Alert archive / Virginia / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 117, NWS Wakefield, VA

July 24, 20146 counties in Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at Jul 24, 2014, 7:15 PM EDT for 6 counties in Virginia. It was in force for 45 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: Jul 24, 2014, 7:15 PM EDT (23:15 UTC)
Expired: Jul 24, 2014, 8:00 PM EDT
In force: 45 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties City of Chesapeake, VA, City of Norfolk, VA, City of Portsmouth, VA, City of Suffolk, VA, City of Virginia Beach, VA, Isle of Wight County, VA

The radar

The Norfolk radar (KAKQ), 61 km from the middle of the area, began a volume at 23:17 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
Jul 24, 5:50 PM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 11.3 hours before the alert went out and 152 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: 488 J/kg
Mixed-layer CIN: -101 J/kg
Mixed-layer LCL: 1039 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: -14 m²/s²
0-3 km storm-relative helicity: 47 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.2

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 Jul 24, 7:03 PM EDT, 12 minutes earlier.

Area forecast discussion, Jul 24, 7:03 PM EDT, 12 minutes before

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Hazardous weather outlook, Jul 24, 3:26 PM EDT, 3 hours 49 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WAKEFIELD VA
326 PM EDT THU JUL 24 2014

MDZ021>025-NCZ012>017-030>032-102-VAZ048-049-060>100-251930-
DORCHESTER-WICOMICO-SOMERSET-INLAND WORCESTER-MARYLAND BEACHES-
NORTHAMPTON NC-HERTFORD-GATES-PASQUOTANK-CAMDEN-INLAND CURRITUCK-
BERTIE-CHOWAN-PERQUIMANS-OUTER BANKS CURRITUCK-FLUVANNA-LOUISA-
PRINCE EDWARD-CUMBERLAND-GOOCHLAND-HANOVER-CAROLINE-MECKLENBURG-
LUNENBURG-NOTTOWAY-AMELIA-POWHATAN-CHESTERFIELD-HENRICO-KING WILLIAM-
KING AND QUEEN-ESSEX-WESTMORELAND-RICHMOND-NORTHUMBERLAND-LANCASTER-
BRUNSWICK-DINWIDDIE-PRINCE GEORGE-CHARLES CITY-NEW KENT-GLOUCESTER-
MIDDLESEX-MATHEWS-GREENSVILLE-SUSSEX-SURRY-JAMES CITY-YORK-
SOUTHAMPTON-ISLE OF WIGHT-NEWPORT NEWS/HAMPTON-NORFOLK/PORTSMOUTH-
SUFFOLK-CHESAPEAKE-VIRGINIA BEACH-ACCOMACK-NORTHAMPTON VA-
326 PM EDT THU JUL 24 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE LOWER EASTERN SHORE OF
MARYLAND...COASTAL NORTHEAST NORTH CAROLINA...INTERIOR NORTHEAST
NORTH CAROLINA...THE NORTHERN OUTER BANKS OF NORTH
CAROLINA...CENTRAL VIRGINIA...EAST CENTRAL VIRGINIA...INTERIOR
SOUTHEAST VIRGINIA...SOUTH CENTRAL VIRGINIA...SOUTH HAMPTON ROADS
VIRGINIA...THE EASTERN SHORE OF VIRGINIA...THE MIDDLE PENINSULA OF
VIRGINIA...THE NORTHERN NECK OF VIRGINIA...THE PENINSULA OF
SOUTHEAST VIRGINIA AND THE PIEDMONT OF CENTRAL VIRGINIA.

.DAY ONE...TONIGHT.
SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH THE EVENING HOURS.
ANY THUNDERSTORM THAT DEVELOPS WILL BE CAPABLE OF PRODUCING DAMAGING
WIND GUSTS...FREQUENT LIGHTNING AND LOCALLY HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

44

In the hours before

Local storm report, Jul 24, 6:47 PM EDT, 28 minutes before

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Local storm report, Jul 24, 6:49 PM EDT, 26 minutes before

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Special weather statement, Jul 24, 7:04 PM EDT, 11 minutes before

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Local storm report, Jul 24, 7:05 PM EDT, 10 minutes before

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Local storm report, Jul 24, 7:11 PM EDT, 4 minutes before

