Alert archive / Nevada / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 11, NWS Elko, NV

July 31, 2021Elko County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at Jul 31, 2021, 3:24 PM PDT for Elko County, Nevada. It was in force for 51 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: Jul 31, 2021, 3:24 PM PDT (22:24 UTC)
Expired: Jul 31, 2021, 4:15 PM PDT
In force: 51 min
Issued by: NWS Elko, NV
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Elko County, NV

The radar

The Elko radar (KLRX), 98 km from the middle of the area, began a volume at 22:25 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, 10.4 hours before the alert went out and 123 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 75 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 693 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 47 m²/s²
0-3 km storm-relative helicity: 58 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

404 
WUUS55 KLKN 312224
SVRLKN
NVC007-312315-
/O.NEW.KLKN.SV.W.0011.210731T2224Z-210731T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Elko NV
324 PM PDT Sat Jul 31 2021

The National Weather Service in Elko Nevada has issued a

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

* Until 415 PM PDT.

* At 324 PM PDT, a severe thunderstorm was located near South Fork,
  moving north at 35 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Elko, South Fork, Ryndon, Spring Creek, Lee, Adobe Summit and
  Lamoille Summit.

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 4058 11550 4051 11567 4052 11580 4091 11591
      4099 11549
TIME...MOT...LOC 2224Z 177DEG 49KT 4062 11569 

HAIL...1.00IN
WIND...60MPH
 
$$

87

1 follow-up statement

112 
WWUS55 KLKN 312309
SVSLKN

Severe Weather Statement
National Weather Service Elko NV
409 PM PDT Sat Jul 31 2021

NVC007-312319-
/O.EXP.KLKN.SV.W.0011.000000T0000Z-210731T2315Z/
Elko NV-
409 PM PDT Sat Jul 31 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL ELKO COUNTY WILL
EXPIRE AT 415 PM PDT...
                
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 will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

LAT...LON 4058 11550 4051 11567 4052 11580 4091 11591
      4099 11549
TIME...MOT...LOC 2309Z 177DEG 49KT 4117 11573 

$$

87

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 30, 5:16 PM PDT	Special Weather Statement	LKN	Elko	29 min
Jul 30, 6:11 PM PDT	Areal Flood Advisory	LKN	Elko	2 hr
Jul 30, 6:39 PM PDT	Areal Flood Advisory	LKN	Elko	48 min
Jul 30, 7:08 PM PDT	Areal Flood Advisory	LKN	Lander	3 hr
Jul 30, 7:25 PM PDT	Areal Flood Advisory	LKN	Elko	3 hr
Jul 30, 7:30 PM PDT	Areal Flood Advisory	LKN	Elko	3 hr
Jul 30, 7:32 PM PDT	Areal Flood Advisory	LKN	Elko	3 hr
Jul 31, 12:51 PM PDT	Special Weather Statement	LKN	White Pine	24 min
Jul 31, 12:55 PM PDT	Special Weather Statement	LKN		35 min
Jul 31, 1:16 PM PDT	Special Weather Statement	LKN		29 min
Jul 31, 1:30 PM PDT	Special Weather Statement	LKN		30 min
Jul 31, 1:42 PM PDT	Special Weather Statement	LKN	Eureka	33 min
Jul 31, 1:58 PM PDT	Special Weather Statement	LKN		32 min
Jul 31, 1:59 PM PDT	Special Weather Statement	LKN		46 min
Jul 31, 2:05 PM PDT	Special Weather Statement	LKN	Eureka	25 min
Jul 31, 2:08 PM PDT	Special Weather Statement	LKN		37 min
Jul 31, 2:15 PM PDT	Special Weather Statement	LKN		30 min
Jul 31, 2:18 PM PDT	Areal Flood Advisory	LKN	Eureka, White Pine	3 hr
Jul 31, 2:21 PM PDT	Severe Thunderstorm Warning	LKN	Nye	24 min
Jul 31, 2:31 PM PDT	Special Weather Statement	LKN		44 min
Jul 31, 2:34 PM PDT	Special Weather Statement	LKN		26 min
Jul 31, 2:48 PM PDT	Special Weather Statement	LKN	Elko	42 min
Jul 31, 2:56 PM PDT	Special Weather Statement	LKN	Elko	49 min
Jul 31, 3:08 PM PDT	Special Weather Statement	LKN		52 min
Jul 31, 3:28 PM PDT	Special Weather Statement	LKN		32 min
Jul 31, 3:30 PM PDT	Special Weather Statement	LKN	Elko	45 min
Jul 31, 3:43 PM PDT	Special Weather Statement	LKN		32 min
Jul 31, 4:03 PM PDT	Areal Flood Advisory	LKN	Elko	117 min
Jul 31, 4:09 PM PDT	Special Weather Statement	LKN	Elko	36 min
Jul 31, 4:14 PM PDT	Special Weather Statement	LKN	Elko	31 min
Jul 31, 4:18 PM PDT	Special Weather Statement	LKN	Elko	42 min
Jul 31, 4:57 PM PDT	Special Weather Statement	LKN	Elko	48 min

Nearby

Severe Thunderstorm Warnings in Nevada, 2021 Every 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.