Alert archive / Maryland / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 78, NWS Wakefield, VA

June 28, 2013Somerset County, Wicomico County, Worcester County, Maryland

NWS Wakefield, VA issued this severe thunderstorm warning at Jun 28, 2013, 7:52 PM EDT for Somerset County, Wicomico County, Worcester County, Maryland. It was in force for 53 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 28, 2013, 7:52 PM EDT (23:52 UTC)
Expired: Jun 28, 2013, 8:45 PM EDT
In force: 53 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Somerset County, MD, Wicomico County, MD, Worcester County, MD

The radar

The Dover AFB radar (KDOX), 68 km from the middle of the area, began a volume at 23:54 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
Jun 28, 2:08 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 11.9 hours before the alert went out and 177 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: 34 J/kg
Mixed-layer CIN: -140 J/kg
Mixed-layer LCL: 1246 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 70 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 28, 7:38 PM EDT, 14 minutes earlier.

Area forecast discussion, Jun 28, 7:38 PM EDT, 14 minutes before

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Hazardous weather outlook, Jun 28, 7:34 PM EDT, 18 minutes before

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In the hours before

Local storm report, Jun 28, 6:41 PM EDT, 1 hour 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WAKEFIELD VA
641 PM EDT FRI JUN 28 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0611 PM     TSTM WND DMG     HURLOCK                 38.62N  75.85W
06/28/2013                   DORCHESTER         MD   911 CALL CENTER

            TWO TREES DOWN IN HURLOCK BLOCKING ROADS.

&&

EVENT NUMBER AKQ1300807

JO

Local storm report, Jun 28, 7:03 PM EDT, 49 minutes before

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Local storm report, Jun 28, 7:09 PM EDT, 43 minutes before

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Special weather statement, Jun 28, 7:15 PM EDT, 37 minutes before

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Special weather statement, Jun 28, 7:19 PM EDT, 33 minutes before

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Special weather statement, Jun 28, 7:35 PM EDT, 17 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 27, 8:00 PM EDT	Special Weather Statement	AKQ	Accomack, Northampton	60 min
Jun 27, 8:24 PM EDT	Special Weather Statement	AKQ	Lunenburg	66 min
Jun 27, 8:41 PM EDT	Special Weather Statement	AKQ	Charles City, New Kent	49 min
Jun 27, 9:24 PM EDT	Special Weather Statement	AKQ	Dinwiddie, Sussex	66 min
Jun 27, 10:09 PM EDT	Special Weather Statement	AKQ	Prince George	51 min
Jun 28, 3:20 PM EDT	Special Weather Statement	AKQ	Lunenburg, Nottoway, Prince Edward	55 min
Jun 28, 3:47 PM EDT	Special Weather Statement	AKQ	Amelia	43 min
Jun 28, 4:10 PM EDT	Severe Thunderstorm Warning	AKQ	Brunswick, Dinwiddie, Lunenburg, Nottoway	50 min
Jun 28, 4:11 PM EDT	Severe Thunderstorm Warning	AKQ	Amelia, Chesterfield, Henrico, Powhatan, City of Richmond	49 min
Jun 28, 4:26 PM EDT	Special Weather Statement	AKQ	King and Queen, King William, Richmond	49 min
Jun 28, 4:27 PM EDT	Severe Thunderstorm Warning	AKQ	Lunenburg, Mecklenburg	48 min
Jun 28, 4:44 PM EDT	Tornado Warning	AKQ	Brunswick, Lunenburg	31 min
Jun 28, 4:56 PM EDT	Special Weather Statement	AKQ	King and Queen, King William, City of Richmond	64 min
Jun 28, 5:02 PM EDT	Severe Thunderstorm Warning	AKQ	Brunswick, Lunenburg, Mecklenburg	43 min
Jun 28, 5:08 PM EDT	Special Weather Statement	AKQ	Westmoreland	22 min
Jun 28, 5:08 PM EDT	Severe Thunderstorm Warning	AKQ	Brunswick, Greensville, City of Emporia	52 min
Jun 28, 5:17 PM EDT	Special Marine Warning	AKQ		88 min
Jun 28, 5:19 PM EDT	Special Weather Statement	AKQ	King and Queen, Lancaster, Northumberland	41 min
Jun 28, 5:24 PM EDT	Special Weather Statement	AKQ	Lunenburg, Mecklenburg	51 min
Jun 28, 5:38 PM EDT	Severe Thunderstorm Warning	AKQ	Greensville, Southampton, Sussex	37 min
Jun 28, 5:43 PM EDT	Special Marine Warning	AKQ		107 min
Jun 28, 5:46 PM EDT	Severe Thunderstorm Warning	AKQ	Gloucester, King and Queen, Lancaster, Mathews, Middlesex	44 min
Jun 28, 6:24 PM EDT	Special Weather Statement	AKQ	City of Franklin	51 min
Jun 28, 6:30 PM EDT	Severe Thunderstorm Warning	AKQ	Gloucester, Lancaster, Mathews, Middlesex, Northumberland	15 min
Jun 27, 9:49 PM EDT	Special Weather Statement	AKQ	Worcester	41 min
Jun 28, 5:22 PM EDT	Special Weather Statement	AKQ	Dorchester	38 min
Jun 28, 5:35 PM EDT	Special Weather Statement	AKQ	Dorchester	55 min
Jun 28, 6:07 PM EDT	Severe Thunderstorm Warning	AKQ	Dorchester, Wicomico	38 min
Jun 28, 6:15 PM EDT	Special Weather Statement	AKQ	Dorchester, Wicomico, Worcester	45 min
Jun 28, 6:30 PM EDT	Severe Thunderstorm Warning	AKQ	Somerset, Worcester	45 min
Jun 28, 7:15 PM EDT	Special Weather Statement	AKQ	Wicomico, Worcester	45 min
Jun 28, 7:19 PM EDT	Special Weather Statement	AKQ	Dorchester	26 min
Jun 28, 7:54 PM EDT	Special Weather Statement	AKQ	Dorchester	66 min
Jun 27, 8:34 PM EDT	Special Weather Statement	AKQ	Chowan	56 min
Jun 28, 5:57 PM EDT	Special Weather Statement	AKQ	Warren	63 min
Jun 28, 6:52 PM EDT	Severe Thunderstorm Warning	AKQ	Gates, Hertford, Northampton	53 min
Jun 28, 7:35 PM EDT	Special Weather Statement	AKQ	Bertie	55 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2013 Every severe thunderstorm warning in 2013

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.