Alert archive / Nevada / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 9, NWS Reno, NV

August 1, 2021Pershing County, Washoe County, Nevada

NWS Reno, NV issued this severe thunderstorm warning at Aug 1, 2021, 7:30 PM PDT for Pershing County, Washoe County, Nevada. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 1, 2021, 7:30 PM PDT (02:30 UTC)
Expired
Aug 1, 2021, 8:00 PM PDT
In force
30 min
Issued by
NWS Reno, NV
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Pershing County, NV, Washoe County, NV

The radar

The Reno radar (KRGX), 67 km from the middle of the area, began a volume at 02:31 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, 2.5 hours before the alert went out and 122 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 2021-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 204 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2021-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
204 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
2730 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

041 
WUUS55 KREV 020230
SVRREV
NVC027-031-020300-
/O.NEW.KREV.SV.W.0009.210802T0230Z-210802T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Reno NV
730 PM PDT Sun Aug 1 2021

The National Weather Service in Reno has issued a

* Severe Thunderstorm Warning for...
  Central Washoe County in western Nevada...
  West central Pershing County in west central Nevada...

* Until 800 PM PDT.

* At 730 PM PDT, a severe thunderstorm was located 18 miles south of
  Gerlach-Empire, or 21 miles south of Gerlach, moving east at 10
  mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Kumiva Peak.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4024 11934 4041 11939 4051 11909 4024 11902
TIME...MOT...LOC 0230Z 258DEG 8KT 4035 11927 

HAIL...1.00IN
WIND...<50MPH
 
$$

CJ
1 follow-up statement
956 
WWUS55 KREV 020302
SVSREV

Severe Weather Statement
National Weather Service Reno NV
802 PM PDT Sun Aug 1 2021

NVC027-031-020312-
/O.EXP.KREV.SV.W.0009.000000T0000Z-210802T0300Z/
Washoe NV-Pershing NV-
802 PM PDT Sun Aug 1 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL WASHOE AND WEST
CENTRAL PERSHING COUNTIES HAS EXPIRED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been allowed to expire. However small 
hail, gusty winds, and heavy rain are still possible with this 
thunderstorm.

LAT...LON 4024 11934 4041 11939 4051 11909 4024 11902
TIME...MOT...LOC 0302Z 258DEG 8KT 4036 11918 

$$

CJ

The office that day

Everything else NWS Reno, NV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 1, 7:03 PM PDTSevere Thunderstorm WarningREVPershing, Washoe27 min
Aug 1, 7:16 PM PDTSpecial Weather StatementREVWashoe44 min
Aug 1, 7:57 PM PDTAreal Flood AdvisoryREVPershing, Washoe3 hr

Nearby

Severe Thunderstorm Warnings in Nevada, 2021Every severe thunderstorm warning 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.