Alert archive / Nevada / Special Weather Statements in 2012

Special Weather Statement, NWS Elko, NV

July 31, 2012

NWS Elko, NV issued this special weather statement at Jul 31, 2012, 5:33 PM PDT. It was in force for 42 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, 2012, 5:33 PM PDT (00:33 UTC)
Expired: Jul 31, 2012, 6:15 PM PDT
In force: 42 min
Issued by: NWS Elko, NV

The radar

The Cedar City radar (KICX), 245 km from the middle of the area, began a volume at 00:36 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

Las Vegas, NV (KVEF), launched 00:00Z, 0.6 hours before the alert went out and 237 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: 646 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 1370 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -12 m²/s²
0-3 km storm-relative helicity: 16 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 Jul 31, 3:27 PM PDT, 2 hours 6 minutes earlier.

Area forecast discussion, Jul 31, 3:27 PM PDT, 2 hours 6 minutes before

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In the hours before

Special weather statement, Jul 31, 12:30 PM PDT, 5 hours 3 minutes before

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Special weather statement, Jul 31, 1:22 PM PDT, 4 hours 11 minutes before

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Special weather statement, Jul 31, 3:06 PM PDT, 2 hours 27 minutes before

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Special weather statement, Jul 31, 4:03 PM PDT, 1 hour 30 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
403 PM PDT TUE JUL 31 2012

NVZ040-041-312330-
NORTHEASTERN NYE COUNTY NV-NORTHWESTERN NYE COUNTY NV-
403 PM PDT TUE JUL 31 2012

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL NYE COUNTY UNTIL 430 PM
PDT...

AT 357 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 29 MILES EAST OF MANHATTAN...MOVING NORTHEAST AT
15 MPH.

WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH
FREQUENT DANGEROUS LIGHTNING.

* LOCATIONS IMPACTED INCLUDE...
  RURAL CENTRAL NYE COUNTY...
  RURAL NORTHERN NYE COUNTY...

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3881 11648 3859 11616 3835 11651 3847 11668
TIME...MOT...LOC 2302Z 225DEG 20KT 3848 11651

PJS

Special weather statement, Jul 31, 4:11 PM PDT, 1 hour 22 minutes before

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Special weather statement, Jul 31, 4:25 PM PDT, 1 hour 8 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
Jul 31, 5:09 PM PDT	Special Weather Statement	LKN	Nye	51 min
Jul 31, 6:12 PM PDT	Special Weather Statement	LKN	Nye	48 min
Jul 31, 6:23 PM PDT	Special Weather Statement	LKN		37 min
Jul 31, 7:08 PM PDT	Special Weather Statement	LKN		37 min

Nearby

Special Weather Statements in Nevada, 2012 Every special weather statement in 2012

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.