Alert archive / Virginia / Special Weather Statements in 2018

Special Weather Statement, NWS Blacksburg, VA

August 2, 2018Bedford County, Botetourt County, Virginia

NWS Blacksburg, VA issued this special weather statement at Aug 2, 2018, 4:23 AM EDT for Bedford County, Botetourt County, Virginia. It was in force for 67 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 2, 2018, 4:23 AM EDT (08:23 UTC)
Expired: Aug 2, 2018, 5:30 AM EDT
In force: 67 min
Issued by: NWS Blacksburg, VA

Counties Bedford County, VA, Botetourt County, VA

The radar

The Roanoke radar (KFCX), 51 km from the middle of the area, began a volume at 08:26 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 00:00Z, 8.4 hours before the alert went out and 28 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: 198 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 764 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 27 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.6

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 2, 2:25 AM EDT, 1 hour 58 minutes earlier.

Area forecast discussion, Aug 2, 2:25 AM EDT, 1 hour 58 minutes before

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Hazardous weather outlook, Aug 1, 10:57 PM EDT, 5 hours 26 minutes before

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In the hours before

Local storm report, Aug 1, 11:00 PM EDT, 5 hours 23 minutes before

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Local storm report, Aug 1, 11:04 PM EDT, 5 hours 19 minutes before

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Special weather statement, Aug 2, 3:34 AM EDT, 49 minutes before

Special Weather Statement
National Weather Service Blacksburg VA
334 AM EDT Thu Aug 2 2018

NCZ001>003-018>020-VAZ015>017-032-021200-
Ashe-Alleghany NC-Surry-Watauga-Wilkes-Yadkin-Grayson-Carroll-
Floyd-Patrick-
Including the cities of West Jefferson, Sparta, Dobson, Boone,
Wilkesboro, Yadkinville, Independence, Whitetop, Troutdale,
Volney, Galax, Floyd, and Stuart
334 AM EDT Thu Aug 2 2018

...SHOWERS AND DENSE FOG ALONG THE BLUE RIDGE AND FOOTHILLS THIS
MORNING...

Scattered showers with heavy rains will continue to lift northeast
across the region this morning. The combination of light winds and
moisture will result in patches of fog. Fog will limit
visibilities to under a half mile this morning along the Blue
Ridge from Boone to Floyd, including the foothills of Surry and
Wilkes County. I-77 along Fancy Gap mountain could be fogged in,
so use extreme caution if driving from North Carolina into
Virginia on this route, as well, as Highway 52, and Routes 421 and
321 in North Carolina. Use your low beams and hazard lights to
ensure safe travels.

The fog and low clouds should lift by mid morning.

07

Special weather statement, Aug 2, 4:23 AM EDT, 0 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
423 AM EDT THU AUG 2 2018

VAZ023-033-034-020930-
Botetourt-Franklin-Bedford-
423 AM EDT THU AUG 2 2018

...A STRONG THUNDERSTORM WILL AFFECT WESTERN BEDFORD...SOUTHEASTERN
BOTETOURT AND NORTHEASTERN FRANKLIN COUNTIES...

Until 530 AM EDT.

At 422 AM EDT, a strong thunderstorm was located near Burnt Chimney,
moving north at 25 mph.

Winds in excess of 30 mph are possible with this storm.

Locations impacted include...
Bedford...
Rocky Mount...
Buchanan...
Stewartsville...
and Montvale.

This includes The following Location The National D-Day Memorial.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 3758 7980 3745 7941 3696 7972 3703 7992
      3721 7988 3722 7985 3723 7984 3727 7986
      3730 7984 3732 7986
TIME...MOT...LOC 0822Z 201DEG 22KT 3707 7979

