Alert archive / Iowa / Tornado Watches in 2023

Tornado Watch 93

March 31, 20234 states

The Storm Prediction Center issued this tornado watch at Mar 31, 2023, 11:46 AM CDT for 4 states. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: Mar 31, 2023, 11:46 AM CDT (16:46 UTC)
Expired: Mar 31, 2023, 8:00 PM CDT
In force: 8 hr
Issued by: the Storm Prediction Center
Particularly dangerous situation: Yes
Largest hail expected: 3 in
Strongest gust expected: 60 kt

All 159 counties

Adair County, IA, Adams County, IA, Allamakee County, IA, Appanoose County, IA, Benton County, IA, Black Hawk County, IA, Boone County, IA, Bremer County, IA, Buchanan County, IA, Butler County, IA, Cedar County, IA, Cerro Gordo County, IA, Chickasaw County, IA, Clarke County, IA, Clayton County, IA, Clinton County, IA, Dallas County, IA, Davis County, IA, Decatur County, IA, Delaware County, IA, Des Moines County, IA, Dubuque County, IA, Fayette County, IA, Floyd County, IA, Franklin County, IA, Greene County, IA, Grundy County, IA, Guthrie County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Henry County, IA, Howard County, IA, Humboldt County, IA, Iowa County, IA, Jackson County, IA, Jasper County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Lee County, IA, Linn County, IA, Louisa County, IA, Lucas County, IA, Madison County, IA, Mahaska County, IA, Marion County, IA, Marshall County, IA, Mitchell County, IA, Monroe County, IA, Muscatine County, IA, Polk County, IA, Poweshiek County, IA, Ringgold County, IA, Scott County, IA, Story County, IA, Tama County, IA, Taylor County, IA, Union County, IA, Van Buren County, IA, Wapello County, IA, Warren County, IA, Washington County, IA, Wayne County, IA, Webster County, IA, Winnebago County, IA, Winneshiek County, IA, Worth County, IA, Wright County, IA, Adams County, IL, Brown County, IL, Bureau County, IL, Calhoun County, IL, Carroll County, IL, Cass County, IL, Christian County, IL, DeWitt County, IL, Fulton County, IL, Greene County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, Jersey County, IL, Jo Daviess County, IL, Knox County, IL, Logan County, IL, Macon County, IL, Macoupin County, IL, Marshall County, IL, Mason County, IL, McDonough County, IL, McLean County, IL, Menard County, IL, Mercer County, IL, Morgan County, IL, Moultrie County, IL, Peoria County, IL, Piatt County, IL, Pike County, IL, Putnam County, IL, Rock Island County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Shelby County, IL, Stark County, IL, Stephenson County, IL, Tazewell County, IL, Warren County, IL, Whiteside County, IL, Woodford County, IL, Adair County, MO, Audrain County, MO, Boone County, MO, Caldwell County, MO, Callaway County, MO, Carroll County, MO, Chariton County, MO, Clark County, MO, Clinton County, MO, Cole County, MO, Cooper County, MO, Daviess County, MO, DeKalb County, MO, Gasconade County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Howard County, MO, Knox County, MO, Lafayette County, MO, Lewis County, MO, Lincoln County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Marion County, MO, Mercer County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Pettis County, MO, Pike County, MO, Putnam County, MO, Ralls County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, Scotland County, MO, Shelby County, MO, Sullivan County, MO, Warren County, MO, Worth County, MO, Crawford County, WI, Grant County, WI, Richland County, WI

