Alert archive / Nevada / Lake Wind Advisories in 2021

Lake Wind Advisory 49, NWS Reno, NV

August 20, 20216 counties in Nevada; 4 counties in California

NWS Reno, NV issued this lake wind advisory at Aug 20, 2021, 12:31 PM PDT for 6 counties in Nevada; 4 counties in California. It took effect at Aug 21, 2021, 11:00 AM PDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Aug 20, 2021, 12:31 PM PDT (19:31 UTC)
In effect from
Aug 21, 2021, 11:00 AM PDT
Expired
Aug 21, 2021, 8:00 PM PDT
In force
9 hr
Issued by
NWS Reno, NV

Counties Alpine County, CA, El Dorado County, CA, Nevada County, CA, Placer County, CA, Churchill County, NV, Douglas County, NV, Lyon County, NV, Pershing County, NV, Storey County, NV, Washoe County, NV

The radar

The Reno radar (KRGX), 45 km from the middle of the area, began a volume at 19:29 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, 7.5 hours before the alert went out and 127 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 2021-08-20Temperature 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 km15 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 2021-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -43 square meters per square second.1939Sfc1 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
2616 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-43 m²/s²
0-3 km storm-relative helicity
-18 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

385 
WWUS75 KREV 201931
NPWREV

URGENT - WEATHER MESSAGE
National Weather Service Reno NV
1231 PM PDT Fri Aug 20 2021

NVZ004-211945-
/O.NEW.KREV.LW.Y.0049.210821T2100Z-210822T0300Z/
Western Nevada Basin and Range including Pyramid Lake-
Including the cities of Fernley, Fallon, Lovelock, 
Silver Springs, Nixon, and Imlay
1231 PM PDT Fri Aug 20 2021

...LAKE WIND ADVISORY IN EFFECT FROM 2 PM TO 8 PM PDT SATURDAY...

* WHAT...West winds 15 to 20 mph with gusts up to 35 mph 
  expected. Waves 1 to 3 feet.

* WHERE...Pyramid, Lahontan and Rye Patch.

* WHEN...From 2 PM to 8 PM PDT Saturday.

* 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
2 follow-up statements
765 
WWUS75 KREV 210946
NPWREV

URGENT - WEATHER MESSAGE
National Weather Service Reno NV
246 AM PDT Sat Aug 21 2021

CAZ072-NVZ002-220300-
/O.EXB.KREV.LW.Y.0049.210821T1800Z-210822T0300Z/
Greater Lake Tahoe Area-
Including the cities of South Lake Tahoe, Tahoe City, Truckee, 
Markleeville, Stateline, Glenbrook, and Incline Village
246 AM PDT Sat Aug 21 2021

...LAKE WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM
PDT THIS EVENING FOR LAKE TAHOE...

* WHAT...Southwest winds 10 to 20 mph with gusts up to 35 mph 
  expected. Waves 1 to 3 feet.

* WHERE...Lake Tahoe, Donner, Fallen Leaf, Prosser and Boca. 

* WHEN...From 11 AM this morning to 8 PM PDT this evening.

* 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.

&&

$$

NVZ003-220300-
/O.EXA.KREV.LW.Y.0049.210821T2100Z-210822T0300Z/
Greater Reno-Carson City-Minden Area-
Including the cities of Sparks, Verdi, Gardnerville, 
and Virginia City
246 AM PDT Sat Aug 21 2021

...LAKE WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM
PDT THIS EVENING...

* WHAT...West winds 15 to 20 mph with gusts up to 35 mph expected.
  Waves 1 to 3 feet on Lake Tahoe.

* WHERE...Washoe.

* WHEN...From 2 PM to 8 PM PDT Saturday.

* 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.

&&

$$

NVZ004-220300-
/O.CON.KREV.LW.Y.0049.210821T2100Z-210822T0300Z/
Western Nevada Basin and Range including Pyramid Lake-
Including the cities of Fernley, Fallon, Lovelock, 
Silver Springs, Nixon, and Imlay
246 AM PDT Sat Aug 21 2021

...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON
TO 8 PM PDT THIS EVENING...

* WHAT...Southwest winds 15 to 25 mph with gusts up to 35 mph 
  expected. Waves 1 to 4 feet on Pyramid Lake.

* WHERE...Pyramid, Lahontan, and Rye Patch.

* WHEN...From 2 PM to 8 PM PDT Saturday.

* 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
562 
WWUS75 KREV 220252
NPWREV

URGENT - WEATHER MESSAGE
National Weather Service Reno NV
752 PM PDT Sat Aug 21 2021

CAZ072-NVZ002-220400-
/O.EXP.KREV.LW.Y.0049.000000T0000Z-210822T0300Z/
Greater Lake Tahoe Area-
Including the cities of South Lake Tahoe, Tahoe City, Truckee, 
Markleeville, Stateline, Glenbrook, and Incline Village
752 PM PDT Sat Aug 21 2021

...LAKE WIND ADVISORY WILL EXPIRE AT 8 PM PDT THIS EVENING FOR
LAKE TAHOE...

Winds are beginning to decrease and will become light overnight.

$$

NVZ004-220400-
/O.EXP.KREV.LW.Y.0049.000000T0000Z-210822T0300Z/
Western Nevada Basin and Range including Pyramid Lake-
Including the cities of Fernley, Fallon, Lovelock, 
Silver Springs, Nixon, and Imlay
752 PM PDT Sat Aug 21 2021

...LAKE WIND ADVISORY WILL EXPIRE AT 8 PM PDT THIS EVENING...

Winds are beginning to decrease and will become light overnight.

$$

NVZ003-220400-
/O.EXP.KREV.LW.Y.0049.000000T0000Z-210822T0300Z/
Greater Reno-Carson City-Minden Area-
Including the cities of Sparks, Verdi, Gardnerville, 
and Virginia City
752 PM PDT Sat Aug 21 2021

...LAKE WIND ADVISORY WILL EXPIRE AT 8 PM PDT THIS EVENING...

Winds are beginning to decrease and will become light overnight.

$$

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

Nearby

Lake Wind Advisories in Nevada, 2021Lake Wind Advisories in California, 2021Every lake 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.