KK

The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 1, 8:20 PM EDT	Areal Flood Advisory	RNK	Appomattox, Campbell, Charlotte, Halifax	88 min
Aug 1, 8:26 PM EDT	Severe Thunderstorm Warning	RNK	Appomattox, Buckingham, Campbell, Charlotte	94 min
Aug 1, 8:52 PM EDT	Special Weather Statement	RNK	Pittsylvania, City of Danville	38 min
Aug 1, 9:05 PM EDT	Areal Flood Advisory	RNK	Appomattox, Buckingham	3 hr
Aug 1, 9:29 PM EDT	Special Weather Statement	RNK	Appomattox, Campbell	46 min
Aug 1, 9:46 PM EDT	Flash Flood Warning	RNK	Appomattox, Campbell, Charlotte, Halifax	6 hr
Aug 2, 12:41 AM EDT	Areal Flood Advisory	RNK	Charlotte, Halifax	5 hr
Aug 2, 4:28 AM EDT	Areal Flood Advisory	RNK	Bland, Carroll, Giles, Grayson, Smyth, Tazewell and 1 more	3 hr
Aug 2, 5:03 AM EDT	Special Weather Statement	RNK	Giles, Pulaski, City of Radford	57 min
Aug 2, 5:38 AM EDT	Areal Flood Advisory	RNK	Giles, Pulaski, Wythe	6 hr
Aug 2, 6:35 AM EDT	Special Weather Statement	RNK	Alleghany, Craig, City of Covington	55 min
Aug 2, 6:49 AM EDT	Special Weather Statement	RNK	City of Danville	56 min
Aug 2, 7:21 AM EDT	Areal Flood Advisory	RNK	Henry, Pittsylvania, City of Danville	3 hr
Aug 2, 7:35 AM EDT	Special Weather Statement	RNK	Alleghany, Bath, City of Covington	55 min
Aug 2, 8:34 AM EDT	Areal Flood Advisory	RNK	Campbell, Pittsylvania	3 hr
Aug 2, 9:00 AM EDT	River Flood Warning	RNK	Pittsylvania, City of Danville	36 hr
Aug 2, 9:00 AM EDT	River Flood Warning	RNK	Halifax	69 hr
Aug 2, 9:27 AM EDT	Special Weather Statement	RNK	Pittsylvania	33 min
Aug 2, 9:59 AM EDT	Special Weather Statement	RNK	Halifax	31 min
Aug 2, 10:33 AM EDT	Areal Flood Advisory	RNK	Pittsylvania, City of Danville	3 hr
Aug 2, 10:57 AM EDT	Flash Flood Warning	RNK	Pittsylvania, City of Danville	3 hr
Aug 2, 2:35 PM EDT	Special Weather Statement	RNK	City of Roanoke	40 min
Aug 2, 3:03 PM EDT	Areal Flood Warning	RNK	Franklin, Roanoke, City of Roanoke	4 hr
Aug 2, 3:16 PM EDT	Special Weather Statement	RNK	Montgomery, Pulaski, City of Radford	44 min
Aug 2, 3:22 PM EDT	Special Weather Statement	RNK	Bedford	38 min
Aug 2, 3:34 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Franklin, Roanoke	41 min
Aug 2, 3:38 PM EDT	Areal Flood Advisory	RNK	Bedford, Franklin	104 min
Aug 2, 3:42 PM EDT	River Flood Warning	RNK	Halifax	57 hr
Aug 2, 4:06 PM EDT	Special Weather Statement	RNK	Bedford	24 min
Aug 2, 4:25 PM EDT	Severe Thunderstorm Warning	RNK	Henry, Patrick, City of Martinsville	65 min
Aug 2, 4:48 PM EDT	Special Weather Statement	RNK	City of Lynchburg	57 min
Aug 2, 5:10 PM EDT	Flash Flood Warning	RNK	Henry, City of Martinsville	5 hr
Aug 2, 5:16 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Appomattox, Bedford, Campbell, City of Lynchburg	59 min
Aug 2, 5:21 PM EDT	Areal Flood Warning	RNK	Bedford, Franklin	114 min
Aug 2, 5:26 PM EDT	Severe Thunderstorm Warning	RNK	Franklin, Henry, Pittsylvania, City of Martinsville	48 min
Aug 2, 5:45 PM EDT	Flash Flood Warning	RNK	Amherst, Bedford, Campbell, Franklin, Pittsylvania, City of Lynchburg	12 hr
Aug 2, 6:41 PM EDT	Special Weather Statement	RNK	City of Lynchburg	64 min
Aug 2, 7:30 PM EDT	Special Weather Statement	RNK	Franklin, Henry, Patrick	60 min
Aug 2, 7:45 PM EDT	Areal Flood Advisory	RNK	Bland, Giles, Pulaski, Wythe	2 hr
Aug 1, 8:14 PM EDT	Special Weather Statement	RNK	Rockingham	31 min
Aug 1, 8:15 PM EDT	Special Weather Statement	RNK	Caswell	30 min
Aug 2, 8:04 AM EDT	Flash Flood Warning	RNK	Rockingham	14 hr
Aug 2, 2:11 PM EDT	Special Weather Statement	RNK	Alleghany, Surry, Wilkes	49 min
Aug 2, 3:11 PM EDT	Special Weather Statement	RNK	Stokes	64 min
Aug 2, 4:18 PM EDT	Severe Thunderstorm Warning	RNK	Rockingham, Stokes	57 min
Aug 2, 4:20 PM EDT	Flash Flood Warning	RNK	Rockingham, Stokes	6 hr
Aug 2, 4:51 PM EDT	Severe Thunderstorm Warning	RNK	Rockingham	24 min
Aug 2, 6:24 PM EDT	Severe Thunderstorm Warning	RNK	Stokes, Surry, Wilkes, Yadkin	51 min
Aug 2, 6:30 PM EDT	Flash Flood Warning	RNK	Stokes, Surry, Wilkes, Yadkin	6 hr
Aug 2, 6:43 PM EDT	Special Weather Statement	RNK	Stokes	47 min
Aug 2, 7:17 PM EDT	Special Weather Statement	RNK	Surry	58 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.