The radar

The Des Moines radar (KDMX), 179 km from the middle of the area, began a volume at 16:47 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes: 95%
One or more EF2 to EF5 tornadoes: 90%
Ten or more severe wind reports: 90%
One or more gusts of 65 knots or more: 10%
Ten or more severe hail reports: 80%
One or more hailstones of 2 inches or more: 60%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Mar 31, 11:55 AM CDT	Severe Thunderstorm Warning	EAX	Chariton, Macon, Randolph, Saline	35 min
Mar 31, 12:30 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Decatur, Ringgold, Union	45 min
Mar 31, 12:36 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Decatur, Lucas, Madison, Warren	39 min
Mar 31, 12:40 PM CDT	Severe Thunderstorm Warning	LSX	Adams, Pike	50 min
Mar 31, 12:40 PM CDT	Tornado Warning	DMX	Clarke, Decatur, Ringgold, Union	39 min
Mar 31, 1:13 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Hancock	47 min
Mar 31, 1:15 PM CDT	Severe Thunderstorm Warning	LSX	Brown	23 min
Mar 31, 1:18 PM CDT	Severe Thunderstorm Warning	DMX	Clarke, Lucas, Marion, Warren	42 min
Mar 31, 1:19 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Schuyler	26 min
Mar 31, 1:28 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy, Harrison, Mercer	35 min
Mar 31, 1:30 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Pettis	30 min
Mar 31, 1:36 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Lee	24 min
Mar 31, 1:37 PM CDT	Severe Thunderstorm Warning	LSX	Lewis	8 min
Mar 31, 1:45 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Fulton, Schuyler	45 min
Mar 31, 1:47 PM CDT	Severe Thunderstorm Warning	EAX	Henry, Pettis	43 min
Mar 31, 1:50 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Cooper, Pettis, Saline	40 min
Mar 31, 1:52 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Grundy, Mercer, Putnam, Sullivan	38 min
Mar 31, 1:57 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Clarke, Madison, Union, Warren	48 min
Mar 31, 2:01 PM CDT	Severe Thunderstorm Warning	DMX	Dallas, Madison, Polk, Warren	29 min
Mar 31, 2:03 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marion, Warren	42 min
Mar 31, 2:06 PM CDT	Tornado Warning	EAX	Mercer, Putnam	24 min
Mar 31, 2:07 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Mercer, Rock Island	38 min
Mar 31, 2:07 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Clarke, Decatur, Lucas, Warren	38 min
Mar 31, 2:13 PM CDT	Severe Thunderstorm Warning	DMX	Boone, Dallas, Polk, Story	47 min
Mar 31, 2:15 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Mercer, Rock Island	45 min
Mar 31, 2:17 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Fulton, Peoria, Tazewell, Woodford	43 min
Mar 31, 2:20 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Cooper, Howard, Randolph, Saline	40 min
Mar 31, 2:23 PM CDT	Tornado Warning	EAX	Carroll, Chariton, Linn, Livingston	37 min
Mar 31, 2:24 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Knox, Peoria, Stark	51 min
Mar 31, 2:25 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Appanoose, Davis, Monroe, Wayne	50 min
Mar 31, 2:25 PM CDT	Severe Thunderstorm Warning	EAX	Cooper, Pettis	35 min
Mar 31, 2:26 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Putnam	19 min
Mar 31, 2:27 PM CDT	Tornado Warning	ILX	Fulton, Peoria, Tazewell	33 min
Mar 31, 2:33 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Mercer	27 min
Mar 31, 2:37 PM CDT	Tornado Warning	EAX	Howard	23 min
Mar 31, 2:39 PM CDT	Severe Thunderstorm Warning	ILX	McLean, Tazewell, Woodford	19 min
Mar 31, 2:41 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Marshall, Poweshiek, Tama	42 min
Mar 31, 2:41 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Lucas, Marion, Warren	49 min
