Alert archive / North Carolina / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 148

May 2, 20045 counties in Georgia; 22 counties in North Carolina; 22 counties in South Carolina

The Storm Prediction Center issued this severe thunderstorm watch at May 2, 2004, 4:50 PM EDT for 5 counties in Georgia; 22 counties in North Carolina; 22 counties in South Carolina. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 2, 2004, 4:50 PM EDT (20:50 UTC)
Expired
May 2, 2004, 10:00 PM EDT
In force
5 hr
Issued by
the Storm Prediction Center
All 49 counties

Bryan County, GA, Chatham County, GA, Effingham County, GA, Liberty County, GA, Long County, GA, Alamance County, NC, Bladen County, NC, Chatham County, NC, Columbus County, NC, Cumberland County, NC, Durham County, NC, Edgecombe County, NC, Franklin County, NC, Harnett County, NC, Hoke County, NC, Johnston County, NC, Lee County, NC, Moore County, NC, Nash County, NC, Orange County, NC, Richmond County, NC, Robeson County, NC, Sampson County, NC, Scotland County, NC, Wake County, NC, Wayne County, NC, Wilson County, NC, Bamberg County, SC, Beaufort County, SC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Chesterfield County, SC, Clarendon County, SC, Colleton County, SC, Darlington County, SC, Dillon County, SC, Dorchester County, SC, Florence County, SC, Georgetown County, SC, Hampton County, SC, Horry County, SC, Jasper County, SC, Lee County, SC, Marion County, SC, Marlboro County, SC, Orangeburg County, SC, Sumter County, SC, Williamsburg County, SC

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 2, 4:50 PM EDTSevere Thunderstorm WarningCHSEffingham40 min
May 2, 4:53 PM EDTSevere Thunderstorm WarningCHSColleton37 min
May 2, 4:54 PM EDTSevere Thunderstorm WarningCHSHampton51 min
May 2, 4:59 PM EDTSevere Thunderstorm WarningCHSChatham16 min
May 2, 5:03 PM EDTTornado WarningRAHHarnett27 min
May 2, 5:11 PM EDTSevere Thunderstorm WarningCAESumter34 min
May 2, 5:12 PM EDTSevere Thunderstorm WarningCHSBryan, Liberty33 min
May 2, 5:13 PM EDTTornado WarningCHSColleton32 min
May 2, 5:14 PM EDTTornado WarningRAHWake31 min
May 2, 5:18 PM EDTSevere Thunderstorm WarningCAELee42 min
May 2, 5:18 PM EDTSevere Thunderstorm WarningCHSJasper57 min
May 2, 5:26 PM EDTSevere Thunderstorm WarningCAEChesterfield34 min
May 2, 5:30 PM EDTSevere Thunderstorm WarningILMDarlington60 min
May 2, 5:32 PM EDTSevere Thunderstorm WarningCHSEffingham43 min
May 2, 5:40 PM EDTSevere Thunderstorm WarningCHSColleton, Dorchester50 min
May 2, 5:57 PM EDTSevere Thunderstorm WarningCAEClarendon33 min
May 2, 6:06 PM EDTSevere Thunderstorm WarningRAHRichmond39 min
May 2, 6:10 PM EDTSevere Thunderstorm WarningCHSChatham20 min
May 2, 6:18 PM EDTSevere Thunderstorm WarningCHSJasper42 min
May 2, 6:32 PM EDTSevere Thunderstorm WarningCHSCharleston, Colleton, Dorchester58 min
May 2, 6:47 PM EDTSevere Thunderstorm WarningCHSBeaufort58 min
May 2, 7:08 PM EDTSevere Thunderstorm WarningILMMarion37 min
May 2, 7:30 PM EDTSevere Thunderstorm WarningCHSCharleston90 min
May 2, 7:40 PM EDTSevere Thunderstorm WarningILMHorry20 min
May 2, 8:01 PM EDTSevere Thunderstorm WarningILMGeorgetown29 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 12:00Z, 8.8 hours before the alert went out and 61 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 12:00Z on 2004-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 946 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 12:00Z on 2004-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 square meters per square second.1939Sfc1 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
946 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
555 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
46 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
May 2, 2:37 AM EDTMesoscale DiscussionSPCBaker, Calhoun, Chattahoochee, Clay, Decatur, Dougherty and 14 more113 min
May 2, 11:32 AM EDTMesoscale DiscussionSPCCamden, Glynn, McIntosh2 hr
May 2, 12:33 PM EDTMesoscale DiscussionSPCBaldwin, Bleckley, Bulloch, Burke, Candler, Columbia and 23 more117 min
May 2, 1:10 PM EDTSevere Thunderstorm WatchSPCAppling, Atkinson, Bacon, Ben Hill, Berrien, Bleckley and 45 more6 hr
May 2, 3:26 PM EDTMesoscale DiscussionSPCScreven2 hr
May 2, 5:45 PM EDTSevere Thunderstorm WatchSPCGates5 hr
May 2, 7:23 PM EDTMesoscale DiscussionSPCBeaufort, Bertie, Bladen, Brunswick, Columbus, Craven and 24 more67 min

Nearby

Severe Thunderstorm Watches in North Carolina, 2004Severe Thunderstorm Watches in South Carolina, 2004Severe Thunderstorm Watches in Georgia, 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.