Alert archive / Nevada / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 23, NWS Elko, NV

August 21, 2013Eureka County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at Aug 21, 2013, 2:49 PM PDT for Eureka County, Nevada. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 21, 2013, 2:49 PM PDT (21:49 UTC)
Expired: Aug 21, 2013, 3:15 PM PDT
In force: 26 min
Issued by: NWS Elko, NV
Area: Storm-based polygon

County Eureka County, NV

The radar

The Elko radar (KLRX), 95 km from the middle of the area, began a volume at 21:52 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

Reno, NV (KREV), launched 12:00Z, 9.8 hours before the alert went out and 171 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: 17 J/kg
Mixed-layer CIN: -320 J/kg
Mixed-layer LCL: 2055 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -10 m²/s²
0-3 km storm-relative helicity: 7 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Elko, NV wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 21, 2:20 AM PDT, 12 hours 29 minutes earlier.

Area forecast discussion, Aug 21, 2:20 AM PDT, 12 hours 29 minutes before

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Hazardous weather outlook, Aug 21, 3:18 AM PDT, 11 hours 31 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ELKO NV
318 AM PDT WED AUG 21 2013

NVZ030-031-033>041-220845-
HUMBOLDT COUNTY-NORTHERN ELKO COUNTY-SOUTHEASTERN ELKO COUNTY-
RUBY MOUNTAINS/EAST HUMBOLDT RANGE-WHITE PINE COUNTY-
NORTHERN LANDER COUNTY AND NORTHERN EUREKA COUNTY-
SOUTHERN LANDER COUNTY AND SOUTHERN EUREKA COUNTY-
SOUTHWESTERN ELKO COUNTY-SOUTH CENTRAL ELKO COUNTY-
NORTHWESTERN NYE COUNTY-NORTHEASTERN NYE COUNTY-
318 AM PDT WED AUG 21 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
NEVADA...NORTH CENTRAL NEVADA...NORTHEAST NEVADA...NORTHWEST
NEVADA AND SOUTH CENTRAL NEVADA.

.DAY ONE...TONIGHT.

ISOLATED SHOWERS WILL REMAIN POSSIBLE OVERNIGHT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THUNDERSTORMS TODAY MAY STILL BE ABLE TO PRODUCE LOCALLY HEAVY
RAIN...WITH LOCALIZED FLASH FLOODING A CONCERN. DRIER AIR MOVES
INTO CENTRAL NEVADA LATER ON THURSDAY...BUT ACROSS NORTHERN NEVADA
THUNDERSTORMS WILL REMAIN POSSIBLE. STRONG THUNDERSTORMS ARE POSSIBLE
IN HUMBOLDT COUNTY...WHERE STRONGER INSTABILITY AND HIGHER
MOISTURE IS AVAILABLE. MAIN THREATS FROM THUNDERSTORMS WOULD BE
BRIEF HEAVY RAIN...STRONG WIND GUSTS...AND FREQUENT DANGEROUS
LIGHTNING. BY FRIDAY...NORTHERN AND CENTRAL NEVADA DRIES OUT.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ASKED TO REPORT WEATHER PHENOMENA ACCORDING TO
STANDARD OPERATING PROCEDURE.

94

In the hours before

Special weather statement, Aug 21, 1:28 PM PDT, 1 hour 21 minutes before

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Special weather statement, Aug 21, 1:32 PM PDT, 1 hour 17 minutes before

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Special weather statement, Aug 21, 1:37 PM PDT, 1 hour 12 minutes before

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Special weather statement, Aug 21, 1:50 PM PDT, 59 minutes before

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Special weather statement, Aug 21, 2:31 PM PDT, 18 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 20, 5:02 PM PDT	Special Weather Statement	LKN		88 min
Aug 20, 5:41 PM PDT	Special Weather Statement	LKN		34 min
Aug 20, 6:37 PM PDT	Special Weather Statement	LKN		83 min
Aug 20, 6:59 PM PDT	Special Weather Statement	LKN		61 min
Aug 20, 9:21 PM PDT	Special Weather Statement	LKN		24 min
Aug 20, 9:24 PM PDT	Special Weather Statement	LKN	Nye	36 min
Aug 21, 12:55 PM PDT	Areal Flood Advisory	LKN	Eureka, Lander, Nye	3 hr
Aug 21, 1:28 PM PDT	Special Weather Statement	LKN	White Pine	92 min
Aug 21, 1:32 PM PDT	Special Weather Statement	LKN	Eureka	88 min
Aug 21, 1:37 PM PDT	Special Weather Statement	LKN		38 min
Aug 21, 1:50 PM PDT	Special Weather Statement	LKN	Eureka	40 min
Aug 21, 2:31 PM PDT	Special Weather Statement	LKN	Eureka	44 min
Aug 21, 3:05 PM PDT	Special Weather Statement	LKN	Eureka	40 min
Aug 21, 3:39 PM PDT	Special Weather Statement	LKN		66 min
Aug 21, 3:46 PM PDT	Special Weather Statement	LKN		44 min
Aug 21, 3:50 PM PDT	Severe Thunderstorm Warning	LKN	Eureka, Lander	25 min
Aug 21, 4:11 PM PDT	Severe Thunderstorm Warning	LKN	Eureka, Lander	34 min
Aug 21, 4:33 PM PDT	Special Weather Statement	LKN		42 min
Aug 21, 4:52 PM PDT	Severe Thunderstorm Warning	LKN	Elko	23 min
Aug 21, 4:56 PM PDT	Special Weather Statement	LKN		34 min

Nearby

Severe Thunderstorm Warnings in Nevada, 2013 Every severe thunderstorm warning in 2013

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.