Alert archive / North Carolina / Severe Thunderstorm Watches in 1997
Severe Thunderstorm Watch 796
The Storm Prediction Center issued this severe thunderstorm watch at Nov 21, 1997, 11:00 PM EST for 5 counties in Georgia; 23 counties in North Carolina; 23 counties in South Carolina. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Nov 21, 1997, 11:00 PM EST (04:00 UTC)
- Expired
- Nov 22, 1997, 5:00 AM EST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 51 counties
Burke County, GA, Candler County, GA, Jenkins County, GA, Richmond County, GA, Screven County, GA, Anson County, NC, Bladen County, NC, Chatham County, NC, Cumberland County, NC, Durham County, NC, Franklin County, NC, Harnett County, NC, Hoke County, NC, Johnston County, NC, Lee County, NC, Montgomery County, NC, Moore County, NC, Nash County, NC, Richmond County, NC, Robeson County, NC, Sampson County, NC, Scotland County, NC, Union County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Wayne County, NC, Wilson County, NC, Aiken County, SC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Calhoun County, SC, Chesterfield County, SC, Clarendon County, SC, Darlington County, SC, Dillon County, SC, Edgefield County, SC, Fairfield County, SC, Florence County, SC, Kershaw County, SC, Lancaster County, SC, Lee County, SC, Lexington County, SC, Marion County, SC, Marlboro County, SC, Newberry County, SC, Orangeburg County, SC, Richland County, SC, Saluda County, SC, Sumter County, SC
The radar
The Columbia radar (KCAE), 79 km from the middle of the area, began a volume at 04:00 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.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 00:00Z, 4.0 hours before the alert went out and 169 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
- 676 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 618 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 225 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 4.5
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 21, 8:00 PM EST | Severe Thunderstorm Watch | SPC | Baldwin, Bibb, Bleckley, Butts, Candler, Chattahoochee and 50 more | 5 hr |
Nearby
Severe Thunderstorm Watches in North Carolina, 1997Severe Thunderstorm Watches in South Carolina, 1997Severe Thunderstorm Watches in Georgia, 1997Every severe thunderstorm watch in 1997
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.