Alert archive / California / Wind Advisories in 2021

Wind Advisory 5, NWS Reno, NV

February 15, 2021Mono County, California

NWS Reno, NV issued this wind advisory at Feb 15, 2021, 3:04 AM PST for Mono County, California. It took effect at Feb 15, 2021, 10:00 AM PST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Feb 15, 2021, 3:04 AM PST (11:04 UTC)
In effect from
Feb 15, 2021, 10:00 AM PST
Expired
Feb 15, 2021, 7:00 PM PST
In force
9 hr
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 11:05 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 00:00Z, 11.1 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 00:00Z on 2021-02-15Temperature 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 00:00Z on 2021-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 203 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
1142 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
203 m²/s²
0-3 km storm-relative helicity
367 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

193 
WWUS75 KREV 151104
NPWREV

URGENT - WEATHER MESSAGE
National Weather Service Reno NV
304 AM PST Mon Feb 15 2021

CAZ073-160300-
/O.NEW.KREV.WI.Y.0005.210215T1800Z-210216T0300Z/
Mono County-
Including the cities of Bridgeport, Coleville, Lee Vining, 
and Mammoth Lakes
304 AM PST Mon Feb 15 2021

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM PST
THIS EVENING...

* WHAT...Southwest winds 20 to 35 mph with gusts up to 55 mph
  expected. Gusts to 70 mph in wind prone areas including portions
  of US-395 through this evening. Sierra ridge gusts up to 100 
  mph.

* WHERE...Mono County.

* WHEN...From 10 AM this morning to 7 PM PST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  Travel will be difficult, especially for high profile vehicles.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Travel restrictions for high profiles vehicles are likely. Follow
instructions on highway signs and do not attempt travel on
restricted highways. Winds could be strong enough to push your
vehicle out of your travel lane. Check with NDOT or CalTrans for
the latest road information.

&&

$$

CAZ072-NVZ002-160800-
/O.CON.KREV.LW.Y.0007.000000T0000Z-210216T0800Z/
Greater Lake Tahoe Area-
Including the cities of South Lake Tahoe, Tahoe City, Truckee, 
Markleeville, Stateline, Glenbrook, and Incline Village
304 AM PST Mon Feb 15 2021

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PST
TONIGHT FOR LAKE TAHOE...

* CHANGES...None.

* WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph 
  expected. Waves 2 to 4 feet with the highest waves expected on 
  the eastern shores.

* WHERE...Lake Tahoe.

* WHEN...From midnight tonight to midnight PST Monday night.

* 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.

&&

$$

NVZ004-160300-
/O.CON.KREV.LW.Y.0007.210215T1800Z-210216T0300Z/
Western Nevada Basin and Range including Pyramid Lake-
Including the cities of Fernley, Fallon, Lovelock, 
Silver Springs, Nixon, and Imlay
304 AM PST Mon Feb 15 2021

...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 7 PM PST THIS EVENING FOR PYRAMID LAKE...

* CHANGES...None.

* WHAT...West winds 15 to 25 mph with gusts up to 45 mph 
  expected. Waves 2 to 5 feet with the highest waves expected on 
  the eastern shores.

* WHERE...Pyramid Lake.

* WHEN...From 10 AM to 7 PM PST Monday.

* 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.

&&

$$

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

Nearby

Wind Advisories in California, 2021Every wind 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.