Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Blacksburg, VA

March 24, 2012Stokes County, North Carolina

NWS Blacksburg, VA issued this special weather statement at Mar 24, 2012, 12:48 PM EDT for Stokes County, North Carolina. It was in force for 42 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: Mar 24, 2012, 12:48 PM EDT (16:48 UTC)
Expired: Mar 24, 2012, 1:30 PM EDT
In force: 42 min
Issued by: NWS Blacksburg, VA

County Stokes County, NC

The radar

The Roanoke radar (KFCX), 78 km from the middle of the area, began a volume at 16:47 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, 4.8 hours before the alert went out and 38 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: 226 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 526 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 167 m²/s²
0-3 km storm-relative helicity: 153 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.5

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 Mar 24, 12:01 PM EDT, 47 minutes earlier.

Area forecast discussion, Mar 24, 12:01 PM EDT, 47 minutes before

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Hazardous weather outlook, Mar 24, 9:11 AM EDT, 3 hours 37 minutes before

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In the hours before

Special weather statement, Mar 24, 12:24 PM EDT, 24 minutes before

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Special weather statement, Mar 24, 12:32 PM EDT, 16 minutes before

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Special weather statement, Mar 24, 12:43 PM EDT, 5 minutes before

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Special weather statement, Mar 24, 12:48 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
Mar 24, 12:32 PM EDT	Special Weather Statement	RNK	Grayson, Wythe	43 min
Mar 24, 1:21 PM EDT	Special Weather Statement	RNK	Carroll	39 min
Mar 24, 1:25 PM EDT	Special Weather Statement	RNK	Grayson	50 min
Mar 24, 1:28 PM EDT	Special Weather Statement	RNK	Wythe	47 min
Mar 24, 1:30 PM EDT	Severe Thunderstorm Warning	RNK	Grayson, Smyth, Wythe	60 min
Mar 24, 1:57 PM EDT	Severe Thunderstorm Warning	RNK	Bland, Smyth, Tazewell, Wythe	63 min
Mar 24, 2:00 PM EDT	Severe Thunderstorm Warning	RNK	Carroll	60 min
Mar 24, 2:22 PM EDT	Severe Thunderstorm Warning	RNK	Bland, Grayson, Pulaski, Smyth, Wythe	53 min
Mar 24, 2:30 PM EDT	Severe Thunderstorm Warning	RNK	Bland, Tazewell	60 min
Mar 24, 2:34 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Grayson, Wythe, City of Galax	56 min
Mar 24, 2:34 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Grayson, City of Galax	56 min
Mar 24, 2:44 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Floyd, Patrick	61 min
Mar 24, 2:52 PM EDT	Flash Flood Warning	RNK	Carroll, Patrick	6 hr
Mar 24, 2:57 PM EDT	Severe Thunderstorm Warning	RNK	Bland, Giles, Pulaski, Wythe	63 min
Mar 24, 3:26 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Grayson, City of Galax	64 min
Mar 24, 3:30 PM EDT	Special Weather Statement	RNK	Pulaski	30 min
Mar 24, 3:37 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Craig, Giles, Montgomery, Pulaski	53 min
Mar 24, 3:39 PM EDT	Severe Thunderstorm Warning	RNK	Floyd, Franklin, Henry, Patrick	66 min
Mar 24, 3:46 PM EDT	Tornado Warning	RNK	Floyd, Patrick	29 min
Mar 24, 4:08 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Patrick	67 min
Mar 24, 4:15 PM EDT	Tornado Warning	RNK	Franklin, Patrick	30 min
Mar 24, 4:26 PM EDT	Special Weather Statement	RNK	Alleghany	34 min
Mar 24, 4:41 PM EDT	Tornado Warning	RNK	Franklin	34 min
Mar 24, 4:48 PM EDT	Tornado Warning	RNK	Patrick	42 min
Mar 24, 5:09 PM EDT	Tornado Warning	RNK	Bedford, Franklin	36 min
Mar 24, 5:17 PM EDT	Flash Flood Warning	RNK	Floyd, Patrick	5 hr
Mar 24, 5:24 PM EDT	Tornado Warning	RNK	Henry, Patrick	36 min
Mar 24, 5:35 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Patrick	55 min
Mar 24, 5:38 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Campbell, Pittsylvania	67 min
Mar 24, 5:51 PM EDT	Tornado Warning	RNK	Franklin, Henry, City of Martinsville	39 min
Mar 24, 6:05 PM EDT	Tornado Warning	RNK	Campbell	25 min
Mar 24, 6:07 PM EDT	Severe Thunderstorm Warning	RNK	Patrick	53 min
Mar 24, 6:16 PM EDT	Special Weather Statement	RNK	Grayson	29 min
Mar 24, 6:19 PM EDT	Tornado Warning	RNK	Pittsylvania	41 min
Mar 24, 6:25 PM EDT	Flash Flood Warning	RNK	Franklin, Henry, Patrick	4 hr
Mar 24, 6:25 PM EDT	Tornado Warning	RNK	Amherst, Bedford, Campbell, City of Lynchburg	35 min
Mar 24, 6:33 PM EDT	Severe Thunderstorm Warning	RNK	Henry, City of Martinsville	34 min
Mar 24, 6:46 PM EDT	Areal Flood Advisory	RNK	Amherst, Bedford, Campbell, City of Lynchburg	3 hr
Mar 24, 6:53 PM EDT	Severe Thunderstorm Warning	RNK	Appomattox, Campbell	37 min
Mar 24, 7:04 PM EDT	Severe Thunderstorm Warning	RNK	Pittsylvania	56 min
Mar 24, 7:30 PM EDT	Special Weather Statement	RNK	Buckingham	30 min
Mar 24, 7:39 PM EDT	Severe Thunderstorm Warning	RNK	Campbell, Charlotte, Halifax, Pittsylvania	81 min
Mar 24, 7:57 PM EDT	Special Weather Statement	RNK	Buckingham	33 min
Mar 24, 12:24 PM EDT	Special Weather Statement	RNK	Alleghany	51 min
Mar 24, 12:43 PM EDT	Special Weather Statement	RNK	Wilkes	47 min
Mar 24, 4:31 PM EDT	Severe Thunderstorm Warning	RNK	Stokes, Surry, Yadkin	44 min
Mar 24, 6:05 PM EDT	Flash Flood Warning	RNK	Surry	4 hr
Mar 24, 6:45 PM EDT	Severe Thunderstorm Warning	RNK	Caswell, Rockingham	60 min
Mar 24, 3:29 PM EDT	Special Weather Statement	RNK	Summers	31 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.