Alert archive / West Virginia / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 128, NWS Blacksburg, VA

August 29, 2024Greenbrier County, Summers County, West Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at Aug 29, 2024, 1:18 PM EDT for Greenbrier County, Summers County, West Virginia. It was in force for 25 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: Aug 29, 2024, 1:18 PM EDT (17:18 UTC)
Expired: Aug 29, 2024, 1:43 PM EDT
In force: 25 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Greenbrier County, WV, Summers County, WV

The radar

The Roanoke radar (KFCX), 93 km from the middle of the area, began a volume at 17:17 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, 5.3 hours before the alert went out and 122 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: 882 J/kg
Mixed-layer CIN: -71 J/kg
Mixed-layer LCL: 1275 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: 19 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 Aug 29, 6:44 AM EDT, 6 hours 34 minutes earlier.

Area forecast discussion, Aug 29, 6:44 AM EDT, 6 hours 34 minutes before

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Hazardous weather outlook, Aug 29, 4:37 AM EDT, 8 hours 41 minutes before

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In the hours before

Special weather statement, Aug 29, 12:46 PM EDT, 32 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
1246 PM EDT Thu Aug 29 2024

WVZ043-508-291730-
Western Greenbrier WV-Summers WV-
1246 PM EDT Thu Aug 29 2024

...A STRONG THUNDERSTORM WILL IMPACT
SOUTHWESTERN GREENBRIER AND NORTHEASTERN SUMMERS COUNTIES THROUGH 130
PM EDT...

At 1246 PM EDT, Doppler radar was tracking a strong thunderstorm over
Lawn, or 7 miles south of Rupert, moving northeast at 5 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...
Rupert...
Lawn...
Williamsburg...
Elton...
Meadow Bluff...
and Anjean.

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.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3797 8049 3787 8059 3778 8073 3783 8088
      3785 8086 3787 8081 3787 8075 3793 8079
      3806 8068
TIME...MOT...LOC 1646Z 206DEG 5KT 3787 8073

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

RAB

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 29, 12:02 PM EDT	Flood Watch	RNK	Amherst, Appomattox, Bath, Buckingham, Rockbridge, City of Buena Vista and 1 more	12 hr
Aug 29, 1:35 PM EDT	Special Weather Statement	RNK	Craig	25 min
Aug 29, 1:40 PM EDT	Special Weather Statement	RNK	Patrick	35 min
Aug 29, 2:17 PM EDT	Special Weather Statement	RNK	Alleghany	28 min
Aug 29, 3:02 PM EDT	Special Weather Statement	RNK	Alleghany	28 min
Aug 29, 3:28 PM EDT	Special Weather Statement	RNK	Alleghany	32 min
Aug 29, 3:50 PM EDT	Special Weather Statement	RNK	Botetourt	25 min
Aug 29, 3:56 PM EDT	Severe Thunderstorm Warning	RNK	Botetourt, Craig	29 min
Aug 29, 4:12 PM EDT	Special Weather Statement	RNK	Roanoke	33 min
Aug 29, 5:07 PM EDT	Special Weather Statement	RNK	Pulaski, City of Radford	23 min
Aug 29, 5:12 PM EDT	Special Weather Statement	RNK	Smyth	33 min
Aug 29, 5:14 PM EDT	Special Weather Statement	RNK	City of Covington	31 min
Aug 29, 5:18 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, Botetourt, Rockbridge	57 min
Aug 29, 5:19 PM EDT	Severe Thunderstorm Warning	RNK	Grayson, Smyth	56 min
Aug 29, 5:27 PM EDT	Areal Flood Advisory	RNK	Montgomery	2 hr
Aug 29, 5:31 PM EDT	Special Weather Statement	RNK	City of Radford	29 min
Aug 29, 5:41 PM EDT	Special Weather Statement	RNK	Smyth	34 min
Aug 29, 5:48 PM EDT	Special Weather Statement	RNK	Buckingham	27 min
Aug 29, 5:59 PM EDT	Severe Thunderstorm Warning	RNK	Botetourt, Rockbridge	61 min
Aug 29, 6:02 PM EDT	Special Weather Statement	RNK	Grayson	28 min
Aug 29, 6:03 PM EDT	Flash Flood Warning	RNK	Alleghany, Botetourt, Rockbridge	3 hr
Aug 29, 6:10 PM EDT	Special Weather Statement	RNK	Pulaski	35 min
Aug 29, 6:34 PM EDT	Severe Thunderstorm Warning	RNK	Grayson	56 min
Aug 29, 6:56 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Bedford, Rockbridge, City of Buena Vista, City of Lexington	64 min
Aug 29, 7:00 PM EDT	Special Weather Statement	RNK	Franklin	30 min
Aug 29, 7:02 PM EDT	Special Weather Statement	RNK	Buckingham	28 min
Aug 29, 7:06 PM EDT	Special Weather Statement	RNK	Pulaski	24 min
Aug 29, 7:10 PM EDT	Severe Thunderstorm Warning	RNK	Franklin, Roanoke	40 min
Aug 29, 7:21 PM EDT	Severe Thunderstorm Warning	RNK	Carroll, Pulaski, Wythe	54 min
Aug 29, 7:23 PM EDT	Areal Flood Advisory	RNK	Pulaski, Wythe	18 min
Aug 29, 7:40 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Franklin	65 min
Aug 29, 7:41 PM EDT	Flash Flood Warning	RNK	Pulaski, Wythe	3 hr
Aug 29, 7:48 PM EDT	Special Weather Statement	RNK	Amherst	42 min
Aug 29, 6:00 PM EDT	Severe Thunderstorm Warning	RNK	Ashe	60 min
Aug 29, 6:24 PM EDT	Areal Flood Advisory	RNK	Ashe	2 hr
Aug 29, 12:46 PM EDT	Special Weather Statement	RNK	Greenbrier	44 min
Aug 29, 2:37 PM EDT	Flash Flood Warning	RNK	Greenbrier	4 hr
Aug 29, 3:33 PM EDT	Areal Flood Advisory	RNK	Greenbrier	117 min

Nearby

Severe Thunderstorm Warnings in West 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.