Alert archive / Tennessee / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 627
The Storm Prediction Center issued this severe thunderstorm watch at Jul 13, 2004, 8:20 PM CDT for 5 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 13, 2004, 8:20 PM CDT (01:20 UTC)
- Expired
- Jul 14, 2004, 2:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 75 counties
DeKalb County, AL, Jackson County, AL, Madison County, AL, Catoosa County, GA, Chattooga County, GA, Dade County, GA, Fannin County, GA, Gilmer County, GA, Gordon County, GA, Lumpkin County, GA, Murray County, GA, Pickens County, GA, Towns County, GA, Union County, GA, Walker County, GA, White County, GA, Whitfield County, GA, Allen County, KY, Clinton County, KY, Cumberland County, KY, McCreary County, KY, Monroe County, KY, Simpson County, KY, Wayne County, KY, Whitley County, KY, Cherokee County, NC, Clay County, NC, Graham County, NC, Anderson County, TN, Bedford County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Cannon County, TN, Clay County, TN, Coffee County, TN, Cumberland County, TN, Davidson County, TN, DeKalb County, TN, Fentress County, TN, Franklin County, TN, Grundy County, TN, Hamilton County, TN, Jackson County, TN, Knox County, TN, Lincoln County, TN, Loudon County, TN, Macon County, TN, Marion County, TN, Marshall County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Moore County, TN, Morgan County, TN, Overton County, TN, Pickett County, TN, Polk County, TN, Putnam County, TN, Rhea County, TN, Roane County, TN, Robertson County, TN, Rutherford County, TN, Scott County, TN, Sequatchie County, TN, Smith County, TN, Sumner County, TN, Trousdale County, TN, Union County, TN, Van Buren County, TN, Warren County, TN, White County, TN, Williamson County, TN, Wilson County, TN
The radar
The Northeast Alabama radar (KHTX), 140 km from the middle of the area, began a volume at 01:22 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
52 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 8:27 PM CDT | Severe Thunderstorm Warning | LMK | Adair, Cumberland, Monroe, Woodford | 63 min |
| Jul 13, 8:31 PM CDT | Tornado Warning | OHX | Sumner | 59 min |
| Jul 13, 8:43 PM CDT | Severe Thunderstorm Warning | JKL | Pulaski, Wayne | 77 min |
| Jul 13, 8:45 PM CDT | Severe Thunderstorm Warning | LMK | Clinton, Russell | 60 min |
| Jul 13, 8:47 PM CDT | Severe Thunderstorm Warning | OHX | Wilson | 58 min |
| Jul 13, 8:51 PM CDT | Severe Thunderstorm Warning | OHX | Davidson | 49 min |
| Jul 13, 8:55 PM CDT | Severe Thunderstorm Warning | OHX | Smith | 65 min |
| Jul 13, 8:55 PM CDT | Tornado Warning | OHX | Wilson | 50 min |
| Jul 13, 9:01 PM CDT | Severe Thunderstorm Warning | OHX | Clay, Jackson | 59 min |
| Jul 13, 9:11 PM CDT | Severe Thunderstorm Warning | OHX | Cannon, DeKalb, Rutherford | 79 min |
| Jul 13, 9:16 PM CDT | Severe Thunderstorm Warning | OHX | Putnam | 59 min |
| Jul 13, 9:20 PM CDT | Severe Thunderstorm Warning | OHX | Williamson | 45 min |
| Jul 13, 9:23 PM CDT | Severe Thunderstorm Warning | OHX | Overton, Pickett | 67 min |
| Jul 13, 9:28 PM CDT | Severe Thunderstorm Warning | JKL | Laurel, McCreary, Whitley | 77 min |
| Jul 13, 9:31 PM CDT | Severe Thunderstorm Warning | OHX | Fentress | 59 min |
| Jul 13, 9:31 PM CDT | Severe Thunderstorm Warning | OHX | Bedford, Coffee | 74 min |
| Jul 13, 9:32 PM CDT | Severe Thunderstorm Warning | OHX | Bedford, Coffee | 73 min |
| Jul 13, 9:36 PM CDT | Severe Thunderstorm Warning | OHX | Cumberland, White | 69 min |
| Jul 13, 9:40 PM CDT | Severe Thunderstorm Warning | OHX | Warren | 80 min |
| Jul 13, 9:46 PM CDT | Severe Thunderstorm Warning | MRX | Morgan, Scott | 29 min |
| Jul 13, 9:46 PM CDT | Severe Thunderstorm Warning | OHX | Marshall | 59 min |
| Jul 13, 9:54 PM CDT | Severe Thunderstorm Warning | HUN | Franklin, Lincoln, Moore | 51 min |
| Jul 13, 9:55 PM CDT | Severe Thunderstorm Warning | OHX | Grundy, Van Buren | 65 min |
| Jul 13, 10:01 PM CDT | Severe Thunderstorm Warning | MRX | Anderson, Campbell, Roane | 29 min |
| Jul 13, 10:04 PM CDT | Severe Thunderstorm Warning | MRX | Bledsoe, Rhea, Sequatchie | 41 min |
| Jul 13, 10:04 PM CDT | Severe Thunderstorm Warning | OHX | Williamson | 31 min |
| Jul 13, 10:26 PM CDT | Severe Thunderstorm Warning | MRX | Anderson, Campbell, Roane | 19 min |
| Jul 13, 10:29 PM CDT | Severe Thunderstorm Warning | HUN | Jackson, Madison | 61 min |
