Alert archive / Tennessee / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 564

July 5, 2004Lauderdale County, Alabama; Cherokee County, Clay County, Graham County, North Carolina; 59 counties in Tennessee

The Storm Prediction Center issued this severe thunderstorm watch at Jul 5, 2004, 2:55 PM CDT for Lauderdale County, Alabama; Cherokee County, Clay County, Graham County, North Carolina; 59 counties in Tennessee. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Jul 5, 2004, 2:55 PM CDT (19:55 UTC)
Expired: Jul 5, 2004, 8:00 PM CDT
In force: 5 hr
Issued by: the Storm Prediction Center

All 63 counties

Lauderdale County, AL, Cherokee County, NC, Clay County, NC, Graham County, NC, Anderson County, TN, Bedford County, TN, Benton County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Cannon County, TN, Cheatham County, TN, Claiborne County, TN, Clay County, TN, Coffee County, TN, Cumberland County, TN, Davidson County, TN, DeKalb County, TN, Dickson County, TN, Fentress County, TN, Franklin County, TN, Giles County, TN, Grundy County, TN, Hamilton County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Knox County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Loudon County, TN, Marion County, TN, Marshall County, TN, Maury County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Moore County, TN, Morgan County, TN, Overton County, TN, Perry County, TN, Pickett County, TN, Polk County, TN, Putnam County, TN, Rhea County, TN, Roane County, TN, Rutherford County, TN, Scott County, TN, Sequatchie County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Union County, TN, Van Buren County, TN, Warren County, TN, Wayne County, TN, White County, TN, Williamson County, TN, Wilson County, TN

The radar

The Nashville radar (KOHX), 46 km from the middle of the area, began a volume at 19:57 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

30 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Jul 5, 2:55 PM CDT	Severe Thunderstorm Warning	OHX	Jackson	35 min
Jul 5, 3:00 PM CDT	Severe Thunderstorm Warning	OHX	Davidson	45 min
Jul 5, 3:04 PM CDT	Severe Thunderstorm Warning	OHX	Trousdale	26 min
Jul 5, 3:12 PM CDT	Severe Thunderstorm Warning	OHX	Clay, Macon, Smith	33 min
Jul 5, 3:17 PM CDT	Severe Thunderstorm Warning	OHX	Putnam	13 min
Jul 5, 3:30 PM CDT	Severe Thunderstorm Warning	OHX	DeKalb, Jackson, Putnam, Smith	30 min
Jul 5, 3:32 PM CDT	Severe Thunderstorm Warning	OHX	White	28 min
Jul 5, 3:42 PM CDT	Severe Thunderstorm Warning	OHX	Pickett	33 min
Jul 5, 3:54 PM CDT	Severe Thunderstorm Warning	OHX	Putnam	51 min
Jul 5, 4:00 PM CDT	Severe Thunderstorm Warning	OHX	DeKalb	60 min
Jul 5, 4:06 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, Fentress, Overton, Putnam, White	39 min
Jul 5, 4:12 PM CDT	Severe Thunderstorm Warning	OHX	Cannon	63 min
Jul 5, 4:17 PM CDT	Flash Flood Warning	OHX	Putnam	118 min
Jul 5, 4:18 PM CDT	Severe Thunderstorm Warning	MRX	Morgan, Roane	87 min
Jul 5, 4:20 PM CDT	Flash Flood Warning	MRX	Roane	3 hr
Jul 5, 4:22 PM CDT	Flash Flood Warning	OHX	Pickett	113 min
Jul 5, 4:28 PM CDT	Severe Thunderstorm Warning	MRX	Knox	62 min
Jul 5, 4:38 PM CDT	Severe Thunderstorm Warning	MRX	Union	37 min
Jul 5, 4:42 PM CDT	Severe Thunderstorm Warning	MRX	Blount	78 min
Jul 5, 4:43 PM CDT	Flash Flood Warning	OHX	Cumberland	2 hr
Jul 5, 4:48 PM CDT	Severe Thunderstorm Warning	MRX	Anderson	27 min
Jul 5, 4:50 PM CDT	Severe Thunderstorm Warning	MRX	Loudon	55 min
Jul 5, 4:51 PM CDT	Severe Thunderstorm Warning	OHX	Grundy, Warren	24 min
Jul 5, 4:53 PM CDT	Severe Thunderstorm Warning	MRX	Campbell, Scott	67 min
Jul 5, 5:13 PM CDT	Flash Flood Warning	MRX	Blount, Loudon	3 hr
Jul 5, 5:23 PM CDT	Severe Thunderstorm Warning	MRX	Monroe	52 min
Jul 5, 5:28 PM CDT	Severe Thunderstorm Warning	MRX	Claiborne, Union	62 min
Jul 5, 5:52 PM CDT	Severe Thunderstorm Warning	GSP	Graham, Swain	53 min
Jul 5, 6:10 PM CDT	Severe Thunderstorm Warning	MRX	Bradley, Polk	50 min
Jul 5, 6:34 PM CDT	Severe Thunderstorm Warning	MRX	Cherokee, Clay	41 min

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 7.9 hours before the alert went out and 37 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2320 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 581 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 187 m²/s²
0-3 km storm-relative helicity: 217 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 5, 5:20 PM CDT	Severe Thunderstorm Watch	SPC	Alexander, Alleghany, Ashe, Avery, Buncombe, Burke and 19 more	5 hr

Nearby

Severe Thunderstorm Watches in Tennessee, 2004 Severe Thunderstorm Watches in North Carolina, 2004 Severe Thunderstorm Watches in Alabama, 2004 Every 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.