Alert archive / Missouri / Tornado Watches in 2007

Tornado Watch 111

April 3, 20074 states

The Storm Prediction Center issued this tornado watch at Apr 3, 2007, 11:51 AM CDT for 4 states. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: Apr 3, 2007, 11:51 AM CDT (16:51 UTC)
Expired: Apr 3, 2007, 8:00 PM CDT
In force: 8 hr
Issued by: the Storm Prediction Center
Largest hail expected: 3 in
Strongest gust expected: 70 kt

All 120 counties

Alexander County, IL, Bond County, IL, Clark County, IL, Clay County, IL, Clinton County, IL, Crawford County, IL, Cumberland County, IL, Edwards County, IL, Effingham County, IL, Fayette County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jasper County, IL, Jefferson County, IL, Johnson County, IL, Lawrence County, IL, Madison County, IL, Marion County, IL, Massac County, IL, Monroe County, IL, Perry County, IL, Pope 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, Gibson County, IN, Pike County, IN, Posey County, IN, Spencer County, IN, Vanderburgh County, IN, Warrick County, IN, Ballard County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Christian County, KY, Crittenden County, KY, Daviess County, KY, Fulton County, KY, Graves County, KY, Henderson County, KY, Hickman County, KY, Hopkins County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Muhlenberg County, KY, Todd County, KY, Trigg County, KY, Union County, KY, Webster County, KY, Barry County, MO, Barton County, MO, Bollinger County, MO, Butler County, MO, Camden County, MO, Cape Girardeau County, MO, Carter County, MO, Cedar County, MO, Christian County, MO, City of Saint Louis, MO, Cole County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Howell County, MO, Iron County, MO, Jasper County, MO, Jefferson County, MO, Laclede County, MO, Lawrence County, MO, Madison County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Mississippi County, MO, New Madrid County, MO, Newton County, MO, Oregon County, MO, Osage County, MO, Ozark County, MO, Perry County, MO, Phelps County, MO, Polk County, MO, Pulaski 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, Shannon County, MO, Stoddard County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Warren County, MO, Washington County, MO, Wayne County, MO, Webster County, MO, Wright County, MO

