Alert archive / Virginia / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 55, NWS Blacksburg, VA

May 22, 2022Appomattox County, Buckingham County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at May 22, 2022, 4:25 PM EDT for Appomattox County, Buckingham County, Virginia. It was in force for 50 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: May 22, 2022, 4:25 PM EDT (20:25 UTC)
Expired: May 22, 2022, 5:15 PM EDT
In force: 50 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Appomattox County, VA, Buckingham County, VA

The radar

The Roanoke radar (KFCX), 150 km from the middle of the area, began a volume at 20:25 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 12:00Z, 8.4 hours before the alert went out and 190 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: 698 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 651 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -32 m²/s²
0-3 km storm-relative helicity: -40 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 May 22, 3:26 PM EDT, 59 minutes earlier.

Area forecast discussion, May 22, 3:26 PM EDT, 59 minutes before

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Hazardous weather outlook, May 22, 4:18 AM EDT, 12 hours 7 minutes before

Hazardous Weather Outlook
National Weather Service Blacksburg VA
418 AM EDT Sun May 22 2022

NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059-
WVZ042>044-507-508-230830-
Ashe-Alleghany NC-Surry-Stokes-Rockingham-Caswell-Watauga-Wilkes-
Yadkin-Tazewell-Smyth-Bland-Giles-Wythe-Pulaski-Montgomery-Grayson-
Carroll-Floyd-Craig-Alleghany VA-Bath-Roanoke-Botetourt-Rockbridge-
Patrick-Franklin-Bedford-Amherst-Henry-Pittsylvania-Campbell-
Appomattox-Buckingham-Halifax-Charlotte-Mercer-Summers-Monroe-
Eastern Greenbrier-Western Greenbrier-
418 AM EDT Sun May 22 2022

This Hazardous Weather Outlook is for north central North Carolina,
northwest North Carolina, central Virginia, south central Virginia,
southwest Virginia, west central Virginia and southeast West
Virginia.

.DAY ONE...Today and tonight.

Thunderstorms this afternoon and evening could become strong to
severe. Isolated damaging winds will be the main threat. Heavy
rainfall could also lead to localized flooding.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

There is a low probability for widespread hazardous weather.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, May 22, 3:26 PM EDT, 59 minutes before

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Special weather statement, May 22, 3:45 PM EDT, 40 minutes before

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Special weather statement, May 22, 3:47 PM EDT, 38 minutes before

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Special weather statement, May 22, 4:00 PM EDT, 25 minutes before

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Special weather statement, May 22, 4:03 PM EDT, 22 minutes before

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Special weather statement, May 22, 4:20 PM EDT, 5 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
May 21, 8:06 PM EDT	Areal Flood Advisory	RNK	Bedford, Botetourt, Floyd, Franklin, Montgomery, Roanoke and 2 more	3 hr
May 21, 8:20 PM EDT	Special Weather Statement	RNK	Botetourt	25 min
May 21, 8:45 PM EDT	Special Weather Statement	RNK	Amherst	30 min
May 21, 8:54 PM EDT	Special Weather Statement	RNK	Bath	51 min
May 22, 1:10 PM EDT	Special Weather Statement	RNK	City of Galax	35 min
May 22, 1:55 PM EDT	Special Weather Statement	RNK	Floyd	35 min
May 22, 2:16 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Floyd, Patrick, Pulaski, Wythe	39 min
May 22, 2:29 PM EDT	Special Weather Statement	RNK	Giles	31 min
May 22, 2:43 PM EDT	Special Weather Statement	RNK	Franklin	32 min
May 22, 2:54 PM EDT	Special Weather Statement	RNK	City of Galax	36 min
May 22, 3:02 PM EDT	Special Weather Statement	RNK	Giles	28 min
May 22, 3:05 PM EDT	Special Weather Statement	RNK	Floyd	25 min
May 22, 3:17 PM EDT	Special Weather Statement	RNK	Franklin	28 min
May 22, 3:20 PM EDT	Special Weather Statement	RNK	Botetourt, Craig, Montgomery, Roanoke, City of Salem	25 min
May 22, 3:26 PM EDT	Special Weather Statement	RNK	Campbell	34 min
May 22, 3:45 PM EDT	Special Weather Statement	RNK	Roanoke, City of Roanoke, City of Salem	30 min
May 22, 3:47 PM EDT	Special Weather Statement	RNK	Franklin	28 min
May 22, 4:00 PM EDT	Special Weather Statement	RNK	Campbell	30 min
May 22, 4:03 PM EDT	Special Weather Statement	RNK	Appomattox	27 min
May 22, 4:20 PM EDT	Special Weather Statement	RNK	Bedford	25 min
May 22, 4:39 PM EDT	Areal Flood Advisory	RNK	Bedford, Campbell	2 hr
May 22, 4:46 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Bedford, Campbell, City of Lynchburg	44 min
May 22, 5:01 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Rockbridge	44 min
May 22, 5:15 PM EDT	Special Weather Statement	RNK	Franklin	30 min
May 22, 5:48 PM EDT	Special Weather Statement	RNK	Charlotte	27 min
May 22, 5:50 PM EDT	Special Weather Statement	RNK	Pittsylvania	25 min
May 21, 8:28 PM EDT	Special Weather Statement	RNK	Wilkes	32 min
May 22, 2:07 PM EDT	Special Weather Statement	RNK	Alleghany	38 min
May 22, 2:49 PM EDT	Special Weather Statement	RNK	Alleghany	26 min
May 22, 2:50 PM EDT	Areal Flood Advisory	RNK	Ashe	3 hr
May 22, 3:04 PM EDT	Flash Flood Warning	RNK	Ashe	2 hr
May 22, 3:12 PM EDT	Special Weather Statement	RNK	Watauga	33 min
May 22, 6:01 PM EDT	Special Weather Statement	RNK	Stokes	29 min
May 22, 7:13 PM EDT	Special Weather Statement	RNK	Caswell	32 min
May 22, 1:33 PM EDT	Special Weather Statement	RNK	Mercer	27 min
May 22, 2:02 PM EDT	Special Weather Statement	RNK	Mercer, Summers	28 min
May 22, 2:11 PM EDT	Special Weather Statement	RNK	Greenbrier	34 min
May 22, 2:46 PM EDT	Special Weather Statement	RNK	Greenbrier	29 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.