Alert archive / Virginia / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 76, NWS Blacksburg, VA

June 30, 20245 counties in Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Jun 30, 2024, 4:37 PM EDT for 5 counties in Virginia. It was in force for 68 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: Jun 30, 2024, 4:37 PM EDT (20:37 UTC)
Expired: Jun 30, 2024, 5:45 PM EDT
In force: 68 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Bedford County, VA, City of Danville, VA, Franklin County, VA, Henry County, VA, Pittsylvania County, VA

The radar

The Roanoke radar (KFCX), 59 km from the middle of the area, began a volume at 20:40 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, 8.6 hours before the alert went out and 302 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: 958 J/kg
Mixed-layer CIN: -163 J/kg
Mixed-layer LCL: 1517 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 20 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Jun 30, 3:51 PM EDT, 46 minutes earlier.

Area forecast discussion, Jun 30, 3:51 PM EDT, 46 minutes before

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Hazardous weather outlook, Jun 30, 2:35 PM EDT, 2 hours 2 minutes before

Hazardous Weather Outlook
National Weather Service Blacksburg VA
235 PM EDT Sun Jun 30 2024

NCZ001-002-018-019-VAZ007-009>020-022>024-WVZ042>044-507-508-011845-
Ashe-Alleghany NC-Watauga-Wilkes-Tazewell-Smyth-Bland-Giles-Wythe-
Pulaski-Montgomery-Grayson-Carroll-Floyd-Craig-Alleghany VA-Bath-
Roanoke-Botetourt-Rockbridge-Mercer-Summers-Monroe-
Eastern Greenbrier-Western Greenbrier-
235 PM EDT Sun Jun 30 2024

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

.DAY ONE...This afternoon and tonight.

Scattered to numerous thunderstorms can be expected this afternoon.
A few may become strong to severe, with damaging wind gusts the
main threat.

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

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

NCZ003>006-020-VAZ032>035-043>047-058-059-011845-
Surry-Stokes-Rockingham-Caswell-Yadkin-Patrick-Franklin-Bedford-
Amherst-Henry-Pittsylvania-Campbell-Appomattox-Buckingham-Halifax-
Charlotte-
235 PM EDT Sun Jun 30 2024

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

.DAY ONE...This afternoon and tonight.

Scattered to numerous thunderstorms are expected this afternoon into
early evening. Some may bring damaging winds.

In addition, heat indices may reach around 100 degrees this
afternoon.

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

Another round of hotter than normal temperatures returns by
Independence Day into the holiday weekend. Heat indices could
reach in excess of 100 degrees.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Jun 30, 3:22 PM EDT, 1 hour 15 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
322 PM EDT Sun Jun 30 2024

VAZ007-009-015-301945-
Tazewell VA-Grayson VA-Smyth VA-
322 PM EDT Sun Jun 30 2024

...A STRONG THUNDERSTORM WILL IMPACT CENTRAL SMYTH...SOUTH CENTRAL
TAZEWELL AND WEST CENTRAL GRAYSON COUNTIES THROUGH 345 PM EDT...

At 321 PM EDT, Doppler radar was tracking a strong thunderstorm over
Quarry, or near Saltville, moving southeast at 30 mph.

HAZARD...Wind gusts up to 40 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Marion...
Saltville...
Chilhowie...
Whitetop...
Sugar Grove...
Troutdale...
and Broadford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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 3695 8182 3696 8178 3699 8179 3705 8170
      3667 8132 3658 8161 3659 8168 3660 8167
      3661 8165 3662 8162 3664 8161 3664 8162
      3679 8170 3693 8183
TIME...MOT...LOC 1921Z 312DEG 26KT 3686 8170

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH

AS

Local storm report, Jun 30, 3:35 PM EDT, 1 hour 2 minutes before

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Special weather statement, Jun 30, 3:44 PM EDT, 53 minutes before

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Special weather statement, Jun 30, 3:47 PM EDT, 50 minutes before

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Special weather statement, Jun 30, 4:05 PM EDT, 32 minutes before

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Special weather statement, Jun 30, 4:17 PM EDT, 20 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 30, 2:38 PM EDT	Special Weather Statement	RNK	Halifax	37 min
Jun 30, 2:55 PM EDT	Special Weather Statement	RNK	Tazewell	35 min
Jun 30, 3:04 PM EDT	Severe Thunderstorm Warning	RNK	Bland, Grayson, Smyth, Tazewell, Wythe	56 min
Jun 30, 3:22 PM EDT	Special Weather Statement	RNK	Smyth	23 min
Jun 30, 3:28 PM EDT	Severe Thunderstorm Warning	RNK	Grayson, Smyth, Tazewell	62 min
Jun 30, 3:44 PM EDT	Special Weather Statement	RNK	Franklin	31 min
Jun 30, 4:17 PM EDT	Special Weather Statement	RNK	Franklin	28 min
Jun 30, 5:12 PM EDT	Special Weather Statement	RNK	Henry	33 min
Jun 30, 5:38 PM EDT	Severe Thunderstorm Warning	RNK	Bland, Tazewell	37 min
Jun 30, 5:45 PM EDT	Severe Thunderstorm Warning	RNK	Halifax, Henry, Pittsylvania, City of Danville	60 min
Jun 30, 6:12 PM EDT	Special Weather Statement	RNK	Pulaski	33 min
Jun 30, 6:30 PM EDT	Special Weather Statement	RNK	Pulaski	30 min
Jun 30, 6:45 PM EDT	Special Weather Statement	RNK	City of Martinsville	30 min
Jun 30, 6:52 PM EDT	Special Weather Statement	RNK	Appomattox	23 min
Jun 30, 6:56 PM EDT	Special Weather Statement	RNK	Pittsylvania	34 min
Jun 30, 7:29 PM EDT	Special Weather Statement	RNK	Charlotte	31 min
Jun 30, 7:59 PM EDT	Special Weather Statement	RNK	Charlotte	31 min
Jun 30, 5:51 AM EDT	Special Weather Statement	RNK	Watauga	24 min
Jun 30, 1:11 PM EDT	Special Weather Statement	RNK	Stokes	34 min
Jun 30, 3:47 PM EDT	Special Weather Statement	RNK	Rockingham	28 min
Jun 30, 4:05 PM EDT	Special Weather Statement	RNK	Person	25 min
Jun 30, 5:02 PM EDT	Special Weather Statement	RNK	Mercer	28 min
Jun 30, 5:29 PM EDT	Special Weather Statement	RNK	Mercer	31 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2024 Every severe thunderstorm warning in 2024

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.