Alert archive / Virginia / Special Weather Statements in 2021

Special Weather Statement, NWS Wakefield, VA

April 11, 20215 counties in Virginia

NWS Wakefield, VA issued this special weather statement at Apr 11, 2021, 1:28 AM EDT for 5 counties in Virginia. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 11, 2021, 1:28 AM EDT (05:28 UTC)
Expired: Apr 11, 2021, 2:30 AM EDT
In force: 62 min
Issued by: NWS Wakefield, VA

Counties Amelia County, VA, Lunenburg County, VA, Mecklenburg County, VA, Nottoway County, VA, Prince Edward County, VA

The radar

The Norfolk radar (KAKQ), 136 km from the middle of the area, began a volume at 05:28 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 00:00Z, 5.5 hours before the alert went out and 88 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: 55 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 768 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 286 m²/s²
0-3 km storm-relative helicity: 452 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Apr 11, 1:11 AM EDT, 17 minutes earlier.

Area forecast discussion, Apr 11, 1:11 AM EDT, 17 minutes before

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Hazardous weather outlook, Apr 10, 10:08 PM EDT, 3 hours 20 minutes before

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In the hours before

Local storm report, Apr 10, 8:29 PM EDT, 4 hours 59 minutes before

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Local storm report, Apr 10, 8:42 PM EDT, 4 hours 46 minutes before

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Local storm report, Apr 10, 9:01 PM EDT, 4 hours 27 minutes before

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Local storm report, Apr 10, 10:56 PM EDT, 2 hours 32 minutes before

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Special weather statement, Apr 11, 1:28 AM EDT, 0 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
Apr 11, 4:04 AM EDT	Special Weather Statement	AKQ	Prince George, Sussex, City of Colonial Heights, City of Petersburg	56 min
Apr 11, 4:12 AM EDT	Special Weather Statement	AKQ	Bertie	48 min

Nearby

Special Weather Statements in Virginia, 2021 Every special weather statement in 2021

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.