Alert archive / Nevada / Special Weather Statements in 2012

Special Weather Statement, NWS Reno, NV

April 23, 2012

NWS Reno, NV issued this special weather statement at Apr 23, 2012, 3:08 PM PDT. It was in force for 32 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: Apr 23, 2012, 3:08 PM PDT (22:08 UTC)
Expired: Apr 23, 2012, 3:40 PM PDT
In force: 32 min
Issued by: NWS Reno, NV

The radar

The Reno radar (KRGX), 60 km from the middle of the area, began a volume at 22:08 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

Medford/Jackson, OR (KMFR), launched 12:00Z, 10.1 hours before the alert went out and 345 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: 1383 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 139 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.7

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 Reno, NV wrote its last area forecast discussion before this special weather statement went out at Apr 23, 2:11 PM PDT, 57 minutes earlier.

Area forecast discussion, Apr 23, 2:11 PM PDT, 57 minutes before

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Hazardous weather outlook, Apr 23, 5:42 AM PDT, 9 hours 26 minutes before

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In the hours before

Special weather statement, Apr 23, 12:59 PM PDT, 2 hours 9 minutes before

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Special weather statement, Apr 23, 1:54 PM PDT, 1 hour 14 minutes before

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Special weather statement, Apr 23, 2:12 PM PDT, 56 minutes before

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Special weather statement, Apr 23, 3:08 PM PDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 22, 5:22 PM PDT	Severe Thunderstorm Warning	REV	Churchill	38 min
Apr 22, 5:59 PM PDT	Severe Thunderstorm Warning	REV	Churchill	46 min
Apr 22, 6:52 PM PDT	Special Weather Statement	REV		53 min
Apr 22, 8:52 PM PDT	Special Weather Statement	REV	Storey	38 min
Apr 22, 8:57 PM PDT	Special Weather Statement	REV	Storey	1 min
Apr 22, 8:57 PM PDT	Severe Thunderstorm Warning	REV	Lyon, Storey, Washoe	48 min
Apr 23, 1:54 PM PDT	Special Weather Statement	REV	Storey	21 min
Apr 23, 4:16 PM PDT	Special Weather Statement	REV		44 min
Apr 23, 12:59 PM PDT	Special Weather Statement	REV	Plumas	31 min
Apr 23, 2:12 PM PDT	Special Weather Statement	REV	Sierra	2 hr
Apr 23, 4:04 PM PDT	Special Weather Statement	REV	Lassen	26 min
Apr 23, 4:36 PM PDT	Special Weather Statement	REV	Lassen	24 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.