Alert archive / Indiana / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 309

May 27, 200428 counties in Illinois; 45 counties in Indiana; 21 counties in Ohio

The Storm Prediction Center issued this severe thunderstorm watch at May 27, 2004, 1:30 PM CDT for 28 counties in Illinois; 45 counties in Indiana; 21 counties in Ohio. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: May 27, 2004, 1:30 PM CDT (18:30 UTC)
Expired: May 27, 2004, 8:00 PM CDT
In force: 7 hr
Issued by: the Storm Prediction Center

All 94 counties

Cass County, IL, Champaign County, IL, Christian County, IL, Coles County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Ford County, IL, Fulton County, IL, Iroquois County, IL, Knox County, IL, Livingston County, IL, Logan County, IL, Macon County, IL, Marshall County, IL, Mason County, IL, McLean County, IL, Menard County, IL, Morgan County, IL, Moultrie County, IL, Peoria County, IL, Piatt County, IL, Putnam County, IL, Sangamon County, IL, Stark County, IL, Tazewell County, IL, Vermilion County, IL, Woodford County, IL, Adams County, IN, Benton County, IN, Blackford County, IN, Boone County, IN, Carroll County, IN, Cass County, IN, Clay County, IN, Clinton County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Fountain County, IN, Franklin County, IN, Grant County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Huntington County, IN, Jasper County, IN, Jay County, IN, Johnson County, IN, Madison County, IN, Marion County, IN, Miami County, IN, Montgomery County, IN, Morgan County, IN, Newton County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Tippecanoe County, IN, Tipton County, IN, Union County, IN, Vermillion County, IN, Vigo County, IN, Wabash County, IN, Warren County, IN, Wayne County, IN, Wells County, IN, White County, IN, Allen County, OH, Auglaize County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clinton County, OH, Darke County, OH, Fayette County, OH, Greene County, OH, Hamilton County, OH, Hardin County, OH, Highland County, OH, Logan County, OH, Madison County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Preble County, OH, Shelby County, OH, Van Wert County, OH, Warren County, OH

The radar

The Indianapolis radar (KIND), 135 km from the middle of the area, began a volume at 18:31 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

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

Issued	Product	Office	Counties	Lasted
May 27, 2:40 PM CDT	Severe Thunderstorm Warning	IND	Delaware	35 min
May 27, 2:52 PM CDT	Severe Thunderstorm Warning	IND	Randolph	38 min
May 27, 2:54 PM CDT	Severe Thunderstorm Warning	IND	Howard	51 min
May 27, 3:09 PM CDT	Severe Thunderstorm Warning	IND	Delaware	51 min
May 27, 3:18 PM CDT	Severe Thunderstorm Warning	IWX	Grant, Miami, Wabash	42 min
May 27, 3:27 PM CDT	Tornado Warning	IND	Randolph	48 min
May 27, 3:30 PM CDT	Severe Thunderstorm Warning	IND	Hamilton	45 min
May 27, 3:34 PM CDT	Severe Thunderstorm Warning	ILN	Wayne	41 min
May 27, 3:35 PM CDT	Tornado Warning	IND	Hamilton	40 min
May 27, 3:36 PM CDT	Severe Thunderstorm Warning	ILN	Darke	54 min
May 27, 3:49 PM CDT	Severe Thunderstorm Warning	IND	Madison	41 min
May 27, 4:00 PM CDT	Severe Thunderstorm Warning	IND	Delaware	45 min
May 27, 4:00 PM CDT	Severe Thunderstorm Warning	ILN	Preble	60 min
May 27, 4:02 PM CDT	Severe Thunderstorm Warning	IND	Clinton	43 min
May 27, 4:03 PM CDT	Severe Thunderstorm Warning	ILN	Auglaize, Shelby	42 min
May 27, 4:10 PM CDT	Severe Thunderstorm Warning	ILN	Montgomery	65 min
May 27, 4:15 PM CDT	Severe Thunderstorm Warning	ILN	Miami	60 min
May 27, 4:20 PM CDT	Tornado Warning	IND	Delaware, Henry	40 min
May 27, 4:29 PM CDT	Severe Thunderstorm Warning	IND	Tipton	31 min
May 27, 4:29 PM CDT	Severe Thunderstorm Warning	IND	Randolph	46 min
May 27, 4:30 PM CDT	Severe Thunderstorm Warning	ILN	Wayne	60 min
May 27, 4:31 PM CDT	Severe Thunderstorm Warning	ILN	Clark, Greene	59 min
May 27, 4:32 PM CDT	Severe Thunderstorm Warning	IWX	Blackford, Jay	43 min
May 27, 4:36 PM CDT	Tornado Warning	IND	Randolph	24 min
May 27, 4:47 PM CDT	Severe Thunderstorm Warning	IND	Madison	43 min
May 27, 5:00 PM CDT	Severe Thunderstorm Warning	IND	Randolph	45 min
May 27, 5:03 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Shelby	57 min
May 27, 5:03 PM CDT	Severe Thunderstorm Warning	ILN	Clinton	57 min
May 27, 5:04 PM CDT	Severe Thunderstorm Warning	ILN	Darke	56 min
May 27, 5:06 PM CDT	Severe Thunderstorm Warning	ILN	Warren	24 min
May 27, 5:10 PM CDT	Severe Thunderstorm Warning	IND	Delaware	35 min
May 27, 5:17 PM CDT	Severe Thunderstorm Warning	ILN	Fayette	58 min
May 27, 5:19 PM CDT	Severe Thunderstorm Warning	ILN	Preble	56 min
May 27, 5:31 PM CDT	Severe Thunderstorm Warning	ILN	Montgomery	59 min
May 27, 5:33 PM CDT	Tornado Warning	ILN	Fayette	27 min
May 27, 5:50 PM CDT	Flash Flood Warning	ILX	Coles	6 hr
May 27, 5:55 PM CDT	Severe Thunderstorm Warning	IND	Howard, Tipton	65 min
May 27, 5:56 PM CDT	Severe Thunderstorm Warning	ILN	Greene	64 min
May 27, 5:57 PM CDT	Severe Thunderstorm Warning	ILN	Fayette	48 min
May 27, 6:03 PM CDT	Flash Flood Warning	IND	Delaware, Randolph	117 min
May 27, 6:13 PM CDT	Severe Thunderstorm Warning	ILN	Wayne	32 min
May 27, 6:18 PM CDT	Severe Thunderstorm Warning	ILN	Clinton	57 min
May 27, 6:30 PM CDT	Severe Thunderstorm Warning	IND	Madison	45 min
May 27, 6:31 PM CDT	Severe Thunderstorm Warning	ILN	Fayette	59 min
May 27, 6:36 PM CDT	Severe Thunderstorm Warning	IND	Delaware, Randolph	54 min
May 27, 6:42 PM CDT	Severe Thunderstorm Warning	ILN	Preble	33 min
May 27, 6:47 PM CDT	Severe Thunderstorm Warning	ILN	Highland	43 min
May 27, 6:49 PM CDT	Severe Thunderstorm Warning	IND	Shelby	56 min
May 27, 7:01 PM CDT	Severe Thunderstorm Warning	ILN	Hamilton	59 min
May 27, 7:06 PM CDT	Severe Thunderstorm Warning	ILN	Montgomery	54 min
May 27, 7:17 PM CDT	Severe Thunderstorm Warning	IND	Decatur	43 min
May 27, 7:24 PM CDT	Severe Thunderstorm Warning	ILN	Highland	51 min
May 27, 7:47 PM CDT	Flash Flood Warning	ILN	Darke	118 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

