Alert archive / Nevada / Special Weather Statements in 2021

Special Weather Statement, NWS Elko, NV

May 15, 2021

NWS Elko, NV issued this special weather statement at May 15, 2021, 4:40 PM PDT. It was in force for 50 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: May 15, 2021, 4:40 PM PDT (23:40 UTC)
Expired: May 15, 2021, 5:30 PM PDT
In force: 50 min
Issued by: NWS Elko, NV

The radar

The Salt Lake City radar (KMTX), 142 km from the middle of the area, began a volume at 23:42 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, 11.7 hours before the alert went out and 12 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: 2012 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 103 m²/s²
0-3 km storm-relative helicity: 158 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 May 15, 3:37 PM PDT, 1 hour 3 minutes earlier.

Area forecast discussion, May 15, 3:37 PM PDT, 1 hour 3 minutes before

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In the hours before

Special weather statement, May 15, 3:54 PM PDT, 46 minutes before

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Special weather statement, May 15, 4:07 PM PDT, 33 minutes before

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Special weather statement, May 15, 4:08 PM PDT, 32 minutes before

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Special weather statement, May 15, 4:10 PM PDT, 30 minutes before

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Special weather statement, May 15, 4:27 PM PDT, 13 minutes before

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Special weather statement, May 15, 4:40 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
May 15, 12:11 PM PDT	Special Weather Statement	LKN		49 min
May 15, 1:19 PM PDT	Special Weather Statement	LKN		41 min
May 15, 1:34 PM PDT	Severe Thunderstorm Warning	LKN	Eureka, White Pine	26 min
May 15, 1:58 PM PDT	Severe Thunderstorm Warning	LKN	Eureka, White Pine	32 min
May 15, 2:26 PM PDT	Special Weather Statement	LKN		49 min
May 15, 2:29 PM PDT	Special Weather Statement	LKN	Eureka	46 min
May 15, 3:10 PM PDT	Special Weather Statement	LKN		50 min
May 15, 3:24 PM PDT	Severe Thunderstorm Warning	LKN	Elko, White Pine	36 min
May 15, 3:31 PM PDT	Special Weather Statement	LKN		44 min
May 15, 3:54 PM PDT	Special Weather Statement	LKN		51 min
May 15, 3:55 PM PDT	Severe Thunderstorm Warning	LKN	Elko	35 min
May 15, 4:07 PM PDT	Special Weather Statement	LKN	Elko	38 min
May 15, 4:08 PM PDT	Special Weather Statement	LKN		52 min
May 15, 4:10 PM PDT	Special Weather Statement	LKN	Elko	50 min
May 15, 4:27 PM PDT	Special Weather Statement	LKN		48 min

Nearby

Special Weather Statements in Nevada, 2021 Every special weather statement in 2021

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.