Alert archive / Virginia / Special Weather Statements in 2012

Special Weather Statement, NWS Blacksburg, VA

June 24, 2012Buckingham County, Virginia

NWS Blacksburg, VA issued this special weather statement at Jun 24, 2012, 12:06 PM EDT for Buckingham County, Virginia. It was in force for 54 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: Jun 24, 2012, 12:06 PM EDT (16:06 UTC)
Expired: Jun 24, 2012, 1:00 PM EDT
In force: 54 min
Issued by: NWS Blacksburg, VA

County Buckingham County, VA

The radar

The Norfolk radar (KAKQ), 142 km from the middle of the area, began a volume at 16:08 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 4.1 hours before the alert went out and 189 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: 359 J/kg
Mixed-layer CIN: -41 J/kg
Mixed-layer LCL: 1150 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: -29 m²/s²
0-3 km storm-relative helicity: 107 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 Blacksburg, VA wrote its last area forecast discussion before this special weather statement went out at Jun 24, 9:50 AM EDT, 2 hours 16 minutes earlier.

Area forecast discussion, Jun 24, 9:50 AM EDT, 2 hours 16 minutes before

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Hazardous weather outlook, Jun 24, 4:16 AM EDT, 7 hours 50 minutes before

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In the hours before

Special weather statement, Jun 24, 12:06 PM EDT, 0 minutes before

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The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 24, 2:21 PM EDT	Special Weather Statement	RNK	Grayson	39 min
Jun 24, 4:42 PM EDT	Special Weather Statement	RNK	Floyd	48 min
Jun 24, 5:18 PM EDT	Special Weather Statement	RNK	Montgomery	42 min
Jun 24, 6:07 PM EDT	Special Weather Statement	RNK	City of Roanoke	38 min
Jun 24, 6:43 PM EDT	Special Weather Statement	RNK	Patrick	47 min
Jun 24, 6:57 PM EDT	Special Weather Statement	RNK	City of Roanoke	48 min
Jun 24, 7:10 PM EDT	Severe Thunderstorm Warning	RNK	Patrick	45 min
Jun 24, 3:47 PM EDT	Special Weather Statement	RNK	Alleghany	43 min
Jun 24, 4:21 PM EDT	Special Weather Statement	RNK	Wilkes	39 min
Jun 24, 5:38 PM EDT	Special Weather Statement	RNK	Yadkin	52 min
Jun 24, 2:28 PM EDT	Special Weather Statement	RNK	Mercer	47 min
Jun 24, 6:48 PM EDT	Special Weather Statement	RNK	Monroe	42 min

Nearby

Special Weather Statements in Virginia, 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.