Alert archive / Virginia / Special Weather Statements in 2018

Special Weather Statement, NWS Blacksburg, VA

August 6, 2018Bland County, Virginia

NWS Blacksburg, VA issued this special weather statement at Aug 6, 2018, 7:42 PM EDT for Bland County, Virginia. It was in force for 48 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: Aug 6, 2018, 7:42 PM EDT (23:42 UTC)
Expired: Aug 6, 2018, 8:30 PM EDT
In force: 48 min
Issued by: NWS Blacksburg, VA

County Bland County, VA

The radar

The Roanoke radar (KFCX), 64 km from the middle of the area, began a volume at 23:44 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

Roanoke, VA (KRNK), launched 12:00Z, 11.7 hours before the alert went out and 130 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: 49 J/kg
Mixed-layer CIN: -65 J/kg
Mixed-layer LCL: 1269 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 21 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Aug 6, 7:18 PM EDT, 24 minutes earlier.

Area forecast discussion, Aug 6, 7:18 PM EDT, 24 minutes before

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Hazardous weather outlook, Aug 6, 4:39 AM EDT, 15 hours 3 minutes before

Hazardous Weather Outlook
National Weather Service Blacksburg VA
439 AM EDT Mon Aug 6 2018

VAZ007-010>014-016>020-022>024-032>035-043>047-058-059-WVZ042>044-
507-508-070845-
Tazewell-Bland-Giles-Wythe-Pulaski-Montgomery-Carroll-Floyd-Craig-
Alleghany VA-Bath-Roanoke-Botetourt-Rockbridge-Patrick-Franklin-
Bedford-Amherst-Henry-Pittsylvania-Campbell-Appomattox-Buckingham-
Halifax-Charlotte-Mercer-Summers-Monroe-Eastern Greenbrier-
Western Greenbrier-
439 AM EDT Mon Aug 6 2018

This Hazardous Weather Outlook is for 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...Tuesday through Sunday.

A weather disturbance is expected to move east through the area on
Wednesday. Scattered showers and thunderstorms are expected to
develop in advance of this system. Some of the strongest storms may
produce locally damaging winds. The greatest potential for severe
weather on Wednesday will be during the afternoon and evening hours,
mainly along and north of Highway 460.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ001>006-018>020-VAZ009-015-070845-
Ashe-Alleghany NC-Surry-Stokes-Rockingham-Caswell-Watauga-Wilkes-
Yadkin-Smyth-Grayson-
439 AM EDT Mon Aug 6 2018

This Hazardous Weather Outlook is for north central North Carolina,
northwest North Carolina and southwest Virginia.

.DAY ONE...Today and tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

Wert

In the hours before

Local storm report, Aug 6, 4:40 PM EDT, 3 hours 2 minutes before

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Local storm report, Aug 6, 4:54 PM EDT, 2 hours 48 minutes before

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Special weather statement, Aug 6, 4:57 PM EDT, 2 hours 45 minutes before

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Special weather statement, Aug 6, 5:00 PM EDT, 2 hours 42 minutes before

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Special weather statement, Aug 6, 5:50 PM EDT, 1 hour 52 minutes before

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Special weather statement, Aug 6, 7:42 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
Aug 6, 1:12 PM EDT	Special Weather Statement	RNK	Grayson, City of Galax	33 min
Aug 6, 3:05 PM EDT	Special Weather Statement	RNK	Pulaski, City of Radford	55 min
Aug 6, 3:21 PM EDT	Special Weather Statement	RNK	Patrick	39 min
Aug 6, 3:29 PM EDT	Special Weather Statement	RNK	Giles	46 min
Aug 6, 3:46 PM EDT	Special Weather Statement	RNK	Floyd	44 min
Aug 6, 3:53 PM EDT	Severe Thunderstorm Warning	RNK	Floyd, Franklin, Patrick	67 min
Aug 6, 4:20 PM EDT	Special Weather Statement	RNK	Smyth	40 min
Aug 6, 4:57 PM EDT	Special Weather Statement	RNK	Alleghany, Botetourt, Craig, Roanoke, City of Covington, City of Roanoke and 1 more	63 min
Aug 6, 5:00 PM EDT	Special Weather Statement	RNK	Franklin	60 min
Aug 6, 5:50 PM EDT	Special Weather Statement	RNK	City of Danville	55 min
Aug 5, 8:30 PM EDT	Areal Flood Advisory	RNK	Surry	64 min
Aug 5, 10:18 PM EDT	Special Weather Statement	RNK	Caldwell	27 min
Aug 6, 1:17 PM EDT	Special Weather Statement	RNK	Alleghany, Surry	58 min
Aug 6, 1:24 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Surry, Wilkes	66 min
Aug 6, 1:31 PM EDT	Special Weather Statement	RNK	Caldwell	29 min
Aug 6, 2:10 PM EDT	Special Weather Statement	RNK	Wilkes	50 min
Aug 6, 2:26 PM EDT	Severe Thunderstorm Warning	RNK	Surry	49 min
Aug 6, 2:42 PM EDT	Areal Flood Advisory	RNK	Surry	67 min
Aug 6, 2:52 PM EDT	Special Weather Statement	RNK	Ashe	53 min
Aug 6, 3:02 PM EDT	Severe Thunderstorm Warning	RNK	Wilkes, Yadkin	41 min
Aug 6, 3:11 PM EDT	Special Weather Statement	RNK	Watauga	49 min
Aug 6, 3:15 PM EDT	Areal Flood Advisory	RNK	Watauga	2 hr
Aug 6, 4:06 PM EDT	Special Weather Statement	RNK	Stokes	39 min
Aug 6, 4:37 PM EDT	Special Weather Statement	RNK	Summers	38 min
Aug 6, 5:18 PM EDT	Areal Flood Advisory	RNK	Mercer, Summers	117 min
Aug 6, 7:58 PM EDT	Special Weather Statement	RNK	Summers	47 min

Nearby

Special Weather Statements in Virginia, 2018 Every special weather statement in 2018

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.