Mar 31, 2:44 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Boone, Monroe	46 min
Mar 31, 2:46 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DMX	Boone, Grundy, Hamilton, Hardin, Marshall, Story	59 min
Mar 31, 2:48 PM CDT	Tornado Warning	ILX	Peoria, Tazewell, Woodford	27 min
Mar 31, 2:51 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Linn, Macon	39 min
Mar 31, 2:53 PM CDT	Severe Thunderstorm Warning	EAX	Mercer, Putnam	37 min
Mar 31, 2:54 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Howard, Randolph	21 min
Mar 31, 2:56 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Mercer, Rock Island	49 min
Mar 31, 2:59 PM CDT	Tornado Warning	DVN	Henderson, Warren	46 min
Mar 31, 2:59 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Marshall, Peoria, Tazewell, Woodford	46 min
Mar 31, 3:02 PM CDT	Tornado Warning	DMX	Appanoose, Davis, Monroe, Wapello	43 min
Mar 31, 3:05 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Davis, Monroe, Wapello, Wayne	40 min
Mar 31, 3:14 PM CDT	Tornado Warning	ILX	McLean, Tazewell, Woodford	31 min
Mar 31, 3:18 PM CDT	Severe Thunderstorm Warning	ILX	Stark	27 min
Mar 31, 3:19 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Ralls	41 min
Mar 31, 3:20 PM CDT	Severe Thunderstorm Warning Destructive damage threat	DMX	Davis, Mahaska, Monroe, Wapello	40 min
Mar 31, 3:23 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Mahaska, Marion, Poweshiek, Tama	37 min
Mar 31, 3:26 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Rock Island, Whiteside	49 min
Mar 31, 3:28 PM CDT	Severe Thunderstorm Warning	EAX	Putnam, Sullivan	32 min
Mar 31, 3:29 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Boone, Callaway	46 min
Mar 31, 3:31 PM CDT	Severe Thunderstorm Warning	DVN	Bureau, Putnam	44 min
Mar 31, 3:35 PM CDT	Severe Thunderstorm Warning	ILX	Knox	25 min
Mar 31, 3:35 PM CDT	Tornado Warning	DVN	Jefferson, Keokuk, Washington	40 min
Mar 31, 3:35 PM CDT	Severe Thunderstorm Warning	EAX	Cooper	25 min
Mar 31, 3:39 PM CDT	Severe Thunderstorm Warning	DMX	Appanoose, Davis, Monroe, Wapello	51 min
Mar 31, 3:42 PM CDT	Tornado Warning Tornado observed	DMX	Wapello	18 min
Mar 31, 3:43 PM CDT	Severe Thunderstorm Warning	ARX	Chickasaw, Floyd, Howard, Mitchell	47 min
Mar 31, 3:49 PM CDT	Severe Thunderstorm Warning	LSX	Adams, Pike	41 min
Mar 31, 3:49 PM CDT	Severe Thunderstorm Warning	DMX	Hancock, Kossuth, Winnebago	56 min
Mar 31, 3:50 PM CDT	Severe Thunderstorm Warning	DVN	Bureau, Henry	40 min
Mar 31, 3:50 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Putnam, Schuyler, Sullivan	40 min
Mar 31, 3:53 PM CDT	Tornado Warning	DMX	Tama	33 min
Mar 31, 3:53 PM CDT	Severe Thunderstorm Warning	DVN	Benton, Buchanan, Iowa	52 min
Mar 31, 3:54 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Jasper, Mahaska, Marion, Poweshiek, Tama	51 min
Mar 31, 3:55 PM CDT	Severe Thunderstorm Warning	DMX	Poweshiek	35 min
Mar 31, 3:56 PM CDT	Tornado Warning	DMX	Poweshiek	34 min
Mar 31, 3:56 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Boone, Callaway, Monroe, Pike, Ralls	49 min
Mar 31, 3:57 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Audrain, Montgomery, Pike	48 min
Mar 31, 4:02 PM CDT	Tornado Warning	LSX	Adams, Pike	43 min
Mar 31, 4:02 PM CDT	Tornado Warning Tornado observed	DVN	Benton, Iowa	43 min
Mar 31, 4:05 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	DVN	Iowa, Johnson, Keokuk, Washington	40 min
Mar 31, 4:12 PM CDT	Severe Thunderstorm Warning	DVN	Carroll, Whiteside	33 min
Mar 31, 4:12 PM CDT	Tornado Warning	DVN	Benton	33 min
Mar 31, 4:14 PM CDT	Severe Thunderstorm Warning	DVN	Bureau	19 min
