Alert archive / North Carolina / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 905

November 24, 200435 counties in North Carolina; 14 counties in South Carolina

The Storm Prediction Center issued this severe thunderstorm watch at Nov 24, 2004, 3:25 PM EST for 35 counties in North Carolina; 14 counties in South Carolina. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Nov 24, 2004, 3:25 PM EST (20:25 UTC)
Expired
Nov 24, 2004, 9:00 PM EST
In force
6 hr
Issued by
the Storm Prediction Center
All 49 counties

Alamance County, NC, Anson County, NC, Bladen County, NC, Brunswick County, NC, Caswell County, NC, Chatham County, NC, Columbus County, NC, Cumberland County, NC, Davidson County, NC, Davie County, NC, Durham County, NC, Forsyth County, NC, Franklin County, NC, Granville County, NC, Guilford County, NC, Harnett County, NC, Hoke County, NC, Johnston County, NC, Lee County, NC, Montgomery County, NC, Moore County, NC, Orange County, NC, Person County, NC, Randolph County, NC, Richmond County, NC, Robeson County, NC, Rockingham County, NC, Sampson County, NC, Scotland County, NC, Stanly County, NC, Stokes County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Wayne County, NC, Berkeley County, SC, Charleston County, SC, Chesterfield County, SC, Clarendon County, SC, Darlington County, SC, Dillon County, SC, Florence County, SC, Georgetown County, SC, Horry County, SC, Lee County, SC, Marion County, SC, Marlboro County, SC, Sumter County, SC, Williamsburg County, SC

The radar

The Raleigh/Durham radar (KRAX), 89 km from the middle of the area, began a volume at 20:23 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.

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Nov 24, 3:38 PM ESTSevere Thunderstorm WarningCAEChesterfield, Lee, Sumter52 min
Nov 24, 4:04 PM ESTSevere Thunderstorm WarningCAEClarendon41 min
Nov 24, 4:15 PM ESTSevere Thunderstorm WarningRAHForsyth30 min
Nov 24, 4:20 PM ESTSevere Thunderstorm WarningRNKStokes25 min
Nov 24, 4:23 PM ESTSevere Thunderstorm WarningILMDarlington27 min
Nov 24, 4:27 PM ESTSevere Thunderstorm WarningILMDarlington23 min
Nov 24, 4:33 PM ESTSevere Thunderstorm WarningILMMarlboro12 min
Nov 24, 4:39 PM ESTSevere Thunderstorm WarningRAHDavidson21 min
Nov 24, 4:48 PM ESTSevere Thunderstorm WarningRNKRockingham42 min
Nov 24, 4:50 PM ESTSevere Thunderstorm WarningILMMarlboro25 min
Nov 24, 4:53 PM ESTSevere Thunderstorm WarningRAHRandolph37 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, 8.4 hours before the alert went out and 149 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 2004-11-24Temperature 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 2004-11-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 172 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
513 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
172 m²/s²
0-3 km storm-relative helicity
233 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 24, 10:23 AM ESTMesoscale DiscussionSPCUnion97 min
Nov 24, 10:40 AM ESTTornado WatchSPCUnion6 hr
Nov 24, 2:13 PM ESTMesoscale DiscussionSPCAnson, Bladen, Brunswick, Columbus, Cumberland, Duplin and 10 more2 hr
Nov 24, 4:50 PM ESTMesoscale DiscussionSPCAlamance, Anson, Bladen, Brunswick, Caswell, Chatham and 26 more115 min

Nearby

Severe Thunderstorm Watches in North Carolina, 2004Severe Thunderstorm Watches in South Carolina, 2004Every severe thunderstorm watch in 2004

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.