Alert archive / Illinois / Mesoscale Discussions in 2004

Mesoscale Discussion 531

May 1, 20044 states

The Storm Prediction Center issued this mesoscale discussion at May 1, 2004, 12:59 AM CDT for 4 states. It was in force for 91 min.

The area

The outline as issued.

The facts

Issued: May 1, 2004, 12:59 AM CDT (05:59 UTC)
Expired: May 1, 2004, 2:30 AM CDT
In force: 91 min
Issued by: the Storm Prediction Center

All 53 counties

Alexander County, IL, Clinton County, IL, Edwards County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jefferson County, IL, Johnson County, IL, Lawrence County, IL, Marion County, IL, Perry County, IL, Pulaski County, IL, Randolph County, IL, Richland County, IL, Saint Clair County, IL, Saline County, IL, Union County, IL, Wabash County, IL, Washington County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Crawford County, IN, Daviess County, IN, Dubois County, IN, Gibson County, IN, Knox County, IN, Martin County, IN, Orange County, IN, Perry County, IN, Pike County, IN, Posey County, IN, Spencer County, IN, Vanderburgh County, IN, Warrick County, IN, Washington County, IN, Henderson County, KY, Union County, KY, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Carter County, MO, Iron County, MO, Madison County, MO, Perry County, MO, Ripley County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Scott County, MO, Stoddard County, MO, Wayne County, MO

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 1, 12:36 PM CDT	Mesoscale Discussion	SPC	Gallatin, Hardin	114 min
Apr 30, 7:59 PM CDT	Mesoscale Discussion	SPC	Crawford, Floyd, Harrison, Jackson, Lawrence, Orange and 1 more	61 min
May 1, 1:48 PM CDT	Mesoscale Discussion	SPC	Greenup	117 min
Apr 30, 7:06 PM CDT	Mesoscale Discussion	SPC	Barry, McDonald, Newton, Stone	114 min
Apr 30, 9:05 PM CDT	Severe Thunderstorm Watch	SPC	McDonald, Newton	5 hr
Apr 30, 11:45 PM CDT	Mesoscale Discussion	SPC	McDonald, Newton	90 min

Nearby

Mesoscale Discussions in Illinois, 2004 Mesoscale Discussions in Indiana, 2004 Mesoscale Discussions in Missouri, 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.