Alert archive / Virginia / Special Weather Statements in 2021

Special Weather Statement, NWS Blacksburg, VA

June 3, 2021Rockbridge County, Virginia

NWS Blacksburg, VA issued this special weather statement at Jun 3, 2021, 2:24 PM EDT for Rockbridge County, Virginia. It was in force for 21 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 3, 2021, 2:24 PM EDT (18:24 UTC)
Expired: Jun 3, 2021, 2:45 PM EDT
In force: 21 min
Issued by: NWS Blacksburg, VA

County Rockbridge County, VA

The radar

The Roanoke radar (KFCX), 132 km from the middle of the area, began a volume at 18:27 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 12:00Z, 6.4 hours before the alert went out and 206 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: 73 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 511 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 116 m²/s²
0-3 km storm-relative helicity: 118 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 3, 7:02 AM EDT, 7 hours 22 minutes earlier.

Area forecast discussion, Jun 3, 7:02 AM EDT, 7 hours 22 minutes before

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Hazardous weather outlook, Jun 3, 4:04 AM EDT, 10 hours 20 minutes before

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In the hours before

Special weather statement, Jun 3, 2:24 PM EDT, 0 minutes before

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

VAZ024-031845-
Rockbridge-
224 PM EDT Thu Jun 3 2021

...A STRONG THUNDERSTORM WILL AFFECT
NORTHEASTERN ROCKBRIDGE COUNTY...

At 223 PM EDT, a strong thunderstorm was located near Bells Valley,
or near Goshen, moving northeast at 45 mph.

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

Locations impacted include...
Goshen...
Rockbridge Baths...
Bells Valley...
and Brownsburg.

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 3801 7936 3795 7924 3786 7946 3802 7953
      3803 7951 3804 7952 3805 7952 3808 7947
TIME...MOT...LOC 1823Z 239DEG 40KT 3802 7939

RR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 3, 3:46 PM EDT	Special Weather Statement	RNK	Amherst	29 min
Jun 3, 5:01 PM EDT	Special Weather Statement	RNK	Campbell	29 min
Jun 3, 5:21 PM EDT	Special Weather Statement	RNK	Henry, Pittsylvania, City of Martinsville	39 min
Jun 3, 5:54 PM EDT	Special Weather Statement	RNK	Buckingham	36 min
Jun 3, 5:56 PM EDT	Special Weather Statement	RNK	Pittsylvania	49 min
Jun 3, 6:05 PM EDT	Special Weather Statement	RNK	City of Danville	25 min
Jun 3, 6:08 PM EDT	Severe Thunderstorm Warning	RNK	Campbell, Charlotte, Halifax, Henry, Pittsylvania, City of Danville	67 min
Jun 3, 6:17 PM EDT	Special Weather Statement	RNK	Buckingham	28 min
Jun 3, 6:19 PM EDT	Special Weather Statement	RNK	Appomattox	26 min
Jun 3, 6:28 PM EDT	Special Weather Statement	RNK	Buckingham	32 min
Jun 3, 6:56 PM EDT	Special Weather Statement	RNK	Appomattox	49 min
Jun 3, 3:21 PM EDT	Special Weather Statement	RNK	Wilkes	24 min
Jun 3, 3:59 PM EDT	Special Weather Statement	RNK	Stokes	31 min
Jun 3, 4:28 PM EDT	Special Weather Statement	RNK	Stokes	32 min

Nearby

Special Weather Statements in Virginia, 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.