Alert archive / California / Wind Advisories in 2020

Wind Advisory 3, NWS Reno, NV

January 21, 2020Lassen County, Plumas County, Sierra County, California

NWS Reno, NV issued this wind advisory at Jan 21, 2020, 2:28 AM PST for Lassen County, Plumas County, Sierra County, California. It took effect at Jan 21, 2020, 11:00 AM PST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jan 21, 2020, 2:28 AM PST (10:28 UTC)
In effect from
Jan 21, 2020, 11:00 AM PST
Expired
Jan 21, 2020, 8:00 PM PST
In force
9 hr
Issued by
NWS Reno, NV

Counties Lassen County, CA, Plumas County, CA, Sierra County, CA

The radar

The Beale AFB radar (KBBX), 107 km from the middle of the area, began a volume at 10:31 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, 10.5 hours before the alert went out and 217 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 2020-01-21Temperature 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 2020-01-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
2316 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
291 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

406 
WWUS75 KREV 211028
NPWREV

URGENT - WEATHER MESSAGE
National Weather Service Reno NV
228 AM PST Tue Jan 21 2020

CAZ071-220400-
/O.NEW.KREV.WI.Y.0003.200121T1900Z-200122T0400Z/
Lassen-Eastern Plumas-Eastern Sierra Counties-
Including the cities of Portola, Susanville, Westwood, 
Sierraville, and Loyalton
228 AM PST Tue Jan 21 2020

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

* WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph.
  Wind prone locations along the US-395 corridor may see gusts up
  to 55 mph. 

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

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

* IMPACTS...Hazardous crosswinds are expected, particularly for
  high profile vehicles along US-395 between Susanville and the
  Nevada stateline.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Secure loose outdoor items such as patio furniture, trash cans, 
etc. 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.

&&

$$

CAZ072-NVZ002-220400-
/O.CON.KREV.LW.Y.0008.200121T1200Z-200122T0600Z/
Greater Lake Tahoe Area-
Including the cities of South Lake Tahoe, Tahoe City, Truckee, 
Markleeville, Stateline, Glenbrook, and Incline Village
228 AM PST Tue Jan 21 2020

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING FOR LAKE TAHOE...


* WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph 
  expected. Waves 2 to 4 feet.

* WHERE...Greater Lake Tahoe Area.

* WHEN...Until 10 PM PST 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. It would be a solid
idea to postpone boating activities on the lake until a day with 
less wind.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/rev
1 follow-up statement
745 
WWUS75 KREV 211224
NPWREV

URGENT - WEATHER MESSAGE
National Weather Service Reno NV
424 AM PST Tue Jan 21 2020

CAZ071-220400-
/O.CON.KREV.WI.Y.0003.200121T1900Z-200122T0400Z/
Lassen-Eastern Plumas-Eastern Sierra Counties-
Including the cities of Portola, Susanville, Westwood, 
Sierraville, and Loyalton
424 AM PST Tue Jan 21 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM PST THIS EVENING...

* CHANGES...Corrected headline wording.

* WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph. 
  Wind prone locations along the US-395 corridor may see gusts 
  up to 55 mph.

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

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

* IMPACTS...Hazardous crosswinds are expected, particularly for 
  high profile vehicles along US-395 between Susanville and the 
  Nevada stateline.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Secure loose outdoor items such as patio furniture, trash cans,
etc. 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.

&&

$$

CAZ072-NVZ002-220400-
/O.CON.KREV.LW.Y.0008.000000T0000Z-200122T0600Z/
Greater Lake Tahoe Area-
Including the cities of South Lake Tahoe, Tahoe City, Truckee, 
Markleeville, Stateline, Glenbrook, and Incline Village
424 AM PST Tue Jan 21 2020

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING FOR LAKE TAHOE...


* WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph 
  expected. Waves 2 to 4 feet.

* WHERE...Greater Lake Tahoe Area.

* WHEN...Until 10 PM PST 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. It would be a solid
idea to postpone 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, 2020Every wind advisory in 2020

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.