Mar 31, 4:14 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Jefferson, Keokuk, Van Buren, Washington	31 min
Mar 31, 4:17 PM CDT	Severe Thunderstorm Warning	DMX	Cerro Gordo, Franklin, Hancock, Winnebago, Worth	36 min
Mar 31, 4:19 PM CDT	Severe Thunderstorm Warning	DMX	Mahaska, Marion, Monroe, Poweshiek	56 min
Mar 31, 4:24 PM CDT	Severe Thunderstorm Warning	DMX	Black Hawk, Bremer, Butler, Cerro Gordo, Franklin, Grundy and 5 more	62 min
Mar 31, 4:25 PM CDT	Tornado Warning	DVN	Bureau, Henry	50 min
Mar 31, 4:27 PM CDT	Severe Thunderstorm Warning	LSX	Adams, Pike	33 min
Mar 31, 4:27 PM CDT	Tornado Warning	DMX	Black Hawk, Bremer, Butler, Franklin, Grundy, Hardin	34 min
Mar 31, 4:27 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	DVN	Iowa, Johnson, Washington	48 min
Mar 31, 4:28 PM CDT	Tornado Warning	DMX	Black Hawk, Grundy, Marshall, Tama	34 min
Mar 31, 4:32 PM CDT	Tornado Warning	DVN	Benton, Buchanan, Linn	28 min
Mar 31, 4:34 PM CDT	Tornado Warning	DMX	Black Hawk, Bremer, Butler, Grundy, Marshall, Tama	29 min
Mar 31, 4:35 PM CDT	Tornado Warning	LSX	Adams, Brown, Pike	40 min
Mar 31, 4:35 PM CDT	Tornado Warning	DVN	Johnson, Louisa, Washington	25 min
Mar 31, 4:39 PM CDT	Severe Thunderstorm Warning	ARX	Chickasaw, Floyd	66 min
Mar 31, 4:40 PM CDT	Severe Thunderstorm Warning	DMX	Jasper, Mahaska, Poweshiek	32 min
Mar 31, 4:40 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln, Montgomery, Pike	50 min
Mar 31, 4:41 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Pike	34 min
Mar 31, 4:41 PM CDT	Tornado Warning	DVN	Benton, Buchanan, Linn	19 min
Mar 31, 4:45 PM CDT	Tornado Warning	ILX	Cass, Morgan, Schuyler	45 min
Mar 31, 4:45 PM CDT	Tornado Warning	DVN	Henry, Jefferson, Van Buren	45 min
Mar 31, 4:50 PM CDT	Severe Thunderstorm Warning Destructive damage threat	DVN	Benton, Buchanan, Delaware, Iowa, Linn	55 min
Mar 31, 4:51 PM CDT	Tornado Warning	DVN	Cedar, Johnson, Linn	24 min
Mar 31, 4:55 PM CDT	Tornado Warning	LSX	Crawford, Franklin, Gasconade	26 min
Mar 31, 4:57 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Benton, Iowa, Jefferson, Johnson, Keokuk, Linn and 1 more	48 min
Mar 31, 4:57 PM CDT	Tornado Warning	DVN	Cedar, Johnson, Muscatine	33 min
Mar 31, 5:03 PM CDT	Severe Thunderstorm Warning	ILX	Morgan, Scott	27 min
Mar 31, 5:05 PM CDT	Tornado Warning	LSX	Calhoun, Greene, Jersey	40 min
Mar 31, 5:09 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Greene, Pike	51 min
Mar 31, 5:10 PM CDT	Tornado Warning Tornado observed	DVN	Cedar, Johnson, Jones, Linn	35 min
Mar 31, 5:17 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Cedar, Clinton, Delaware, Dubuque, Jackson, Johnson and 2 more	43 min
Mar 31, 5:17 PM CDT	Tornado Warning	DVN	Cedar, Muscatine, Scott	28 min
Mar 31, 5:19 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Cass, Fulton, Mason, Menard, Schuyler	26 min
Mar 31, 5:21 PM CDT	Tornado Warning Tornado observed	DVN	Cedar, Clinton, Jackson, Jones	24 min
Mar 31, 5:22 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Henderson, Henry, Mercer, Rock Island, Warren	38 min
Mar 31, 5:24 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Hancock, Henderson, McDonough, Warren	51 min
Mar 31, 5:26 PM CDT	Tornado Warning	DVN	Delaware	49 min
Mar 31, 5:30 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Cass, Menard, Morgan, Sangamon, Scott	45 min
Mar 31, 5:31 PM CDT	Tornado Warning Tornado observed	ILX	Cass, Menard, Morgan	29 min
Mar 31, 5:36 PM CDT	Tornado Warning	DVN	Delaware, Dubuque, Jones	39 min
Mar 31, 5:37 PM CDT	Tornado Warning Tornado observed	DVN	Cedar, Clinton, Scott	38 min
Mar 31, 5:40 PM CDT	Tornado Warning Tornado observed	DVN	Cedar, Clinton, Jackson, Jones	50 min
Mar 31, 5:44 PM CDT	Severe Thunderstorm Warning Destructive damage threat	DVN	Carroll, Jo Daviess	61 min