The radar

The St Louis radar (KLSX), 122 km from the middle of the area, began a volume at 16:51 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: 40%
One or more EF2 to EF5 tornadoes: 20%
Ten or more severe wind reports: 80%
One or more gusts of 65 knots or more: 30%
Ten or more severe hail reports: 70%
One or more hailstones of 2 inches or more: 50%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Apr 3, 11:54 AM CDT	Severe Thunderstorm Warning	LSX	Bond, Montgomery	66 min
Apr 3, 11:55 AM CDT	Severe Thunderstorm Warning	ILX	Coles, Cumberland, Douglas, Edgar	65 min
Apr 3, 12:10 PM CDT	Severe Thunderstorm Warning	LSX	Boone, Cole, Moniteau	50 min
Apr 3, 12:14 PM CDT	Severe Thunderstorm Warning	SGF	Benton, Camden	61 min
Apr 3, 12:18 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Madison	42 min
Apr 3, 12:27 PM CDT	Severe Thunderstorm Warning	LSX	Callaway, Osage	48 min
Apr 3, 12:28 PM CDT	Flash Flood Warning	SGF	Miller, Morgan	6 hr
Apr 3, 12:31 PM CDT	Severe Thunderstorm Warning	SGF	Miller, Morgan	59 min
Apr 3, 12:39 PM CDT	Severe Thunderstorm Warning	LSX	Saint Clair, Washington	51 min
Apr 3, 12:46 PM CDT	Tornado Warning	ILX	Clark, Cumberland	29 min
Apr 3, 12:48 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson, Saint Louis	23 min
Apr 3, 12:52 PM CDT	Severe Thunderstorm Warning	LSX	Fayette, Marion	38 min
Apr 3, 12:55 PM CDT	Severe Thunderstorm Warning	LSX	Cole, Osage	49 min
Apr 3, 12:59 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Coles, Cumberland, Edgar	40 min
Apr 3, 1:01 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Saint Clair	44 min
Apr 3, 1:01 PM CDT	Severe Thunderstorm Warning	LSX	Gasconade, Montgomery, Warren	59 min
Apr 3, 1:04 PM CDT	Severe Thunderstorm Warning	LSX	Clinton	41 min
Apr 3, 1:11 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Washington	49 min
Apr 3, 1:12 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Pulaski	63 min
Apr 3, 1:15 PM CDT	Tornado Warning	LSX	Washington	45 min
Apr 3, 1:24 PM CDT	Severe Thunderstorm Warning	SGF	Greene	37 min
Apr 3, 1:24 PM CDT	Severe Thunderstorm Warning	SGF	Maries, Miller	44 min
Apr 3, 1:25 PM CDT	Tornado Warning	ILX	Crawford, Jasper, Richland	35 min
Apr 3, 1:28 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson	47 min
Apr 3, 1:29 PM CDT	Severe Thunderstorm Warning	LSX	Clinton, Fayette, Marion	61 min
Apr 3, 1:31 PM CDT	Severe Thunderstorm Warning	ILX	Clay	44 min
Apr 3, 1:32 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Gasconade	43 min
Apr 3, 1:33 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Shannon	57 min
Apr 3, 1:34 PM CDT	Severe Thunderstorm Warning	LSX	Saint Clair	41 min
Apr 3, 1:40 PM CDT	Severe Thunderstorm Warning	LSX	Madison	50 min
Apr 3, 1:47 PM CDT	Tornado Warning	SGF	Dent, Shannon	20 min
Apr 3, 1:48 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Saint Clair	42 min
Apr 3, 1:52 PM CDT	Severe Thunderstorm Warning	LSX	Reynolds	38 min
Apr 3, 1:55 PM CDT	Severe Thunderstorm Warning	SGF	Laclede, Wright	65 min
Apr 3, 1:57 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Texas	23 min
Apr 3, 2:01 PM CDT	Severe Thunderstorm Warning	SGF	Phelps	42 min
Apr 3, 2:03 PM CDT	Severe Thunderstorm Warning	LSX	Washington	42 min
Apr 3, 2:08 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Randolph, Saint Clair	52 min
Apr 3, 2:08 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Gasconade	52 min
Apr 3, 2:08 PM CDT	Severe Thunderstorm Warning	SGF	Shannon	67 min
Apr 3, 2:10 PM CDT	Severe Thunderstorm Warning	SGF	Webster	34 min
Apr 3, 2:12 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Richland	63 min
Apr 3, 2:13 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson	47 min
Apr 3, 2:14 PM CDT	Severe Thunderstorm Warning	LSX	Saint Charles	31 min
Apr 3, 2:20 PM CDT	Severe Thunderstorm Warning	LSX	Crawford	36 min
Apr 3, 2:21 PM CDT	Severe Thunderstorm Warning	LSX	Randolph	39 min
Apr 3, 2:22 PM CDT	Severe Thunderstorm Warning	SGF	Dent	53 min
Apr 3, 2:25 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Stone	65 min
Apr 3, 2:27 PM CDT	Severe Thunderstorm Warning	PAH	Jefferson	48 min
Apr 3, 2:27 PM CDT	Severe Thunderstorm Warning	LSX	Saint Charles, Saint Louis, City of Saint Louis	48 min
Apr 3, 2:29 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Madison	33 min
Apr 3, 2:30 PM CDT	Severe Thunderstorm Warning	LSX	Madison	45 min
Apr 3, 2:31 PM CDT	Severe Thunderstorm Warning	LSX	Saint Louis, City of Saint Louis	29 min
Apr 3, 2:33 PM CDT	Severe Thunderstorm Warning	LSX	Iron, Reynolds	57 min
Apr 3, 2:36 PM CDT	Severe Thunderstorm Warning	ILX	Lawrence	54 min
Apr 3, 2:42 PM CDT	Severe Thunderstorm Warning	LSX	Marion	33 min
Apr 3, 2:47 PM CDT	Severe Thunderstorm Warning	LSX	Washington	28 min
Apr 3, 2:48 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson, Washington	42 min
Apr 3, 2:49 PM CDT	Severe Thunderstorm Warning	PAH	Perry	41 min
Apr 3, 2:51 PM CDT	Severe Thunderstorm Warning	LSX	Madison	24 min
