Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Blacksburg, VA

May 16, 2012Wilkes County, North Carolina

NWS Blacksburg, VA issued this special weather statement at May 16, 2012, 8:29 PM EDT for Wilkes County, North Carolina. It was in force for 61 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 16, 2012, 8:29 PM EDT (00:29 UTC)
Expired: May 16, 2012, 9:30 PM EDT
In force: 61 min
Issued by: NWS Blacksburg, VA

County Wilkes County, NC

The radar

The Roanoke radar (KFCX), 139 km from the middle of the area, began a volume at 00:32 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

Charleston AFB, SC (KCHS), launched 00:00Z, 0.5 hours before the alert went out and 371 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: 1393 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 1014 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 2 m²/s²
0-3 km storm-relative helicity: 37 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 May 16, 7:42 PM EDT, 47 minutes earlier.

Area forecast discussion, May 16, 7:42 PM EDT, 47 minutes before

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Hazardous weather outlook, May 16, 12:30 PM EDT, 7 hours 59 minutes before

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In the hours before

Special weather statement, May 16, 7:04 PM EDT, 1 hour 25 minutes before

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Special weather statement, May 16, 8:29 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
May 17, 4:33 PM EDT	Special Weather Statement	RNK	Alleghany	42 min
May 17, 5:25 PM EDT	Special Weather Statement	RNK	Montgomery	35 min
May 17, 5:45 PM EDT	Severe Thunderstorm Warning	RNK	Craig, Giles	45 min
May 17, 6:04 PM EDT	Special Weather Statement	RNK	Craig	56 min
May 17, 6:14 PM EDT	Areal Flood Advisory	RNK	Alleghany, Craig, Giles	6 hr
May 17, 6:29 PM EDT	Special Weather Statement	RNK	Giles	46 min
May 17, 7:17 PM EDT	Special Weather Statement	RNK	City of Radford	43 min
May 17, 7:23 PM EDT	Special Weather Statement	RNK	Bland	52 min
May 17, 7:35 PM EDT	Special Weather Statement	RNK	City of Radford	25 min
May 17, 7:47 PM EDT	Severe Thunderstorm Warning	RNK	Bland, Wythe	58 min
May 16, 9:24 PM EDT	Special Weather Statement	RNK	Wilkes	51 min
May 16, 9:39 PM EDT	Areal Flood Advisory	RNK	Wilkes	4 hr
May 17, 3:17 PM EDT	Special Weather Statement	RNK	Greenbrier	58 min
May 17, 3:48 PM EDT	Flash Flood Warning	RNK	Greenbrier	3 hr
May 17, 5:33 PM EDT	Special Weather Statement	RNK	Monroe	27 min

Nearby

Special Weather Statements in North Carolina, 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.