Lincoln, IL (KILX), launched 12:00Z, 6.5 hours before the alert went out and 91 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: 577 J/kg
Mixed-layer CIN: -123 J/kg
Mixed-layer LCL: 465 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 119 m²/s²
0-3 km storm-relative helicity: 147 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.8

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 26, 7:57 PM CDT	Mesoscale Discussion	SPC	Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 13 more	63 min
May 26, 8:55 PM CDT	Tornado Watch	SPC	Edwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 16 more	5 hr
May 26, 9:36 PM CDT	Mesoscale Discussion	SPC	Adams, Bond, Brown, Calhoun, Cass, Christian and 25 more	54 min
May 26, 11:14 PM CDT	Mesoscale Discussion	SPC	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 17 more	2 hr
May 27, 1:53 AM CDT	Mesoscale Discussion	SPC	Christian, Clark, Clay, Coles, Crawford, Cumberland and 9 more	3 hr
May 27, 11:10 AM CDT	Mesoscale Discussion	SPC	Adams, Brown, Calhoun, Cass, Christian, DeWitt and 25 more	2 hr
May 27, 11:55 AM CDT	Severe Thunderstorm Watch	SPC	Adams, Brown, Hancock, Henderson, McDonough, Pike and 3 more	6 hr
May 27, 1:07 PM CDT	Mesoscale Discussion	SPC	Champaign, Clark, Coles, DeWitt, Douglas, Edgar and 12 more	113 min
May 27, 1:52 PM CDT	Mesoscale Discussion	SPC	Adams, Calhoun, Greene, Jersey, Macoupin, Pike and 1 more	113 min
May 27, 2:25 PM CDT	Severe Thunderstorm Watch	SPC	Bond, Calhoun, Clinton, Fayette, Franklin, Greene and 12 more	7 hr
May 27, 3:12 PM CDT	Mesoscale Discussion	SPC	Champaign, Christian, Clark, Coles, Cumberland, DeWitt and 13 more	2 hr
May 27, 3:37 PM CDT	Mesoscale Discussion	SPC	Bond, Calhoun, Clay, Clinton, Edwards, Effingham and 22 more	113 min
May 27, 4:00 PM CDT	Severe Thunderstorm Watch	SPC	Clark, Clay, Crawford, Cumberland, Edwards, Effingham and 7 more	4 hr
May 27, 5:01 PM CDT	Mesoscale Discussion	SPC	Bond, Calhoun, Clinton, Fayette, Greene, Jackson and 11 more	89 min
May 27, 6:00 PM CDT	Mesoscale Discussion	SPC	Champaign, DeWitt, Douglas, Edgar, Macon, Morgan and 4 more	90 min
May 27, 6:35 PM CDT	Mesoscale Discussion	SPC	Ohio, Switzerland	25 min
May 27, 6:55 PM CDT	Tornado Watch	SPC	Jefferson, Ohio, Switzerland	5 hr
May 27, 4:14 PM CDT	Mesoscale Discussion	SPC	Athens, Belmont, Coshocton, Delaware, Fairfield, Franklin and 22 more	91 min
May 27, 4:45 PM CDT	Severe Thunderstorm Watch	SPC	Athens, Belmont, Carroll, Coshocton, Crawford, Delaware and 30 more	5 hr
May 27, 6:13 PM CDT	Mesoscale Discussion	SPC	Athens, Belmont, Coshocton, Delaware, Fairfield, Franklin and 23 more	92 min

Nearby

Severe Thunderstorm Watches in Indiana, 2004 Severe Thunderstorm Watches in Illinois, 2004 Severe Thunderstorm Watches in Ohio, 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.