Alert archive / Missouri / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 560
The Storm Prediction Center issued this severe thunderstorm watch at Jul 5, 2004, 6:55 AM CDT for 18 counties in Illinois; 25 counties in Missouri. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 5, 2004, 6:55 AM CDT (11:55 UTC)
- Expired
- Jul 5, 2004, 11:00 AM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 43 counties
Bond County, IL, Calhoun County, IL, Christian County, IL, Clinton County, IL, Coles County, IL, Cumberland County, IL, Effingham County, IL, Fayette County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Monroe County, IL, Montgomery County, IL, Randolph County, IL, Saint Clair County, IL, Shelby County, IL, Washington County, IL, Audrain County, MO, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, City of Saint Louis, MO, Cole County, MO, Cooper County, MO, Franklin County, MO, Gasconade County, MO, Howard County, MO, Jefferson County, MO, Lincoln County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Morgan County, MO, Osage County, MO, Pike County, MO, Saint Charles County, MO, Saint Louis County, MO, St. Clair County, MO, Warren County, MO
The radar
The St Louis radar (KLSX), 82 km from the middle of the area, began a volume at 11:57 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
18 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 7:00 AM CDT | Severe Thunderstorm Warning | SGF | Camden | 60 min |
| Jul 5, 7:02 AM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Montgomery | 43 min |
| Jul 5, 7:13 AM CDT | Severe Thunderstorm Warning | EAX | Cooper, Pettis | 62 min |
| Jul 5, 7:15 AM CDT | Severe Thunderstorm Warning | SGF | Miller | 60 min |
| Jul 5, 7:16 AM CDT | Severe Thunderstorm Warning | LSX | Lincoln | 29 min |
| Jul 5, 7:24 AM CDT | Severe Thunderstorm Warning | LSX | Boone, Cole, Moniteau | 51 min |
| Jul 5, 7:36 AM CDT | Severe Thunderstorm Warning | EAX | Howard | 54 min |
| Jul 5, 7:44 AM CDT | Severe Thunderstorm Warning | SGF | Maries | 61 min |
| Jul 5, 7:54 AM CDT | Severe Thunderstorm Warning | LSX | Callaway, Osage | 36 min |
| Jul 5, 8:37 AM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 38 min |
| Jul 5, 8:38 AM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade, Montgomery, Warren | 37 min |
| Jul 5, 8:59 AM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 31 min |
| Jul 5, 9:02 AM CDT | Severe Thunderstorm Warning | LSX | Monroe | 28 min |
| Jul 5, 9:15 AM CDT | Severe Thunderstorm Warning | LSX | Clinton, Saint Clair | 45 min |
| Jul 5, 9:26 AM CDT | Severe Thunderstorm Warning | LSX | Saint Clair, Washington | 49 min |
| Jul 5, 9:52 AM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 38 min |
| Jul 5, 10:12 AM CDT | Severe Thunderstorm Warning | LSX | Macoupin, Montgomery | 48 min |
| Jul 5, 10:22 AM CDT | Severe Thunderstorm Warning | LSX | Bond, Clinton, Madison | 38 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 00:00Z, 11.9 hours before the alert went out and 270 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
- 2132 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 1232 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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, 4:00 PM CDT | Tornado Watch | SPC | Adams, Brown, Calhoun, Cass, Fulton, Greene and 15 more | 6 hr |
| 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
Severe Thunderstorm Watches in Missouri, 2004Severe Thunderstorm Watches in Illinois, 2004Every severe thunderstorm 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.