Alert archive / Virginia / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 33, NWS Wakefield, VA

May 10, 20189 counties in Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at May 10, 2018, 4:56 PM EDT for 9 counties in 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 10, 2018, 4:56 PM EDT (20:56 UTC)
Expired: May 10, 2018, 6:00 PM EDT
In force: 64 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Amelia County, VA, Charles City County, VA, Chesterfield County, VA, City of Colonial Heights, VA, City of Hopewell, VA, City of Petersburg, VA, Dinwiddie County, VA, Henrico County, VA, Prince George County, VA

The radar

The Norfolk radar (KAKQ), 50 km from the middle of the area, began a volume at 20:57 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 10, 1:14 PM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 8.9 hours before the alert went out and 183 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1342 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 206 m²/s²
0-3 km storm-relative helicity: 190 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 Wakefield, VA wrote its last area forecast discussion before this severe thunderstorm warning went out at May 10, 4:37 PM EDT, 19 minutes earlier.

Area forecast discussion, May 10, 4:37 PM EDT, 19 minutes before

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Hazardous weather outlook, May 10, 4:41 PM EDT, 15 minutes before

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In the hours before

Special weather statement, May 10, 3:15 PM EDT, 1 hour 41 minutes before

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Local storm report, May 10, 3:41 PM EDT, 1 hour 15 minutes before

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Special weather statement, May 10, 4:03 PM EDT, 53 minutes before

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Local storm report, May 10, 4:46 PM EDT, 10 minutes before

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Special weather statement, May 10, 4:54 PM EDT, 2 minutes before

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Local storm report, May 10, 4:55 PM EDT, 1 minute 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 9, 9:40 PM EDT	Marine Dense Fog Advisory	AKQ		10 hr
May 9, 11:54 PM EDT	Dense Fog Advisory	AKQ	Accomack, Greensville, James City, Northampton, Southampton, Surry and 10 more	6 hr
May 10, 2:17 PM EDT	Special Weather Statement	AKQ	Louisa	43 min
May 10, 2:22 PM EDT	Severe Thunderstorm Warning	AKQ	Fluvanna, Louisa	38 min
May 10, 2:57 PM EDT	Severe Thunderstorm Warning	AKQ	Fluvanna, Goochland, Louisa	48 min
May 10, 3:15 PM EDT	Special Weather Statement	AKQ	Fluvanna	45 min
May 10, 3:26 PM EDT	Severe Thunderstorm Warning	AKQ	Cumberland, Fluvanna, Goochland	49 min
May 10, 3:30 PM EDT	Severe Thunderstorm Warning	AKQ	Caroline, Hanover	45 min
May 10, 3:49 PM EDT	Severe Thunderstorm Warning	AKQ	Cumberland, Goochland, Hanover, Louisa, Powhatan	41 min
May 10, 4:03 PM EDT	Special Weather Statement	AKQ	Amelia, Nottoway, Prince Edward	42 min
May 10, 4:13 PM EDT	Severe Thunderstorm Warning	AKQ	Caroline, Essex, Hanover, King and Queen, King William, Richmond	47 min
May 10, 4:15 PM EDT	Severe Thunderstorm Warning	AKQ	Caroline, Chesterfield, Hanover, Henrico, King William, City of Richmond	45 min
May 10, 4:19 PM EDT	Severe Thunderstorm Warning	AKQ	Amelia, Chesterfield, Powhatan	41 min
May 10, 4:49 PM EDT	Severe Thunderstorm Warning	AKQ	Charles City, Hanover, Henrico, King and Queen, King William, New Kent	41 min
May 10, 4:54 PM EDT	Special Weather Statement	AKQ	Brunswick, Lunenburg, Mecklenburg, Nottoway, Prince Edward	51 min
May 10, 4:55 PM EDT	Special Marine Warning	AKQ		65 min
May 10, 4:55 PM EDT	Severe Thunderstorm Warning	AKQ	Essex, King and Queen, Lancaster, Middlesex, Northumberland, Richmond	40 min
May 10, 5:06 PM EDT	Special Marine Warning	AKQ		84 min
May 10, 5:17 PM EDT	Special Marine Warning	AKQ		118 min
May 10, 5:19 PM EDT	Severe Thunderstorm Warning	AKQ	Charles City, Essex, Gloucester, James City, King and Queen, King William and 4 more	41 min
May 10, 5:35 PM EDT	Severe Thunderstorm Warning	AKQ	Brunswick, Mecklenburg	40 min
May 10, 5:39 PM EDT	Special Weather Statement	AKQ	Dinwiddie	36 min
May 10, 5:43 PM EDT	Severe Thunderstorm Warning	AKQ	Brunswick, Dinwiddie, Greensville, Prince George, Sussex	32 min
May 10, 5:43 PM EDT	Severe Thunderstorm Warning	AKQ	Gloucester, Lancaster, Mathews, Middlesex, Northumberland	47 min
May 10, 5:58 PM EDT	Special Weather Statement	AKQ	Charles City, Prince George, City of Hopewell, City of Petersburg	32 min
May 10, 5:59 PM EDT	Special Marine Warning	AKQ		2 hr
May 10, 6:08 PM EDT	Severe Thunderstorm Warning	AKQ	Isle of Wight, Prince George, Southampton, Surry, Sussex	52 min
May 10, 6:11 PM EDT	Special Weather Statement	AKQ	Greensville, City of Emporia	49 min
May 10, 6:22 PM EDT	Special Weather Statement	AKQ	Accomack	53 min
May 10, 6:31 PM EDT	Special Marine Warning	AKQ		89 min
May 10, 6:34 PM EDT	Special Marine Warning	AKQ		41 min
May 10, 6:39 PM EDT	Special Marine Warning	AKQ		96 min
May 10, 6:44 PM EDT	Special Weather Statement	AKQ	Isle of Wight, James City, Surry, York, City of Hampton, City of Newport News and 4 more	46 min
May 10, 7:01 PM EDT	Special Weather Statement	AKQ	Southampton, City of Franklin	59 min
May 10, 7:35 PM EDT	Special Weather Statement	AKQ	Northampton	10 min
May 10, 7:39 PM EDT	Special Weather Statement	AKQ	City of Chesapeake, City of Suffolk	51 min
May 10, 7:45 PM EDT	Special Marine Warning	AKQ		2 hr

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.