and car. If traveling consider alternate plans, remember to carry tire chains, extra food, water and clothing. Once the storm arrives, travel may be difficult or impossible for an extended period of time. The latest road conditions can be obtained by calling 5 1 1. && $$ http://www.weather.gov/reno
The office that day
Everything else NWS Reno, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 12, 2:51 PM PST | High Wind Warning | REV | Lyon, Mineral | 31 hr |
| Dec 12, 2:51 PM PST | Lake Wind Advisory | REV | Churchill, Lyon, Pershing, Washoe | 27 hr |
Nearby
Winter Weather Advisories in Nevada, 2021Winter Weather Advisories in California, 2021Every winter weather advisory in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.