Alert archive / Virginia / Special Weather Statements in 2016

Special Weather Statement, NWS Blacksburg, VA

March 14, 2016Grayson County, Virginia

NWS Blacksburg, VA issued this special weather statement at Mar 14, 2016, 5:49 PM EDT for Grayson County, Virginia. It was in force for 41 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 14, 2016, 5:49 PM EDT (21:49 UTC)
Expired: Mar 14, 2016, 6:30 PM EDT
In force: 41 min
Issued by: NWS Blacksburg, VA

County Grayson County, VA

The radar

The Roanoke radar (KFCX), 127 km from the middle of the area, began a volume at 21:52 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, 9.8 hours before the alert went out and 163 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: 38 J/kg
Mixed-layer CIN: -172 J/kg
Mixed-layer LCL: 577 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 72 m²/s²
0-3 km storm-relative helicity: 76 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

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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 14, 3:52 PM EDT, 1 hour 57 minutes earlier.

Area forecast discussion, Mar 14, 3:52 PM EDT, 1 hour 57 minutes before

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Hazardous weather outlook, Mar 14, 3:28 PM EDT, 2 hours 21 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
328 PM EDT MON MAR 14 2016

NCZ001>004-018>020-VAZ015-016-032-151930-
ASHE-ALLEGHANY NC-SURRY-STOKES-WATAUGA-WILKES-YADKIN-GRAYSON-CARROLL-
PATRICK-
328 PM EDT MON MAR 14 2016

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS ARE EXPECTED LATE THIS AFTERNOON INTO THE
EVENING HOURS. THERE IS A SLIGHT RISK THAT A FEW OF THESE COULD
BECOME SEVERE. LARGE HAIL IS THE MAIN SEVERE WEATHER THREAT...WITH
STRONG DAMAGING WIND GUSTS A SECONDARY THREAT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER LOW AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ005-006-VAZ007-009>014-017>019-022-023-033-034-043>045-058-059-
WVZ042>044-507-508-151930-
ROCKINGHAM-CASWELL-TAZEWELL-SMYTH-BLAND-GILES-WYTHE-PULASKI-
MONTGOMERY-FLOYD-CRAIG-ALLEGHANY VA-ROANOKE-BOTETOURT-FRANKLIN-
BEDFORD-HENRY-PITTSYLVANIA-CAMPBELL-HALIFAX-CHARLOTTE-MERCER-SUMMERS-
MONROE-EASTERN GREENBRIER-WESTERN GREENBRIER-
328 PM EDT MON MAR 14 2016

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS ARE EXPECTED DURING THE LATE AFTERNOON
INTO THE EVENING HOURS. A FEW OF THESE THUNDERSTORMS COULD BECOME
STRONG TO SEVERE...WITH MARGINALLY SEVERE HAIL BEING THE MAIN
HAZARD.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER LOW AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

VAZ020-024-035-046-047-151930-
BATH-ROCKBRIDGE-AMHERST-APPOMATTOX-BUCKINGHAM-
328 PM EDT MON MAR 14 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL VIRGINIA AND WEST
CENTRAL VIRGINIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED THUNDERSTORMS ARE EXPECTED THIS EVENING. A FEW MAY
BECOME STRONG TO POSSIBLY SEVERE. THE MAIN THREAT WOULD BE HAIL.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER LOW AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Mar 14, 4:33 PM EDT, 1 hour 16 minutes before

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Local storm report, Mar 14, 4:46 PM EDT, 1 hour 3 minutes before

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Special weather statement, Mar 14, 4:48 PM EDT, 1 hour 1 minute before

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Special weather statement, Mar 14, 5:02 PM EDT, 47 minutes before

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Special weather statement, Mar 14, 5:32 PM EDT, 17 minutes before

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Special weather statement, Mar 14, 5:49 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 13, 8:00 PM EDT	Special Weather Statement	RNK	Carroll, Floyd, Patrick, City of Galax	60 min
Mar 13, 9:01 PM EDT	Special Weather Statement	RNK	Franklin, Henry, Patrick, City of Martinsville	59 min
Mar 13, 9:12 PM EDT	Special Weather Statement	RNK	Halifax	48 min
Mar 13, 9:45 PM EDT	Special Weather Statement	RNK	Campbell, Franklin, Henry, Patrick, City of Martinsville	60 min
Mar 13, 10:10 PM EDT	Areal Flood Advisory	RNK	Bedford, Franklin, Henry	3 hr
Mar 13, 10:36 PM EDT	Special Weather Statement	RNK	Pittsylvania	54 min
Mar 13, 10:48 PM EDT	Severe Thunderstorm Warning	RNK	Franklin, Pittsylvania	57 min
Mar 13, 11:45 PM EDT	Special Weather Statement	RNK	Halifax, Pittsylvania, City of Danville	45 min
Mar 14, 12:36 AM EDT	Special Weather Statement	RNK	Charlotte	39 min
Mar 14, 5:09 AM EDT	Dense Fog Advisory	RNK	Alleghany, Bath, Bland, Botetourt, Carroll, Craig and 16 more	5 hr
Mar 14, 3:14 PM EDT	Special Weather Statement	RNK	Tazewell	46 min
Mar 14, 3:49 PM EDT	Special Weather Statement	RNK	Tazewell	26 min
Mar 14, 4:07 PM EDT	Severe Thunderstorm Warning	RNK	Bland, Tazewell	38 min
Mar 14, 4:19 PM EDT	Special Weather Statement	RNK	Smyth	41 min
Mar 14, 4:48 PM EDT	Special Weather Statement	RNK	Smyth, Tazewell	42 min
Mar 14, 5:02 PM EDT	Special Weather Statement	RNK	Grayson	43 min
Mar 14, 5:32 PM EDT	Special Weather Statement	RNK	Bland	43 min
Mar 14, 6:12 PM EDT	Special Weather Statement	RNK	Pulaski	48 min
Mar 14, 6:28 PM EDT	Special Weather Statement	RNK	Carroll	47 min
Mar 14, 6:29 PM EDT	Special Weather Statement	RNK	Grayson, Wythe	46 min
Mar 14, 7:11 PM EDT	Special Weather Statement	RNK	Carroll	49 min
Mar 14, 7:12 PM EDT	Special Weather Statement	RNK	Patrick	63 min
Mar 14, 7:20 PM EDT	Special Weather Statement	RNK	City of Martinsville	25 min
Mar 14, 7:46 PM EDT	Special Weather Statement	RNK	Franklin	44 min
Mar 14, 7:49 PM EDT	Severe Thunderstorm Warning	RNK	Henry, City of Martinsville	41 min
Mar 14, 7:07 PM EDT	Special Weather Statement	RNK	Caswell	38 min
Mar 14, 7:22 PM EDT	Special Weather Statement	RNK	Stokes	53 min

Nearby

Special Weather Statements in Virginia, 2016 Every special weather statement in 2016

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.