Alert archive / North Carolina / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 318
The Storm Prediction Center issued this severe thunderstorm watch at May 20, 2000, 4:30 PM EDT for 4 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 20, 2000, 4:30 PM EDT (20:30 UTC)
- Expired
- May 20, 2000, 10:00 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 67 counties
Banks County, GA, Bartow County, GA, Catoosa County, GA, Chattooga County, GA, Cherokee County, GA, Dawson County, GA, Fannin County, GA, Floyd County, GA, Forsyth County, GA, Gilmer County, GA, Gordon County, GA, Habersham County, GA, Hall County, GA, Haralson County, GA, Lumpkin County, GA, Murray County, GA, Paulding County, GA, Pickens County, GA, Polk County, GA, Rabun County, GA, Stephens County, GA, Towns County, GA, Union County, GA, Walker County, GA, White County, GA, Whitfield County, GA, Alexander County, NC, Alleghany County, NC, Avery County, NC, Buncombe County, NC, Burke County, NC, Caldwell County, NC, Catawba County, NC, Cherokee County, NC, Clay County, NC, Cleveland County, NC, Gaston County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Iredell County, NC, Jackson County, NC, Lincoln County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mecklenburg County, NC, Mitchell County, NC, Polk County, NC, Rutherford County, NC, Surry County, NC, Swain County, NC, Transylvania County, NC, Watauga County, NC, Wilkes County, NC, Yadkin County, NC, Yancey County, NC, Cherokee County, SC, Greenville County, SC, Oconee County, SC, Pickens County, SC, Spartanburg County, SC, Bradley County, TN, Hamilton County, TN, Monroe County, TN, Polk County, TN, Unicoi County, TN
The radar
The Knoxville radar (KMRX), 107 km from the middle of the area, began a volume at 20:31 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
10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 4:31 PM EDT | Severe Thunderstorm Warning | FFC | Polk | 29 min |
| May 20, 4:47 PM EDT | Severe Thunderstorm Warning | FFC | Fannin, Gilmer | 28 min |
| May 20, 5:03 PM EDT | Severe Thunderstorm Warning | FFC | Bartow, Polk | 27 min |
| May 20, 5:11 PM EDT | Severe Thunderstorm Warning | GSP | Burke | 49 min |
| May 20, 5:18 PM EDT | Severe Thunderstorm Warning | GSP | Alexander, Catawba | 42 min |
| May 20, 5:28 PM EDT | Severe Thunderstorm Warning | FFC | Bartow | 32 min |
| May 20, 5:42 PM EDT | Severe Thunderstorm Warning | FFC | Cherokee | 48 min |
| May 20, 5:48 PM EDT | Severe Thunderstorm Warning | GSP | Iredell | 42 min |
| May 20, 6:55 PM EDT | Severe Thunderstorm Warning | FFC | Fannin, Gilmer | 35 min |
| May 20, 8:13 PM EDT | Severe Thunderstorm Warning | FFC | Carroll, Haralson | 32 min |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.5 hours before the alert went out and 225 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
- 143 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 905 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 3 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 |
|---|---|---|---|---|
| May 20, 5:30 PM EDT | Severe Thunderstorm Watch | SPC | Alamance, Caswell, Chatham, Davidson, Durham, Forsyth and 14 more | 6 hr |
| May 20, 7:00 PM EDT | Severe Thunderstorm Watch | SPC | Bertie, Camden, Chowan, Gates, Hertford, Hyde and 6 more | 5 hr |
Nearby
Severe Thunderstorm Watches in North Carolina, 2000Severe Thunderstorm Watches in Georgia, 2000Severe Thunderstorm Watches in South Carolina, 2000Every severe thunderstorm watch in 2000
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.