Alert archive / Virginia / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 105, NWS Wakefield, VA

August 2, 2018Amelia County, Powhatan County, Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at Aug 2, 2018, 1:06 PM EDT for Amelia County, Powhatan County, Virginia. It was in force for 39 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 2, 2018, 1:06 PM EDT (17:06 UTC)
Expired: Aug 2, 2018, 1:45 PM EDT
In force: 39 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Amelia County, VA, Powhatan County, VA

The radar

The Norfolk radar (KAKQ), 97 km from the middle of the area, began a volume at 17:05 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, 5.1 hours before the alert went out and 140 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: 313 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 459 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: -54 m²/s²
0-3 km storm-relative helicity: 85 m²/s²
Significant tornado parameter: -0.1
Supercell composite: -0.7

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 Aug 1, 7:58 PM EDT, 17 hours 8 minutes earlier.

Area forecast discussion, Aug 1, 7:58 PM EDT, 17 hours 8 minutes before

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Hazardous weather outlook, Aug 1, 3:11 PM EDT, 21 hours 55 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 1, 8:26 PM EDT	Special Weather Statement	AKQ	Prince Edward	49 min
Aug 1, 8:50 PM EDT	Special Weather Statement	AKQ	Prince Edward	25 min
Aug 1, 9:18 PM EDT	Special Weather Statement	AKQ	Cumberland, Prince Edward	42 min
Aug 1, 9:58 PM EDT	Special Weather Statement	AKQ	Goochland, Louisa	47 min
Aug 1, 11:11 PM EDT	Special Weather Statement	AKQ	Cumberland, Fluvanna, Louisa	49 min
Aug 1, 11:57 PM EDT	Special Weather Statement	AKQ	Fluvanna, Goochland, Louisa	48 min
Aug 2, 12:20 AM EDT	Special Weather Statement	AKQ	Lunenburg, Prince Edward	40 min
Aug 2, 12:52 AM EDT	Special Weather Statement	AKQ	Amelia, Cumberland, Goochland, Lunenburg, Nottoway, Powhatan	38 min
Aug 2, 12:10 PM EDT	Special Weather Statement	AKQ	Amelia, Cumberland, Lunenburg, Mecklenburg, Nottoway, Prince Edward	50 min
Aug 2, 12:14 PM EDT	Special Weather Statement	AKQ	City of Chesapeake, City of Norfolk, City of Portsmouth, City of Virginia Beach	31 min
Aug 2, 12:53 PM EDT	Special Weather Statement	AKQ	Amelia, Goochland, Nottoway, Powhatan	52 min
Aug 2, 1:01 PM EDT	Special Marine Warning	AKQ		44 min
Aug 2, 1:23 PM EDT	Special Weather Statement	AKQ	Mathews, Northampton	52 min
Aug 2, 1:25 PM EDT	Special Weather Statement	AKQ	Mecklenburg	35 min
Aug 2, 1:45 PM EDT	Special Marine Warning	AKQ		26 min
Aug 2, 1:52 PM EDT	Special Weather Statement	AKQ	Charles City	53 min
Aug 2, 2:03 PM EDT	Special Weather Statement	AKQ	Chesterfield, Hanover, Henrico, City of Richmond	42 min
Aug 2, 2:06 PM EDT	Special Weather Statement	AKQ	Brunswick, Dinwiddie	39 min
Aug 2, 2:20 PM EDT	Special Weather Statement	AKQ	City of Suffolk	40 min
Aug 2, 2:42 PM EDT	Special Weather Statement	AKQ	Chesterfield, Hanover, Henrico, King William, City of Colonial Heights, City of Hopewell and 1 more	48 min
Aug 2, 2:45 PM EDT	Special Weather Statement	AKQ	Brunswick	45 min
Aug 2, 2:51 PM EDT	Areal Flood Advisory	AKQ	Amelia, Chesterfield, Dinwiddie, Hanover, Henrico, City of Richmond	3 hr
Aug 2, 3:25 PM EDT	Special Weather Statement	AKQ	Essex, Richmond, Westmoreland	50 min
Aug 2, 3:30 PM EDT	Special Weather Statement	AKQ	Charles City, Essex, Henrico, King and Queen, King William, New Kent and 2 more	45 min
Aug 2, 3:34 PM EDT	Special Weather Statement	AKQ	Brunswick, Dinwiddie	41 min
Aug 2, 4:01 PM EDT	Areal Flood Advisory	AKQ	Charles City, Chesterfield, Hanover, Henrico, New Kent, Prince George and 1 more	3 hr
Aug 2, 4:11 PM EDT	Areal Flood Advisory	AKQ	Brunswick	9 hr
Aug 2, 4:16 PM EDT	Special Weather Statement	AKQ	King and Queen, New Kent	44 min
Aug 2, 4:31 PM EDT	Special Weather Statement	AKQ	Brunswick, Greensville	44 min
Aug 2, 4:37 PM EDT	Special Weather Statement	AKQ	Mecklenburg	38 min
Aug 2, 4:56 PM EDT	Special Weather Statement	AKQ	City of Hampton, City of Norfolk, City of Portsmouth	49 min
Aug 2, 5:07 PM EDT	Special Weather Statement	AKQ	Brunswick, Dinwiddie, Greensville, Nottoway	38 min
Aug 2, 5:15 PM EDT	Severe Thunderstorm Warning	AKQ	Brunswick, Dinwiddie, Greensville, Lunenburg, Mecklenburg, Nottoway and 3 more	28 min
Aug 2, 5:21 PM EDT	Special Weather Statement	AKQ	Charles City, Prince George	39 min
Aug 2, 5:28 PM EDT	Special Marine Warning	AKQ		62 min
Aug 2, 5:45 PM EDT	Special Weather Statement	AKQ	Dinwiddie, Prince George, Surry, Sussex, City of Colonial Heights, City of Hopewell and 1 more	45 min
Aug 2, 6:00 PM EDT	Special Weather Statement	AKQ	Charles City, New Kent, Prince George	45 min
Aug 2, 6:26 PM EDT	Special Weather Statement	AKQ	Lancaster, Middlesex	49 min
Aug 2, 6:29 PM EDT	Special Weather Statement	AKQ	Isle of Wight, City of Hampton, City of Newport News, City of Suffolk	46 min
Aug 2, 6:41 PM EDT	Special Weather Statement	AKQ	Fluvanna, Louisa	49 min
Aug 2, 6:56 PM EDT	Special Weather Statement	AKQ	Gloucester, Middlesex	49 min
Aug 2, 7:08 PM EDT	Special Weather Statement	AKQ	York, City of Hampton, City of Newport News, City of Poquoson	37 min
Aug 2, 7:13 PM EDT	Special Marine Warning	AKQ		62 min
Aug 2, 11:29 AM EDT	Special Weather Statement	AKQ	Worcester	31 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2018 Every severe thunderstorm warning in 2018

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.