Alert archive / South Carolina / Tornado Watches in 2006

Tornado Watch 478

June 13, 20065 counties in North Carolina; 13 counties in South Carolina

The Storm Prediction Center issued this tornado watch at Jun 13, 2006, 9:37 PM EDT for 5 counties in North Carolina; 13 counties in South Carolina. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jun 13, 2006, 9:37 PM EDT (01:37 UTC)
Expired
Jun 14, 2006, 5:00 AM EDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
0.5 in
Strongest gust expected
60 kt

Counties Bladen County, NC, Brunswick County, NC, Columbus County, NC, New Hanover County, NC, Pender County, NC, Allendale County, SC, Beaufort County, SC, Berkeley County, SC, Charleston County, SC, Colleton County, SC, Dorchester County, SC, Florence County, SC, Georgetown County, SC, Hampton County, SC, Horry County, SC, Jasper County, SC, Marion County, SC, Williamsburg County, SC

The radar

The Charleston,SC radar (KCLX), 122 km from the middle of the area, began a volume at 01:40 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 SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
40%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
5%
One or more gusts of 65 knots or more
5%
Ten or more severe hail reports
5%
One or more hailstones of 2 inches or more
5%
Six or more combined severe hail and wind reports
40%

Warnings issued inside it

9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jun 13, 10:25 PM EDTTornado WarningCHSBeaufort35 min
Jun 13, 10:34 PM EDTTornado WarningCHSHampton26 min
Jun 13, 10:39 PM EDTTornado WarningCHSColleton51 min
Jun 13, 11:07 PM EDTTornado WarningCHSCharleston23 min
Jun 13, 11:28 PM EDTTornado WarningCHSCharleston, Colleton, Dorchester62 min
Jun 14, 12:05 AM EDTTornado WarningCHSBerkeley55 min
Jun 14, 12:58 AM EDTTornado WarningCHSBerkeley62 min
Jun 14, 1:04 AM EDTTornado WarningILMWilliamsburg56 min
Jun 14, 2:00 AM EDTTornado WarningILMWilliamsburg30 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 1.6 hours before the alert went out and 49 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, Charleston AFB, SC at 00:00Z on 2006-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 720 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, Charleston AFB, SC at 00:00Z on 2006-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 267 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
720 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
504 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
267 m²/s²
0-3 km storm-relative helicity
393 m²/s²
Significant tornado parameter
0.9
Supercell composite
6.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 14, 2:19 AM EDTMesoscale DiscussionSPCBladen, Brunswick, Carteret, Columbus, Craven, Duplin and 6 more116 min
Jun 14, 4:58 AM EDTTornado WatchSPCBeaufort, Bladen, Brunswick, Carteret, Columbus, Craven and 17 more11 hr
Jun 14, 11:13 AM EDTMesoscale DiscussionSPCBeaufort, Carteret, Craven, Dare, Duplin, Greene and 10 more2 hr
Jun 14, 2:47 PM EDTMesoscale DiscussionSPCBeaufort, Carteret, Craven, Dare, Hyde, Pamlico and 3 more118 min

Nearby

Tornado Watches in South Carolina, 2006Tornado Watches in North Carolina, 2006Every tornado watch in 2006

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.