Alert archive / Virginia / Special Weather Statements in 2017

Special Weather Statement, NWS Wakefield, VA

June 19, 20179 counties in Virginia; Northampton County, North Carolina

NWS Wakefield, VA issued this special weather statement at Jun 19, 2017, 11:25 PM EDT for 9 counties in Virginia; Northampton County, North Carolina. It was in force for 65 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: Jun 19, 2017, 11:25 PM EDT (03:25 UTC)
Expired: Jun 20, 2017, 12:30 AM EDT
In force: 65 min
Issued by: NWS Wakefield, VA

Counties Northampton County, NC, City of Emporia, VA, City of Franklin, VA, City of Hampton, VA, City of Newport News, VA, City of Poquoson, VA, Greensville County, VA, Isle of Wight County, VA, Southampton County, VA, Surry County, VA

The radar

The Norfolk radar (KAKQ), 30 km from the middle of the area, began a volume at 03:25 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

Wallops Is Stn, VA (KWAL), launched 00:00Z, 3.4 hours before the alert went out and 200 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: 1394 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 1009 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 162 m²/s²
0-3 km storm-relative helicity: 157 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 8.5

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 Jun 19, 10:28 PM EDT, 57 minutes earlier.

Area forecast discussion, Jun 19, 10:28 PM EDT, 57 minutes before

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Hazardous weather outlook, Jun 19, 9:12 PM EDT, 2 hours 13 minutes before

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In the hours before

Local storm report, Jun 19, 8:22 PM EDT, 3 hours 3 minutes before

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Special weather statement, Jun 19, 8:48 PM EDT, 2 hours 37 minutes before

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Special weather statement, Jun 19, 9:43 PM EDT, 1 hour 42 minutes before

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Local storm report, Jun 19, 10:26 PM EDT, 59 minutes before

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Local storm report, Jun 19, 10:39 PM EDT, 46 minutes before

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Special weather statement, Jun 19, 11:25 PM 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
Jun 19, 8:48 PM EDT	Special Weather Statement	AKQ	Brunswick, Mecklenburg	57 min
Jun 19, 9:28 PM EDT	Special Marine Warning	AKQ		32 min
Jun 19, 9:43 PM EDT	Special Weather Statement	AKQ	Brunswick, Greensville, Sussex, City of Emporia	62 min
Jun 19, 11:33 PM EDT	Special Weather Statement	AKQ	Accomack, Mathews, Northampton, York	57 min
Jun 20, 12:27 AM EDT	Special Weather Statement	AKQ	Isle of Wight, Southampton, City of Franklin, City of Hampton, City of Norfolk, City of Portsmouth and 1 more	63 min
Jun 20, 12:29 AM EDT	Special Weather Statement	AKQ	Accomack, Northampton	46 min
Jun 20, 1:25 AM EDT	Special Weather Statement	AKQ	City of Chesapeake, City of Franklin, City of Norfolk, City of Portsmouth, City of Suffolk, City of Virginia Beach	65 min
Jun 20, 2:33 AM EDT	Special Weather Statement	AKQ	City of Chesapeake, City of Suffolk, City of Virginia Beach	57 min
Jun 20, 3:23 AM EDT	Special Weather Statement	AKQ	Southampton, City of Chesapeake, City of Franklin, City of Portsmouth, City of Suffolk, City of Virginia Beach	97 min
Jun 20, 5:03 AM EDT	Special Weather Statement	AKQ	Bertie, Camden, Chowan, Currituck, Pasquotank, Perquimans	87 min
Jun 20, 6:25 AM EDT	Special Weather Statement	AKQ	Camden, Currituck, Pasquotank, Perquimans	65 min
Jun 19, 8:01 PM EDT	Severe Thunderstorm Warning	AKQ	Dorchester, Somerset, Wicomico, Worcester	44 min
Jun 19, 11:37 PM EDT	Special Weather Statement	AKQ	Somerset, Wicomico, Worcester	53 min

Nearby

Special Weather Statements in Virginia, 2017 Special Weather Statements in North Carolina, 2017 Every special weather statement in 2017

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.