Alert archive / Virginia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 121, NWS Wakefield, VA

June 17, 2011Greensville County, Sussex County, Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at Jun 17, 2011, 7:05 PM EDT for Greensville County, Sussex County, Virginia. It was in force for 40 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 17, 2011, 7:05 PM EDT (23:05 UTC)
Expired: Jun 17, 2011, 7:45 PM EDT
In force: 40 min
Issued by: NWS Wakefield, VA
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

Counties Greensville County, VA, Sussex County, VA

The radar

The Norfolk radar (KAKQ), 41 km from the middle of the area, began a volume at 23:08 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 12:00Z, 11.1 hours before the alert went out and 191 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: -139 J/kg
Mixed-layer LCL: 1278 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 193 m²/s²
0-3 km storm-relative helicity: 184 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 17, 4:40 PM EDT, 2 hours 25 minutes earlier.

Area forecast discussion, Jun 17, 4:40 PM EDT, 2 hours 25 minutes before

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Hazardous weather outlook, Jun 17, 4:29 PM EDT, 2 hours 36 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WAKEFIELD VA
429 PM EDT FRI JUN 17 2011

MDZ021>025-NCZ012>016-030>032-VAZ048-049-060>100-182030-
DORCHESTER-WICOMICO-SOMERSET-INLAND WORCESTER-MARYLAND BEACHES-
NORTHAMPTON NC-HERTFORD-GATES-PASQUOTANK-CAMDEN-BERTIE-CHOWAN-
PERQUIMANS-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-
429 PM EDT FRI JUN 17 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE LOWER EASTERN SHORE OF
MARYLAND...COASTAL NORTHEAST NORTH CAROLINA...INTERIOR NORTHEAST
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.

ISOLATED STRONG THUNDERSTORMS WILL BE POSSIBLE LATE THIS AFTERNOON
AND EVENING. THE MAIN THREAT IS FROM STRONG GUSTY WINDS AND HAIL.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

SCATTERED THUNDERSTORMS WILL BE POSSIBLE LATE SATURDAY AND SUNDAY.
AFTERNOON HEAT INDICES WILL PEAK AROUND 100 DEGREES SATURDAY AND
SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ017-102-182030-
INLAND CURRITUCK-OUTER BANKS CURRITUCK-
429 PM EDT FRI JUN 17 2011

...AIR QUALITY ALERT IN EFFECT UNTIL 3 PM EDT SATURDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR COASTAL NORTHEAST NORTH
CAROLINA AND THE NORTHERN OUTER BANKS OF NORTH CAROLINA.

.DAY ONE...TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   AIR QUALITY ALERT.

ISOLATED STRONG THUNDERSTORMS WILL BE POSSIBLE LATE THIS AFTERNOON
AND EVENING. THE MAIN THREAT IS FROM STRONG GUSTY WINDS AND HAIL.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   AIR QUALITY ALERT.

SCATTERED THUNDERSTORMS WILL BE POSSIBLE LATE SATURDAY AND SUNDAY.
AFTERNOON HEAT INDICES WILL PEAK AROUND 100 DEGREES SATURDAY AND
SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ630>634-650-652-654-656-658-182030-
CHESAPEAKE BAY FROM SMITH POINT TO WINDMILL POINT VA-
CHESAPEAKE BAY FROM WINDMILL POINT TO NEW POINT COMFORT VA-
CHESAPEAKE BAY FROM NEW POINT COMFORT TO LITTLE CREEK VA-
CURRITUCK SOUND-
CHESAPEAKE BAY FROM LITTLE CREEK TO CAPE HENRY VA...INCLUDING THE
CHESAPEAKE BAY BRIDGE TUNNEL-
COASTAL WATERS FROM FENWICK ISLAND DE TO CHINCOTEAGUE VA OUT TO
20 NM-
COASTAL WATERS FROM CHINCOTEAGUE TO PARRAMORE ISLAND VA OUT TO 20 NM-
COASTAL WATERS FROM PARRAMORE ISLAND TO CAPE CHARLES LIGHT VA OUT TO
20 NM-
COASTAL WATERS FROM CAPE CHARLES LIGHT VA TO NC VA BORDER OUT TO
20 NM-
COASTAL WATERS FROM NC VA BORDER TO CURRITUCK BEACH LIGHT NC OUT TO
20 NM-
429 PM EDT FRI JUN 17 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE CENTRAL CHESAPEAKE
BAY...THE SOUTHERN CHESAPEAKE BAY...THE MID ATLANTIC COASTAL WATERS
AND CURRITUCK SOUND.

