Alert archive / Virginia / Special Weather Statements in 2021

Special Weather Statement, NWS Blacksburg, VA

August 22, 2021Charlotte County, Virginia

NWS Blacksburg, VA issued this special weather statement at Aug 22, 2021, 1:34 PM EDT for Charlotte County, Virginia. It was in force for 26 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 22, 2021, 1:34 PM EDT (17:34 UTC)
Expired: Aug 22, 2021, 2:00 PM EDT
In force: 26 min
Issued by: NWS Blacksburg, VA
Hail: 0.00 in
Wind: 30

County Charlotte County, VA

The radar

The Roanoke radar (KFCX), 122 km from the middle of the area, began a volume at 17:34 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, 5.6 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: 192 J/kg
Mixed-layer CIN: -115 J/kg
Mixed-layer LCL: 1093 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 45 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 22, 1:25 PM EDT, 9 minutes earlier.

Area forecast discussion, Aug 22, 1:25 PM EDT, 9 minutes before

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Hazardous weather outlook, Aug 22, 3:39 AM EDT, 9 hours 55 minutes before

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In the hours before

Special weather statement, Aug 22, 1:34 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 21, 8:36 PM EDT	Special Weather Statement	RNK	Rockbridge	24 min
Aug 21, 9:37 PM EDT	Special Weather Statement	RNK	Giles	38 min
Aug 21, 10:19 PM EDT	Special Weather Statement	RNK	Giles	41 min
Aug 21, 11:12 PM EDT	Special Weather Statement	RNK	Pulaski, City of Radford	33 min
Aug 21, 11:44 PM EDT	Special Weather Statement	RNK	Carroll, Floyd, Pulaski, City of Radford	46 min
Aug 21, 11:55 PM EDT	Areal Flood Advisory	RNK	Carroll, Floyd, Montgomery, Pulaski	2 hr
Aug 22, 12:31 AM EDT	Special Weather Statement	RNK	Floyd	44 min
Aug 22, 1:42 PM EDT	Special Weather Statement	RNK	Charlotte	18 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.