Alert archive / Nevada / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 21, NWS Elko, NV

July 31, 2014Elko County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at Jul 31, 2014, 3:07 PM PDT for Elko County, Nevada. It was in force for 38 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, 2014, 3:07 PM PDT (22:07 UTC)
Expired: Jul 31, 2014, 3:45 PM PDT
In force: 38 min
Issued by: NWS Elko, NV
Area: Storm-based polygon

County Elko County, NV

The radar

The Elko radar (KLRX), 86 km from the middle of the area, began a volume at 22:07 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, 10.1 hours before the alert went out and 138 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2080 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: -35 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

458 
WUUS55 KLKN 312207
SVRLKN
NVC007-312245-
/O.NEW.KLKN.SV.W.0021.140731T2207Z-140731T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ELKO NV
307 PM PDT THU JUL 31 2014

THE NATIONAL WEATHER SERVICE IN ELKO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL ELKO COUNTY IN NORTHEAST NEVADA...
  THIS INCLUDES SOUTH FORK RESERVOIR...

* UNTIL 345 PM PDT

* AT 302 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 7 MILES
  WEST OF SOUTH FORK RESERVOIR...AND MOVING SOUTHEAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
   SOUTH FORK RESERVOIR...
   STATE HIGHWAY 228...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

&&

LAT...LON 4063 11563 4046 11585 4064 11603 4076 11586
TIME...MOT...LOC 2206Z 315DEG 13KT 4063 11586

$$

TURNER

2 follow-up statements

508 
WWUS55 KLKN 312220
SVSLKN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
320 PM PDT THU JUL 31 2014

NVC007-312245-
/O.CON.KLKN.SV.W.0021.000000T0000Z-140731T2245Z/
ELKO NV-
320 PM PDT THU JUL 31 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM PDT
FOR SOUTH CENTRAL ELKO COUNTY...

AT 320 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED 7 MILES SOUTHWEST OF SOUTH FORK...MOVING SOUTHEAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SOUTH FORK RESERVOIR...
  RURAL SOUTHERN ELKO COUNTY NEAR SOUTH FORK RESERVOIR...

&&

LAT...LON 4051 11579 4068 11597 4076 11586 4063 11563
TIME...MOT...LOC 2220Z 315DEG 13KT 4059 11581

$$

TURNER

806 
WWUS55 KLKN 312241
SVSLKN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
341 PM PDT THU JUL 31 2014

NVC007-312249-
/O.EXP.KLKN.SV.W.0021.000000T0000Z-140731T2245Z/
ELKO NV-
341 PM PDT THU JUL 31 2014

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL ELKO COUNTY WILL
EXPIRE AT 345 PM PDT...

DOPPLER RADAR INDICATES STORMS BETWEEN EMIGRANT MINE AND SOUTH FORK 
RESERVOIR HAVE WEAKENED BELOW SEVERE LEVELS. HEAVY RAIN AND 
LOCALIZED FLOODING REMAIN POSSIBLE THROUGH 430 PM. THE SEVERE 
THUNDERSTORM WARNING WILL EXPIRE AT 345 PM.

