Alert archive / Tennessee / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 817
The Storm Prediction Center issued this severe thunderstorm watch at Dec 16, 2000, 7:00 PM EST for Cherokee County, Graham County, Swain County, North Carolina; 28 counties in Tennessee; City of Bristol, Virginia. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Dec 16, 2000, 7:00 PM EST (00:00 UTC)
- Expired
- Dec 16, 2000, 11:00 PM EST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 32 counties
Cherokee County, NC, Graham County, NC, Swain County, NC, Anderson County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Claiborne County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hamilton County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Knox County, TN, Loudon County, TN, Marion County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Polk County, TN, Rhea County, TN, Roane County, TN, Sequatchie County, TN, Sevier County, TN, Sullivan County, TN, Union County, TN, Washington County, TN, City of Bristol, VA
The radar
The Knoxville radar (KMRX), 105 km from the middle of the area, began a volume at 00:02 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
6 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 16, 7:19 PM EST | Severe Thunderstorm Warning | MRX | Roane | 45 min |
| Dec 16, 7:25 PM EST | Severe Thunderstorm Warning | MRX | Bradley | 45 min |
| Dec 16, 7:39 PM EST | Severe Thunderstorm Warning | MRX | Anderson, Knox, Loudon | 40 min |
| Dec 16, 7:39 PM EST | Severe Thunderstorm Warning | MRX | Campbell | 40 min |
| Dec 16, 7:41 PM EST | Severe Thunderstorm Warning | MRX | Polk | 60 min |
| Dec 16, 8:32 PM EST | Severe Thunderstorm Warning | MRX | Claiborne, Hancock | 45 min |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 0.0 hours before the alert went out and 204 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
- 40 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 610 m above ground
- 0-6 km bulk shear
- 102 kt
- 0-1 km storm-relative helicity
- -179 m²/s²
- 0-3 km storm-relative helicity
- -241 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 |
|---|---|---|---|---|
| Dec 16, 11:00 PM EST | Tornado Watch | SPC | Bladen, Brunswick, Columbus, New Hanover, Onslow, Pender and 1 more | 6 hr |
| Dec 17, 12:30 AM EST | Tornado Watch | SPC | Anson, Beaufort, Bertie, Camden, Carteret, Chatham and 42 more | 7 hr |
| Dec 17, 7:00 AM EST | Tornado Watch | SPC | Bertie, Camden, Chowan, Currituck, Gates, Hertford and 3 more | 5 hr |
| Dec 17, 2:15 AM EST | Tornado Watch | SPC | Accomack, Caroline, Charles City, Chesterfield, Dinwiddie, Essex and 26 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Tennessee, 2000Severe Thunderstorm Watches in North Carolina, 2000Severe Thunderstorm Watches in Virginia, 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.