Alert archive / Kentucky / Tornado Watches in 2004

Tornado Watch 315

May 27, 20044 states

The Storm Prediction Center issued this tornado watch at May 27, 2004, 6:55 PM EST for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: May 27, 2004, 6:55 PM EST (23:55 UTC)
Expired: May 28, 2004, 12:00 AM EST
In force: 5 hr
Issued by: the Storm Prediction Center

All 73 counties

Jefferson County, IN, Ohio County, IN, Switzerland County, IN, Anderson County, KY, Bath County, KY, Boone County, KY, Bourbon County, KY, Boyd County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Carter County, KY, Clark County, KY, Elliott County, KY, Fayette County, KY, Fleming County, KY, Franklin County, KY, Gallatin County, KY, Grant County, KY, Greenup County, KY, Harrison County, KY, Henry County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Montgomery County, KY, Nicholas County, KY, Oldham County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Rowan County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Trimble County, KY, Woodford County, KY, Adams County, OH, Athens County, OH, Brown County, OH, Clermont County, OH, Gallia County, OH, Jackson County, OH, Lawrence County, OH, Meigs County, OH, Pike County, OH, Scioto County, OH, Vinton County, OH, Barbour County, WV, Braxton County, WV, Cabell County, WV, Calhoun County, WV, Clay County, WV, Doddridge County, WV, Gilmer County, WV, Harrison County, WV, Jackson County, WV, Kanawha County, WV, Lewis County, WV, Marion County, WV, Mason County, WV, Pleasants County, WV, Preston County, WV, Putnam County, WV, Randolph County, WV, Ritchie County, WV, Roane County, WV, Taylor County, WV, Tyler County, WV, Upshur County, WV, Webster County, WV, Wirt County, WV, Wood County, WV

The radar

The Cincinnati radar (KILN), 90 km from the middle of the area, began a volume at 23:56 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

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

Issued	Product	Office	Counties	Lasted
May 27, 7:03 PM EST	Severe Thunderstorm Warning	ILN	Switzerland	42 min
May 27, 7:03 PM EST	Tornado Warning	RLX	Calhoun	42 min
May 27, 7:06 PM EST	Severe Thunderstorm Warning	RLX	Gallia, Meigs, Vinton	39 min
May 27, 7:07 PM EST	Tornado Warning	LMK	Oldham	38 min
May 27, 7:08 PM EST	Severe Thunderstorm Warning	ILN	Clermont	52 min
May 27, 7:11 PM EST	Severe Thunderstorm Warning	ILN	Pike	64 min
May 27, 7:19 PM EST	Severe Thunderstorm Warning	ILN	Brown	56 min
May 27, 7:20 PM EST	Severe Thunderstorm Warning	RLX	Braxton, Gilmer	40 min
May 27, 7:23 PM EST	Severe Thunderstorm Warning	RLX	Harrison	37 min
May 27, 7:32 PM EST	Severe Thunderstorm Warning	RLX	Mason	43 min
May 27, 7:36 PM EST	Flash Flood Warning	ILN	Pike	114 min
May 27, 7:39 PM EST	Severe Thunderstorm Warning	LMK	Henry	51 min
May 27, 7:40 PM EST	Tornado Warning	RLX	Ritchie, Wirt	35 min
May 27, 7:41 PM EST	Flash Flood Warning	RLX	Gallia	3 hr
May 27, 7:46 PM EST	Severe Thunderstorm Warning	RLX	Gallia	29 min
May 27, 7:49 PM EST	Severe Thunderstorm Warning	ILN	Scioto	26 min
May 27, 7:50 PM EST	Severe Thunderstorm Warning	LMK	Shelby	40 min
May 27, 7:53 PM EST	Severe Thunderstorm Warning	LMK	Oldham	37 min
May 27, 7:54 PM EST	Tornado Warning	LMK	Henry	36 min
May 27, 7:55 PM EST	Flash Flood Warning	ILN	Dearborn, Ohio, Ripley, Switzerland	50 min
May 27, 7:55 PM EST	Severe Thunderstorm Warning	ILN	Owen	65 min
May 27, 7:56 PM EST	Severe Thunderstorm Warning	RLX	Jackson, Lawrence	34 min
May 27, 7:57 PM EST	Flash Flood Warning	ILN	Owen	4 hr
May 27, 7:58 PM EST	Tornado Warning	LMK	Henry	32 min
May 27, 7:58 PM EST	Severe Thunderstorm Warning	RLX	Braxton, Webster	47 min
May 27, 8:00 PM EST	Flash Flood Warning	ILN	Scioto	2 hr
May 27, 8:05 PM EST	Flash Flood Warning	LMK	Henry, Oldham	115 min
May 27, 8:11 PM EST	Severe Thunderstorm Warning	RLX	Calhoun, Gilmer	34 min
May 27, 8:13 PM EST	Severe Thunderstorm Warning	RLX	Gallia	47 min
May 27, 8:18 PM EST	Severe Thunderstorm Warning	LMK	Bullitt, Spencer	57 min
May 27, 8:19 PM EST	Severe Thunderstorm Warning	RLX	Jackson	41 min
May 27, 8:20 PM EST	Flash Flood Warning	RLX	Jackson, Mason	3 hr
May 27, 8:24 PM EST	Tornado Warning	ILN	Owen	66 min
May 27, 8:31 PM EST	Severe Thunderstorm Warning	RLX	Randolph	44 min
May 27, 8:33 PM EST	Severe Thunderstorm Warning	LMK	Franklin, Shelby	42 min
May 27, 8:35 PM EST	Severe Thunderstorm Warning	RLX	Mason	40 min
May 27, 8:38 PM EST	Tornado Warning	LMK	Scott	37 min
May 27, 8:41 PM EST	Flash Flood Warning	JKL	Bath, Elliott, Fleming, Menifee, Montgomery, Morgan and 1 more	6 hr
May 27, 8:43 PM EST	Flash Flood Warning	ILN	Grant, Pendleton	92 min
May 27, 8:54 PM EST	Severe Thunderstorm Warning	RLX	Jackson	36 min
May 27, 8:57 PM EST	Severe Thunderstorm Warning	RLX	Roane	33 min
May 27, 9:02 PM EST	Severe Thunderstorm Warning	RLX	Webster	43 min
May 27, 9:05 PM EST	Severe Thunderstorm Warning	LMK	Fayette, Woodford	55 min
May 27, 9:10 PM EST	Severe Thunderstorm Warning	RLX	Putnam	35 min
May 27, 9:13 PM EST	Severe Thunderstorm Warning	LMK	Bourbon, Harrison	47 min
May 27, 9:17 PM EST	Severe Thunderstorm Warning	RLX	Kanawha	58 min
May 27, 9:26 PM EST	Tornado Warning	LMK	Fayette	34 min
May 27, 9:30 PM EST	Flash Flood Warning	ILN	Pike	3 hr
May 27, 9:33 PM EST	Severe Thunderstorm Warning	LMK	Clark	47 min
May 27, 9:36 PM EST	Severe Thunderstorm Warning	RLX	Pocahontas, Randolph	39 min
May 27, 9:38 PM EST	Flash Flood Warning	ILN	Ohio, Ripley, Switzerland	2 hr
May 27, 9:39 PM EST	Severe Thunderstorm Warning	JKL	Montgomery	51 min
May 27, 9:52 PM EST	Flash Flood Warning	ILN	Scioto	4 hr
May 27, 10:16 PM EST	Flash Flood Warning	PBZ	Preston	3 hr
May 27, 10:54 PM EST	Flash Flood Warning	RLX	Gallia	4 hr

