Alert archive / Virginia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 120, NWS Wakefield, VA

June 17, 2011Cumberland County, Powhatan County, Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at Jun 17, 2011, 2:41 PM EDT for Cumberland County, Powhatan County, Virginia. It was in force for 35 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, 2:41 PM EDT (18:41 UTC)
Expired
Jun 17, 2011, 3:16 PM EDT
In force
35 min
Issued by
NWS Wakefield, VA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cumberland County, VA, Powhatan County, VA

The radar

The Norfolk radar (KAKQ), 113 km from the middle of the area, began a volume at 18:44 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, 6.7 hours before the alert went out and 131 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-pSkew-T log-p diagram, Roanoke, VA at 12:00Z on 2011-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 12:00Z on 2011-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 193 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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, 2:36 PM EDT, 5 minutes earlier.

Area forecast discussion, Jun 17, 2:36 PM EDT, 5 minutes before
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Hazardous weather outlook, Jun 17, 9:57 AM EDT, 4 hours 44 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WAKEFIELD VA
957 AM EDT FRI JUN 17 2011

MDZ021>025-NCZ012>015-030>032-VAZ048-049-060>100-181400-
DORCHESTER-WICOMICO-SOMERSET-INLAND WORCESTER-MARYLAND BEACHES-
NORTHAMPTON NC-HERTFORD-GATES-PASQUOTANK-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-
957 AM 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...TODAY AND 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 ON SUNDAY. AFTERNOON HEAT
INDICES WILL PEAK AROUND 100 DEGREES SATURDAY AND SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

NCZ016-017-102-181400-
CAMDEN-INLAND CURRITUCK-OUTER BANKS CURRITUCK-
957 AM EDT FRI JUN 17 2011

...AIR QUALITY ALERT IN EFFECT UNTIL 3 PM EDT THIS AFTERNOON...

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

.DAY ONE...TODAY AND 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.

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

SCATTERED THUNDERSTORMS WILL BE POSSIBLE ON SUNDAY. AFTERNOON HEAT
INDICES WILL PEAK IN THE UPPER 90S TO AROUND 100 DEGREES SATURDAY
AND SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

ANZ650-652-181400-
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-
957 AM EDT FRI JUN 17 2011

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MID ATLANTIC COASTAL
WATERS.

.DAY ONE...TODAY AND TONIGHT.

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

   SMALL CRAFT ADVISORY.

.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.

ANZ630>634-654-656-658-181400-
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 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-
957 AM 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...TODAY AND 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, 1:48 PM EDT, 53 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
148 PM EDT FRI JUN 17 2011

VAZ048-061-062-069-171845-
CUMBERLAND VA-FLUVANNA VA-GOOCHLAND VA-POWHATAN VA-
148 PM EDT FRI JUN 17 2011

...STRONG THUNDERSTORM MOVING INTO THE EAST CENTRAL VIRGINIA
PIEDMONT...

AT 146 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 14 MILES WEST OF PALMYRA...MOVING SOUTHEAST AT 35
MPH. THE STRONG THUNDERSTORM WILL BE NEAR ANTIOCH AT 155 PM EDT...
CENTRAL PLAINS AT 205 PM EDT...COHASSET AT 210 PM EDT...BREMO BLUFF
AT 215 PM EDT...COLUMBIA AT 220 PM EDT...LAKESIDE VILLAGE AT 225 PM
EDT.

WIND GUSTS TO 45 MPH...SMALL HAIL...CLOUD TO GROUND LIGHTNING...AND
VERY HEAVY RAIN 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 THESE STORMS REACH YOUR AREA. REMAIN
INDOORS UNTIL THE STORMS HAVE PASSED.

