Alert archive / Nevada / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 8, NWS Las Vegas, NV

June 29, 2021Clark County, Lincoln County, Nevada

NWS Las Vegas, NV issued this severe thunderstorm warning at Jun 29, 2021, 4:17 PM PDT for Clark County, Lincoln County, Nevada. It was in force for 58 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
Jun 29, 2021, 4:17 PM PDT (23:17 UTC)
Expired
Jun 29, 2021, 5:15 PM PDT
In force
58 min
Issued by
NWS Las Vegas, NV
Area
Storm-based polygon
Hail
1.75 in
Wind
60.0 mph

Counties Clark County, NV, Lincoln County, NV

The radar

The Cedar City radar (KICX), 138 km from the middle of the area, began a volume at 23:19 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

Las Vegas, NV (KVEF), launched 12:00Z, 11.3 hours before the alert went out and 139 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, Las Vegas, NV at 12:00Z on 2021-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 41 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Las Vegas, NV at 12:00Z on 2021-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.193958Sfc1 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
41 J/kg
Mixed-layer CIN
-205 J/kg
Mixed-layer LCL
3715 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
38 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

672 
WUUS55 KVEF 292317
SVRVEF
NVC003-017-300015-
/O.NEW.KVEF.SV.W.0008.210629T2317Z-210630T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Las Vegas NV
417 PM PDT Tue Jun 29 2021

The National Weather Service in Las Vegas has issued a

* Severe Thunderstorm Warning for...
  Southeastern Lincoln County in south central Nevada...
  Northeastern Clark County in southern Nevada...

* Until 515 PM PDT.

* At 415 PM PDT, a severe thunderstorm was located 19 miles southeast
  of Cabin Pines Campground, or 20 miles southwest of Beaver Dam,
  moving south at 25 mph.

  HAZARD...Golf ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, windows, and vehicles. Expect wind 
           damage to roofs and trees.

* Locations impacted include...
  Carp.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3735 11434 3731 11406 3685 11406 3685 11476
TIME...MOT...LOC 2315Z 014DEG 20KT 3726 11426 

HAIL...1.75IN
WIND...60MPH
 
$$

JS
2 follow-up statements
312 
WWUS55 KVEF 292347
SVSVEF

Severe Weather Statement
National Weather Service Las Vegas NV
447 PM PDT Tue Jun 29 2021

NVC003-017-300015-
/O.CON.KVEF.SV.W.0008.000000T0000Z-210630T0015Z/
Lincoln NV-Clark NV-
447 PM PDT Tue Jun 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM PDT
FOR SOUTHEASTERN LINCOLN AND NORTHEASTERN CLARK COUNTIES...

At 442 PM PDT, a severe thunderstorm was located 24 miles northwest
of Mesquite, and is moving south around 20 mph. 

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, windows, and vehicles. Expect wind damage 
         to roofs and trees.

Locations impacted include...
Carp.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3735 11434 3731 11406 3685 11406 3685 11476
TIME...MOT...LOC 2342Z 014DEG 20KT 3711 11431 

HAIL...1.75IN
WIND...60MPH
 
$$

JS
417 
WWUS55 KVEF 300018
SVSVEF

Severe Weather Statement
National Weather Service Las Vegas NV
518 PM PDT Tue Jun 29 2021

NVC003-017-300027-
/O.EXP.KVEF.SV.W.0008.000000T0000Z-210630T0015Z/
Lincoln NV-Clark NV-
518 PM PDT Tue Jun 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LINCOLN AND
NORTHEASTERN CLARK 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 gusty
winds up to 50 mph are still possible with this thunderstorm.

LAT...LON 3735 11434 3731 11406 3685 11406 3685 11476
TIME...MOT...LOC 0017Z 014DEG 20KT 3693 11436 

$$

JS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 2:29 PM PDTFlash Flood Warning Considerable damage threatVEFClark2 hr
Jun 29, 3:24 PM PDTSevere Thunderstorm WarningVEFLincoln51 min
Jun 29, 3:26 PM PDTFlash Flood Warning Considerable damage threatVEFLincoln3 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.