Alert archive / California / High Wind Watches in 2021

High Wind Watch 2, NWS Reno, NV

March 5, 2021Mono County, California

NWS Reno, NV issued this high wind watch at Mar 5, 2021, 10:17 AM PST for Mono County, California. It took effect at Mar 6, 2021, 12:00 AM PST. It was in force for .

The area

The counties it named.

The facts

Issued
Mar 5, 2021, 10:17 AM PST (18:17 UTC)
In effect from
Mar 6, 2021, 12:00 AM PST
Expired
Mar 5, 2021, 4:22 PM PST
In force
Issued by
NWS Reno, NV

County Mono County, CA

The radar

The San Joaquin Valley radar (KHNX), 192 km from the middle of the area, began a volume at 18:18 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, 6.3 hours before the alert went out and 191 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 2021-03-05Temperature 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 2021-03-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 square meters per square second.19395878Sfc1 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
3025 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
225 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

369 
WWUS75 KREV 051817
NPWREV

URGENT - WEATHER MESSAGE
National Weather Service Reno NV
1017 AM PST Fri Mar 5 2021

CAZ072-NVZ002-061100-
/O.CON.KREV.LW.Y.0014.000000T0000Z-210306T2100Z/
Greater Lake Tahoe Area-
Including the cities of South Lake Tahoe, Tahoe City, Truckee, 
Markleeville, Stateline, Glenbrook, and Incline Village
1017 AM PST Fri Mar 5 2021

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST SATURDAY
FOR LAKE TAHOE...

* CHANGES...Added a mention of strong wind gusts at South Lake
  Tahoe and broke out period of strongest winds (tonight).

* WHAT...South winds 15 to 20 mph with gusts to 30 mph this
  afternoon increasing to south to southwest 15 to 25 mph with
  gusts up to 40 mph tonight. Waves 2 to 4 feet with the highest
  waves on the north and northeast shores.

* WHERE...Lake Tahoe.

* WHEN...until 1 PM PST Saturday.

* ADDITIONAL DETAILS...Strong wind gusts of around 50 mph from the
  south are possible at South Lake Tahoe overnight into early
  Saturday morning.

* IMPACTS...Small boats, kayaks and paddle boards will be prone 
  to capsizing and should remain off lake waters until 
  conditions improve.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Check lake conditions before heading out and be prepared for a
sudden increase in winds and wave heights. Consider postponing
boating activities on the lake until a day with less wind.

&&

$$

NVZ004-061100-
/O.CON.KREV.LW.Y.0014.210305T2100Z-210307T0300Z/
Western Nevada Basin and Range including Pyramid Lake-
Including the cities of Fernley, Fallon, Lovelock, 
Silver Springs, Nixon, and Imlay
1017 AM PST Fri Mar 5 2021

...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON
TO 7 PM PST SATURDAY FOR PYRAMID LAKE...

* CHANGES...None.

* WHAT...South to southwest winds 10 to 20 mph with gusts up to 30
  mph becoming west Saturday morning. Waves 2 to 3 feet from mid-lake
  to the north to eastern shores.

* WHERE...Pyramid Lake.

* WHEN...From 1 PM Friday to 7 PM PST Saturday.

* IMPACTS...Small boats, kayaks and paddle boards will be prone 
  to capsizing and should remain off lake waters until 
  conditions improve.

* ADDITIONAL DETAILS...Winds should decrease in intensity Friday 
  evening before increasing again early Saturday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Check lake conditions before heading out and be prepared for a
sudden increase in winds and wave heights. Consider postponing
boating activities on the lake until a day with less wind.

&&

$$

CAZ073-061100-
/O.NEW.KREV.HW.A.0002.210306T0800Z-210306T1600Z/
Mono County-
Including the cities of Bridgeport, Coleville, Lee Vining, 
and Mammoth Lakes
1017 AM PST Fri Mar 5 2021

...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY
MORNING...

* WHAT...South to southwest winds 20 to 40 mph with gusts up to 60
  mph possible. Wind gusts of 60-80 mph will be possible at the
  mouths of canyons and for exposed passes along Highway 395. Up
  to 100 mph gusts are likely for Sierra ridges including Mammoth
  Mountain. The towns of Mammoth Lakes, Lee Vining, and  
  Bridgeport as well as lower elevation areas will likely see 
  gusts in the 40-60 mph range.
 
* WHERE...Mono County.

* WHEN...From late tonight through Saturday morning.

