Alert archive / Illinois / Mesoscale Discussions in 2019

Mesoscale Discussion 174

March 9, 20194 states

The Storm Prediction Center issued this mesoscale discussion at Mar 9, 2019, 3:17 PM CST for 4 states. It was in force for 118 min.

The area

The outline as issued.

The facts

Issued: Mar 9, 2019, 3:17 PM CST (21:17 UTC)
Expired: Mar 9, 2019, 5:15 PM CST
In force: 118 min
Issued by: the Storm Prediction Center
Chance of a watch: 40%

All 60 counties

Alexander County, IL, Bond County, IL, Calhoun County, IL, Christian County, IL, Clark County, IL, Clay County, IL, Clinton County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, Edwards County, IL, Effingham County, IL, Fayette County, IL, Franklin County, IL, Gallatin County, IL, Greene County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jasper County, IL, Jefferson County, IL, Jersey County, IL, Johnson County, IL, Lawrence County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Massac County, IL, Monroe County, IL, Montgomery County, IL, Moultrie County, IL, Perry County, IL, Pope County, IL, Pulaski County, IL, Randolph County, IL, Richland County, IL, Saint Clair County, IL, Saline County, IL, Shelby County, IL, Union County, IL, Wabash County, IL, Washington County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Gibson County, IN, Posey County, IN, Vanderburgh County, IN, Ballard County, KY, Union County, KY, Bollinger County, MO, Cape Girardeau County, MO, City of Saint Louis, MO, Jefferson County, MO, Lincoln County, MO, Perry County, MO, Saint Charles County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Scott County, MO

The radar

The St Louis radar (KLSX), 117 km from the middle of the area, began a volume at 21:20 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 text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 9, 9:45 AM CST	Mesoscale Discussion	SPC	Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 2 more	3 hr
Mar 9, 1:27 PM CST	Mesoscale Discussion	SPC	Alexander, Hardin, Johnson, Massac, Pope, Pulaski	2 hr
Mar 9, 1:58 AM CST	Mesoscale Discussion	SPC	Barry, Barton, Bates, Benton, Camden, Cedar and 23 more	92 min
Mar 9, 2:31 AM CST	Severe Thunderstorm Watch	SPC	Barry, Barton, Bates, Benton, Camden, Cedar and 30 more	7 hr
Mar 9, 4:45 AM CST	Mesoscale Discussion	SPC	Barry, Barton, Benton, Camden, Cedar, Christian and 26 more	60 min
Mar 9, 6:58 AM CST	Mesoscale Discussion	SPC	Butler, Dunklin, Pemiscot, Ripley	2 hr
Mar 9, 10:32 AM CST	Tornado Watch	SPC	Dunklin, Pemiscot	8 hr

Nearby

Mesoscale Discussions in Illinois, 2019 Mesoscale Discussions in Missouri, 2019 Mesoscale Discussions in Indiana, 2019 Every mesoscale discussion in 2019

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.