Alert archive / North Carolina / Tornado Watches in 2006

Tornado Watch 867

November 16, 200619 counties in North Carolina; 11 counties in South Carolina

The Storm Prediction Center issued this tornado watch at Nov 16, 2006, 7:51 AM EST for 19 counties in North Carolina; 11 counties in South Carolina. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Nov 16, 2006, 7:51 AM EST (12:51 UTC)
Expired
Nov 16, 2006, 2:12 PM EST
In force
6 hr
Issued by
the Storm Prediction Center
Largest hail expected
1 in
Strongest gust expected
60 kt
All 30 counties

Bladen County, NC, Brunswick County, NC, Chatham County, NC, Columbus County, NC, Cumberland County, NC, Harnett County, NC, Hoke County, NC, Johnston County, NC, Lee County, NC, Moore County, NC, New Hanover County, NC, Pender County, NC, Richmond County, NC, Robeson County, NC, Sampson County, NC, Scotland County, NC, Wake County, NC, Wayne County, NC, Wilson County, NC, Berkeley County, SC, Charleston County, SC, Darlington County, SC, Dillon County, SC, Dorchester County, SC, Florence County, SC, Georgetown County, SC, Horry County, SC, Marion County, SC, Marlboro County, SC, Williamsburg County, SC

The radar

The Raleigh/Durham radar (KRAX), 104 km from the middle of the area, began a volume at 12:53 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
30%
Ten or more severe wind reports
40%
One or more gusts of 65 knots or more
20%
Ten or more severe hail reports
10%
One or more hailstones of 2 inches or more
5%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Nov 16, 8:22 AM ESTTornado WarningRAHWilson38 min
Nov 16, 8:36 AM ESTSevere Thunderstorm WarningRAHWake24 min
Nov 16, 9:20 AM ESTTornado WarningRAHSampson40 min
Nov 16, 9:21 AM ESTSevere Thunderstorm WarningILMColumbus39 min
Nov 16, 9:26 AM ESTTornado WarningILMBladen, Columbus34 min
Nov 16, 9:39 AM ESTTornado WarningRAHJohnston51 min
Nov 16, 10:57 AM ESTTornado WarningRAHWayne33 min
Nov 16, 11:17 AM ESTTornado WarningILMBrunswick, Columbus43 min
Nov 16, 11:44 AM ESTSevere Thunderstorm WarningRAHEdgecombe, Wilson16 min
Nov 16, 12:17 PM ESTFlash Flood WarningRAHWayne73 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 0.9 hours before the alert went out and 158 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, Greensboro/Hi Pt, NC at 12:00Z on 2006-11-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Greensboro/Hi Pt, NC at 12:00Z on 2006-11-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 429 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
727 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
429 m²/s²
0-3 km storm-relative helicity
561 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 15, 9:14 PM ESTMesoscale DiscussionSPCBrunswick, Columbus61 min
Nov 15, 11:58 PM ESTTornado WatchSPCAnson, Bladen, Brunswick, Chatham, Columbus, Cumberland and 18 more8 hr
Nov 16, 12:32 AM ESTMesoscale DiscussionSPCStanly, Union58 min
Nov 16, 2:28 AM ESTTornado WatchSPCAlamance, Caswell, Durham, Edgecombe, Franklin, Granville and 7 more9 hr
Nov 16, 3:17 AM ESTMesoscale DiscussionSPCAlamance, Beaufort, Bertie, Bladen, Brunswick, Camden and 46 more118 min
Nov 16, 4:38 AM ESTTornado WatchSPCBertie, Camden, Chowan, Currituck, Gates, Hertford and 2 more6 hr
Nov 16, 6:42 AM ESTMesoscale DiscussionSPCBeaufort, Bertie, Brunswick, Camden, Carteret, Chowan and 26 more93 min
Nov 16, 7:17 AM ESTMesoscale DiscussionSPCAlamance, Anson, Caswell, Chatham, Cumberland, Davidson and 22 more118 min
Nov 16, 10:16 AM ESTMesoscale DiscussionSPCBeaufort, Bertie, Camden, Carteret, Chowan, Craven and 23 more59 min
Nov 16, 10:44 AM ESTTornado WatchSPCBeaufort, Bertie, Camden, Carteret, Chowan, Craven and 23 more7 hr
Nov 16, 3:11 PM ESTMesoscale DiscussionSPCCamden, Carteret, Chowan, Currituck, Dare, Gates and 6 more94 min
Nov 15, 7:03 PM ESTMesoscale DiscussionSPCAllendale, Bamberg, Barnwell, Beaufort, Berkeley, Charleston and 4 more57 min
Nov 15, 7:08 PM ESTTornado WatchSPCAllendale, Beaufort, Colleton, Hampton, Jasper8 hr
Nov 15, 9:29 PM ESTTornado WatchSPCAiken, Bamberg, Barnwell, Berkeley, Calhoun, Charleston and 14 more5 hr

Nearby

Tornado Watches in North Carolina, 2006Tornado Watches in South 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.