Alert archive / Nevada / Special Weather Statements in 2015

Special Weather Statement, NWS Elko, NV

August 7, 2015

NWS Elko, NV issued this special weather statement at Aug 7, 2015, 2:52 PM PDT. 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: Aug 7, 2015, 2:52 PM PDT (21:52 UTC)
Expired: Aug 7, 2015, 3:30 PM PDT
In force: 38 min
Issued by: NWS Elko, NV

The radar

The Elko radar (KLRX), 224 km from the middle of the area, began a volume at 21:54 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, 9.9 hours before the alert went out and 233 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1644 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -32 m²/s²
0-3 km storm-relative helicity: -27 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.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 7, 2:18 PM PDT, 34 minutes earlier.

Area forecast discussion, Aug 7, 2:18 PM PDT, 34 minutes before

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Hazardous weather outlook, Aug 6, 3:49 PM PDT, 23 hours 3 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ELKO NV
349 PM PDT THU AUG 6 2015

NVZ030-031-033>041-072300-
HUMBOLDT COUNTY-NORTHERN ELKO COUNTY-SOUTHEASTERN ELKO COUNTY-
RUBY MOUNTAINS AND EAST HUMBOLDT RANGE-WHITE PINE COUNTY-
NORTHERN LANDER COUNTY AND NORTHERN EUREKA COUNTY-
SOUTHERN LANDER COUNTY AND SOUTHERN EUREKA COUNTY-
SOUTHWEST ELKO COUNTY-SOUTH CENTRAL ELKO COUNTY-
NORTHWESTERN NYE COUNTY-NORTHEASTERN NYE COUNTY-
349 PM PDT THU AUG 6 2015

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

.DAY ONE...TONIGHT AND FRIDAY.

A PACIFIC STORM SYSTEM...NOW LOCATED JUST OFF THE COAST OF
CALIFORNIA...HAS BEEN PUMPING CLOUDS AND MOISTURE FROM THE SOUTH
INTO NORTHERN NEVADA. THIS SYSTEM WILL BE MOVING ACROSS NORTHERN
NEVADA LATER TOMORROW AFTERNOON. AS A RESULT...SHOWERS AND
THUNDERSTORMS WILL DEVELOP ACROSS THE FORECAST AREA AND BECOME
MORE NUMEROUS. SOME OF THE STORMS WILL BE STRONG WITH THE
POSSIBILITY OF STRONG WINDS TO 60 MPH ALONG WITH LARGE HAIL AS THE
MAIN THREATS. THE BEST CHANCES FOR ISOLATED STRONG STORMS WILL BE
ACROSS PORTIONS OF ELKO...EUREKA...AND WHITE PINE COUNTIES. IN
ADDITION...HEAVY RAIN WILL BE POSSIBLE WITH SOME STORMS WHICH WILL
LEAD TO LOCALIZED FLOODING.

.DAYS TWO THROUGH SEVEN...FRIDAY NIGHT THROUGH WEDNESDAY.

SHOWERS AND THUNDERSTORMS WILL DECREASE IN AREAL COVERAGE SATURDAY
AS A DRIER FLOW COMMENCES. DRY CONDITIONS ARE EXPECTED THROUGH
EARLY NEXT WEEK WITH HIGHS RETURNING BACK INTO THE UPPER 80S AND
LOW 90S.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Local storm report, Aug 7, 2:30 PM PDT, 22 minutes before

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Local storm report, Aug 7, 2:36 PM PDT, 16 minutes before

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Special weather statement, Aug 7, 2:39 PM PDT, 13 minutes before

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Special weather statement, Aug 7, 2:41 PM PDT, 11 minutes before

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Local storm report, Aug 7, 2:46 PM PDT, 6 minutes before

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Special weather statement, Aug 7, 2:52 PM PDT, 0 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 7, 11:15 AM PDT	Special Weather Statement	LKN		60 min
Aug 7, 11:35 AM PDT	Special Weather Statement	LKN	Eureka	55 min
Aug 7, 11:38 AM PDT	Special Weather Statement	LKN		67 min
Aug 7, 11:57 AM PDT	Severe Thunderstorm Warning	LKN	Esmeralda, Nye	63 min
Aug 7, 12:04 PM PDT	Severe Thunderstorm Warning	LKN	Elko	28 min
Aug 7, 12:15 PM PDT	Areal Flood Advisory	LKN	Elko, Eureka, Lander, White Pine	3 hr
Aug 7, 12:17 PM PDT	Special Weather Statement	LKN		43 min
Aug 7, 12:26 PM PDT	Flash Flood Warning	LKN	Eureka, White Pine	3 hr
Aug 7, 12:26 PM PDT	Severe Thunderstorm Warning	LKN	Elko, White Pine	34 min
Aug 7, 12:37 PM PDT	Severe Thunderstorm Warning	LKN	White Pine	15 min
Aug 7, 12:58 PM PDT	Severe Thunderstorm Warning	LKN	Elko, White Pine	33 min
Aug 7, 1:06 PM PDT	Areal Flood Advisory	LKN	Nye	3 hr
Aug 7, 1:21 PM PDT	Severe Thunderstorm Warning	LKN	Elko, White Pine	24 min
Aug 7, 1:43 PM PDT	Special Weather Statement	LKN		47 min
Aug 7, 1:49 PM PDT	Severe Thunderstorm Warning	LKN	Elko, White Pine	26 min
Aug 7, 2:03 PM PDT	Special Weather Statement	LKN		42 min
Aug 7, 2:10 PM PDT	Severe Thunderstorm Warning	LKN	Elko, White Pine	35 min
Aug 7, 2:39 PM PDT	Special Weather Statement	LKN		36 min
Aug 7, 2:41 PM PDT	Special Weather Statement	LKN		34 min
Aug 7, 3:32 PM PDT	Special Weather Statement	LKN	White Pine	43 min
Aug 7, 4:42 PM PDT	Special Weather Statement	LKN	White Pine	48 min

Nearby

Special Weather Statements in Nevada, 2015 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.