Alert archive / Virginia / Special Weather Statements in 2011

Special Weather Statement, NWS Blacksburg, VA

July 3, 2011Smyth County, Virginia

NWS Blacksburg, VA issued this special weather statement at Jul 3, 2011, 9:42 PM EDT for Smyth County, Virginia. It was in force for 63 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: Jul 3, 2011, 9:42 PM EDT (01:42 UTC)
Expired: Jul 3, 2011, 10:45 PM EDT
In force: 63 min
Issued by: NWS Blacksburg, VA

County Smyth County, VA

The radar

The Roanoke radar (KFCX), 113 km from the middle of the area, began a volume at 01:42 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 00:00Z, 1.7 hours before the alert went out and 174 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: 1498 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 1549 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 57 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 Jul 3, 7:59 PM EDT, 1 hour 43 minutes earlier.

Area forecast discussion, Jul 3, 7:59 PM EDT, 1 hour 43 minutes before

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Hazardous weather outlook, Jul 3, 3:49 PM EDT, 5 hours 53 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
349 PM EDT SUN JUL 3 2011

NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059-
WVZ042>045-042000-
ASHE-ALLEGHANY NC-SURRY-STOKES-ROCKINGHAM-CASWELL-WATAUGA-WILKES-
YADKIN-TAZEWELL-SMYTH-BLAND-GILES-WYTHE-PULASKI-MONTGOMERY-GRAYSON-
CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-
PATRICK-FRANKLIN-BEDFORD-AMHERST-HENRY-PITTSYLVANIA-CAMPBELL-
APPOMATTOX-BUCKINGHAM-HALIFAX-CHARLOTTE-MERCER-SUMMERS-MONROE-
GREENBRIER-
349 PM EDT SUN JUL 3 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH
CAROLINA...NORTHWEST NORTH CAROLINA...CENTRAL VIRGINIA...SOUTH
CENTRAL VIRGINIA...SOUTHWEST VIRGINIA...WEST CENTRAL VIRGINIA AND
SOUTHEAST WEST VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

16

In the hours before

Local storm report, Jul 3, 8:12 PM EDT, 1 hour 30 minutes before

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Local storm report, Jul 3, 8:21 PM EDT, 1 hour 21 minutes before

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Local storm report, Jul 3, 8:45 PM EDT, 57 minutes before

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Special weather statement, Jul 3, 8:54 PM EDT, 48 minutes before

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Local storm report, Jul 3, 9:38 PM EDT, 4 minutes before

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Special weather statement, Jul 3, 9:42 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
Jul 3, 8:54 PM EDT	Special Weather Statement	RNK	Botetourt	66 min
Jul 4, 12:47 PM EDT	Special Weather Statement	RNK	Floyd, Montgomery, Pulaski, City of Radford	58 min
Jul 4, 1:34 PM EDT	Severe Thunderstorm Warning	RNK	Grayson	56 min
Jul 4, 1:42 PM EDT	Severe Thunderstorm Warning	RNK	Grayson	63 min
Jul 4, 2:00 PM EDT	Special Weather Statement	RNK	Franklin, Pittsylvania	60 min
Jul 4, 2:07 PM EDT	Severe Thunderstorm Warning	RNK	Tazewell	53 min
Jul 4, 2:13 PM EDT	Severe Thunderstorm Warning	RNK	Smyth, Tazewell	62 min
Jul 4, 2:18 PM EDT	Special Weather Statement	RNK	Montgomery	27 min
Jul 4, 2:27 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Craig	63 min
Jul 4, 2:48 PM EDT	Flash Flood Watch	RNK	Alleghany, Amherst, Appomattox, Bath, Bedford, Bland and 31 more	4 hr
Jul 4, 2:48 PM EDT	Special Weather Statement	RNK	Giles	57 min
Jul 4, 2:52 PM EDT	Flash Flood Warning	RNK	Franklin, Henry	5 hr
Jul 4, 3:00 PM EDT	Severe Thunderstorm Warning	RNK	Botetourt, Craig, Roanoke, City of Roanoke, City of Salem	48 min
Jul 4, 3:12 PM EDT	Special Weather Statement	RNK	Bland, Pulaski, Smyth, Wythe	63 min
Jul 4, 3:21 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Franklin, Roanoke	54 min
Jul 4, 3:25 PM EDT	Severe Thunderstorm Warning	RNK	Halifax, Pittsylvania	65 min
Jul 4, 3:55 PM EDT	Special Weather Statement	RNK	Franklin, Montgomery, City of Radford	65 min
Jul 4, 4:05 PM EDT	Severe Thunderstorm Warning	RNK	Charlotte	55 min
Jul 4, 4:06 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Bedford, Botetourt, Rockbridge, City of Buena Vista, City of Lexington	54 min
Jul 4, 4:25 PM EDT	Severe Thunderstorm Warning	RNK	Charlotte, Halifax	65 min
Jul 4, 4:46 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Appomattox, Buckingham	59 min
Jul 4, 4:57 PM EDT	Severe Thunderstorm Warning	RNK	Pittsylvania, City of Danville	52 min
Jul 4, 5:04 PM EDT	Severe Thunderstorm Warning	RNK	Charlotte	26 min
Jul 4, 5:17 PM EDT	Severe Thunderstorm Warning	RNK	Patrick	58 min
Jul 4, 5:31 PM EDT	Severe Thunderstorm Warning	RNK	Pittsylvania	59 min
Jul 4, 5:47 PM EDT	Severe Thunderstorm Warning	RNK	Buckingham	28 min
Jul 4, 6:11 PM EDT	Areal Flood Advisory	RNK	Pittsylvania, City of Danville	2 hr
Jul 4, 2:56 PM EDT	Severe Thunderstorm Warning	RNK	Wilkes	64 min
Jul 4, 3:29 PM EDT	Special Weather Statement	RNK	Surry	61 min
Jul 4, 3:33 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Surry, Wilkes	57 min
Jul 4, 4:10 PM EDT	Special Weather Statement	RNK	Wilkes	35 min
Jul 4, 4:16 PM EDT	Severe Thunderstorm Warning	RNK	Surry, Yadkin	29 min
Jul 4, 4:33 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Stokes, Surry, Wilkes, Yadkin	57 min
Jul 4, 4:49 PM EDT	Severe Thunderstorm Warning	RNK	Stokes, Surry, Yadkin	26 min
Jul 4, 5:52 PM EDT	Special Weather Statement	RNK	Caswell	23 min

Nearby

Special Weather Statements in Virginia, 2011 Every special weather statement in 2011

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.