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.9 hours before the alert went out and 90 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: 97 J/kg
Mixed-layer CIN: -177 J/kg
Mixed-layer LCL: 587 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 264 m²/s²
0-3 km storm-relative helicity: 295 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 26, 8:55 PM EST	Tornado Watch	SPC	Gibson, Pike, Posey, Vanderburgh, Warrick	5 hr
May 26, 11:14 PM EST	Mesoscale Discussion	SPC	Gibson, Pike, Posey, Vanderburgh, Warrick	2 hr
May 27, 1:53 AM EST	Mesoscale Discussion	SPC	Bartholomew, Brown, Clark, Clay, Daviess, Floyd and 17 more	3 hr
May 27, 1:07 PM EST	Mesoscale Discussion	SPC	Bartholomew, Boone, Brown, Clay, Dearborn, Decatur and 28 more	113 min
May 27, 1:30 PM EST	Severe Thunderstorm Watch	SPC	Adams, Benton, Blackford, Boone, Carroll, Cass and 39 more	7 hr
May 27, 3:12 PM EST	Mesoscale Discussion	SPC	Bartholomew, Benton, Boone, Brown, Clay, Clinton and 29 more	2 hr
May 27, 3:37 PM EST	Mesoscale Discussion	SPC	Gibson, Posey	113 min
May 27, 4:00 PM EST	Severe Thunderstorm Watch	SPC	Bartholomew, Brown, Clark, Crawford, Daviess, Dubois and 18 more	4 hr
May 27, 6:00 PM EST	Mesoscale Discussion	SPC	Adams, Benton, Blackford, Boone, Carroll, Cass and 34 more	90 min
May 27, 6:35 PM EST	Mesoscale Discussion	SPC	Ohio, Switzerland	25 min
May 26, 7:57 PM EST	Mesoscale Discussion	SPC	Allen, Ballard, Butler, Caldwell, Calloway, Carlisle and 24 more	63 min
May 27, 6:22 PM EST	Mesoscale Discussion	SPC	Anderson, Bath, Bourbon, Carroll, Clark, Fayette and 16 more	53 min
May 27, 4:14 PM EST	Mesoscale Discussion	SPC	Athens, Belmont, Coshocton, Delaware, Fairfield, Franklin and 22 more	91 min
May 27, 4:45 PM EST	Severe Thunderstorm Watch	SPC	Athens, Belmont, Carroll, Coshocton, Crawford, Delaware and 30 more	5 hr
May 27, 6:13 PM EST	Mesoscale Discussion	SPC	Athens, Belmont, Coshocton, Delaware, Fairfield, Franklin and 23 more	92 min
May 27, 2:07 PM EST	Mesoscale Discussion	SPC	Berkeley, Hampshire, Hardy, Jefferson, Morgan	113 min

Nearby

Tornado Watches in Kentucky, 2004 Tornado Watches in West Virginia, 2004 Tornado Watches in Ohio, 2004 Every tornado 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.