Alert archive / Indiana / Tornado Watches in 2004
Tornado Watch 267
The Storm Prediction Center issued this tornado watch at May 23, 2004, 5:30 PM CDT for 35 counties in Illinois; 47 counties in Indiana; 4 counties in Missouri. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 23, 2004, 5:30 PM CDT (22:30 UTC)
- Expired
- May 23, 2004, 11:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 86 counties
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, Douglas County, IL, Edgar County, IL, Edwards County, IL, Effingham County, IL, Fayette County, IL, Greene County, IL, Jasper County, IL, Jefferson County, IL, Jersey County, IL, Lawrence County, IL, Macon County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Monroe County, IL, Montgomery County, IL, Moultrie County, IL, Perry County, IL, Randolph County, IL, Richland County, IL, Saint Clair County, IL, Shelby County, IL, Vermilion County, IL, Wabash County, IL, Washington County, IL, Wayne County, IL, Adams County, IN, Bartholomew County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Clay County, IN, Clinton County, IN, Daviess County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Fountain County, IN, Franklin County, IN, Grant County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Jackson County, IN, Jay County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Shelby County, IN, Sullivan County, IN, Tipton County, IN, Union County, IN, Vermillion County, IN, Vigo County, IN, Wayne County, IN, Wells County, IN, City of Saint Louis, MO, Jefferson County, MO, Saint Charles County, MO, Saint Louis County, MO
The radar
The Lincoln radar (KILX), 120 km from the middle of the area, began a volume at 22:31 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.
Warnings issued inside it
32 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 5:36 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Saint Charles, Warren | 39 min |
| May 23, 6:11 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Saint Charles, Saint Louis, City of Saint Louis | 49 min |
| May 23, 6:13 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Saint Charles, Saint Louis, City of Saint Louis | 47 min |
| May 23, 6:38 PM CDT | Tornado Warning | ILX | Christian | 67 min |
| May 23, 6:57 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 48 min |
| May 23, 7:05 PM CDT | Severe Thunderstorm Warning | ILX | Macon | 55 min |
| May 23, 7:05 PM CDT | Severe Thunderstorm Warning | IND | Henry, Rush, Shelby | 40 min |
| May 23, 7:18 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Saint Charles | 12 min |
| May 23, 7:19 PM CDT | Tornado Warning | ILX | Shelby | 56 min |
| May 23, 7:25 PM CDT | Tornado Warning | LSX | Macoupin, Montgomery | 50 min |
| May 23, 7:30 PM CDT | Tornado Warning | ILX | Moultrie | 60 min |
| May 23, 7:39 PM CDT | Tornado Warning | ILX | Christian | 66 min |
| May 23, 7:42 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 48 min |
| May 23, 7:52 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Douglas | 53 min |
| May 23, 8:01 PM CDT | Tornado Warning | ILX | Coles | 44 min |
| May 23, 8:13 PM CDT | Severe Thunderstorm Warning | ILX | Shelby | 62 min |
| May 23, 8:23 PM CDT | Severe Thunderstorm Warning | ILX | Edgar | 52 min |
| May 23, 8:25 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair, Washington | 50 min |
| May 23, 8:33 PM CDT | Severe Thunderstorm Warning | ILX | Clark | 57 min |
| May 23, 8:38 PM CDT | Severe Thunderstorm Warning | IND | Parke, Vermillion, Vigo | 37 min |
| May 23, 8:45 PM CDT | Tornado Warning | ILX | Christian | 60 min |
| May 23, 9:01 PM CDT | Severe Thunderstorm Warning | ILX | Coles | 59 min |
| May 23, 9:10 PM CDT | Flash Flood Warning | ILX | Christian | 6 hr |
| May 23, 9:13 PM CDT | Severe Thunderstorm Warning | IND | Clay, Vigo | 47 min |
| May 23, 9:35 PM CDT | Severe Thunderstorm Warning | IND | Putnam | 40 min |
| May 23, 9:50 PM CDT | Severe Thunderstorm Warning | IND | Hendricks | 40 min |
| May 23, 10:07 PM CDT | Severe Thunderstorm Warning | IND | Morgan | 38 min |
| May 23, 10:13 PM CDT | Severe Thunderstorm Warning | IND | Marion | 47 min |
| May 23, 10:32 PM CDT | Severe Thunderstorm Warning | IND | Hamilton, Hancock, Henry, Madison, Rush | 43 min |
| May 23, 10:40 PM CDT | Severe Thunderstorm Warning | IND | Shelby | 35 min |
| May 23, 10:53 PM CDT | Severe Thunderstorm Warning | IND | Delaware, Randolph | 37 min |
| May 23, 10:58 PM CDT | Severe Thunderstorm Warning | ILN | Fayette, Wayne | 47 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
Lincoln, IL (KILX), launched 12:00Z, 10.5 hours before the alert went out and 92 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.
