Alert archive / Virginia / Special Weather Statements in 2014

Special Weather Statement, NWS Blacksburg, VA

October 8, 2014Grayson County, Smyth County, Virginia

NWS Blacksburg, VA issued this special weather statement at Oct 8, 2014, 2:56 AM EDT for Grayson County, Smyth County, Virginia. It was in force for 64 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: Oct 8, 2014, 2:56 AM EDT (06:56 UTC)
Expired: Oct 8, 2014, 4:00 AM EDT
In force: 64 min
Issued by: NWS Blacksburg, VA

Counties Grayson County, VA, Smyth County, VA

The radar

The Roanoke radar (KFCX), 95 km from the middle of the area, began a volume at 06:56 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 00:00Z, 6.9 hours before the alert went out and 166 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: 44 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 671 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 488 m²/s²
0-3 km storm-relative helicity: 524 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 Oct 8, 1:22 AM EDT, 1 hour 34 minutes earlier.

Area forecast discussion, Oct 8, 1:22 AM EDT, 1 hour 34 minutes before

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Hazardous weather outlook, Oct 8, 1:51 AM EDT, 1 hour 5 minutes before

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In the hours before

Local storm report, Oct 8, 1:07 AM EDT, 1 hour 49 minutes before

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Special weather statement, Oct 8, 1:13 AM EDT, 1 hour 43 minutes before

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Special weather statement, Oct 8, 1:16 AM EDT, 1 hour 40 minutes before

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Special weather statement, Oct 8, 1:43 AM EDT, 1 hour 13 minutes before

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Local storm report, Oct 8, 2:04 AM EDT, 52 minutes before

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Special weather statement, Oct 8, 2:56 AM 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
Oct 7, 8:48 PM EDT	Special Weather Statement	RNK	Bedford	27 min
Oct 7, 8:53 PM EDT	Special Weather Statement	RNK	City of Lynchburg	37 min
Oct 7, 9:01 PM EDT	Special Weather Statement	RNK	Franklin	14 min
Oct 7, 9:14 PM EDT	Special Weather Statement	RNK	Franklin	31 min
Oct 7, 9:16 PM EDT	Special Weather Statement	RNK	Campbell	29 min
Oct 7, 9:23 PM EDT	Special Weather Statement	RNK	Appomattox	52 min
Oct 7, 9:41 PM EDT	Special Weather Statement	RNK	Pittsylvania	34 min
Oct 8, 12:09 AM EDT	Severe Thunderstorm Warning	RNK	Giles	30 min
Oct 8, 12:12 AM EDT	Special Weather Statement	RNK	Tazewell	48 min
Oct 8, 12:19 AM EDT	Special Weather Statement	RNK	City of Roanoke	41 min
Oct 8, 12:29 AM EDT	Severe Thunderstorm Warning	RNK	Bland, Giles, Pulaski, Tazewell, Wythe	61 min
Oct 8, 12:31 AM EDT	Severe Thunderstorm Warning	RNK	Bedford, Botetourt	43 min
Oct 8, 12:37 AM EDT	Special Weather Statement	RNK	Montgomery, Roanoke, City of Roanoke, City of Salem	53 min
Oct 8, 1:05 AM EDT	Special Weather Statement	RNK	Roanoke, City of Roanoke, City of Salem	55 min
Oct 8, 1:10 AM EDT	Areal Flood Advisory	RNK	Tazewell	4 hr
Oct 8, 1:13 AM EDT	Special Weather Statement	RNK	Appomattox, City of Lynchburg	47 min
Oct 8, 1:16 AM EDT	Special Weather Statement	RNK	Montgomery, Pulaski, City of Radford	44 min
Oct 8, 1:23 AM EDT	Severe Thunderstorm Warning	RNK	Bedford, Franklin, Roanoke	21 min
Oct 8, 1:43 AM EDT	Special Weather Statement	RNK	Campbell	47 min
Oct 8, 4:16 AM EDT	Special Weather Statement	RNK	Stokes, Surry	44 min
Oct 7, 9:25 PM EDT	Special Weather Statement	RNK	Greenbrier	35 min
Oct 7, 10:03 PM EDT	Special Weather Statement	RNK	Monroe	42 min
Oct 7, 10:36 PM EDT	Special Weather Statement	RNK	Summers	39 min
Oct 7, 10:42 PM EDT	Severe Thunderstorm Warning	RNK	Mercer, Summers	34 min
Oct 7, 11:10 PM EDT	Special Weather Statement	RNK	Monroe	35 min
Oct 7, 11:29 PM EDT	Special Weather Statement	RNK	Mercer	31 min
Oct 7, 11:32 PM EDT	Severe Thunderstorm Warning	RNK	Mercer	43 min
Oct 7, 11:39 PM EDT	Tornado Warning	RNK	Mercer	24 min

Nearby

Special Weather Statements in Virginia, 2014 Every special weather statement in 2014

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.