Alert archive / Virginia / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 270, NWS Blacksburg, VA

September 25, 20226 counties in Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Sep 25, 2022, 2:57 PM EDT for 6 counties in Virginia. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Sep 25, 2022, 2:57 PM EDT (18:57 UTC)
Expired: Sep 25, 2022, 3:30 PM EDT
In force: 33 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Appomattox County, VA, Bedford County, VA, Buckingham County, VA, Campbell County, VA, Charlotte County, VA, Pittsylvania County, VA

The radar

The Roanoke radar (KFCX), 115 km from the middle of the area, began a volume at 19:00 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, 7.0 hours before the alert went out and 44 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 910 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 164 m²/s²
0-3 km storm-relative helicity: 168 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Sep 24, 7:41 PM EDT, 19 hours 16 minutes earlier.

Area forecast discussion, Sep 24, 7:41 PM EDT, 19 hours 16 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
Sep 25, 12:41 PM EDT	Special Weather Statement	RNK	Bland, Giles, Roanoke, Tazewell	34 min
Sep 25, 1:16 PM EDT	Special Weather Statement	RNK	Bland, Giles, Montgomery, Tazewell, City of Radford	29 min
Sep 25, 1:31 PM EDT	Special Weather Statement	RNK	Craig	29 min
Sep 25, 1:59 PM EDT	Special Weather Statement	RNK	Montgomery, Pulaski, City of Radford	31 min
Sep 25, 2:14 PM EDT	Special Weather Statement	RNK	Rockbridge, City of Lexington	31 min
Sep 25, 2:15 PM EDT	Special Weather Statement	RNK	City of Salem	30 min
Sep 25, 2:30 PM EDT	Special Weather Statement	RNK	Campbell	30 min
Sep 25, 2:41 PM EDT	Special Weather Statement	RNK	Amherst, City of Buena Vista	34 min
Sep 25, 3:24 PM EDT	Severe Thunderstorm Warning	RNK	Appomattox, Campbell, Charlotte	33 min
Sep 25, 3:37 PM EDT	Special Weather Statement	RNK	Campbell	23 min
Sep 25, 3:50 PM EDT	Special Weather Statement	RNK	Pittsylvania	25 min
Sep 25, 4:13 PM EDT	Special Weather Statement	RNK	Pittsylvania	32 min
Sep 25, 4:20 PM EDT	Special Weather Statement	RNK	Henry, City of Martinsville	25 min
Sep 25, 4:45 PM EDT	Special Weather Statement	RNK	Pittsylvania, City of Martinsville	45 min
Sep 25, 4:56 PM EDT	Areal Flood Advisory	RNK	Henry, City of Martinsville	2 hr
Sep 25, 5:44 PM EDT	Special Weather Statement	RNK	Charlotte	46 min
Sep 25, 4:23 PM EDT	Special Weather Statement	RNK	Stokes, Surry	37 min
Sep 25, 4:28 PM EDT	Severe Thunderstorm Warning	RNK	Rockingham, Stokes, Surry	47 min
Sep 25, 5:08 PM EDT	Special Weather Statement	RNK	Caswell, Rockingham	52 min
Sep 25, 7:02 PM EDT	Special Weather Statement	RNK	Ashe	43 min
Sep 25, 7:14 PM EDT	Special Weather Statement	RNK	Watauga	31 min
Sep 25, 12:28 PM EDT	Special Weather Statement	RNK	Greenbrier	32 min
Sep 25, 12:54 PM EDT	Special Weather Statement	RNK	Greenbrier	36 min
Sep 25, 1:17 PM EDT	Special Weather Statement	RNK	Monroe	28 min
Sep 25, 1:44 PM EDT	Special Weather Statement	RNK	Monroe	16 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2022 Every severe thunderstorm warning in 2022

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.