Alert archive / Maryland / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 18, NWS Wakefield, VA

June 1, 2015Dorchester County, Maryland

NWS Wakefield, VA issued this severe thunderstorm warning at Jun 1, 2015, 11:09 PM EDT for Dorchester County, Maryland. It was in force for 22 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: Jun 1, 2015, 11:09 PM EDT (03:09 UTC)
Expired: Jun 1, 2015, 11:31 PM EDT
In force: 22 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon

County Dorchester County, MD

The radar

The Dover AFB radar (KDOX), 72 km from the middle of the area, began a volume at 03:10 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, 3.2 hours before the alert went out and 81 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: 8 J/kg
Mixed-layer CIN: -204 J/kg
Mixed-layer LCL: 1348 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: 33 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 Jun 1, 11:03 PM EDT, 6 minutes earlier.

Area forecast discussion, Jun 1, 11:03 PM EDT, 6 minutes before

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Hazardous weather outlook, Jun 1, 4:18 PM EDT, 6 hours 51 minutes before

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In the hours before

Special weather statement, Jun 1, 8:32 PM EDT, 2 hours 37 minutes before

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Special weather statement, Jun 1, 9:03 PM EDT, 2 hours 6 minutes before

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Special weather statement, Jun 1, 9:16 PM EDT, 1 hour 53 minutes before

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Special weather statement, Jun 1, 10:05 PM EDT, 1 hour 4 minutes before

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Special weather statement, Jun 1, 10:05 PM EDT, 1 hour 4 minutes before

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Special weather statement, Jun 1, 10:51 PM EDT, 18 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 1, 8:17 PM EDT	Special Weather Statement	AKQ	Accomack	43 min
Jun 1, 8:32 PM EDT	Special Weather Statement	AKQ	Caroline, Charles City, Greensville, Hanover, Henrico, King William and 7 more	43 min
Jun 1, 8:51 PM EDT	Special Marine Warning	AKQ		84 min
Jun 1, 8:53 PM EDT	Special Marine Warning	AKQ		82 min
Jun 1, 8:59 PM EDT	Special Marine Warning	AKQ		2 hr
Jun 1, 9:16 PM EDT	Special Weather Statement	AKQ	Charles City, Essex, Greensville, James City, King and Queen, King William and 12 more	44 min
Jun 1, 10:05 PM EDT	Special Weather Statement	AKQ	Charles City, Essex, Gloucester, James City, King and Queen, Lancaster and 11 more	40 min
Jun 1, 10:14 PM EDT	Special Marine Warning	AKQ		46 min
Jun 1, 10:51 PM EDT	Special Weather Statement	AKQ	Northampton	54 min
Jun 2, 11:54 AM EDT	Special Weather Statement	AKQ	City of Chesapeake, City of Norfolk, City of Virginia Beach	66 min
Jun 2, 12:23 PM EDT	Small Craft Advisory	AKQ		3 days
Jun 2, 12:55 PM EDT	Special Weather Statement	AKQ	Isle of Wight, York, City of Chesapeake, City of Hampton, City of Newport News, City of Norfolk and 4 more	50 min
Jun 2, 1:12 PM EDT	Special Marine Warning	AKQ		93 min
Jun 2, 1:21 PM EDT	Special Marine Warning	AKQ		54 min
Jun 2, 1:24 PM EDT	Special Weather Statement	AKQ	City of Suffolk	66 min
Jun 2, 1:37 PM EDT	Areal Flood Advisory	AKQ	Isle of Wight, York, City of Chesapeake, City of Hampton, City of Newport News, City of Norfolk and 4 more	3 hr
Jun 2, 1:48 PM EDT	Special Weather Statement	AKQ	York, City of Chesapeake, City of Hampton, City of Newport News, City of Norfolk, City of Poquoson and 3 more	27 min
Jun 2, 2:00 PM EDT	Special Weather Statement	AKQ	Surry	45 min
Jun 2, 2:22 PM EDT	Flash Flood Warning	AKQ	City of Virginia Beach	3 hr
Jun 2, 2:29 PM EDT	Special Weather Statement	AKQ	Mathews, City of Hampton, City of Newport News, City of Poquoson	16 min
Jun 2, 2:33 PM EDT	Special Weather Statement	AKQ	Isle of Wight, City of Chesapeake, City of Norfolk, City of Portsmouth, City of Suffolk	27 min
Jun 2, 2:43 PM EDT	Special Weather Statement	AKQ	Gloucester, Isle of Wight, Surry, York, City of Newport News, City of Williamsburg	62 min
Jun 2, 2:56 PM EDT	Areal Flood Advisory	AKQ	Gloucester, Isle of Wight, James City, Mathews, Surry, York and 3 more	3 hr
Jun 2, 3:04 PM EDT	Special Weather Statement	AKQ	City of Virginia Beach	26 min
Jun 2, 3:29 PM EDT	Special Weather Statement	AKQ	James City, Lancaster, Middlesex	31 min
Jun 2, 4:07 PM EDT	Special Weather Statement	AKQ	Gloucester, James City, Lancaster, Middlesex, New Kent	83 min
Jun 2, 5:53 PM EDT	Special Weather Statement	AKQ	Chesterfield, Dinwiddie, Greensville, Henrico, Isle of Wight, Prince George and 9 more	52 min
Jun 2, 6:49 PM EDT	Special Weather Statement	AKQ	Dinwiddie, Greensville, Southampton, Sussex, City of Emporia, City of Franklin	26 min
Jun 2, 2:16 PM EDT	Special Weather Statement	AKQ	Chowan, Gates	14 min
Jun 2, 3:00 PM EDT	Areal Flood Advisory	AKQ	Camden, Currituck, Pasquotank	2 hr
Jun 1, 9:03 PM EDT	Special Weather Statement	AKQ	Worcester	42 min
Jun 1, 11:57 PM EDT	Special Weather Statement	AKQ	Dorchester, Wicomico, Worcester	33 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2015 Every severe thunderstorm warning in 2015

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.