Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Blacksburg, VA

March 15, 2012Watauga County, North Carolina

NWS Blacksburg, VA issued this special weather statement at Mar 15, 2012, 4:45 PM EDT for Watauga County, North Carolina. It was in force for 60 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 15, 2012, 4:45 PM EDT (20:45 UTC)
Expired: Mar 15, 2012, 5:45 PM EDT
In force: 60 min
Issued by: NWS Blacksburg, VA

County Watauga County, NC

The radar

The Greer radar (KGSP), 149 km from the middle of the area, began a volume at 20:48 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, 8.8 hours before the alert went out and 162 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: 3 J/kg
Mixed-layer CIN: -130 J/kg
Mixed-layer LCL: 2031 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 29 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 Mar 15, 4:15 PM EDT, 30 minutes earlier.

Area forecast discussion, Mar 15, 4:15 PM EDT, 30 minutes before

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Hazardous weather outlook, Mar 15, 3:57 AM EDT, 12 hours 48 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
357 AM EDT THU MAR 15 2012

NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059-
WVZ042>045-160800-
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-
357 AM EDT THU MAR 15 2012

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...TODAY AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Mar 15, 3:52 PM EDT, 53 minutes before

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Local storm report, Mar 15, 4:08 PM EDT, 37 minutes before

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Special weather statement, Mar 15, 4:14 PM EDT, 31 minutes before

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Local storm report, Mar 15, 4:24 PM EDT, 21 minutes before

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Special weather statement, Mar 15, 4:41 PM EDT, 4 minutes before

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Special weather statement, Mar 15, 4:45 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 15, 12:07 PM EDT	Special Weather Statement	RNK	Bland, Smyth, Tazewell	53 min
Mar 15, 1:04 PM EDT	Special Weather Statement	RNK	Wythe	56 min
Mar 15, 2:14 PM EDT	Special Weather Statement	RNK	Carroll, Wythe, City of Galax	61 min
Mar 15, 2:38 PM EDT	Special Weather Statement	RNK	Patrick	67 min
Mar 15, 2:56 PM EDT	Severe Thunderstorm Warning	RNK	Grayson	49 min
Mar 15, 3:33 PM EDT	Special Weather Statement	RNK	Tazewell	57 min
Mar 15, 4:14 PM EDT	Special Weather Statement	RNK	Bland, Smyth	61 min
Mar 15, 4:41 PM EDT	Special Weather Statement	RNK	Bland, Giles, Grayson, Pulaski, Smyth, Wythe and 2 more	64 min
Mar 15, 5:12 PM EDT	Special Weather Statement	RNK	Carroll, Floyd, Grayson, Montgomery, Wythe, City of Galax and 1 more	63 min
Mar 15, 12:29 PM EDT	Special Weather Statement	RNK	Watauga	61 min
Mar 15, 1:14 PM EDT	Special Weather Statement	RNK	Wilkes	61 min
Mar 15, 1:38 PM EDT	Special Weather Statement	RNK	Surry	67 min
Mar 15, 2:29 PM EDT	Special Weather Statement	RNK	Surry	61 min
Mar 15, 3:25 PM EDT	Special Weather Statement	RNK	Alleghany	65 min
Mar 15, 5:15 PM EDT	Severe Thunderstorm Warning	RNK	Watauga	45 min
Mar 15, 5:38 PM EDT	Flash Flood Warning	RNK	Watauga	3 hr

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.