Alert archive / Virginia / Special Weather Statements in 2014

Special Weather Statement, NWS Blacksburg, VA

July 8, 2014Appomattox County, Virginia

NWS Blacksburg, VA issued this special weather statement at Jul 8, 2014, 9:09 PM EDT for Appomattox County, Virginia. It was in force for 51 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 8, 2014, 9:09 PM EDT (01:09 UTC)
Expired: Jul 8, 2014, 10:00 PM EDT
In force: 51 min
Issued by: NWS Blacksburg, VA

County Appomattox County, VA

The radar

The Roanoke radar (KFCX), 137 km from the middle of the area, began a volume at 01:10 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

Washington/Dulle, VA (KIAD), launched 00:00Z, 1.2 hours before the alert went out and 210 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1479 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 158 m²/s²
0-3 km storm-relative helicity: 178 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 8, 8:34 PM EDT, 35 minutes earlier.

Area forecast discussion, Jul 8, 8:34 PM EDT, 35 minutes before

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Hazardous weather outlook, Jul 8, 6:05 PM EDT, 3 hours 4 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
605 PM EDT TUE JUL 8 2014

NCZ001-002-018-VAZ007-009>020-022>024-WVZ042>045-092215-
ASHE-ALLEGHANY NC-WATAUGA-TAZEWELL-SMYTH-BLAND-GILES-WYTHE-PULASKI-
MONTGOMERY-GRAYSON-CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-
BOTETOURT-ROCKBRIDGE-MERCER-SUMMERS-MONROE-GREENBRIER-
605 PM EDT TUE JUL 8 2014

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

.DAY ONE...TONIGHT.

ISOLATED TO WIDELY SCATTERED SEVERE THUNDERSTORMS ARE POSSIBLE
THIS EVENING INTO TONIGHT. DAMAGING WINDS WILL BE THE PRIMARY
SEVERE THREAT ESPECIALLY WITHIN LINEAR BANDS OF STORMS. LARGE HAIL
WILL ALSO BE POSSIBLE WITH CLUSTERS OF STRONGER STORMS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

A FEW STRONG THUNDERSTORMS MAY OCCUR DURING WEDNESDAY AS A WEAK
COLD FRONT DRIFTS THROUGH THE AREA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ003>006-019-020-VAZ032>035-043>047-058-059-092215-
SURRY-STOKES-ROCKINGHAM-CASWELL-WILKES-YADKIN-PATRICK-FRANKLIN-
BEDFORD-AMHERST-HENRY-PITTSYLVANIA-CAMPBELL-APPOMATTOX-BUCKINGHAM-
HALIFAX-CHARLOTTE-
605 PM EDT TUE JUL 8 2014

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

.DAY ONE...TONIGHT.

WIDELY SCATTERED STRONG THUNDERSTORMS ARE EXPECTED VERY LATE THIS
AFTERNOON AND EVENING. SOME OF THE STORMS COULD CONTAIN LOCALIZED
STRONG WINDS AND SMALL HAIL.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

STRONG TO ISOLATED SEVERE THUNDERSTORMS WILL BE POSSIBLE WEDNESDAY
AFTERNOON AND EVENING AS A WEAK COLD FRONT MOVES INTO THE REGION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Jul 8, 8:35 PM EDT, 34 minutes before

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Special weather statement, Jul 8, 8:45 PM EDT, 24 minutes before

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Local storm report, Jul 8, 8:53 PM EDT, 16 minutes before

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Local storm report, Jul 8, 8:57 PM EDT, 12 minutes before

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Local storm report, Jul 8, 9:01 PM EDT, 8 minutes before

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Special weather statement, Jul 8, 9:09 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 8, 8:35 PM EDT	Special Weather Statement	RNK	Campbell, City of Lynchburg	55 min
Jul 8, 8:45 PM EDT	Special Weather Statement	RNK	Pittsylvania, City of Martinsville	45 min
Jul 8, 9:19 PM EDT	Special Weather Statement	RNK	Charlotte	56 min
Jul 8, 9:37 PM EDT	Special Weather Statement	RNK	Buckingham	38 min
Jul 9, 1:46 PM EDT	Special Weather Statement	RNK	Pittsylvania	44 min
Jul 9, 2:00 PM EDT	Special Weather Statement	RNK	Franklin	45 min
Jul 9, 2:08 PM EDT	Special Weather Statement	RNK	Bedford, Campbell, City of Lynchburg	52 min
Jul 9, 2:16 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Campbell	59 min
Jul 9, 2:37 PM EDT	Severe Thunderstorm Warning	RNK	Franklin, Henry, Pittsylvania	53 min
Jul 9, 3:00 PM EDT	Special Weather Statement	RNK	Charlotte	60 min
Jul 9, 3:08 PM EDT	Special Weather Statement	RNK	City of Danville	67 min
Jul 9, 3:27 PM EDT	Severe Thunderstorm Warning	RNK	Halifax, Pittsylvania	63 min
Jul 9, 3:41 PM EDT	Special Weather Statement	RNK	Pulaski, Smyth, Wythe	64 min
Jul 9, 4:16 PM EDT	Special Weather Statement	RNK	Floyd	44 min
Jul 9, 4:28 PM EDT	Special Weather Statement	RNK	Charlotte	62 min
Jul 9, 4:49 PM EDT	Special Weather Statement	RNK	Franklin	56 min
Jul 9, 5:16 PM EDT	Severe Thunderstorm Warning	RNK	Franklin	44 min
Jul 9, 5:55 PM EDT	Special Weather Statement	RNK	Pittsylvania	65 min
Jul 9, 6:02 PM EDT	Special Weather Statement	RNK	Henry	43 min
Jul 9, 6:43 PM EDT	Special Weather Statement	RNK	Henry, City of Martinsville	47 min
Jul 9, 7:47 PM EDT	Severe Thunderstorm Warning	RNK	Halifax	58 min
Jul 9, 7:54 PM EDT	Special Weather Statement	RNK	Pittsylvania, City of Danville	66 min
Jul 9, 4:06 PM EDT	Special Weather Statement	RNK	Wilkes	54 min
Jul 9, 6:51 PM EDT	Special Weather Statement	RNK	Caswell	39 min
Jul 9, 7:01 PM EDT	Severe Thunderstorm Warning	RNK	Caswell, Rockingham	59 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.