Alert archive / Virginia / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 67, NWS Wakefield, VA

July 11, 1990Essex County, Richmond County, Westmoreland County, Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at Jul 11, 1990, 6:13 PM EDT for Essex County, Richmond County, Westmoreland County, Virginia. It was in force for 62 min. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jul 11, 1990, 6:13 PM EDT (22:13 UTC)
Expired: Jul 11, 1990, 7:15 PM EDT
In force: 62 min
Issued by: NWS Wakefield, VA
Area: Whole counties

Counties Essex County, VA, Richmond County, VA, Westmoreland County, VA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

Time	Report	Where
Jul 11, 6:20 PM EDT	Hail 1.5	Richmond, VA
Jul 11, 6:35 PM EDT	Hail 1.5	Westmoreland, VA
Jul 11, 7:08 PM EDT	Hail 1	Essex, VA

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 10.2 hours before the alert went out and 117 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: 1194 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 77 m²/s²
0-3 km storm-relative helicity: 164 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, Jul 11, 4:01 PM EDT, 2 hours 12 minutes before

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Special weather statement, Jul 11, 4:45 PM EDT, 1 hour 28 minutes before

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Special weather statement, Jul 11, 4:47 PM EDT, 1 hour 26 minutes before

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Special weather statement, Jul 11, 5:26 PM EDT, 47 minutes before

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Special weather statement, Jul 11, 5:27 PM EDT, 46 minutes before

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Special weather statement, Jul 11, 5:44 PM EDT, 29 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
Jul 11, 4:05 PM EDT	Severe Thunderstorm Warning	AKQ	Spotsylvania	40 min
Jul 11, 4:54 PM EDT	Severe Thunderstorm Warning	AKQ	Spotsylvania	51 min
Jul 11, 5:05 PM EDT	Severe Thunderstorm Warning	AKQ	Surry, Sussex	40 min
Jul 11, 5:28 PM EDT	Severe Thunderstorm Warning	AKQ	Lancaster, Richmond	62 min
Jul 11, 5:28 PM EDT	Severe Thunderstorm Warning	AKQ	Essex, Middlesex	62 min
Jul 11, 5:54 PM EDT	Severe Thunderstorm Warning	AKQ	Isle of Wight, Surry	66 min
Jul 11, 5:54 PM EDT	Severe Thunderstorm Warning	AKQ	Prince George, Sussex	66 min
Jul 11, 5:54 PM EDT	Severe Thunderstorm Warning	AKQ	City of Hampton	66 min
Jul 11, 5:54 PM EDT	Severe Thunderstorm Warning	AKQ	Caroline	66 min
Jul 11, 6:13 PM EDT	Severe Thunderstorm Warning	AKQ	James City, York, City of Williamsburg	62 min
Jul 11, 6:13 PM EDT	Severe Thunderstorm Warning	AKQ	Gloucester, Mathews, Middlesex	62 min
Jul 11, 6:59 PM EDT	Severe Thunderstorm Warning	AKQ	Northampton	46 min
Jul 11, 7:17 PM EDT	Severe Thunderstorm Warning	AKQ	Brunswick	58 min

Nearby

Severe Thunderstorm Warnings in Virginia, 1990 Every severe thunderstorm warning in 1990

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.