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Jun 17, 5:03 PM EDT, 2 hours 2 minutes before

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Special weather statement, Jun 17, 5:15 PM EDT, 1 hour 50 minutes before

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Special weather statement, Jun 17, 5:54 PM EDT, 1 hour 11 minutes before

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Special weather statement, Jun 17, 6:03 PM EDT, 1 hour 2 minutes before

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Special weather statement, Jun 17, 6:36 PM EDT, 29 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
636 PM EDT FRI JUN 17 2011

VAZ079>081-087-088-172315-
BRUNSWICK VA-DINWIDDIE VA-GREENSVILLE VA-PRINCE GEORGE VA-SUSSEX VA-
636 PM EDT FRI JUN 17 2011

...THUNDERSTORMS WERE TRACKING ACROSS PORTIONS OF SOUTH CENTRAL
VIRGINIA...

AT 634 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
BROKEN LINE OF THUNDERSTORMS...WITH THE LEADING EDGE EXTENDING FROM
10 MILES NORTHWEST OF STONY CREEK TO 6 MILES WEST OF MCKENNEY...OR
FROM DINWIDDIE TO 6 MILES WEST OF MCKENNEY. MOVEMENT OF THESE CELLS
WAS TO THE SOUTHEAST AROUND 35 MPH. THESE STORMS WILL REACH THE
COMMUNITIES OF STONY CREEK AROUND 650 PM EDT...SUSSEX AROUND 700 PM
EDT...AND HOMEVILLE AROUND 705 PM EDT...

WIND GUSTS TO 40 MPH...SMALL HAIL...AND DEADLY CLOUD TO GROUND
LIGHTNING ARE EXPECTED UNDERNEATH THE STRONGEST CELLS...ALONG WITH
BRIEF HEAVY RAINFALL. IF YOU HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING. MOVE INTO A SAFE SHELTER BEFORE THESE STORMS
REACH YOUR AREA. REMAIN INDOORS UNTIL THE STORMS HAVE PASSED.

LAT...LON 3692 7704 3681 7723 3677 7738 3699 7788
      3701 7774 3707 7754

BHURLEY

Special weather statement, Jun 17, 6:56 PM EDT, 9 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
656 PM EDT FRI JUN 17 2011

VAZ088-089-092-093-172330-
ISLE OF WIGHT VA-SOUTHAMPTON VA-SURRY VA-SUSSEX VA-
656 PM EDT FRI JUN 17 2011

...STRONG THUNDERSTORM MOVING THROUGH NORTHERN SUSSEX COUNTY...

AT 655 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER WAKEFIELD...MOVING SOUTHEAST AT 30 MPH. THE
STRONG THUNDERSTORM WILL BE NEAR IVOR AT 705 PM EDT...ZUNI AT 715 PM
EDT...WHITLEY...AND...CENTRAL HILL AT 720 PM EDT...AND ISLE OF WIGHT
AT 725 PM EDT.

WIND GUSTS TO 40 MPH...SMALL HAIL...A PERIOD OF HEAVY RAIN...AND
FREQUENT CLOUD TO GROUND LIGHTNING ARE EXPECTED IN THE PATH OF THIS
STORM. IF YOU HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY
LIGHTNING. MOVE INTO A SAFE SHELTER BEFORE THIS STORM REACHES YOUR
AREA. REMAIN INDOORS UNTIL AFTER THE STORM HAS PASSED.

