Alert archive / Missouri / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 792
The Storm Prediction Center issued this severe thunderstorm watch at Aug 27, 2004, 2:45 PM CDT for 16 counties in Kansas; 23 counties in Missouri. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 27, 2004, 2:45 PM CDT (19:45 UTC)
- Expired
- Aug 27, 2004, 9:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 39 counties
Atchison County, KS, Coffey County, KS, Doniphan County, KS, Douglas County, KS, Franklin County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Lyon County, KS, Miami County, KS, Osage County, KS, Pottawatomie County, KS, Shawnee County, KS, Wabaunsee County, KS, Wyandotte County, KS, Adair County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Grundy County, MO, Jackson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Mercer County, MO, Platte County, MO, Putnam County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, Sullivan County, MO
The radar
The Pleasant Hill radar (KEAX), 79 km from the middle of the area, began a volume at 19:48 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
27 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 4:00 PM CDT | Severe Thunderstorm Warning | EAX | Mercer, Putnam | 75 min |
| Aug 27, 4:23 PM CDT | Severe Thunderstorm Warning | EAX | Putnam, Schuyler | 82 min |
| Aug 27, 5:10 PM CDT | Flash Flood Warning | EAX | Mercer | 6 hr |
| Aug 27, 5:20 PM CDT | Flash Flood Warning | EAX | Putnam, Sullivan | 6 hr |
| Aug 27, 5:34 PM CDT | Flash Flood Warning | EAX | Grundy | 6 hr |
| Aug 27, 5:57 PM CDT | Severe Thunderstorm Warning | EAX | Grundy, Sullivan | 78 min |
| Aug 27, 6:09 PM CDT | Severe Thunderstorm Warning | EAX | Leavenworth, Wyandotte | 66 min |
| Aug 27, 6:19 PM CDT | Severe Thunderstorm Warning | EAX | Johnson | 56 min |
| Aug 27, 6:50 PM CDT | Flash Flood Warning | EAX | Johnson, Wyandotte | 6 hr |
| Aug 27, 7:08 PM CDT | Severe Thunderstorm Warning | EAX | Doniphan | 67 min |
| Aug 27, 7:12 PM CDT | Severe Thunderstorm Warning | EAX | Jackson | 78 min |
| Aug 27, 7:19 PM CDT | Severe Thunderstorm Warning | EAX | Johnson, Wyandotte | 56 min |
| Aug 27, 7:21 PM CDT | Severe Thunderstorm Warning | TOP | Lyon | 54 min |
| Aug 27, 7:28 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Ray | 92 min |
| Aug 27, 7:33 PM CDT | Severe Thunderstorm Warning | EAX | Buchanan | 57 min |
| Aug 27, 7:38 PM CDT | Severe Thunderstorm Warning | EAX | Caldwell | 67 min |
| Aug 27, 7:39 PM CDT | Flash Flood Warning | EAX | Clay, Jackson | 6 hr |
| Aug 27, 7:40 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Jefferson | 50 min |
| Aug 27, 7:56 PM CDT | Severe Thunderstorm Warning | TOP | Osage | 49 min |
| Aug 27, 8:09 PM CDT | Flash Flood Warning | EAX | Caldwell, Daviess, Livingston | 6 hr |
| Aug 27, 8:10 PM CDT | Severe Thunderstorm Warning | EAX | Atchison, Leavenworth | 50 min |
| Aug 27, 8:28 PM CDT | Flash Flood Warning | TOP | Douglas | 3 hr |
| Aug 27, 8:31 PM CDT | Severe Thunderstorm Warning | TOP | Jefferson | 14 min |
| Aug 27, 8:38 PM CDT | Severe Thunderstorm Warning | EAX | Carroll | 67 min |
| Aug 27, 8:40 PM CDT | Flash Flood Warning | EAX | Leavenworth | 6 hr |
| Aug 27, 8:47 PM CDT | Severe Thunderstorm Warning | TOP | Douglas | 28 min |
| Aug 27, 8:59 PM CDT | Flash Flood Warning | EAX | Platte | 6 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
Topeka, KS (KTOP), launched 12:00Z, 7.8 hours before the alert went out and 85 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
- 2123 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 790 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 273 m²/s²
- 0-3 km storm-relative helicity
- 272 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 12.6
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 1:07 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Atchison, Bourbon, Butler, Chase and 24 more | 113 min |
| Aug 27, 3:49 PM CDT | Mesoscale Discussion | SPC | Atchison, Coffey, Doniphan, Douglas, Franklin, Jackson and 10 more | 86 min |
| Aug 27, 4:54 PM CDT | Mesoscale Discussion | SPC | Butler, Cowley, Sumner | 96 min |
| Aug 27, 5:20 PM CDT | Severe Thunderstorm Watch | SPC | Butler, Chautauqua, Cowley, Elk, Sumner, Wilson | 6 hr |
| Aug 26, 7:45 PM CDT | Mesoscale Discussion | SPC | Andrew, Atchison, Daviess, Gentry, Harrison, Holt and 3 more | 90 min |
| Aug 26, 9:13 PM CDT | Mesoscale Discussion | SPC | Adair, Gentry, Grundy, Harrison, Knox, Mercer and 6 more | 62 min |
| Aug 26, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Clark, Gentry, Grundy, Harrison, Knox and 7 more | 6 hr |
| Aug 27, 1:49 AM CDT | Mesoscale Discussion | SPC | Adair, Clark, Grundy, Harrison, Knox, Lewis and 5 more | 56 min |
| Aug 27, 9:24 AM CDT | Mesoscale Discussion | SPC | Audrain, Bates, Benton, Boone, Callaway, Camden and 30 more | 96 min |
| Aug 27, 9:40 AM CDT | Severe Thunderstorm Watch | SPC | Audrain, Barton, Bates, Benton, Boone, Callaway and 33 more | 5 hr |
| Aug 27, 2:45 PM CDT | Severe Thunderstorm Watch | SPC | Audrain, Barton, Bates, Benton, Boone, Callaway and 32 more | 6 hr |
| Aug 27, 4:10 PM CDT | Mesoscale Discussion | SPC | Clark, Knox, Lewis, Putnam, Schuyler, Scotland | 2 hr |
Nearby
Severe Thunderstorm Watches in Missouri, 2004Severe Thunderstorm Watches in Kansas, 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.