* IMPACTS...Damaging winds could blow down trees and power lines.
  Power outages are possible. Travel could be difficult, 
  especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Now is the time to secure loose outdoor items such as patio
furniture and trash cans before winds increase. The best thing to
do is prepare ahead of time by making sure you have extra food 
and water on hand, flashlights with spare batteries and/or candles
in the event of a power outage.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/rev
1 follow-up statement
802 
WWUS75 KREV 060022
NPWREV

URGENT - WEATHER MESSAGE
National Weather Service Reno NV
422 PM PST Fri Mar 5 2021

CAZ072-NVZ002-061800-
/O.NEW.KREV.WI.Y.0007.210306T0600Z-210306T1800Z/
/O.EXT.KREV.LW.Y.0014.000000T0000Z-210306T0600Z/
Greater Lake Tahoe Area-
Including the cities of South Lake Tahoe, Tahoe City, Truckee, 
Markleeville, Stateline, Glenbrook, and Incline Village
422 PM PST Fri Mar 5 2021

...LAKE WIND ADVISORY NOW IN EFFECT UNTIL 10 PM PST THIS EVENING
FOR LAKE TAHOE...
...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST
SATURDAY...

* CHANGES...Upgrade to Wind Advisory for the Tahoe Basin late
  tonight into Saturday morning.

* WHAT...For the Lake Wind Advisory, south winds 10 to 15 mph 
  with gusts up to 30 mph. Waves 2 to 4 feet. For the Wind 
  Advisory, southwest winds 20 to 30 mph with gusts up to 50 mph 
  expected. Waves 3 to 5 feet overnight.

* WHERE...Greater Lake Tahoe Area.

* WHEN...For the Lake Wind Advisory, until 10 PM PST this 
  evening. For the Wind Advisory, from 10 PM this evening to 10 
  AM PST Saturday.

* ADDITIONAL DETAILS...Strong wind gusts of around 60 mph from 
  the south are possible at South Lake Tahoe overnight into early 
  Saturday morning..

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. Small boats, kayaks and paddle boards will be prone 
  to capsizing and should remain off lake waters until 
  conditions improve.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Now is the time to secure loose outdoor items such as patio
furniture, holiday decorations, and trash cans before winds
increase which could blow these items away. The best thing to do
is prepare ahead of time by making sure you have extra food and
water on hand, flashlights with spare batteries and/or candles in
the event of a power outage.

&&

$$

CAZ073-061800-
/O.UPG.KREV.HW.A.0002.210306T0800Z-210306T1600Z/
/O.NEW.KREV.WI.Y.0007.210306T0600Z-210306T1800Z/
Mono County-
Including the cities of Bridgeport, Coleville, Lee Vining, 
and Mammoth Lakes
422 PM PST Fri Mar 5 2021

...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST
SATURDAY...

* CHANGES...Upgrade to Wind Advisory for Mono County.

* WHAT...South winds 20 to 40 mph with gusts up to 60 mph
  expected. Wind prone areas could see gusts up to 80 mph. Sierra 
  ridge gusts up to 120 mph possible.

* WHERE...Mono County.

* WHEN...From 10 PM this evening to 10 AM PST Saturday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  Fire danger will be elevated for lower valleys along and east of
  US-395.

* ADDITIONAL DETAILS...Strongest winds are expected from Lee
  Vining to Bridgeport after midnight into the early morning hours
  Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Now is the time to secure loose outdoor items such as patio
furniture, holiday decorations, and trash cans before winds
increase which could blow these items away. The best thing to do
is prepare ahead of time by making sure you have extra food and
water on hand, flashlights with spare batteries and/or candles in
the event of a power outage.

&&

$$

NVZ004-070030-
/O.CON.KREV.LW.Y.0014.000000T0000Z-210307T0300Z/
Western Nevada Basin and Range including Pyramid Lake-
Including the cities of Fernley, Fallon, Lovelock, 
Silver Springs, Nixon, and Imlay
422 PM PST Fri Mar 5 2021

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST SATURDAY
FOR PYRAMID LAKE...

* CHANGES...none.

* WHAT...Southwest winds 10 to 20 mph with gusts up to 35 mph.
  Waves 1 to 3 feet from mid-lake to the north to eastern shores.

* WHERE...Western Nevada Basin and Range including Pyramid Lake.

* WHEN...Until 7 PM PST Saturday.

* IMPACTS...Small boats, kayaks and paddle boards will be prone 
  to capsizing and should remain off lake waters until 
  conditions improve.

* ADDITIONAL DETAILS...Winds should decrease in intensity Friday 
  evening before increasing again early Saturday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Check lake conditions before heading out and be prepared for a
sudden increase in winds and wave heights. Consider postponing
boating activities on the lake until a day with less wind.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/rev

Nearby

High Wind Watches in California, 2021Every high wind watch 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.