Alert archive / Virginia / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 11, NWS Wakefield, VA

April 19, 2002Prince George County, City of Hopewell, Virginia

NWS Wakefield, VA issued this severe thunderstorm warning at Apr 19, 2002, 4:23 PM EDT for Prince George County, City of Hopewell, Virginia. It was in force for 32 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Apr 19, 2002, 4:23 PM EDT (20:23 UTC)
Expired: Apr 19, 2002, 4:55 PM EDT
In force: 32 min
Issued by: NWS Wakefield, VA
Area: Whole counties

Counties City of Hopewell, VA, Prince George County, VA

The radar

The Norfolk radar (KAKQ), 36 km from the middle of the area, began a volume at 20:15 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.

What was reported inside it

Time	Report	Where	Remark
Apr 19, 4:42 PM EDT	Thunderstorm Wind	Prince George, VA	Trees down.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Wallops Is Stn, VA (KWAL), launched 12:00Z, 8.4 hours before the alert went out and 180 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: 192 J/kg
Mixed-layer CIN: -210 J/kg
Mixed-layer LCL: 1126 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 105 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 Apr 19, 10:45 AM EDT, 5 hours 38 minutes earlier.

Area forecast discussion, Apr 19, 10:45 AM EDT, 5 hours 38 minutes before

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In the hours before

Special weather statement, Apr 19, 11:13 AM EDT, 5 hours 10 minutes before

MDZ021>025-NCZ012>017-030>032-102-VAZ049-060>100-191815-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WAKEFIELD VA
1113 AM EDT FRI APR 19 2002

...ISOLATED SEVERE THUNDERSTORMS POSSIBLE AGAIN THIS AFTERNOON AND
EVENING...

* THREAT AREA...SOUTH CENTRAL AND SOUTHEAST VIRGINIA...FAR NORTHEAST
  NORTH CAROLINA...AND THE LOWER EASTERN SHORE.

* TIME OF SEVERE WEATHER THREAT...BETWEEN 3 AND 9 PM.

* SYNOPSIS...CONTINUED HOT AND HUMID CONDITIONS...ALONG WITH A
  WEAK FRONTAL BOUNDARY IN PLACE ACROSS THE REGION...WILL TRIGGER
  SCATTERED SHOWERS AND  THUNDERSTORMS ONCE AGAIN THIS AFTERNOON.
  A FEW OF THESE STORMS MAY REACH SEVERE LIMITS.

* SPOTTER ACTIVATION...SKYWARN SPOTTER ACTIVATION MAY BE NEEDED
  LATER THIS AFTERNOON AND EVENING.

* SEVERE WEATHER THREAT INCLUDES THE FOLLOWING...

  WIND GUSTS TO 60 MPH...
  HAIL UP TO THREE QUARTER INCH IN DIAMETER...

  IN ADDITION...HEAVY RAINFALL FROM THESE THUNDERSTORMS MAY RESULT
  IN LOCALIZED FLASH FLOODING...MAINLY IN URBAN AREAS AND IN LOW
  LYING LOCATIONS NEAR RIVERS AND STREAMS.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR FURTHER
DETAILS OR UPDATES. YOU CAN ALSO CHECK OUT OUR WEB SITE AT
HTTP://WEATHER.NOAA.GOV/AKQ.

HURLEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 4:55 PM EDT	Severe Thunderstorm Warning	AKQ	Sussex	30 min
Apr 19, 5:48 PM EDT	Special Marine Warning	AKQ		57 min
Apr 19, 5:48 PM EDT	Special Marine Warning	AKQ		57 min
Apr 19, 6:13 PM EDT	Severe Thunderstorm Warning	AKQ	City of Virginia Beach	27 min
Apr 19, 6:14 PM EDT	Special Marine Warning	AKQ		31 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2002 Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.