LAT...LON 3690 7663 3679 7677 3697 7711 3701 7705

WSAMMLER

The office that day

Everything else NWS Wakefield, VA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 16, 8:02 PM EDT	Special Weather Statement	AKQ	Prince George	58 min
Jun 16, 9:51 PM EDT	Special Weather Statement	AKQ	James City, Surry, Sussex, City of Williamsburg	54 min
Jun 16, 10:07 PM EDT	Special Weather Statement	AKQ	Prince Edward	53 min
Jun 16, 11:00 PM EDT	Special Weather Statement	AKQ	Cumberland	60 min
Jun 16, 11:34 PM EDT	Special Weather Statement	AKQ	Gloucester, Mathews, York, City of Hampton, City of Newport News, City of Poquoson	56 min
Jun 16, 11:47 PM EDT	Special Weather Statement	AKQ	Amelia, Powhatan	58 min
Jun 17, 12:14 AM EDT	Special Weather Statement	AKQ	Lunenburg, Nottoway	61 min
Jun 17, 1:03 AM EDT	Special Weather Statement	AKQ	Chesterfield, Henrico, City of Richmond	57 min
Jun 17, 1:32 AM EDT	Special Weather Statement	AKQ	Brunswick, Dinwiddie, Mecklenburg, Nottoway	58 min
Jun 17, 2:42 AM EDT	Special Weather Statement	AKQ	Accomack, Northampton	63 min
Jun 17, 4:31 AM EDT	Coastal Flood Advisory	AKQ	Lancaster, Northumberland	5 hr
Jun 17, 4:44 AM EDT	Special Weather Statement	AKQ	Accomack	76 min
Jun 17, 1:48 PM EDT	Special Weather Statement	AKQ	Fluvanna, Powhatan	57 min
Jun 17, 2:04 PM EDT	Severe Thunderstorm Warning	AKQ	Fluvanna	41 min
Jun 17, 2:41 PM EDT	Severe Thunderstorm Warning	AKQ	Cumberland, Powhatan	35 min
Jun 17, 3:27 PM EDT	Special Weather Statement	AKQ	Cumberland, Fluvanna	63 min
Jun 17, 3:37 PM EDT	Special Weather Statement	AKQ	Charles City, Henrico	53 min
Jun 17, 4:13 PM EDT	Special Weather Statement	AKQ	Hanover, Louisa	62 min
Jun 17, 4:15 PM EDT	Special Weather Statement	AKQ	Dinwiddie, Sussex	45 min
Jun 17, 4:28 PM EDT	Special Weather Statement	AKQ	Cumberland, Fluvanna, Goochland, Louisa, Powhatan	62 min
Jun 17, 4:55 PM EDT	Special Weather Statement	AKQ	Isle of Wight, Southampton, Sussex, City of Franklin	35 min
Jun 17, 5:03 PM EDT	Special Weather Statement	AKQ	Nottoway	57 min
Jun 17, 5:15 PM EDT	Special Weather Statement	AKQ	Goochland, Hanover, Henrico, King and Queen, King William, Powhatan and 1 more	60 min
Jun 17, 5:54 PM EDT	Special Weather Statement	AKQ	Brunswick	66 min
Jun 17, 6:03 PM EDT	Special Weather Statement	AKQ	Dinwiddie	42 min
Jun 17, 6:36 PM EDT	Special Weather Statement	AKQ	Sussex	39 min
Jun 17, 6:56 PM EDT	Special Weather Statement	AKQ	Isle of Wight	34 min
Jun 17, 7:20 PM EDT	Special Weather Statement	AKQ	City of Norfolk, City of Virginia Beach	55 min
Jun 17, 7:33 PM EDT	Special Weather Statement	AKQ	Southampton	42 min
Jun 16, 8:32 PM EDT	Special Weather Statement	AKQ	Dorchester	58 min
Jun 16, 9:30 PM EDT	Special Weather Statement	AKQ	Dorchester, Wicomico	60 min
Jun 16, 10:01 PM EDT	Special Weather Statement	AKQ	Dorchester	29 min
Jun 16, 10:31 PM EDT	Special Weather Statement	AKQ	Dorchester	59 min
Jun 16, 11:31 PM EDT	Special Weather Statement	AKQ	Dorchester	59 min
Jun 17, 12:15 AM EDT	Special Weather Statement	AKQ	Dorchester	45 min
Jun 17, 4:31 AM EDT	Coastal Flood Warning	AKQ	Dorchester	5 hr
Jun 17, 7:27 PM EDT	Special Weather Statement	AKQ	Dorchester	63 min
Jun 17, 7:54 PM EDT	Severe Thunderstorm Warning	AKQ	Dorchester	36 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2011 Every severe thunderstorm warning in 2011

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.