Alert archive / Nevada / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 4, NWS Elko, NV

May 15, 2021Elko County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at May 15, 2021, 3:55 PM PDT for Elko County, Nevada. It was in force for 35 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
May 15, 2021, 3:55 PM PDT (22:55 UTC)
Expired
May 15, 2021, 4:30 PM PDT
In force
35 min
Issued by
NWS Elko, NV
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Elko County, NV

The radar

The Elko radar (KLRX), 131 km from the middle of the area, began a volume at 22:55 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

Elko, NV (KLKN), launched 12:00Z, 10.9 hours before the alert went out and 119 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, Elko, NV at 12:00Z on 2021-05-15Temperature 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, Elko, NV at 12:00Z on 2021-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2012 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

933 
WUUS55 KLKN 152255
SVRLKN
NVC007-152330-
/O.NEW.KLKN.SV.W.0004.210515T2255Z-210515T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Elko NV
355 PM PDT Sat May 15 2021

The National Weather Service in Elko Nevada has issued a

* Severe Thunderstorm Warning for...
  South central Elko County in northeastern Nevada...

* Until 430 PM PDT.

* At 354 PM PDT, a severe thunderstorm was located near Ruby Lake,
  moving north at 25 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Ruby Lake, Harrison Pass and Franklin Lake. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4039 11513 4012 11537 4012 11543 4017 11567
      4048 11554
TIME...MOT...LOC 2254Z 200DEG 21KT 4025 11548 

HAIL...0.75IN
WIND...60MPH
 
$$

SS
2 follow-up statements
521 
WWUS55 KLKN 152317
SVSLKN

Severe Weather Statement
National Weather Service Elko NV
417 PM PDT Sat May 15 2021

NVC007-152330-
/O.CON.KLKN.SV.W.0004.000000T0000Z-210515T2330Z/
Elko NV-
417 PM PDT Sat May 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM PDT
FOR SOUTH CENTRAL ELKO COUNTY...

At 416 PM PDT, a severe thunderstorm was located 12 miles north of
Ruby Lake, moving north at 25 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Harrison Pass and Franklin Lake. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4039 11513 4019 11531 4026 11547 4033 11560
      4048 11554
TIME...MOT...LOC 2316Z 200DEG 21KT 4037 11542 

HAIL...0.75IN
WIND...60MPH
 
$$

SS
172 
WWUS55 KLKN 152328
SVSLKN

Severe Weather Statement
National Weather Service Elko NV
428 PM PDT Sat May 15 2021

NVC007-152338-
/O.EXP.KLKN.SV.W.0004.000000T0000Z-210515T2330Z/
Elko NV-
428 PM PDT Sat May 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL ELKO COUNTY WILL
EXPIRE AT 430 PM PDT...
                
The storm which prompted the warning has weakened below severe
limits. Therefore, the warning will be allowed to expire.

LAT...LON 4039 11513 4019 11531 4026 11547 4033 11560
      4048 11554
TIME...MOT...LOC 2328Z 200DEG 21KT 4042 11540 

$$

SS

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 12:11 PM PDTSpecial Weather StatementLKN49 min
May 15, 1:19 PM PDTSpecial Weather StatementLKN41 min
May 15, 1:34 PM PDTSevere Thunderstorm WarningLKNEureka, White Pine26 min
May 15, 1:58 PM PDTSevere Thunderstorm WarningLKNEureka, White Pine32 min
May 15, 2:26 PM PDTSpecial Weather StatementLKN49 min
May 15, 2:29 PM PDTSpecial Weather StatementLKNEureka46 min
May 15, 3:10 PM PDTSpecial Weather StatementLKN50 min
May 15, 3:24 PM PDTSevere Thunderstorm WarningLKNElko, White Pine36 min
May 15, 3:31 PM PDTSpecial Weather StatementLKN44 min
May 15, 3:54 PM PDTSpecial Weather StatementLKN51 min
May 15, 4:07 PM PDTSpecial Weather StatementLKNElko38 min
May 15, 4:08 PM PDTSpecial Weather StatementLKN52 min
May 15, 4:10 PM PDTSpecial Weather StatementLKNElko50 min
May 15, 4:27 PM PDTSpecial Weather StatementLKN48 min
May 15, 4:40 PM PDTSpecial Weather StatementLKN50 min

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.