Alert archive / North Carolina / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 711
The Storm Prediction Center issued this severe thunderstorm watch at Aug 5, 2004, 12:35 PM EDT for 4 states. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 5, 2004, 12:35 PM EDT (16:35 UTC)
- Expired
- Aug 5, 2004, 8:00 PM EDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 119 counties
Columbia County, GA, Elbert County, GA, Hancock County, GA, Hart County, GA, Lincoln County, GA, McDuffie County, GA, Oglethorpe County, GA, Taliaferro County, GA, Warren County, GA, Wilkes County, GA, Alamance County, NC, Anson County, NC, Beaufort County, NC, Bertie County, NC, Bladen County, NC, Cabarrus County, NC, Camden County, NC, Catawba County, NC, Chatham County, NC, Chowan County, NC, Cleveland County, NC, Craven County, NC, Cumberland County, NC, Currituck County, NC, Dare County, NC, Davidson County, NC, Davie County, NC, Duplin County, NC, Durham County, NC, Edgecombe County, NC, Franklin County, NC, Gaston County, NC, Gates County, NC, Granville County, NC, Greene County, NC, Guilford County, NC, Halifax County, NC, Harnett County, NC, Henderson County, NC, Hertford County, NC, Hoke County, NC, Hyde County, NC, Iredell County, NC, Johnston County, NC, Jones County, NC, Lee County, NC, Lenoir County, NC, Lincoln County, NC, Martin County, NC, Mecklenburg County, NC, Montgomery County, NC, Moore County, NC, Nash County, NC, Northampton County, NC, Onslow County, NC, Orange County, NC, Pamlico County, NC, Pasquotank County, NC, Perquimans County, NC, Person County, NC, Pitt County, NC, Polk County, NC, Randolph County, NC, Richmond County, NC, Robeson County, NC, Rowan County, NC, Rutherford County, NC, Sampson County, NC, Scotland County, NC, Stanly County, NC, Transylvania County, NC, Tyrrell County, NC, Union County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Washington County, NC, Wayne County, NC, Wilson County, NC, Abbeville County, SC, Aiken County, SC, Anderson County, SC, Cherokee County, SC, Chester County, SC, Chesterfield County, SC, Darlington County, SC, Dillon County, SC, Edgefield County, SC, Fairfield County, SC, Florence County, SC, Greenville County, SC, Greenwood County, SC, Kershaw County, SC, Lancaster County, SC, Laurens County, SC, Lee County, SC, Lexington County, SC, Marlboro County, SC, McCormick County, SC, Newberry County, SC, Oconee County, SC, Pickens County, SC, Richland County, SC, Saluda County, SC, Spartanburg County, SC, Sumter County, SC, Union County, SC, York County, SC, City of Chesapeake, VA, City of Emporia, VA, City of Franklin, VA, City of Hampton, VA, City of Norfolk, VA, City of Portsmouth, VA, City of Suffolk, VA, City of Virginia Beach, VA, Greensville County, VA, Isle of Wight County, VA, Southampton County, VA
The radar
The Raleigh/Durham radar (KRAX), 148 km from the middle of the area, began a volume at 16:39 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
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 1:56 PM EDT | Severe Thunderstorm Warning | RAH | Wake | 34 min |
| Aug 5, 2:32 PM EDT | Severe Thunderstorm Warning | MHX | Martin | 43 min |
| Aug 5, 3:20 PM EDT | Severe Thunderstorm Warning | FFC | Oglethorpe | 25 min |
| Aug 5, 3:39 PM EDT | Severe Thunderstorm Warning | RAH | Sampson | 36 min |
| Aug 5, 4:17 PM EDT | Severe Thunderstorm Warning | GSP | Union | 43 min |
| Aug 5, 4:24 PM EDT | Severe Thunderstorm Warning | MHX | Jones | 36 min |
| Aug 5, 4:59 PM EDT | Severe Thunderstorm Warning | MHX | Beaufort, Craven, Pamlico | 46 min |
| Aug 5, 5:38 PM EDT | Flash Flood Warning | MHX | Jones | 2 hr |
| Aug 5, 6:17 PM EDT | Severe Thunderstorm Warning | ILM | Bladen | 73 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, 4.6 hours before the alert went out and 94 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.
- Mixed-layer CAPE
- 275 J/kg
- Mixed-layer CIN
- -84 J/kg
- Mixed-layer LCL
- 1447 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 3:11 PM EDT | Mesoscale Discussion | SPC | Banks, Barrow, Bartow, Butts, Carroll, Chattooga and 32 more | 94 min |
| Aug 5, 3:32 PM EDT | Mesoscale Discussion | SPC | Burke, Columbia, Elbert, Glascock, Greene, Hancock and 8 more | 88 min |
| Aug 5, 5:44 PM EDT | Mesoscale Discussion | SPC | Columbia, Glascock, Lincoln, McDuffie, Richmond, Warren | 91 min |
| Aug 5, 10:59 AM EDT | Mesoscale Discussion | SPC | Alamance, Anson, Beaufort, Bertie, Bladen, Cabarrus and 52 more | 2 hr |
Nearby
Severe Thunderstorm Watches in North Carolina, 2004Severe Thunderstorm Watches in South Carolina, 2004Severe Thunderstorm Watches in Virginia, 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.