Alert archive / Virginia / Tornado Warnings in 2002

Tornado Warning 13, NWS Wakefield, VA

November 11, 2002Caroline County, Hanover County, Virginia

NWS Wakefield, VA issued this tornado warning at Nov 11, 2002, 8:26 AM EST for Caroline County, Hanover County, Virginia. It was in force for 29 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
Nov 11, 2002, 8:26 AM EST (13:26 UTC)
Expired
Nov 11, 2002, 8:55 AM EST
In force
29 min
Issued by
NWS Wakefield, VA
Area
Counties, with a storm outline in the text

Counties Caroline County, VA, Hanover County, VA

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Nov 11, 5:05 AM ESTTornado WatchSPC6 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 1.4 hours before the alert went out and 117 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, Washington/Dulle, VA at 12:00Z on 2002-11-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 439 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, Washington/Dulle, VA at 12:00Z on 2002-11-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 134 square meters per square second.19395878Sfc1 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
439 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
481 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
134 m²/s²
0-3 km storm-relative helicity
232 m²/s²
Significant tornado parameter
0.4
Supercell composite
1.6

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 11, 5:36 AM ESTSevere Thunderstorm WarningAKQFluvanna, Louisa29 min
Nov 11, 6:17 AM ESTSevere Thunderstorm WarningAKQCumberland, Goochland18 min
Nov 11, 6:48 AM ESTSevere Thunderstorm WarningAKQCaroline, Goochland, Hanover27 min
Nov 11, 11:33 AM ESTSevere Thunderstorm WarningAKQCharles City, James City27 min
Nov 11, 12:22 PM ESTSpecial Marine WarningAKQ53 min
Nov 11, 12:46 PM ESTSevere Thunderstorm WarningAKQCity of Chesapeake, City of Virginia Beach44 min
Nov 11, 1:07 PM ESTSpecial Marine WarningAKQ53 min
Nov 11, 1:07 PM ESTSpecial Marine WarningAKQ53 min
Nov 11, 12:02 PM ESTSevere Thunderstorm WarningAKQBertie43 min
Nov 11, 1:11 PM ESTSevere Thunderstorm WarningAKQCamden, Currituck49 min

Nearby

Tornado Warnings in Virginia, 2002Every tornado warning in 2002Tornadoes 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; the sounding from the Mesonet's radiosonde archive.