- Mixed-layer CAPE
- 435 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 621 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 232229
SEL7
SPC WW 232230
ILZ000-INZ000-MOZ000-240400-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 267
NWS STORM PREDICTION CENTER NORMAN OK
530 PM CDT SUN MAY 23 2004
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
CENTRAL ILLINOIS
CENTRAL AND SOUTHERN INDIANA
EAST CENTRAL MISSOURI
EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 530 PM UNTIL 1100
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 ALONG AND 60 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 30 MILES WEST SOUTHWEST OF SAINT LOUIS
MISSOURI TO 40 MILES EAST SOUTHEAST OF MUNCIE INDIANA.
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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 261. WATCH NUMBER 261 WILL NOT BE IN EFFECT AFTER 530
PM CDT. CONTINUE...WW 262...WW 263...WW 264...WW 265...WW 266...
DISCUSSION...SHEAR PROFILES AND STRONG INSTABILITY WILL CONTINUE TO
SUPPORT SUPERCELLS AND TORNADO POTENTIAL AS S/WV TROUGH ROTATES EWD
ACROSS THE AREA.
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 600.
MEAN STORM MOTION VECTOR 24040.
...HALES
392,0905 405,0844 390,0844 374,0905SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 8:58 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 23 more | 92 min |
| May 23, 12:24 AM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 32 more | 66 min |
| May 23, 12:40 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 27 more | 5 hr |
| May 23, 1:21 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Greene, Jersey and 6 more | 24 min |
| May 23, 1:40 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Cass, Fulton, Hancock, Logan and 8 more | 4 hr |
| May 23, 4:30 AM CDT | Mesoscale Discussion | SPC | Adams, Boone, Brown, Bureau, Carroll, Cass and 44 more | 60 min |
| May 23, 10:45 AM CDT | Tornado Watch | SPC | Clark, Clay, Coles, Crawford, Cumberland, Edgar and 19 more | 5 hr |
| May 23, 12:25 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Calhoun, Carroll, Cass and 31 more | 95 min |
| May 23, 12:45 PM CDT | Mesoscale Discussion | SPC | Clark, Clay, Coles, Crawford, Cumberland, Edgar and 18 more | 2 hr |
| May 23, 1:15 PM CDT | Tornado Watch | SPC | Adams, Brown, Calhoun, Cass, Fulton, Greene and 16 more | 6 hr |
| May 23, 2:05 PM CDT | Tornado Watch | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 18 more | 8 hr |
| May 23, 2:53 PM CDT | Mesoscale Discussion | SPC | Iroquois, Vermilion | 67 min |
| May 23, 3:50 PM CDT | Tornado Watch | SPC | Cook, DuPage, Iroquois, Kankakee, Vermilion, Will | 6 hr |
| May 23, 4:35 PM CDT | Severe Thunderstorm Watch | SPC | Monroe | 5 hr |
| May 23, 5:00 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 28 more | 2 hr |
| May 23, 5:10 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 17 more | 95 min |
| May 23, 6:30 PM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Iroquois, Kankakee, Vermilion, Will | 2 hr |
| May 23, 9:45 AM CDT | Mesoscale Discussion | SPC | Adams, Allen, Benton, Blackford, Boone, Carroll and 37 more | 2 hr |
| May 23, 10:10 AM CDT | Tornado Watch | SPC | Adams, Allen, Blackford, Carroll, Cass, Clinton and 21 more | 6 hr |
| May 23, 12:35 PM CDT | Mesoscale Discussion | SPC | Adams, Allen, Blackford, Carroll, Cass, Clinton and 19 more | 115 min |
| May 22, 7:11 PM CDT | Mesoscale Discussion | SPC | Atchison | 94 min |
| May 22, 10:40 PM CDT | Tornado Watch | SPC | Andrew, Atchison, Buchanan, Daviess, DeKalb, Gentry and 8 more | 5 hr |
| May 22, 11:33 PM CDT | Mesoscale Discussion | SPC | Andrew, Atchison, Buchanan, Daviess, DeKalb, Gentry and 7 more | 87 min |
| May 23, 2:21 AM CDT | Mesoscale Discussion | SPC | Adair, Andrew, Buchanan, Caldwell, Clinton, Daviess and 11 more | 54 min |
Nearby
Tornado Watches in Indiana, 2004Tornado Watches in Illinois, 2004Tornado Watches in Missouri, 2004Every tornado watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.