Alert archive / Missouri / Mesoscale Discussions in 2003

Mesoscale Discussion 1890

July 18, 20035 counties in Illinois; 32 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Jul 18, 2003, 7:34 PM CDT for 5 counties in Illinois; 32 counties in Missouri. It was in force for 56 min.

The area

The outline as issued.

The facts

Issued: Jul 18, 2003, 7:34 PM CDT (00:34 UTC)
Expired: Jul 18, 2003, 8:30 PM CDT
In force: 56 min
Issued by: the Storm Prediction Center

All 37 counties

Calhoun County, IL, Greene County, IL, Jersey County, IL, Monroe County, IL, Randolph County, IL, Audrain County, MO, Bollinger County, MO, Butler County, MO, Callaway County, MO, Cape Girardeau County, MO, Carter County, MO, City of Saint Louis, MO, Crawford County, MO, Dent County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Jefferson County, MO, Lincoln County, MO, Madison County, MO, Monroe County, MO, Montgomery County, MO, New Madrid County, MO, Osage County, MO, Perry County, MO, Pike County, MO, Reynolds County, MO, Ripley County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Scott County, MO, Stoddard County, MO, Warren County, MO, Washington County, MO, Wayne County, MO

The radar

The St Louis radar (KLSX), 87 km from the middle of the area, began a volume at 00:34 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.

Severe Thunderstorm Watch 762Jul 18, 7:55 PM CDT

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
Jul 18, 7:08 PM CDT	Mesoscale Discussion	SPC	Barry, Barton, Bates, Benton, Camden, Cass and 36 more	97 min
Jul 18, 7:55 PM CDT	Severe Thunderstorm Watch	SPC	Benton, Camden, Carter, Cole, Crawford, Dallas and 23 more	6 hr
Jul 18, 11:13 PM CDT	Mesoscale Discussion	SPC	Benton, Camden, Carter, Cole, Crawford, Dallas and 21 more	92 min
Jul 19, 1:27 AM CDT	Mesoscale Discussion	SPC	Camden, Christian, Dallas, Douglas, Laclede, Ozark and 3 more	63 min
Jul 19, 1:40 AM CDT	Severe Thunderstorm Watch	SPC	Camden, Christian, Dallas, Dent, Douglas, Greene and 16 more	5 hr
Jul 19, 5:41 AM CDT	Mesoscale Discussion	SPC	Howell, Oregon, Texas	94 min

Nearby

Mesoscale Discussions in Missouri, 2003 Mesoscale Discussions in Illinois, 2003 Every mesoscale discussion in 2003

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.