Alert archive / Virginia / Special Weather Statements in 2015

Special Weather Statement, NWS Blacksburg, VA

August 6, 2015Pulaski County, Virginia

NWS Blacksburg, VA issued this special weather statement at Aug 6, 2015, 7:26 PM EDT for Pulaski County, Virginia. It was in force for 34 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: Aug 6, 2015, 7:26 PM EDT (23:26 UTC)
Expired: Aug 6, 2015, 8:00 PM EDT
In force: 34 min
Issued by: NWS Blacksburg, VA

County Pulaski County, VA

The radar

The Roanoke radar (KFCX), 42 km from the middle of the area, began a volume at 23:29 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

Roanoke, VA (KRNK), launched 12:00Z, 11.4 hours before the alert went out and 113 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: 10 J/kg
Mixed-layer CIN: -131 J/kg
Mixed-layer LCL: 1121 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 139 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 Aug 6, 7:00 PM EDT, 26 minutes earlier.

Area forecast discussion, Aug 6, 7:00 PM EDT, 26 minutes before

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Hazardous weather outlook, Aug 6, 5:07 AM EDT, 14 hours 19 minutes before

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In the hours before

Special weather statement, Aug 6, 6:15 PM EDT, 1 hour 11 minutes before

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Special weather statement, Aug 6, 6:46 PM EDT, 40 minutes before

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Special weather statement, Aug 6, 6:56 PM EDT, 30 minutes before

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Special weather statement, Aug 6, 7:26 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
Aug 5, 8:19 PM EDT	Special Weather Statement	RNK	Bland	26 min
Aug 5, 8:38 PM EDT	Special Weather Statement	RNK	Bland	37 min
Aug 5, 9:21 PM EDT	Special Weather Statement	RNK	Henry	24 min
Aug 5, 9:30 PM EDT	Special Weather Statement	RNK	City of Martinsville	30 min
Aug 5, 10:07 PM EDT	Special Weather Statement	RNK	Floyd, Montgomery	38 min
Aug 5, 10:16 PM EDT	Special Weather Statement	RNK	Pittsylvania, City of Danville	59 min
Aug 5, 10:42 PM EDT	Special Weather Statement	RNK	Halifax	63 min
Aug 5, 11:31 PM EDT	Special Weather Statement	RNK	Campbell	59 min
Aug 6, 12:00 AM EDT	Special Weather Statement	RNK	Charlotte, Halifax	60 min
Aug 6, 6:46 PM EDT	Special Weather Statement	RNK	Floyd	29 min
Aug 5, 8:54 PM EDT	Severe Thunderstorm Warning	RNK	Rockingham, Stokes	44 min
Aug 6, 6:15 PM EDT	Special Weather Statement	RNK	Wilkes	30 min
Aug 6, 6:56 PM EDT	Special Weather Statement	RNK	Surry	34 min
Aug 6, 7:42 PM EDT	Special Weather Statement	RNK	Rockingham	33 min

Nearby

Special Weather Statements in Virginia, 2015 Every special weather statement in 2015

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.