Alert archive / Indiana / Mesoscale Discussions in 2004

Mesoscale Discussion 990

May 30, 200410 counties in Illinois; 33 counties in Indiana; Berrien County, Michigan

The Storm Prediction Center issued this mesoscale discussion at May 30, 2004, 11:04 AM CDT for 10 counties in Illinois; 33 counties in Indiana; Berrien County, Michigan. It was in force for 116 min.

The area

The outline as issued.

The facts

Issued: May 30, 2004, 11:04 AM CDT (16:04 UTC)
Expired: May 30, 2004, 1:00 PM CDT
In force: 116 min
Issued by: the Storm Prediction Center

All 44 counties

Champaign County, IL, Cook County, IL, DeWitt County, IL, Douglas County, IL, DuPage County, IL, Iroquois County, IL, Lake County, IL, Moultrie County, IL, Piatt County, IL, Will County, IL, Benton County, IN, Blackford County, IN, Boone County, IN, Carroll County, IN, Cass County, IN, Clinton County, IN, Delaware County, IN, Fulton County, IN, Grant County, IN, Hamilton County, IN, Hancock County, IN, Howard County, IN, Huntington County, IN, Jasper County, IN, Kosciusko County, IN, LaPorte County, IN, Madison County, IN, Marion County, IN, Marshall County, IN, Miami County, IN, Montgomery County, IN, Newton County, IN, Porter County, IN, Pulaski County, IN, Saint Joseph County, IN, Starke County, IN, Tippecanoe County, IN, Tipton County, IN, Wabash County, IN, Warren County, IN, Wells County, IN, White County, IN, Whitley County, IN, Berrien County, MI

The radar

The Chicago radar (KLOT), 102 km from the middle of the area, began a volume at 15:56 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.

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

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 30, 7:40 AM CDT	Tornado Watch	SPC	Adams, Brown, Cass, Champaign, Christian, Coles and 31 more	5 hr
May 30, 9:40 AM CDT	Mesoscale Discussion	SPC	Adams, Brown, Calhoun, Cass, Greene, Hancock and 6 more	3 hr
May 30, 10:04 AM CDT	Mesoscale Discussion	SPC	Alexander, Clay, Clinton, Edwards, Franklin, Gallatin and 19 more	2 hr
May 30, 10:50 AM CDT	Tornado Watch	SPC	Adams, Brown, Hancock, McDonough, Pike	8 hr
May 30, 11:50 AM CDT	Tornado Watch	SPC	Clark, Crawford, Edgar, Edwards, Gallatin, Hardin and 7 more	7 hr
May 30, 12:13 PM CDT	Mesoscale Discussion	SPC	Carroll, Hancock, Henderson, Henry, Jo Daviess, Knox and 4 more	2 hr
May 30, 12:25 PM CDT	Tornado Watch	SPC	Bureau, Carroll, Henderson, Henry, Jo Daviess, Knox and 8 more	7 hr
May 30, 12:53 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Calhoun, Cass, Christian, Fulton and 13 more	2 hr
May 30, 1:05 PM CDT	Tornado Watch	SPC	Alexander, Bond, Calhoun, Cass, Champaign, Christian and 45 more	6 hr
May 30, 3:16 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Carroll, Cass, DeKalb, DuPage and 29 more	119 min
May 30, 4:25 PM CDT	Tornado Watch	SPC	Boone, Cook, DeKalb, DuPage, Grundy, Iroquois and 12 more	6 hr
May 30, 5:10 PM CDT	Mesoscale Discussion	SPC	Alexander, Bond, Clinton, Fayette, Jackson, Madison and 7 more	95 min
May 30, 5:36 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Carroll, Cass, Champaign, Christian and 39 more	54 min
May 30, 6:40 PM CDT	Tornado Watch	SPC	Alexander, Bond, Champaign, Christian, Clark, Clay and 41 more	6 hr
May 30, 6:55 PM CDT	Tornado Watch	SPC	Gallatin, Hardin, Lawrence, Wabash	8 hr
May 30, 3:05 PM CDT	Mesoscale Discussion	SPC	Bartholomew, Blackford, Boone, Brown, Clark, Crawford and 47 more	115 min
May 30, 3:55 PM CDT	Tornado Watch	SPC	Adams, Dearborn, Ohio, Switzerland, Union, Wayne	5 hr
May 30, 2:27 PM CDT	Mesoscale Discussion	SPC	Barry, Branch, Calhoun, Clinton, Eaton, Genesee and 16 more	93 min

Nearby

Mesoscale Discussions in Indiana, 2004 Mesoscale Discussions in Illinois, 2004 Mesoscale Discussions in Michigan, 2004 Every mesoscale discussion 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; radar from the NEXRAD Level II archive.