Alert archive / Virginia / Special Weather Statements in 2021

Special Weather Statement, NWS Blacksburg, VA

June 4, 2021Henry County, City of Martinsville, Virginia; Stokes County, North Carolina

NWS Blacksburg, VA issued this special weather statement at Jun 4, 2021, 1:48 AM EDT for Henry County, City of Martinsville, Virginia; Stokes County, North Carolina. It was in force for 27 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: Jun 4, 2021, 1:48 AM EDT (05:48 UTC)
Expired: Jun 4, 2021, 2:15 AM EDT
In force: 27 min
Issued by: NWS Blacksburg, VA

Counties Stokes County, NC, City of Martinsville, VA, Henry County, VA

The radar

The Roanoke radar (KFCX), 58 km from the middle of the area, began a volume at 05:51 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 00:00Z, 5.8 hours before the alert went out and 56 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: 284 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 921 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 49 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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 Jun 4, 1:10 AM EDT, 38 minutes earlier.

Area forecast discussion, Jun 4, 1:10 AM EDT, 38 minutes before

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Hazardous weather outlook, Jun 3, 11:32 PM EDT, 2 hours 16 minutes before

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In the hours before

Special weather statement, Jun 3, 9:56 PM EDT, 3 hours 52 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
956 PM EDT Thu Jun 3 2021

NCZ004-005-040230-
Stokes-Rockingham-
956 PM EDT Thu Jun 3 2021

...A STRONG THUNDERSTORM WILL AFFECT
SOUTHEASTERN STOKES AND SOUTHWESTERN ROCKINGHAM COUNTIES...

At 956 PM EDT, a strong thunderstorm was located over Walnut Cove,
moving east at 20 mph.

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

Locations impacted include...
Mayodan...
Madison...
Walnut Cove...
Pine Hall...
Intelligence...
Ellisboro...
and Bethany.

Locally heavy rain will quickly reduce visibility and result in
ponding of water on roadways, standing water in low lying areas, and
minor flooding of creeks, streams, and areas of poor drainage.
Drivers are urged to slow down and use extra caution to avoid
hydroplaning.

LAT...LON 3626 8021 3637 8022 3643 7982 3625 7980
TIME...MOT...LOC 0156Z 264DEG 18KT 3628 8011

RR

Special weather statement, Jun 3, 11:26 PM EDT, 2 hours 22 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
1126 PM EDT Thu Jun 3 2021

VAZ018-023-040400-
Botetourt-Craig-
1126 PM EDT Thu Jun 3 2021

...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT
CRAIG AND NORTHWESTERN BOTETOURT COUNTIES...

At 1126 PM EDT, strong thunderstorms were clustered near Oriskany,
moving east at 20 mph.

Winds in excess of 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
New Castle...
Eagle Rock...
Oriskany...
Sinking Creek...
Paint Bank...
Fincastle...
and Abbott.

Locally heavy rain will quickly reduce visibility and result in
ponding of water on roadways, standing water in low lying areas, and
minor flooding of creeks, streams, and areas of poor drainage.
Drivers are urged to slow down and use extra caution to avoid
hydroplaning.

LAT...LON 3775 7982 3749 7975 3740 8005 3742 8008
      3738 8015 3738 8020 3734 8027 3746 8041
      3751 8030 3753 8028 3753 8031 3754 8033
      3755 8032 3761 8017 3760 8015 3766 8003
      3765 8002 3770 7994 3770 7992
TIME...MOT...LOC 0326Z 258DEG 16KT 3758 8007

WP

Special weather statement, Jun 3, 11:28 PM EDT, 2 hours 20 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
1128 PM EDT Thu Jun 3 2021

NCZ003-004-020-040400-
Stokes-Yadkin-Surry-
1128 PM EDT Thu Jun 3 2021

...A STRONG THUNDERSTORM WILL AFFECT
SOUTHEASTERN SURRY...SOUTHEASTERN STOKES AND NORTHEASTERN YADKIN
COUNTIES...

At 1128 PM EDT, a strong thunderstorm was located near King, or near
East Bend, moving northeast at 30 mph.

Winds in excess of 30 mph and pea size hail are possible with this
storm.

Locations impacted include...
Walnut Cove...
East Bend...
Danbury...
King...
Pine Hall...
Enon...
and Pinnacle.

Locally heavy rain will quickly reduce visibility and result in
ponding of water on roadways, standing water in low lying areas, and
minor flooding of creeks, streams, and areas of poor drainage.
Drivers are urged to slow down and use extra caution to avoid
hydroplaning.

LAT...LON 3612 8049 3625 8061 3651 8014 3628 8003
      3626 8004 3626 8045 3624 8045 3622 8043
      3621 8045 3614 8044
TIME...MOT...LOC 0328Z 247DEG 24KT 3627 8043

WP

Special weather statement, Jun 3, 11:59 PM EDT, 1 hour 49 minutes before

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Special weather statement, Jun 4, 1:15 AM EDT, 33 minutes before

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Special weather statement, Jun 4, 1:48 AM 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
Jun 3, 11:26 PM EDT	Special Weather Statement	RNK	Botetourt, Craig	34 min
Jun 3, 11:59 PM EDT	Special Weather Statement	RNK	Botetourt, Rockbridge, City of Buena Vista, City of Lexington	31 min
Jun 4, 1:15 AM EDT	Special Weather Statement	RNK	Henry	30 min
Jun 4, 2:16 AM EDT	Special Weather Statement	RNK	City of Martinsville	29 min
Jun 4, 3:04 AM EDT	Special Weather Statement	RNK	City of Danville	26 min
Jun 3, 9:18 PM EDT	Special Weather Statement	RNK	Stokes	27 min
Jun 3, 9:56 PM EDT	Special Weather Statement	RNK	Rockingham	34 min
Jun 3, 11:28 PM EDT	Special Weather Statement	RNK	Stokes	32 min

Nearby

Special Weather Statements in Virginia, 2021 Special Weather Statements in North Carolina, 2021 Every special weather statement in 2021

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.