Mar 31, 5:44 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Logan, Mason, Menard, Morgan, Sangamon and 2 more	31 min
Mar 31, 5:45 PM CDT	Tornado Warning	DVN	Mercer, Rock Island	45 min
Mar 31, 5:45 PM CDT	Severe Thunderstorm Warning	ARX	Clayton	17 min
Mar 31, 5:54 PM CDT	Tornado Warning	DVN	Henderson, Mercer, Rock Island, Warren	26 min
Mar 31, 5:54 PM CDT	Severe Thunderstorm Warning Destructive damage threat	DVN	Buchanan, Cedar, Clinton, Delaware, Dubuque, Jackson and 2 more	51 min
Mar 31, 5:56 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Hancock, Henderson, McDonough, Warren	34 min
Mar 31, 5:56 PM CDT	Tornado Warning Tornado observed	DVN	Clinton, Jackson	24 min
Mar 31, 5:59 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Henderson, Henry, Mercer, Rock Island, Warren, Whiteside	46 min
Mar 31, 6:02 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Fulton, Knox, Peoria, Stark	58 min
Mar 31, 6:02 PM CDT	Tornado Warning Tornado observed	ILX	Logan, Menard, Sangamon	28 min
Mar 31, 6:06 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Logan, McLean, Mason, Menard, Sangamon, Tazewell and 1 more	24 min
Mar 31, 6:06 PM CDT	Tornado Warning	ILX	Logan, Mason, Tazewell, Woodford	24 min
Mar 31, 6:10 PM CDT	Tornado Warning	DVN	Jo Daviess	35 min
Mar 31, 6:10 PM CDT	Severe Thunderstorm Warning	ARX	Grant	35 min
Mar 31, 6:12 PM CDT	Tornado Warning Tornado observed	DVN	Carroll, Jo Daviess	32 min
Mar 31, 6:15 PM CDT	Tornado Warning	ILX	Sangamon	30 min
Mar 31, 6:18 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Carroll, Jo Daviess, Stephenson	27 min
Mar 31, 6:19 PM CDT	Tornado Warning Considerable damage threat	ILX	Logan, Sangamon	26 min
Mar 31, 6:29 PM CDT	Tornado Warning	DVN	Bureau, Henry, Whiteside	31 min
Mar 31, 6:32 PM CDT	Tornado Warning	DVN	Bureau, Henry	28 min
Mar 31, 6:34 PM CDT	Tornado Warning Tornado observed	ILX	DeWitt, Logan	26 min
Mar 31, 6:35 PM CDT	Tornado Warning	DVN	Carroll, Stephenson, Whiteside	25 min
Mar 31, 6:36 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Bureau, Henry, Putnam, Whiteside	54 min
Mar 31, 6:38 PM CDT	Severe Thunderstorm Warning	ILX	McLean	37 min
Mar 31, 6:38 PM CDT	Tornado Warning Tornado observed	ILX	DeWitt, Logan, Macon, Sangamon	22 min
Mar 31, 6:41 PM CDT	Tornado Warning	DVN	Jo Daviess, Stephenson	37 min
Mar 31, 6:42 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Carroll, Henry, Whiteside	18 min
Mar 31, 6:42 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Peoria, Stark	33 min
Mar 31, 6:47 PM CDT	Tornado Warning Tornado observed	DVN	Bureau, Henry, Whiteside	15 min
Mar 31, 6:48 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Carroll, Jo Daviess, Stephenson, Whiteside	42 min
Mar 31, 6:58 PM CDT	Tornado Warning	ILX	DeWitt, Macon, Piatt	32 min
Mar 31, 6:59 PM CDT	Tornado Warning Tornado observed	DVN	Carroll, Stephenson	25 min
Mar 31, 7:01 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon, Moultrie, Sangamon, Shelby	44 min
Mar 31, 7:07 PM CDT	Tornado Warning Tornado observed	ILX	Christian, Macon, Shelby	23 min
Mar 31, 7:20 PM CDT	Tornado Warning	ILX	Champaign, DeWitt, McLean, Piatt	25 min
Mar 31, 7:33 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon	27 min
Mar 31, 7:36 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Macoupin, Madison, Monroe, Montgomery, Saint Clair	39 min
Mar 31, 7:40 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Champaign, Douglas, Macon, Piatt	35 min
Mar 31, 7:47 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Piatt	28 min
Mar 31, 7:49 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon, Moultrie, Piatt, Shelby	26 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