Apr 3, 2:54 PM CDT	Severe Thunderstorm Warning	PAH	Carter	51 min
Apr 3, 2:54 PM CDT	Severe Thunderstorm Warning	SGF	Texas, Wright	66 min
Apr 3, 2:56 PM CDT	Severe Thunderstorm Warning	SGF	Taney	79 min
Apr 3, 2:59 PM CDT	Severe Thunderstorm Warning	LSX	Randolph	46 min
Apr 3, 3:01 PM CDT	Severe Thunderstorm Warning	PAH	Wabash	16 min
Apr 3, 3:02 PM CDT	Severe Thunderstorm Warning	PAH	Wayne	43 min
Apr 3, 3:05 PM CDT	Severe Thunderstorm Warning	PAH	Perry	40 min
Apr 3, 3:07 PM CDT	Severe Thunderstorm Warning	LSX	Washington	26 min
Apr 3, 3:10 PM CDT	Severe Thunderstorm Warning	SGF	Dent	15 min
Apr 3, 3:11 PM CDT	Severe Thunderstorm Warning	LSX	Sainte Genevieve, Saint Francois	49 min
Apr 3, 3:13 PM CDT	Severe Thunderstorm Warning	LSX	Madison	47 min
Apr 3, 3:15 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Madison	22 min
Apr 3, 3:15 PM CDT	Severe Thunderstorm Warning	SGF	Shannon	11 min
Apr 3, 3:16 PM CDT	Severe Thunderstorm Warning	PAH	Wayne	44 min
Apr 3, 3:24 PM CDT	Severe Thunderstorm Warning	PAH	Jackson	51 min
Apr 3, 3:27 PM CDT	Severe Thunderstorm Warning	LSX	Iron, Reynolds	33 min
Apr 3, 3:28 PM CDT	Severe Thunderstorm Warning	PAH	Franklin, Jefferson	47 min
Apr 3, 3:28 PM CDT	Severe Thunderstorm Warning	SGF	Oregon	32 min
Apr 3, 3:31 PM CDT	Severe Thunderstorm Warning	PAH	Perry	44 min
Apr 3, 3:37 PM CDT	Severe Thunderstorm Warning	LSX	Randolph	42 min
Apr 3, 3:39 PM CDT	Severe Thunderstorm Warning	PAH	Ripley	51 min
Apr 3, 3:40 PM CDT	Severe Thunderstorm Warning	PAH	Edwards, Wabash	50 min
Apr 3, 3:42 PM CDT	Severe Thunderstorm Warning	PAH	Carter	48 min
Apr 3, 3:42 PM CDT	Flash Flood Warning	SGF	Shannon	6 hr
Apr 3, 3:45 PM CDT	Severe Thunderstorm Warning	PAH	Wayne	15 min
Apr 3, 3:51 PM CDT	Severe Thunderstorm Warning	PAH	Hamilton, White	39 min
Apr 3, 3:55 PM CDT	Severe Thunderstorm Warning	PAH	Butler, Wayne	65 min
Apr 3, 3:55 PM CDT	Severe Thunderstorm Warning	SGF	Oregon	24 min
Apr 3, 3:57 PM CDT	Severe Thunderstorm Warning	LSX	Madison	33 min
Apr 3, 3:58 PM CDT	Severe Thunderstorm Warning	PAH	Bollinger	47 min
Apr 3, 4:05 PM CDT	Severe Thunderstorm Warning	PAH	Jackson	40 min
Apr 3, 4:12 PM CDT	Severe Thunderstorm Warning	PAH	Gibson	48 min
Apr 3, 4:21 PM CDT	Severe Thunderstorm Warning	PAH	Spencer	24 min
Apr 3, 4:23 PM CDT	Severe Thunderstorm Warning	PAH	White	52 min
Apr 3, 4:25 PM CDT	Severe Thunderstorm Warning	PAH	Williamson	65 min
Apr 3, 4:28 PM CDT	Severe Thunderstorm Warning	PAH	Posey	47 min
Apr 3, 4:28 PM CDT	Severe Thunderstorm Warning	PAH	Butler, Ripley	47 min
Apr 3, 4:39 PM CDT	Severe Thunderstorm Warning	PAH	Vanderburgh	51 min
Apr 3, 4:42 PM CDT	Severe Thunderstorm Warning	PAH	Jackson	18 min
Apr 3, 4:45 PM CDT	Severe Thunderstorm Warning	PAH	Union	45 min
Apr 3, 4:48 PM CDT	Severe Thunderstorm Warning	PAH	Warrick	42 min
Apr 3, 4:50 PM CDT	Severe Thunderstorm Warning	PAH	Stoddard	40 min
Apr 3, 4:51 PM CDT	Severe Thunderstorm Warning	PAH	Saline	39 min
Apr 3, 4:58 PM CDT	Severe Thunderstorm Warning	PAH	Johnson	62 min
Apr 3, 5:00 PM CDT	Severe Thunderstorm Warning	PAH	Henderson, Union	45 min
Apr 3, 5:12 PM CDT	Severe Thunderstorm Warning	PAH	Gallatin	48 min
Apr 3, 5:17 PM CDT	Severe Thunderstorm Warning	PAH	New Madrid	43 min
Apr 3, 5:20 PM CDT	Severe Thunderstorm Warning	PAH	Cape Girardeau	15 min
Apr 3, 5:21 PM CDT	Severe Thunderstorm Warning	PAH	Webster	39 min
Apr 3, 5:26 PM CDT	Severe Thunderstorm Warning	PAH	Pope	49 min
Apr 3, 5:39 PM CDT	Severe Thunderstorm Warning	PAH	Stoddard	15 min
Apr 3, 5:43 PM CDT	Severe Thunderstorm Warning	PAH	Massac, Pulaski	47 min
Apr 3, 5:46 PM CDT	Severe Thunderstorm Warning	PAH	Hardin	44 min
Apr 3, 5:47 PM CDT	Severe Thunderstorm Warning	PAH	Mississippi	28 min
Apr 3, 5:48 PM CDT	Severe Thunderstorm Warning	PAH	Daviess, Hopkins, McLean	57 min
Apr 3, 5:50 PM CDT	Severe Thunderstorm Warning	PAH	Carlisle	40 min
Apr 3, 5:54 PM CDT	Severe Thunderstorm Warning	PAH	Marshall	51 min
Apr 3, 6:03 PM CDT	Severe Thunderstorm Warning	PAH	Calloway, Graves	42 min
Apr 3, 6:10 PM CDT	Tornado Warning	PAH	Calloway	35 min
Apr 3, 6:11 PM CDT	Severe Thunderstorm Warning	PAH	Hickman	49 min
Apr 3, 6:24 PM CDT	Severe Thunderstorm Warning	PAH	Muhlenberg	52 min
Apr 3, 6:32 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Lyon, Trigg	58 min
Apr 3, 6:34 PM CDT	Severe Thunderstorm Warning	PAH	Ballard, Graves, McCracken	28 min
Apr 3, 6:45 PM CDT	Severe Thunderstorm Warning	PAH	Calloway	15 min
Apr 3, 6:50 PM CDT	Severe Thunderstorm Warning	PAH	Christian, Todd	40 min
Apr 3, 6:51 PM CDT	Severe Thunderstorm Warning	PAH	Marshall	26 min
Apr 3, 6:55 PM CDT	Severe Thunderstorm Warning	PAH	Calloway	35 min
Apr 3, 7:06 PM CDT	Severe Thunderstorm Warning	PAH	Livingston	24 min
Apr 3, 7:25 PM CDT	Severe Thunderstorm Warning	PAH	Christian, Todd	43 min
Apr 3, 7:28 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Trigg	16 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

