Alert archive / Missouri / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 802
The Storm Prediction Center issued this severe thunderstorm watch at Sep 19, 2005, 5:50 PM CDT for 13 counties in Illinois; 15 counties in Missouri. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 19, 2005, 5:50 PM CDT (22:50 UTC)
- Expired
- Sep 19, 2005, 11:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 28 counties
Calhoun County, IL, Christian County, IL, Greene County, IL, Jersey County, IL, Logan County, IL, Macoupin County, IL, Madison County, IL, Menard County, IL, Montgomery County, IL, Morgan County, IL, Pike County, IL, Sangamon County, IL, Scott County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, Cole County, MO, Franklin County, MO, Gasconade County, MO, Lincoln County, MO, Maries County, MO, Montgomery County, MO, Osage County, MO, Pike County, MO, Ralls County, MO, Saint Charles County, MO, Saint Louis County, MO, Warren County, MO
The radar
The St Louis radar (KLSX), 81 km from the middle of the area, began a volume at 22:52 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
20 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 19, 6:09 PM CDT | Severe Thunderstorm Warning | ILX | Logan, Menard, Sangamon | 66 min |
| Sep 19, 6:18 PM CDT | Severe Thunderstorm Warning | LSX | Callaway | 72 min |
| Sep 19, 6:21 PM CDT | Flash Flood Warning | LSX | Boone | 114 min |
| Sep 19, 6:28 PM CDT | Severe Thunderstorm Warning | LSX | Cole | 52 min |
| Sep 19, 6:44 PM CDT | Flash Flood Warning | LSX | Callaway, Montgomery | 3 hr |
| Sep 19, 6:51 PM CDT | Severe Thunderstorm Warning | LSX | Osage | 30 min |
| Sep 19, 6:54 PM CDT | Tornado Warning | LSX | Callaway | 28 min |
| Sep 19, 6:58 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 47 min |
| Sep 19, 6:59 PM CDT | Tornado Warning | LSX | Montgomery | 46 min |
| Sep 19, 7:04 PM CDT | Severe Thunderstorm Warning | LSX | Gasconade | 26 min |
| Sep 19, 7:08 PM CDT | Severe Thunderstorm Warning | ILX | Christian | 47 min |
| Sep 19, 7:15 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Warren | 45 min |
| Sep 19, 7:35 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 49 min |
| Sep 19, 7:47 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis | 47 min |
| Sep 19, 7:56 PM CDT | Severe Thunderstorm Warning | LSX | Boone | 45 min |
| Sep 19, 8:23 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 45 min |
| Sep 19, 9:07 PM CDT | Severe Thunderstorm Warning | LSX | Cole | 8 min |
| Sep 19, 9:15 PM CDT | Severe Thunderstorm Warning | LSX | Osage | 45 min |
| Sep 19, 9:50 PM CDT | Severe Thunderstorm Warning | SGF | Maries | 48 min |
| Sep 19, 10:11 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 34 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, 10.8 hours before the alert went out and 176 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
- 357 J/kg
- Mixed-layer CIN
- -217 J/kg
- Mixed-layer LCL
- 613 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 433 m²/s²
- 0-3 km storm-relative helicity
- 545 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 11.5
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 18, 8:13 PM CDT | Mesoscale Discussion | SPC | Adams, Hancock, Henderson, McDonough, Mercer, Schuyler and 1 more | 62 min |
| Sep 19, 1:34 AM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Cass, Christian, Coles, DeWitt and 30 more | 86 min |
| Sep 19, 11:49 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 13 more | 86 min |
| Sep 19, 1:00 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Cass, Fulton, Hancock, Henderson and 11 more | 5 hr |
| Sep 19, 3:02 PM CDT | Mesoscale Discussion | SPC | Champaign, DeWitt, Ford, Grundy, Iroquois, Kankakee and 6 more | 88 min |
| Sep 19, 3:25 PM CDT | Severe Thunderstorm Watch | SPC | Champaign, Coles, DeWitt, Douglas, Edgar, Ford and 9 more | 6 hr |
| Sep 19, 3:48 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Cass, Fulton, Hancock and 14 more | 87 min |
| Sep 19, 5:20 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Christian, Clinton, Effingham, Fayette and 11 more | 55 min |
| Sep 19, 5:54 PM CDT | Mesoscale Discussion | SPC | Cass, Champaign, Christian, Clark, Coles, Crawford and 16 more | 96 min |
| Sep 18, 10:00 PM CDT | Mesoscale Discussion | SPC | Putnam, Worth | 60 min |
Nearby
Severe Thunderstorm Watches in Missouri, 2005Severe Thunderstorm Watches in Illinois, 2005Every severe thunderstorm watch in 2005
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.