Alert archive / North Carolina / Severe Thunderstorm Watches in 1998
Severe Thunderstorm Watch 45
The Storm Prediction Center issued this severe thunderstorm watch at Feb 17, 1998, 9:30 AM EST for 4 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 17, 1998, 9:30 AM EST (14:30 UTC)
- Expired
- Feb 17, 1998, 3:00 PM EST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 61 counties
Columbia County, GA, Elbert County, GA, Hart County, GA, Lincoln County, GA, McDuffie County, GA, Oglethorpe County, GA, Richmond County, GA, Taliaferro County, GA, Warren County, GA, Wilkes County, GA, Alexander County, NC, Ashe County, NC, Avery County, NC, Buncombe County, NC, Burke County, NC, Caldwell County, NC, Catawba County, NC, Cleveland County, NC, Gaston County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Lincoln County, NC, Madison County, NC, McDowell County, NC, Mitchell County, NC, Polk County, NC, Rutherford County, NC, Transylvania County, NC, Watauga County, NC, Wilkes County, NC, Yancey County, NC, Abbeville County, SC, Aiken County, SC, Anderson County, SC, Cherokee County, SC, Chester County, SC, Edgefield County, SC, Fairfield County, SC, Greenville County, SC, Greenwood County, SC, Laurens County, SC, Lexington County, SC, McCormick County, SC, Newberry County, SC, Oconee County, SC, Pickens County, SC, Saluda County, SC, Spartanburg County, SC, Union County, SC, York County, SC, Carter County, TN, Cocke County, TN, Greene County, TN, Hamblen County, TN, Hancock County, TN, Hawkins County, TN, Johnson County, TN, Sullivan County, TN, Unicoi County, TN, Washington County, TN
Warnings issued inside it
18 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 17, 9:34 AM EST | Severe Thunderstorm Warning | GSP | Polk | 41 min |
| Feb 17, 9:40 AM EST | Severe Thunderstorm Warning | MRX | Hamblen | 40 min |
| Feb 17, 9:41 AM EST | Severe Thunderstorm Warning | GSP | Oconee | 49 min |
| Feb 17, 9:49 AM EST | Severe Thunderstorm Warning | MRX | Cocke | 56 min |
| Feb 17, 9:51 AM EST | Tornado Warning | MRX | Grainger, Hamblen | 39 min |
| Feb 17, 10:04 AM EST | Severe Thunderstorm Warning | GSP | Pickens | 41 min |
| Feb 17, 10:07 AM EST | Severe Thunderstorm Warning | FFC | Oglethorpe | 38 min |
| Feb 17, 10:08 AM EST | Severe Thunderstorm Warning | MRX | Hancock, Hawkins | 52 min |
| Feb 17, 10:13 AM EST | Severe Thunderstorm Warning | MRX | Greene | 47 min |
| Feb 17, 10:27 AM EST | Flash Flood Warning | GSP | Avery | 4 hr |
| Feb 17, 10:51 AM EST | Severe Thunderstorm Warning | MRX | Sullivan, Washington | 54 min |
| Feb 17, 10:54 AM EST | Severe Thunderstorm Warning | GSP | Greenwood | 51 min |
| Feb 17, 10:55 AM EST | Severe Thunderstorm Warning | MRX | Greene | 15 min |
| Feb 17, 11:00 AM EST | Severe Thunderstorm Warning | MRX | Hawkins | 10 min |
| Feb 17, 11:33 AM EST | Severe Thunderstorm Warning | CAE | Newberry | 42 min |
| Feb 17, 11:41 AM EST | Tornado Warning | GSP | Greenwood | 34 min |
| Feb 17, 11:42 AM EST | Flash Flood Warning | GSP | Mitchell | 5 hr |
| Feb 17, 11:45 AM EST | Tornado Warning | GSP | Laurens | 45 min |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 2.5 hours before the alert went out and 206 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 593 m above ground
- 0-6 km bulk shear
- 88 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 456 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Feb 16, 7:00 PM EST | Tornado Watch | SPC | Clay, Early | 6 hr |
| Feb 16, 11:30 PM EST | Tornado Watch | SPC | Atkinson, Bacon, Brantley, Brooks, Bryan, Camden and 13 more | 7 hr |
| Feb 17, 3:00 AM EST | Severe Thunderstorm Watch | SPC | Chattooga, Dade | 6 hr |
| Feb 17, 6:15 AM EST | Severe Thunderstorm Watch | SPC | Baldwin, Banks, Barrow, Bartow, Bibb, Butts and 61 more | 6 hr |
| Feb 17, 12:45 PM EST | Tornado Watch | SPC | Alamance, Alleghany, Anson, Cabarrus, Caswell, Chatham and 28 more | 5 hr |
Nearby
Severe Thunderstorm Watches in North Carolina, 1998Severe Thunderstorm Watches in South Carolina, 1998Severe Thunderstorm Watches in Georgia, 1998Every severe thunderstorm watch in 1998
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.