Alert archive / Nevada / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 21, NWS Elko, NV

July 8, 2015Humboldt County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at Jul 8, 2015, 3:17 PM PDT for Humboldt County, Nevada. It was in force for 28 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 8, 2015, 3:17 PM PDT (22:17 UTC)
Expired: Jul 8, 2015, 3:45 PM PDT
In force: 28 min
Issued by: NWS Elko, NV
Area: Storm-based polygon

County Humboldt County, NV

The radar

The Elko radar (KLRX), 71 km from the middle of the area, began a volume at 22:21 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.

What was reported inside it

Time	Report	Where	Remark
Jul 8, 3:35 PM PDT	TSTM WND DMG	7 Ssw Winnemucca, NV	SPOTTER REPORTED WIND DAMAGE...WHICH WAS VERIFIED THROUGH LOCAL LAW ENFORCEMENT. AT LEAST ONE TREE WAS DOWN ON A HOUSE...MULTIPLE TREES EITHER SNAPPED OR UPROOTED...AND MINOR DAMAGE TO POWER POLES. NV ENERGY HAD TO WORK ON SOME LINES FROM THE STORM.
Jul 8, 3:35 PM PDT	TSTM WND GST	7 Ssw Winnemucca, NV

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Reno, NV (KREV), launched 12:00Z, 10.3 hours before the alert went out and 145 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: 6 J/kg
Mixed-layer CIN: -244 J/kg
Mixed-layer LCL: 1248 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 107 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.

844 
WUUS55 KLKN 082217
SVRLKN
NVC013-082245-
/O.NEW.KLKN.SV.W.0021.150708T2217Z-150708T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ELKO NV
317 PM PDT WED JUL 8 2015

THE NATIONAL WEATHER SERVICE IN ELKO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN HUMBOLDT COUNTY IN NORTHWESTERN NEVADA...

* UNTIL 345 PM PDT

* AT 316 PM PDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
  OF 60 MPH. THIS STORM WAS LOCATED 12 MILES SOUTHWEST OF GOLCONDA...
  AND MOVING NORTHWEST AT 15 MPH. 

* THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  SOUTHEASTERN HUMBOLDT COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

&&

LAT...LON 4088 11782 4078 11733 4068 11738 4069 11764
      4083 11765 4085 11770 4086 11783
TIME...MOT...LOC 2216Z 123DEG 74KT 4079 11758 

$$

TURNER

2 follow-up statements

059 
WWUS55 KLKN 082229
SVSLKN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
329 PM PDT WED JUL 8 2015

NVC013-082245-
/O.CON.KLKN.SV.W.0021.000000T0000Z-150708T2245Z/
HUMBOLDT NV-
329 PM PDT WED JUL 8 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM PDT
FOR SOUTHEASTERN HUMBOLDT COUNTY...

AT 328 PM PDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS 
LOCATED 8 MILES SOUTHEAST OF WINNEMUCCA...MOVING NORTHWEST AT 10 
MPH. 

THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
SOUTHEASTERN HUMBOLDT COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

&&

LAT...LON 4088 11782 4078 11733 4068 11738 4069 11764
      4083 11765 4085 11770 4086 11783
TIME...MOT...LOC 2228Z 123DEG 74KT 4093 11787 

$$

TURNER

539 
WWUS55 KLKN 082236
SVSLKN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
336 PM PDT WED JUL 8 2015

NVC013-082246-
/O.EXP.KLKN.SV.W.0021.000000T0000Z-150708T2245Z/
HUMBOLDT NV-
336 PM PDT WED JUL 8 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HUMBOLDT COUNTY
WILL EXPIRE AT 345 PM PDT...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED 
BELOW SEVERE LIMITS. AS SUCH, THE WARNING WILL BE ALLOWED TO EXPIRE 
AT 345 PM. 

LAT...LON 4088 11782 4078 11733 4068 11738 4069 11764
      4083 11765 4085 11770 4086 11783
TIME...MOT...LOC 2234Z 123DEG 74KT 4093 11787 

$$

TURNER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 10:55 AM PDT	Special Weather Statement	LKN		35 min
Jul 8, 11:40 AM PDT	Special Weather Statement	LKN		50 min
Jul 8, 11:43 AM PDT	Special Weather Statement	LKN		32 min
Jul 8, 11:47 AM PDT	Special Weather Statement	LKN	Lander	43 min
Jul 8, 12:00 PM PDT	Areal Flood Advisory	LKN	Eureka, Lander	3 hr
Jul 8, 12:11 PM PDT	Special Weather Statement	LKN		49 min
Jul 8, 12:39 PM PDT	Areal Flood Advisory	LKN	Elko	3 hr
Jul 8, 12:56 PM PDT	Areal Flood Advisory	LKN	Elko	3 hr
Jul 8, 1:50 PM PDT	Special Weather Statement	LKN	Eureka	40 min
Jul 8, 2:02 PM PDT	Special Weather Statement	LKN		43 min
Jul 8, 2:05 PM PDT	Special Weather Statement	LKN		85 min
Jul 8, 2:08 PM PDT	Severe Thunderstorm Warning	LKN	Lander	20 min
Jul 8, 2:22 PM PDT	Special Weather Statement	LKN		38 min
Jul 8, 2:23 PM PDT	Special Weather Statement	LKN		37 min
Jul 8, 2:30 PM PDT	Special Weather Statement	LKN	Elko	60 min
Jul 8, 2:46 PM PDT	Special Weather Statement	LKN		44 min
Jul 8, 3:13 PM PDT	Areal Flood Advisory	LKN	Elko, Eureka	2 hr
Jul 8, 3:19 PM PDT	Special Weather Statement	LKN		56 min
Jul 8, 3:26 PM PDT	Special Weather Statement	LKN	Elko	49 min
Jul 8, 3:43 PM PDT	Severe Thunderstorm Warning	LKN	Elko	47 min
Jul 8, 3:51 PM PDT	Special Weather Statement	LKN		39 min
Jul 8, 4:06 PM PDT	Special Weather Statement	LKN	Eureka	39 min
Jul 8, 4:09 PM PDT	Severe Thunderstorm Warning	LKN	Elko	22 min
Jul 8, 4:21 PM PDT	Areal Flood Advisory	LKN	Elko	3 hr
Jul 8, 4:27 PM PDT	Areal Flood Advisory	LKN	Elko, Humboldt	3 hr
Jul 8, 4:28 PM PDT	Special Weather Statement	LKN		47 min

Nearby

Severe Thunderstorm Warnings in Nevada, 2015 Every severe thunderstorm warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.