Springfield, MO (KSGF), launched 12:00Z, 4.9 hours before the alert went out and 224 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: 1571 J/kg
Mixed-layer CIN: -171 J/kg
Mixed-layer LCL: 930 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 275 m²/s²
0-3 km storm-relative helicity: 294 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000
WWUS20 KWNS 031654
SEL1  
SPC WW 031654
ILZ000-INZ000-KYZ000-MOZ000-040100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 111
NWS STORM PREDICTION CENTER NORMAN OK
1150 AM CDT TUE APR 3 2007

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       SOUTHERN ILLINOIS
       FAR SOUTHWESTERN INDIANA
       WESTERN AND PARTS OF CENTRAL KENTUCKY
       MUCH OF THE SOUTHERN MISSOURI

EFFECTIVE THIS TUESDAY MORNING AND EVENING FROM 1150 AM UNTIL 800
PM CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 15 MILES NORTH OF JOPLIN
MISSOURI TO 20 MILES EAST OF EVANSVILLE INDIANA.  FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU1).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

OTHER WATCH INFORMATION...CONTINUE...WW 109...WW 110...

DISCUSSION...RAPID INTENSIFICATION OF THUNDERSTORMS EXPECTED ACROSS
THE WATCH AREA THROUGH THE AFTERNOON AS THE AIRMASS HAS BECOME VERY
UNSTABLE AND WEAKLY CAPPED.  SHEAR SUFFICIENT TO SUPPORT ORGANIZED
LINES/BOWS AND SUPERCELLS.  TORNADOS MOST LIKELY ASSOCIATED WITH ANY
SUPERCELL WITH POTENTIAL FOR WIDESPREAD DAMAGING WINDS DEVELOPING
SEWD FROM SRN MO INTO LOWER OH VALLEY BY MID AFTERNOON.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 27035.