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Local storm report, Jul 24, 7:15 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
Jul 23, 9:31 PM EDT	Special Weather Statement	AKQ	King George	44 min
Jul 23, 10:06 PM EDT	Special Weather Statement	AKQ	Caroline	39 min
Jul 24, 5:18 AM EDT	Special Weather Statement	AKQ	Chesterfield, Henrico, City of Colonial Heights, City of Hopewell	57 min
Jul 24, 7:22 AM EDT	Special Weather Statement	AKQ	Brunswick, Dinwiddie, Greensville, Nottoway, City of Emporia	38 min
Jul 24, 7:25 AM EDT	Special Weather Statement	AKQ	Prince George	50 min
Jul 24, 7:27 AM EDT	Special Weather Statement	AKQ	Prince George	48 min
Jul 24, 7:30 AM EDT	Special Weather Statement	AKQ	Gloucester	45 min
Jul 24, 7:48 AM EDT	Special Weather Statement	AKQ	Surry	27 min
Jul 24, 7:50 AM EDT	Severe Thunderstorm Warning	AKQ	Surry, Sussex	40 min
Jul 24, 8:02 AM EDT	Special Weather Statement	AKQ	Southampton, Sussex	43 min
Jul 24, 8:05 AM EDT	Special Marine Warning	AKQ		85 min
Jul 24, 8:20 AM EDT	Tornado Warning	AKQ	Northampton	40 min
Jul 24, 8:37 AM EDT	Special Weather Statement	AKQ	Southampton, City of Franklin	23 min
Jul 24, 8:41 AM EDT	Special Marine Warning	AKQ		49 min
Jul 24, 8:42 AM EDT	Special Marine Warning	AKQ		108 min
Jul 24, 8:52 AM EDT	Special Marine Warning	AKQ		83 min
Jul 24, 8:55 AM EDT	Severe Thunderstorm Warning	AKQ	Isle of Wight, Southampton, City of Franklin, City of Suffolk	35 min
Jul 24, 9:10 AM EDT	Special Marine Warning	AKQ		95 min
Jul 24, 9:13 AM EDT	Special Weather Statement	AKQ	City of Hampton, City of Newport News, City of Poquoson	62 min
Jul 24, 9:23 AM EDT	Severe Thunderstorm Warning	AKQ	Isle of Wight, City of Chesapeake, City of Norfolk, City of Portsmouth, City of Suffolk	52 min
Jul 24, 9:27 AM EDT	Areal Flood Advisory	AKQ	Northampton	3 hr
Jul 24, 9:46 AM EDT	Special Marine Warning	AKQ		59 min
Jul 24, 10:01 AM EDT	Special Weather Statement	AKQ	Northampton	29 min
Jul 24, 10:07 AM EDT	Severe Thunderstorm Warning	AKQ	City of Chesapeake, City of Norfolk, City of Virginia Beach	56 min
Jul 24, 10:16 AM EDT	Special Marine Warning	AKQ		74 min
Jul 24, 2:25 PM EDT	Special Weather Statement	AKQ	Fluvanna	50 min
Jul 24, 3:15 PM EDT	Special Weather Statement	AKQ	Cumberland, Powhatan	60 min
Jul 24, 3:49 PM EDT	Special Weather Statement	AKQ	Henrico, City of Richmond	56 min
Jul 24, 3:58 PM EDT	Special Weather Statement	AKQ	Amelia, Chesterfield, Powhatan	62 min
Jul 24, 4:02 PM EDT	Tornado Warning	AKQ	Amelia, Chesterfield, Powhatan	28 min
Jul 24, 4:04 PM EDT	Areal Flood Advisory	AKQ	City of Richmond	56 min
Jul 24, 4:28 PM EDT	Severe Thunderstorm Warning	AKQ	Chesterfield, Henrico, Powhatan, City of Richmond	47 min
Jul 24, 4:40 PM EDT	Tornado Warning	AKQ	Chesterfield	35 min
Jul 24, 4:59 PM EDT	Areal Flood Advisory	AKQ	Chesterfield, Henrico, City of Richmond	91 min
Jul 24, 5:09 PM EDT	Severe Thunderstorm Warning	AKQ	Charles City, Chesterfield, Dinwiddie, Prince George, City of Colonial Heights, City of Hopewell and 1 more	51 min
Jul 24, 5:11 PM EDT	Special Weather Statement	AKQ	Dinwiddie, Lunenburg, Mecklenburg, Nottoway	64 min
Jul 24, 5:22 PM EDT	Tornado Warning	AKQ	Prince George, City of Petersburg	23 min
Jul 24, 5:49 PM EDT	Special Weather Statement	AKQ	Charles City, James City, New Kent, City of Hopewell	41 min
Jul 24, 5:54 PM EDT	Severe Thunderstorm Warning	AKQ	Prince George, Surry, Sussex	51 min
Jul 24, 6:19 PM EDT	Special Weather Statement	AKQ	Brunswick, Greensville, Mecklenburg, Sussex, City of Emporia	56 min
Jul 24, 6:32 PM EDT	Severe Thunderstorm Warning	AKQ	Isle of Wight, Southampton, Surry, City of Suffolk	43 min
Jul 24, 6:34 PM EDT	Special Marine Warning	AKQ		116 min
Jul 24, 7:04 PM EDT	Special Weather Statement	AKQ	Southampton, City of Franklin	56 min
Jul 24, 7:55 PM EDT	Special Weather Statement	AKQ	City of Chesapeake, City of Norfolk, City of Portsmouth, City of Virginia Beach	65 min
Jul 23, 10:18 PM EDT	Special Weather Statement	AKQ	Dorchester	42 min
Jul 23, 10:57 PM EDT	Special Weather Statement	AKQ	Dorchester, Wicomico	48 min
Jul 24, 12:17 AM EDT	Special Weather Statement	AKQ	Dorchester	73 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2014 Every severe thunderstorm warning in 2014

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.