Alert archive / West Virginia / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 54, NWS Blacksburg, VA

May 19, 2019Greenbrier County, Monroe County, Summers County, West Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at May 19, 2019, 7:26 PM EDT for Greenbrier County, Monroe County, Summers County, West Virginia. It was in force for 64 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 19, 2019, 7:26 PM EDT (23:26 UTC)
Expired: May 19, 2019, 8:30 PM EDT
In force: 64 min
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Greenbrier County, WV, Monroe County, WV, Summers County, WV

The radar

The Roanoke radar (KFCX), 83 km from the middle of the area, began a volume at 23:28 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, 11.4 hours before the alert went out and 115 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: 430 J/kg
Mixed-layer CIN: -66 J/kg
Mixed-layer LCL: 1111 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 71 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 19, 3:57 PM EDT, 3 hours 29 minutes earlier.

Area forecast discussion, May 19, 3:57 PM EDT, 3 hours 29 minutes before

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Hazardous weather outlook, May 19, 3:12 PM EDT, 4 hours 14 minutes before

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In the hours before

Local storm report, May 19, 3:01 PM EDT, 4 hours 25 minutes before

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Special weather statement, May 19, 3:18 PM EDT, 4 hours 8 minutes before

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Special weather statement, May 19, 4:10 PM EDT, 3 hours 16 minutes before

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Special weather statement, May 19, 5:08 PM EDT, 2 hours 18 minutes before

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Special weather statement, May 19, 6:39 PM EDT, 47 minutes before

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Special weather statement, May 19, 7:13 PM EDT, 13 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 18, 9:54 PM EDT	Special Weather Statement	RNK	Bland	36 min
May 18, 11:06 PM EDT	Special Weather Statement	RNK	Buckingham	39 min
May 19, 12:39 PM EDT	Special Weather Statement	RNK	Bland, Smyth	51 min
May 19, 12:42 PM EDT	Special Weather Statement	RNK	Bland, Smyth	48 min
May 19, 1:26 PM EDT	Special Weather Statement	RNK	Botetourt	49 min
May 19, 1:34 PM EDT	Special Weather Statement	RNK	Bland, Smyth	56 min
May 19, 1:38 PM EDT	Severe Thunderstorm Warning	RNK	Botetourt, Rockbridge, City of Buena Vista, City of Lexington	41 min
May 19, 2:07 PM EDT	Special Weather Statement	RNK	City of Galax	53 min
May 19, 2:55 PM EDT	Special Weather Statement	RNK	Bland	35 min
May 19, 5:08 PM EDT	Special Weather Statement	RNK	Tazewell	37 min
May 19, 1:14 PM EDT	Severe Thunderstorm Warning	RNK	Greenbrier	46 min
May 19, 2:05 PM EDT	Special Weather Statement	RNK	Greenbrier	55 min
May 19, 3:18 PM EDT	Special Weather Statement	RNK	Mercer	42 min
May 19, 4:10 PM EDT	Special Weather Statement	RNK	Greenbrier	50 min
May 19, 6:39 PM EDT	Special Weather Statement	RNK	Mercer	36 min
May 19, 7:13 PM EDT	Special Weather Statement	RNK	Summers	32 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 2019 Every severe thunderstorm warning in 2019

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.