Alert archive / Virginia / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 79, NWS Wakefield, VA

May 26, 2019Accomack County, Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at May 26, 2019, 10:52 PM EDT for Accomack County, Virginia. It was in force for 38 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 26, 2019, 10:52 PM EDT (02:52 UTC)
Expired: May 26, 2019, 11:30 PM EDT
In force: 38 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Accomack County, VA

The radar

The Dover AFB radar (KDOX), 121 km from the middle of the area, began a volume at 02:53 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 00:00Z, 2.9 hours before the alert went out and 195 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: 1426 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 1326 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.2

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 Wakefield, VA wrote its last area forecast discussion before this severe thunderstorm warning went out at May 26, 7:34 PM EDT, 3 hours 18 minutes earlier.

Area forecast discussion, May 26, 7:34 PM EDT, 3 hours 18 minutes before

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Hazardous weather outlook, May 26, 12:34 PM EDT, 10 hours 18 minutes before

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In the hours before

Special weather statement, May 26, 5:59 PM EDT, 4 hours 53 minutes before

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Local storm report, May 26, 6:16 PM EDT, 4 hours 36 minutes before

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Special weather statement, May 26, 6:22 PM EDT, 4 hours 30 minutes before

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Local storm report, May 26, 6:26 PM EDT, 4 hours 26 minutes before

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Local storm report, May 26, 6:43 PM EDT, 4 hours 9 minutes before

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Local storm report, May 26, 7:48 PM EDT, 3 hours 4 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 10:33 PM EDT	Special Weather Statement	AKQ	Louisa	42 min
May 26, 10:38 PM EDT	Special Weather Statement	AKQ	Accomack	52 min
May 26, 10:50 PM EDT	Special Marine Warning	AKQ		40 min
May 26, 11:43 PM EDT	Special Weather Statement	AKQ	Caroline	47 min
May 27, 12:45 AM EDT	Special Marine Warning	AKQ		60 min
May 27, 1:19 AM EDT	Special Weather Statement	AKQ	Accomack	41 min
May 27, 1:45 AM EDT	Special Marine Warning	AKQ		75 min
May 27, 4:16 PM EDT	Special Weather Statement	AKQ	Fluvanna	44 min
May 26, 10:44 PM EDT	Special Weather Statement	AKQ	Saint Mary's	31 min
May 27, 12:05 AM EDT	Special Weather Statement	AKQ	Worcester	70 min

Nearby

Severe Thunderstorm Warnings in 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.