&&

LAT...LON 4051 11579 4068 11597 4076 11586 4063 11563
TIME...MOT...LOC 2239Z 315DEG 13KT 4054 11575

$$

TURNER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 30, 6:00 PM PDT	Special Weather Statement	LKN		60 min
Jul 30, 6:14 PM PDT	Special Weather Statement	LKN		61 min
Jul 30, 6:36 PM PDT	Special Weather Statement	LKN		54 min
Jul 30, 6:42 PM PDT	Areal Flood Advisory	LKN	Elko	3 hr
Jul 30, 6:48 PM PDT	Severe Thunderstorm Warning	LKN	Elko	57 min
Jul 30, 7:14 PM PDT	Special Weather Statement	LKN		91 min
Jul 30, 7:33 PM PDT	Flash Flood Warning	LKN	Elko	3 hr
Jul 30, 7:44 PM PDT	Areal Flood Advisory	LKN	Elko	3 hr
Jul 30, 7:54 PM PDT	Special Weather Statement	LKN		21 min
Jul 30, 8:04 PM PDT	Severe Thunderstorm Warning	LKN	Elko	56 min
Jul 30, 8:25 PM PDT	Flash Flood Warning	LKN	Elko	4 hr
Jul 30, 8:58 PM PDT	Severe Thunderstorm Warning	LKN	Elko	34 min
Jul 30, 10:04 PM PDT	Special Weather Statement	LKN		26 min
Jul 31, 2:47 AM PDT	Special Weather Statement	LKN		43 min
Jul 31, 10:49 AM PDT	Special Weather Statement	LKN	Elko	26 min
Jul 31, 11:00 AM PDT	Areal Flood Advisory	LKN	Elko	3 hr
Jul 31, 11:20 AM PDT	Special Weather Statement	LKN		40 min
Jul 31, 11:23 AM PDT	Special Weather Statement	LKN		37 min
Jul 31, 11:38 AM PDT	Areal Flood Advisory	LKN	Elko	3 hr
Jul 31, 11:38 AM PDT	Severe Thunderstorm Warning	LKN	Elko	22 min
Jul 31, 11:41 AM PDT	Special Weather Statement	LKN		34 min
Jul 31, 11:55 AM PDT	Flash Flood Warning	LKN	Elko	3 hr
Jul 31, 12:03 PM PDT	Flash Flood Warning	LKN	Elko	3 hr
Jul 31, 12:10 PM PDT	Severe Thunderstorm Warning	LKN	Elko	50 min
Jul 31, 12:16 PM PDT	Areal Flood Advisory	LKN	White Pine	3 hr
Jul 31, 12:19 PM PDT	Areal Flood Advisory	LKN	Elko	3 hr
Jul 31, 12:24 PM PDT	Special Weather Statement	LKN		51 min
Jul 31, 12:28 PM PDT	Special Weather Statement	LKN		47 min
Jul 31, 12:47 PM PDT	Special Weather Statement	LKN		28 min
Jul 31, 12:47 PM PDT	Severe Thunderstorm Warning	LKN	White Pine	28 min
Jul 31, 12:56 PM PDT	Areal Flood Advisory	LKN	Humboldt	3 hr
Jul 31, 1:14 PM PDT	Flash Flood Warning	LKN	Elko	3 hr
Jul 31, 1:16 PM PDT	Flash Flood Warning	LKN	Elko	3 hr
Jul 31, 1:30 PM PDT	Severe Thunderstorm Warning	LKN	Elko	30 min
Jul 31, 1:41 PM PDT	Special Weather Statement	LKN		64 min
Jul 31, 1:52 PM PDT	Areal Flood Advisory	LKN	Elko, Eureka	3 hr
Jul 31, 2:09 PM PDT	Flash Flood Warning	LKN	Elko	3 hr
Jul 31, 2:31 PM PDT	Areal Flood Advisory	LKN	Elko	3 hr
Jul 31, 2:45 PM PDT	Areal Flood Advisory	LKN	Elko	3 hr
Jul 31, 3:00 PM PDT	Areal Flood Advisory	LKN	Elko	3 hr
Jul 31, 3:04 PM PDT	Areal Flood Advisory	LKN	Elko	3 hr
Jul 31, 3:18 PM PDT	Special Weather Statement	LKN	Elko	27 min
Jul 31, 3:32 PM PDT	Areal Flood Advisory	LKN	Elko	3 hr
Jul 31, 4:00 PM PDT	Areal Flood Advisory	LKN	White Pine	3 hr
Jul 31, 4:02 PM PDT	Special Weather Statement	LKN		28 min
Jul 31, 4:14 PM PDT	Severe Thunderstorm Warning	LKN	Elko	46 min
Jul 31, 4:21 PM PDT	Flash Flood Warning	LKN	Elko	114 min
Jul 31, 4:48 PM PDT	Areal Flood Advisory	LKN	Elko, Eureka, Lander, White Pine	3 hr

Nearby

Severe Thunderstorm Warnings in Nevada, 2014 Every severe thunderstorm warning in 2014

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.