Alert archive / Missouri / Tornado Watches in 2004
Tornado Watch 565
The Storm Prediction Center issued this tornado watch at Jul 5, 2004, 4:00 PM CDT for 21 counties in Illinois; 52 counties in Missouri. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 5, 2004, 4:00 PM CDT (21:00 UTC)
- Expired
- Jul 5, 2004, 10:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 73 counties
Adams County, IL, Brown County, IL, Calhoun County, IL, Cass County, IL, Fulton County, IL, Greene County, IL, Jersey County, IL, Logan County, IL, Macoupin County, IL, Madison County, IL, Mason County, IL, McDonough County, IL, Menard County, IL, Montgomery County, IL, Morgan County, IL, Peoria County, IL, Pike County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Tazewell County, IL, Audrain County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Cass County, MO, Cedar County, MO, City of Saint Louis, MO, Cole County, MO, Cooper County, MO, Dade County, MO, Dallas County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jasper County, MO, Johnson County, MO, Laclede County, MO, Lafayette County, MO, Lawrence County, MO, Lewis County, MO, Lincoln County, MO, Maries County, MO, Marion County, MO, McDonald County, MO, Miller County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Morgan County, MO, Newton County, MO, Osage County, MO, Pettis County, MO, Phelps County, MO, Pike County, MO, Polk County, MO, Pulaski County, MO, Ralls County, MO, Randolph County, MO, Saint Charles County, MO, Saint Louis County, MO, Saline County, MO, Shelby County, MO, St. Clair County, MO, Vernon County, MO, Warren County, MO, Webster County, MO
The radar
The Pleasant Hill radar (KEAX), 149 km from the middle of the area, began a volume at 21:00 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
15 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 4:17 PM CDT | Severe Thunderstorm Warning | SGF | St. Clair | 73 min |
| Jul 5, 6:09 PM CDT | Severe Thunderstorm Warning | SGF | Camden, Laclede | 66 min |
| Jul 5, 6:45 PM CDT | Severe Thunderstorm Warning | SGF | Pulaski | 60 min |
| Jul 5, 6:58 PM CDT | Severe Thunderstorm Warning | SGF | Maries, Phelps | 62 min |
| Jul 5, 7:14 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 61 min |
| Jul 5, 7:40 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 35 min |
| Jul 5, 7:40 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis | 50 min |
| Jul 5, 7:53 PM CDT | Severe Thunderstorm Warning | LSX | City of Saint Louis | 37 min |
| Jul 5, 7:55 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade, Washington | 50 min |
| Jul 5, 8:07 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 53 min |
| Jul 5, 8:28 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 62 min |
| Jul 5, 8:41 PM CDT | Tornado Warning | LSX | Madison | 34 min |
| Jul 5, 9:07 PM CDT | Severe Thunderstorm Warning | ILX | Fulton | 68 min |
| Jul 5, 9:25 PM CDT | Tornado Warning | ILX | Fulton | 65 min |
| Jul 5, 9:30 PM CDT | Flash Flood Warning | LSX | Madison, Saint Clair | 4 hr |
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, 9.0 hours before the alert went out and 235 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
- 1923 J/kg
- Mixed-layer CIN
- -140 J/kg
- Mixed-layer LCL
- 904 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 165 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 052058
SEL5
SPC WW 052100
ILZ000-MOZ000-060300-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 565
NWS STORM PREDICTION CENTER NORMAN OK
400 PM CDT MON JUL 5 2004
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
WESTERN ILLINOIS
PARTS OF MISSOURI
EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 400 PM UNTIL 1000
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 80 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 25 MILES NORTH NORTHWEST OF JOPLIN MISSOURI
TO 25 MILES NORTHEAST OF SPRINGFIELD ILLINOIS.
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 562...WW 563...WW 564...
DISCUSSION...WITH VERY UNSTABLE AIR MASS ACROSS CENTRAL/SRN MO AND
40-50 KT OF DEEP LAYER SHEAR...THUNDERSTORMS EXPECTED TO RAPIDLY
DEVELOP SWRN MO AND MOVE NEWD. WITH AVAILABLE SHEAR AND INSTABILITY
SUPERCELLS EXPECTED INCREASING THREAT OF TORNADOES AND LARGE HAIL.
ACTIVITY WILL CONTINUE DEVELOPING NEWD ALONG AND N OF RETURNING
OUTFLOW BOUNDARY THAT EXTENDS EWD ACROSS ERN MO.
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 24035.
...HALES
383,0944 411,0891 385,0891 362,0944SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 6:55 AM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Christian, Clinton, Coles, Cumberland and 12 more | 4 hr |
| Jul 5, 9:12 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Christian, Clark, Clay, Clinton and 34 more | 63 min |
| Jul 5, 9:45 AM CDT | Severe Thunderstorm Watch | SPC | Clay, Edwards, Franklin, Gallatin, Hamilton, Jackson and 8 more | 4 hr |
| Jul 5, 12:08 PM CDT | Mesoscale Discussion | SPC | Edwards, Hardin, Lawrence, Richland, Wabash | 67 min |
| Jul 5, 3:00 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Hancock, Henderson, McDonough, Mercer and 3 more | 60 min |
| Jul 5, 3:43 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Clinton, Jackson, Jersey, Madison and 5 more | 92 min |
| Jul 5, 4:20 PM CDT | Tornado Watch | SPC | Bureau, Carroll, Henderson, Henry, Jo Daviess, Knox and 9 more | 6 hr |
| Jul 5, 6:30 PM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Henry, Jo Daviess, Mercer, Rock Island and 1 more | 60 min |
| Jul 5, 1:16 AM CDT | Mesoscale Discussion | SPC | Atchison, Holt, Nodaway | 89 min |
| Jul 5, 2:00 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Andrew, Atchison, Bates, Buchanan, Caldwell and 36 more | 5 hr |
| Jul 5, 3:25 AM CDT | Severe Thunderstorm Watch | SPC | Barry, Barton, Bates, Benton, Camden, Cedar and 27 more | 6 hr |
| Jul 5, 4:45 AM CDT | Mesoscale Discussion | SPC | Adair, Andrew, Bates, Caldwell, Carroll, Cass and 30 more | 2 hr |
| Jul 5, 6:02 AM CDT | Mesoscale Discussion | SPC | Barry, Barton, Bates, Benton, Camden, Cedar and 32 more | 88 min |
Nearby
Tornado Watches in Missouri, 2004Tornado Watches in Illinois, 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.