LAT...LON 3794 7837 3759 7776 3745 7790 3747 7789
      3750 7800 3747 7802 3747 7805 3745 7807
      3760 7828 3768 7824 3775 7845 3777 7848
      3781 7849

ZIMMERMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 8:02 PM EDTSpecial Weather StatementAKQPrince George58 min
Jun 16, 9:51 PM EDTSpecial Weather StatementAKQJames City, Surry, Sussex, City of Williamsburg54 min
Jun 16, 10:07 PM EDTSpecial Weather StatementAKQPrince Edward53 min
Jun 16, 11:00 PM EDTSpecial Weather StatementAKQCumberland60 min
Jun 16, 11:34 PM EDTSpecial Weather StatementAKQGloucester, Mathews, York, City of Hampton, City of Newport News, City of Poquoson56 min
Jun 16, 11:47 PM EDTSpecial Weather StatementAKQAmelia, Powhatan58 min
Jun 17, 12:14 AM EDTSpecial Weather StatementAKQLunenburg, Nottoway61 min
Jun 17, 1:03 AM EDTSpecial Weather StatementAKQChesterfield, Henrico, City of Richmond57 min
Jun 17, 1:32 AM EDTSpecial Weather StatementAKQBrunswick, Dinwiddie, Mecklenburg, Nottoway58 min
Jun 17, 2:42 AM EDTSpecial Weather StatementAKQAccomack, Northampton63 min
Jun 17, 4:31 AM EDTCoastal Flood AdvisoryAKQLancaster, Northumberland5 hr
Jun 17, 4:44 AM EDTSpecial Weather StatementAKQAccomack76 min
Jun 17, 1:48 PM EDTSpecial Weather StatementAKQFluvanna, Powhatan57 min
Jun 17, 2:04 PM EDTSevere Thunderstorm WarningAKQFluvanna41 min
Jun 17, 3:27 PM EDTSpecial Weather StatementAKQCumberland, Fluvanna63 min
Jun 17, 3:37 PM EDTSpecial Weather StatementAKQCharles City, Henrico53 min
Jun 17, 4:13 PM EDTSpecial Weather StatementAKQHanover, Louisa62 min
Jun 17, 4:15 PM EDTSpecial Weather StatementAKQDinwiddie, Sussex45 min
Jun 17, 4:28 PM EDTSpecial Weather StatementAKQCumberland, Fluvanna, Goochland, Louisa, Powhatan62 min
Jun 17, 4:55 PM EDTSpecial Weather StatementAKQIsle of Wight, Southampton, Sussex, City of Franklin35 min
Jun 17, 5:03 PM EDTSpecial Weather StatementAKQNottoway57 min
Jun 17, 5:15 PM EDTSpecial Weather StatementAKQGoochland, Hanover, Henrico, King and Queen, King William, Powhatan and 1 more60 min
Jun 17, 5:54 PM EDTSpecial Weather StatementAKQBrunswick66 min
Jun 17, 6:03 PM EDTSpecial Weather StatementAKQDinwiddie42 min
Jun 17, 6:36 PM EDTSpecial Weather StatementAKQSussex39 min
Jun 17, 6:56 PM EDTSpecial Weather StatementAKQIsle of Wight34 min
Jun 17, 7:05 PM EDTSevere Thunderstorm WarningAKQGreensville, Sussex40 min
Jun 17, 7:20 PM EDTSpecial Weather StatementAKQCity of Norfolk, City of Virginia Beach55 min
Jun 17, 7:33 PM EDTSpecial Weather StatementAKQSouthampton42 min
Jun 16, 8:32 PM EDTSpecial Weather StatementAKQDorchester58 min
Jun 16, 9:30 PM EDTSpecial Weather StatementAKQDorchester, Wicomico60 min
Jun 16, 10:01 PM EDTSpecial Weather StatementAKQDorchester29 min
Jun 16, 10:31 PM EDTSpecial Weather StatementAKQDorchester59 min
Jun 16, 11:31 PM EDTSpecial Weather StatementAKQDorchester59 min
Jun 17, 12:15 AM EDTSpecial Weather StatementAKQDorchester45 min
Jun 17, 4:31 AM EDTCoastal Flood WarningAKQDorchester5 hr
Jun 17, 7:27 PM EDTSpecial Weather StatementAKQDorchester63 min
Jun 17, 7:54 PM EDTSevere Thunderstorm WarningAKQDorchester36 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2011Every 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.