Alert archive / North Carolina / Severe Thunderstorm Watches in 1997
Severe Thunderstorm Watch 66
The Storm Prediction Center issued this severe thunderstorm watch at Feb 21, 1997, 7:30 PM EST for 38 counties in North Carolina; Dillon County, Horry County, Marion County, South Carolina. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 21, 1997, 7:30 PM EST (00:30 UTC)
- Expired
- Feb 22, 1997, 1:00 AM EST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 41 counties
Alamance County, NC, Bladen County, NC, Brunswick County, NC, Caswell County, NC, Chatham County, NC, Columbus County, NC, Craven County, NC, Cumberland County, NC, Duplin County, NC, Durham County, NC, Edgecombe County, NC, Franklin County, NC, Granville County, NC, Greene County, NC, Halifax County, NC, Harnett County, NC, Hoke County, NC, Johnston County, NC, Jones County, NC, Lee County, NC, Lenoir County, NC, Martin County, NC, Moore County, NC, Nash County, NC, New Hanover County, NC, Northampton County, NC, Onslow County, NC, Orange County, NC, Pender County, NC, Person County, NC, Pitt County, NC, Robeson County, NC, Sampson County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Wayne County, NC, Wilson County, NC, Dillon County, SC, Horry County, SC, Marion County, SC
The radar
The Raleigh/Durham radar (KRAX), 45 km from the middle of the area, began a volume at 00:31 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
4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 7:51 PM EST | Severe Thunderstorm Warning | RAH | Harnett | 39 min |
| Feb 21, 8:01 PM EST | Severe Thunderstorm Warning | RAH | Wake | 29 min |
| Feb 21, 9:10 PM EST | Severe Thunderstorm Warning | MHX | Duplin, Lenoir | 65 min |
| Feb 21, 9:10 PM EST | Severe Thunderstorm Warning | MHX | Greene, Pitt | 65 min |
The nearest sounding before it
Newport, NC (KMHX), launched 00:00Z, 0.5 hours before the alert went out and 131 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
- 190 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 515 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 272 m²/s²
- 0-3 km storm-relative helicity
- 270 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
Nearby
Severe Thunderstorm Watches in North Carolina, 1997Severe Thunderstorm Watches in South Carolina, 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.