...HALES

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 3, 11:04 AM CDT	Mesoscale Discussion	SPC	Baxter, Benton, Boone, Carroll, Clay, Craighead and 14 more	26 min
Apr 3, 2:17 PM CDT	Mesoscale Discussion	SPC	Baxter, Boone, Carroll, Clark, Cleburne, Cleveland and 53 more	118 min
Apr 3, 3:12 PM CDT	Tornado Watch	SPC	Baxter, Boone, Carroll, Clay, Cleburne, Conway and 39 more	7 hr
Apr 3, 5:47 PM CDT	Severe Thunderstorm Watch	SPC	Clark, Garland, Hempstead, Hot Spring, Howard, Lafayette and 7 more	7 hr
Apr 3, 6:15 PM CDT	Mesoscale Discussion	SPC	Crittenden, Cross, Lee, Lonoke, Mississippi, Monroe and 5 more	60 min
Apr 2, 9:22 PM CDT	Severe Thunderstorm Watch	SPC	Carroll, Jo Daviess, Rock Island, Stephenson, Whiteside	8 hr
Apr 2, 11:33 PM CDT	Mesoscale Discussion	SPC	Carroll, Jo Daviess, Ogle, Stephenson, Winnebago	57 min
Apr 3, 1:27 AM CDT	Mesoscale Discussion	SPC	Carroll, Jo Daviess, Rock Island, Stephenson, Whiteside	93 min
Apr 3, 4:05 AM CDT	Mesoscale Discussion	SPC	Adams, Brown, Bureau, Cass, Fulton, Hancock and 19 more	55 min
Apr 3, 4:19 AM CDT	Severe Thunderstorm Watch	SPC	Adams, Brown, Bureau, Fulton, Hancock, Henderson and 16 more	6 hr
Apr 3, 7:17 AM CDT	Mesoscale Discussion	SPC	Adams, Brown, Calhoun, Cass, Fulton, Greene and 15 more	88 min
Apr 3, 9:08 AM CDT	Mesoscale Discussion	SPC	Bond, Champaign, Christian, Clark, Clay, Clinton and 26 more	67 min
Apr 3, 9:46 AM CDT	Mesoscale Discussion	SPC	Bond, Calhoun, Christian, Clark, Clay, Clinton and 37 more	29 min
Apr 3, 9:48 AM CDT	Severe Thunderstorm Watch	SPC	Bond, Calhoun, Cass, Champaign, Christian, Clark and 32 more	6 hr
Apr 3, 2:25 PM CDT	Mesoscale Discussion	SPC	Alexander, Bond, Clay, Clinton, Crawford, Edwards and 26 more	65 min
Apr 3, 1:10 PM CDT	Mesoscale Discussion	SPC	Adams, Allen, Bartholomew, Blackford, Boone, Brown and 43 more	65 min
Apr 3, 1:33 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Allen, Bartholomew, Blackford, Boone, Brown and 53 more	7 hr
Apr 3, 3:23 PM CDT	Mesoscale Discussion	SPC	Bartholomew, Blackford, Brown, Clark, Crawford, Dearborn and 33 more	67 min
Apr 3, 2:15 PM CDT	Severe Thunderstorm Watch	SPC	Allen, Barren, Bullitt, Butler, Clinton, Cumberland and 12 more	6 hr
Apr 3, 5:05 PM CDT	Severe Thunderstorm Watch	SPC	Adair, Anderson, Bath, Bell, Bourbon, Boyd and 60 more	5 hr
Apr 3, 5:23 PM CDT	Mesoscale Discussion	SPC	Allen, Barren, Breckinridge, Butler, Cumberland, Edmonson and 11 more	2 hr
Apr 2, 8:05 PM CDT	Mesoscale Discussion	SPC	Atchison, Harrison, Mercer, Nodaway, Putnam, Schuyler and 1 more	115 min
Apr 2, 11:40 PM CDT	Mesoscale Discussion	SPC	Andrew, Atchison, Buchanan, DeKalb, Gentry, Harrison and 3 more	65 min
Apr 3, 12:03 AM CDT	Severe Thunderstorm Watch	SPC	Adair, Andrew, Atchison, Buchanan, Caldwell, Clinton and 14 more	7 hr
Apr 3, 2:22 AM CDT	Mesoscale Discussion	SPC	Adair, Andrew, Atchison, Buchanan, Caldwell, Clinton and 14 more	53 min
Apr 3, 4:28 AM CDT	Mesoscale Discussion	SPC	Carroll, Cass, Chariton, Clay, Cole, Cooper and 12 more	62 min
Apr 3, 7:37 AM CDT	Severe Thunderstorm Watch	SPC	Audrain, Bates, Benton, Boone, Callaway, Camden and 30 more	8 hr

Nearby

Tornado Watches in Missouri, 2007 Tornado Watches in Illinois, 2007 Tornado Watches in Kentucky, 2007 Every tornado watch in 2007

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.