Alert archive / Kentucky / Severe Thunderstorm Watches in 2001

Severe Thunderstorm Watch 504

July 4, 20015 states

The Storm Prediction Center issued this severe thunderstorm watch at Jul 4, 2001, 12:45 PM CDT for 5 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Jul 4, 2001, 12:45 PM CDT (17:45 UTC)
Expired: Jul 4, 2001, 6:00 PM CDT
In force: 5 hr
Issued by: the Storm Prediction Center

All 102 counties

Adair County, KY, Allen County, KY, Barren County, KY, Bell County, KY, Breathitt County, KY, Casey County, KY, Clay County, KY, Clinton County, KY, Cumberland County, KY, Floyd County, KY, Green County, KY, Harlan County, KY, Hart County, KY, Jackson County, KY, Knott County, KY, Knox County, KY, Larue County, KY, Laurel County, KY, Leslie County, KY, Letcher County, KY, Lincoln County, KY, Marion County, KY, McCreary County, KY, Metcalfe County, KY, Monroe County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Pulaski County, KY, Rockcastle County, KY, Russell County, KY, Taylor County, KY, Wayne County, KY, Whitley County, KY, Alleghany County, NC, Ashe County, NC, Avery County, NC, Caldwell County, NC, Mitchell County, NC, Watauga County, NC, Wilkes County, NC, Anderson County, TN, Campbell County, TN, Carter County, TN, Claiborne County, TN, Clay County, TN, Cumberland County, TN, Davidson County, TN, DeKalb County, TN, Fentress County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hancock County, TN, Hawkins County, TN, Jackson County, TN, Jefferson County, TN, Johnson County, TN, Knox County, TN, Macon County, TN, Morgan County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN, Scott County, TN, Smith County, TN, Sullivan County, TN, Sumner County, TN, Trousdale County, TN, Unicoi County, TN, Union County, TN, Washington County, TN, Wilson County, TN, Bland County, VA, Botetourt County, VA, Buchanan County, VA, Carroll County, VA, City of Bristol, VA, City of Galax, VA, City of Norton, VA, City of Radford, VA, City of Roanoke, VA, City of Salem, VA, Craig County, VA, Dickenson County, VA, Floyd County, VA, Giles County, VA, Grayson County, VA, Lee County, VA, Montgomery County, VA, Pulaski County, VA, Roanoke County, VA, Russell County, VA, Scott County, VA, Smyth County, VA, Tazewell County, VA, Washington County, VA, Wise County, VA, Wythe County, VA, McDowell County, WV, Mercer County, WV, Monroe County, WV

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jul 4, 12:54 PM CDT	Tornado Warning	JKL	Pulaski	51 min
Jul 4, 12:55 PM CDT	Severe Thunderstorm Warning	LMK	Casey, Lincoln	35 min
Jul 4, 1:02 PM CDT	Severe Thunderstorm Warning	LMK	Allen, Barren	28 min
Jul 4, 1:14 PM CDT	Severe Thunderstorm Warning	LMK	Russell	31 min
Jul 4, 1:20 PM CDT	Severe Thunderstorm Warning	LMK	Clinton, Cumberland, Monroe	45 min
Jul 4, 1:33 PM CDT	Severe Thunderstorm Warning	OHX	Sumner	27 min
Jul 4, 1:44 PM CDT	Tornado Warning	JKL	Laurel, Pulaski	61 min
Jul 4, 1:52 PM CDT	Severe Thunderstorm Warning	OHX	Jackson, Smith	23 min
Jul 4, 1:55 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Robertson	35 min
Jul 4, 2:11 PM CDT	Severe Thunderstorm Warning	OHX	Jackson, Macon, Smith	34 min
Jul 4, 2:22 PM CDT	Severe Thunderstorm Warning	OHX	Wilson	23 min
Jul 4, 2:26 PM CDT	Severe Thunderstorm Warning	JKL	Knox	49 min
Jul 4, 2:30 PM CDT	Severe Thunderstorm Warning	MRX	Lee	45 min
Jul 4, 2:43 PM CDT	Severe Thunderstorm Warning	MRX	Campbell, Claiborne, Union	47 min
Jul 4, 2:44 PM CDT	Flash Flood Warning	JKL	Knox, Laurel	3 hr
Jul 4, 2:58 PM CDT	Severe Thunderstorm Warning	MRX	Hancock, Hawkins	47 min
Jul 4, 3:00 PM CDT	Severe Thunderstorm Warning	OHX	Putnam, White	30 min
Jul 4, 3:06 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, Rutherford, Wilson	24 min
Jul 4, 3:23 PM CDT	Severe Thunderstorm Warning	MRX	Grainger	52 min
Jul 4, 3:29 PM CDT	Severe Thunderstorm Warning	MRX	Anderson, Morgan	46 min
Jul 4, 3:36 PM CDT	Severe Thunderstorm Warning	MRX	Hamblen, Jefferson	39 min
Jul 4, 3:36 PM CDT	Severe Thunderstorm Warning	MRX	Knox	39 min
Jul 4, 3:37 PM CDT	Severe Thunderstorm Warning	OHX	DeKalb, White	23 min
Jul 4, 3:49 PM CDT	Severe Thunderstorm Warning	MRX	Sullivan, Washington	41 min
Jul 4, 3:55 PM CDT	Severe Thunderstorm Warning	MRX	Cocke, Greene	65 min
Jul 4, 4:08 PM CDT	Severe Thunderstorm Warning	MRX	Carter, Unicoi	52 min
Jul 4, 4:08 PM CDT	Severe Thunderstorm Warning	MRX	Johnson	52 min

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 5.8 hours before the alert went out and 218 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: 1372 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 682 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 131 m²/s²
0-3 km storm-relative helicity: 116 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 5.0

Open this sounding in Storm Lab

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
Jul 4, 12:45 PM CDT	Severe Thunderstorm Watch	SPC	Adair, Allen, Barren, Bell, Breathitt, Casey and 28 more	5 hr
Jul 4, 3:30 PM CDT	Severe Thunderstorm Watch	SPC	Buncombe, Burke, Caldwell, Cherokee, Clay, Graham and 10 more	6 hr
Jul 4, 6:30 PM CDT	Severe Thunderstorm Watch	SPC	Anson, Cabarrus, Cleveland, Gaston, Harnett, Lee and 8 more	6 hr

Nearby

Severe Thunderstorm Watches in Kentucky, 2001 Severe Thunderstorm Watches in Tennessee, 2001 Severe Thunderstorm Watches in Virginia, 2001 Every severe thunderstorm watch in 2001

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.