Davenport, (KDVN), launched 12:00Z, 4.8 hours before the alert went out and 195 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 897 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 433 m²/s²
0-3 km storm-relative helicity: 424 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 31, 8:36 AM CDT	Mesoscale Discussion	SPC	Adams, Brown, Calhoun, Greene, Hancock, Jersey and 8 more	84 min
Mar 31, 10:37 AM CDT	Mesoscale Discussion	SPC	Adams, Brown, Cass, Fulton, Hancock, Henderson and 10 more	53 min
Mar 31, 11:24 AM CDT	Mesoscale Discussion	SPC	Adams, Brown, Bureau, Calhoun, Carroll, Cass and 27 more	96 min
Mar 31, 12:28 PM CDT	Tornado Watch PDS	SPC	Alexander, Bond, Clinton, Fayette, Franklin, Jackson and 14 more	11 hr
Mar 31, 12:53 PM CDT	Mesoscale Discussion	SPC	Alexander, Clinton, Franklin, Jackson, Jefferson, Johnson and 10 more	97 min
Mar 31, 1:32 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Fulton, Hancock, Knox, McDonough and 5 more	118 min
Mar 31, 2:07 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 26 more	83 min
Mar 31, 2:36 PM CDT	Tornado Watch	SPC	Boone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more	7 hr
Mar 31, 3:17 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Calhoun, Cass, Fulton, Greene and 20 more	88 min
Mar 31, 3:50 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 21 more	55 min
Mar 31, 5:18 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Bureau, Calhoun, Carroll, Cass and 27 more	117 min
Mar 31, 5:30 PM CDT	Mesoscale Discussion	SPC	Adams, Brown, Bureau, Calhoun, Carroll, Cass and 27 more	2 hr
Mar 31, 6:20 PM CDT	Mesoscale Discussion	SPC	Champaign, Clark, Coles, Cook, Crawford, Cumberland and 21 more	115 min
Mar 31, 6:59 PM CDT	Tornado Watch	SPC	Champaign, Christian, Clark, Clay, Coles, Crawford and 21 more	7 hr
Mar 31, 12:51 PM CDT	Mesoscale Discussion	SPC	Appanoose, Clarke, Decatur, Jasper, Lucas, Mahaska and 5 more	84 min
Mar 31, 3:54 PM CDT	Mesoscale Discussion	SPC	Iowa, Johnson, Keokuk, Wapello, Washington	36 min
Mar 31, 3:59 PM CDT	Mesoscale Discussion	SPC	Iowa, Johnson, Keokuk, Wapello, Washington	31 min
Mar 31, 10:44 AM CDT	Mesoscale Discussion	SPC	Dunklin	2 hr
Mar 31, 1:36 PM CDT	Mesoscale Discussion	SPC	Adair, Carroll, Chariton, Cooper, Grundy, Howard and 12 more	114 min
Mar 31, 3:42 PM CDT	Mesoscale Discussion	SPC	Dunklin, Pemiscot	93 min
Mar 30, 10:04 PM CDT	Mesoscale Discussion	SPC	Ashland, Bayfield, Douglas, Florence, Forest, Iron and 9 more	26 min
Mar 31, 3:38 PM CDT	Mesoscale Discussion	SPC	Adams, Columbia, Dodge, Juneau, La Crosse, Marquette and 2 more	2 hr

Nearby

Tornado Watches in Iowa, 2023 Tornado Watches in Missouri, 2023 Tornado Watches in Illinois, 2023 Every tornado watch in 2023

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.