Alert archive / Virginia / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 19, NWS Wakefield, VA

April 23, 2005City of Chesapeake, City of Norfolk, City of Virginia Beach, Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at Apr 23, 2005, 4:29 PM EDT for City of Chesapeake, City of Norfolk, City of Virginia Beach, Virginia. It was in force for 31 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: Apr 23, 2005, 4:29 PM EDT (20:29 UTC)
Expired: Apr 23, 2005, 5:00 PM EDT
In force: 31 min
Issued by: NWS Wakefield, VA
Area: Counties, with a storm outline in the text

Counties City of Chesapeake, VA, City of Norfolk, VA, City of Virginia Beach, VA

The radar

The Norfolk radar (KAKQ), 76 km from the middle of the area, began a volume at 20:29 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

Newport, NC (KMHX), launched 12:00Z, 8.5 hours before the alert went out and 230 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: 15 J/kg
Mixed-layer CIN: -114 J/kg
Mixed-layer LCL: 1090 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 187 m²/s²
0-3 km storm-relative helicity: 172 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 Apr 23, 3:36 PM EDT, 53 minutes earlier.

Area forecast discussion, Apr 23, 3:36 PM EDT, 53 minutes before

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Hazardous weather outlook, Apr 23, 6:35 AM EDT, 9 hours 54 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WAKEFIELD VA
635 AM EDT SAT APR 23 2005

MDZ021>025-NCZ012>017-030>032-102-VAZ048-049-060>100-241030-
ACCOMACK VA-AMELIA VA-BERTIE NC-BRUNSWICK VA-CAMDEN NC-CAROLINE VA-
CHARLES CITY VA-CHESAPEAKE VA-CHESTERFIELD VA-CHOWAN NC-
CUMBERLAND VA-DINWIDDIE VA-DORCHESTER MD-EASTERN CURRITUCK NC-
ESSEX VA-FLUVANNA VA-GATES NC-GLOUCESTER VA-GOOCHLAND VA-
GREENSVILLE VA-HANOVER VA-HENRICO VA-HERTFORD NC-INLAND WORCESTER MD-
ISLE OF WIGHT VA-JAMES CITY VA-KING AND QUEEN VA-KING WILLIAM VA-
LANCASTER VA-LOUISA VA-LUNENBURG VA-MARYLAND BEACHES MD-MATHEWS VA-
MECKLENBURG VA-MIDDLESEX VA-NEW KENT VA-NEWPORT NEWS/HAMPTON VA-
NORFOLK/PORTSMOUTH VA-NORTHAMPTON VA-NORTHAMPTON NC-
NORTHUMBERLAND VA-NOTTOWAY VA-PASQUOTANK NC-PERQUIMANS NC-
POWHATAN VA-PRINCE EDWARD VA-PRINCE GEORGE VA-RICHMOND VA-
SOMERSET MD-SOUTHAMPTON VA-SUFFOLK VA-SURRY VA-SUSSEX VA-
VIRGINIA BEACH VA-WESTERN CURRITUCK NC-WESTMORELAND VA-WICOMICO MD-
YORK VA-
635 AM EDT SAT APR 23 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND EASTERN VIRGINIA...
NORTHEAST NORTH CAROLINA AND THE EASTERN MARYLAND SHORE.

.DAY ONE...TODAY...
SCATTERED THUNDERSTORMS MAY PRODUCE DAMAGING WINDS...LARGE HAIL AND
AN ISOLATED TORNADO OR TWO TODAY. SEVERE WEATHER MAY OCCUR AT
ANYTIME TODAY...BUT THE MAIN TIME FRAME WILL LIKELY BE BETWEEN 3 AND
8 PM.

.DAYS TWO THROUGH SEVEN...
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER CALL TO ACTION STATEMENT...
SPOTTER ACTIVATION MAY BE REQUIRED TODAY...ESPECIALLY DURING THE MID
AFTERNOON TO EARLY EVENING TIME PERIOD.

FORECASTER ID
CULLEN

THIS PRODUCT...ALONG WITH OTHER WATCHES...WARNINGS...ADVISORIES...AND
STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN
WAKEFIELD, VA CAN BE FOUND ON THE INTERNET AT THE FOLLOWING
(LOWER CASE): HTTP://WWW.ERH.NOAA.GOV/AKQ.

In the hours before

Local storm report, Apr 23, 2:20 PM EDT, 2 hours 9 minutes before

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Special weather statement, Apr 23, 2:37 PM EDT, 1 hour 52 minutes before

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Special weather statement, Apr 23, 2:48 PM EDT, 1 hour 41 minutes before

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Special weather statement, Apr 23, 3:10 PM EDT, 1 hour 19 minutes before

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Special weather statement, Apr 23, 3:17 PM EDT, 1 hour 12 minutes before

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Local storm report, Apr 23, 4:05 PM EDT, 24 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
Apr 23, 1:44 PM EDT	Severe Thunderstorm Warning	AKQ	Cumberland, Prince Edward	31 min
Apr 23, 2:15 PM EDT	Severe Thunderstorm Warning	AKQ	Amelia, Cumberland, Powhatan	36 min
Apr 23, 3:53 PM EDT	Severe Thunderstorm Warning	AKQ	Greensville, Southampton	40 min
Apr 23, 4:01 PM EDT	Severe Thunderstorm Warning	AKQ	City of Chesapeake	35 min
Apr 23, 4:18 PM EDT	Severe Thunderstorm Warning	AKQ	Surry, Sussex	27 min
Apr 23, 4:36 PM EDT	Special Marine Warning	AKQ		39 min
Apr 23, 5:14 PM EDT	Special Marine Warning	AKQ		46 min
Apr 23, 5:32 PM EDT	Severe Thunderstorm Warning	AKQ	Accomack, Northampton	28 min
Apr 23, 5:51 PM EDT	Special Marine Warning	AKQ		39 min
Apr 23, 6:17 PM EDT	Severe Thunderstorm Warning	AKQ	City of Chesapeake	28 min
Apr 23, 6:27 PM EDT	Special Marine Warning	AKQ		33 min
Apr 23, 5:54 PM EDT	Severe Thunderstorm Warning	AKQ	Chowan, Perquimans	40 min
Apr 23, 6:13 PM EDT	Severe Thunderstorm Warning	AKQ	Camden, Currituck, Pasquotank	52 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2005 Every severe thunderstorm warning in 2005

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.