| Jul 13, 10:30 PM CDT | Severe Thunderstorm Warning | MRX | Bradley, Hamilton, McMinn, Marion, Meigs | 45 min |
| Jul 13, 10:34 PM CDT | Severe Thunderstorm Warning | MRX | Loudon | 41 min |
| Jul 13, 10:37 PM CDT | Severe Thunderstorm Warning | MRX | Claiborne, Knox, Union | 38 min |
| Jul 13, 10:43 PM CDT | Severe Thunderstorm Warning | HUN | Franklin, Lincoln | 17 min |
| Jul 13, 10:49 PM CDT | Severe Thunderstorm Warning | MRX | Blount, Monroe, Polk | 41 min |
| Jul 13, 10:51 PM CDT | Severe Thunderstorm Warning | FFC | Catoosa, Dade, Walker | 24 min |
| Jul 13, 11:11 PM CDT | Severe Thunderstorm Warning | FFC | Fannin, Murray, Whitfield | 49 min |
| Jul 13, 11:17 PM CDT | Severe Thunderstorm Warning | GSP | Graham, Swain | 58 min |
| Jul 13, 11:18 PM CDT | Severe Thunderstorm Warning | FFC | Catoosa, Dade, Walker | 27 min |
| Jul 13, 11:19 PM CDT | Severe Thunderstorm Warning | MRX | Bradley, Polk | 41 min |
| Jul 13, 11:26 PM CDT | Severe Thunderstorm Warning | MRX | Cherokee, Clay | 49 min |
| Jul 13, 11:30 PM CDT | Severe Thunderstorm Warning | HUN | Jackson, Madison | 30 min |
| Jul 13, 11:44 PM CDT | Severe Thunderstorm Warning | HUN | DeKalb | 46 min |
| Jul 13, 11:45 PM CDT | Severe Thunderstorm Warning | HUN | Jackson, Madison | 15 min |
| Jul 13, 11:55 PM CDT | Severe Thunderstorm Warning | FFC | Chattooga, Gilmer, Gordon | 50 min |
| Jul 13, 11:59 PM CDT | Severe Thunderstorm Warning | FFC | Towns, Union | 46 min |
| Jul 14, 12:03 AM CDT | Severe Thunderstorm Warning | FFC | Gilmer | 27 min |
| Jul 14, 12:14 AM CDT | Severe Thunderstorm Warning | FFC | Dawson, Lumpkin, Pickens | 46 min |
| Jul 14, 12:57 AM CDT | Severe Thunderstorm Warning | LMK | Allen | 33 min |
| Jul 14, 1:06 AM CDT | Severe Thunderstorm Warning | OHX | Clay, Macon | 24 min |
| Jul 14, 1:21 AM CDT | Severe Thunderstorm Warning | OHX | Sumner | 24 min |
| Jul 14, 1:24 AM CDT | Severe Thunderstorm Warning | OHX | Rutherford | 36 min |
| Jul 14, 1:36 AM CDT | Severe Thunderstorm Warning | OHX | Sumner, Trousdale | 24 min |
| Jul 14, 1:56 AM CDT | Severe Thunderstorm Warning | OHX | Smith, Trousdale, Wilson | 34 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 1.3 hours before the alert went out and 141 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
- 2877 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1306 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 10:21 PM CDT | Mesoscale Discussion | SPC | Blount, Cherokee, Cullman, DeKalb, Etowah, Jackson and 5 more | 114 min |
| Jul 14, 12:03 PM CDT | Mesoscale Discussion | SPC | Colbert, DeKalb, Jackson, Lauderdale, Lawrence, Limestone and 2 more | 117 min |
| Jul 14, 1:45 PM CDT | Severe Thunderstorm Watch | SPC | Colbert, DeKalb, Jackson, Lauderdale, Lawrence, Limestone and 2 more | 5 hr |
| Jul 14, 3:15 PM CDT | Severe Thunderstorm Watch | SPC | Autauga, Bibb, Blount, Calhoun, Chambers, Cherokee and 32 more | 6 hr |
| Jul 14, 3:44 PM CDT | Mesoscale Discussion | SPC | Colbert, DeKalb, Jackson, Lauderdale, Lawrence, Limestone and 2 more | 91 min |
| Jul 14, 6:23 PM CDT | Mesoscale Discussion | SPC | Autauga, Bibb, Blount, Calhoun, Chambers, Cherokee and 32 more | 97 min |
| Jul 14, 9:40 AM CDT | Severe Thunderstorm Watch | SPC | Columbia, Elbert, Franklin, Habersham, Hart, Lincoln and 4 more | 6 hr |
| Jul 13, 7:36 PM CDT | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Bath, Bell and 66 more | 114 min |
| Jul 13, 11:13 PM CDT | Mesoscale Discussion | SPC | Allen, Ballard, Barren, Butler, Caldwell, Calloway and 26 more | 2 hr |
| Jul 14, 5:17 AM CDT | Mesoscale Discussion | SPC | Allen, Barren, Clinton, Cumberland, Edmonson, Metcalfe and 3 more | 58 min |
| Jul 14, 7:35 AM CDT | Mesoscale Discussion | SPC | Avery, Buncombe, Burke, Cleveland, Graham, Haywood and 11 more | 85 min |
| Jul 14, 11:18 AM CDT | Mesoscale Discussion | SPC | Alleghany, Caswell, Rockingham, Stokes, Surry | 117 min |
| Jul 14, 5:10 PM CDT | Mesoscale Discussion | SPC | Bertie, Camden, Chowan, Edgecombe, Franklin, Gates and 11 more | 65 min |
| Jul 14, 6:00 PM CDT | Severe Thunderstorm Watch | SPC | Alamance, Bertie, Camden, Chatham, Chowan, Currituck and 22 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Tennessee, 2004Severe Thunderstorm Watches in Georgia, 2004Severe Thunderstorm Watches in Kentucky, 2004Every severe thunderstorm watch in 2004
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.