Alert archive / Kansas / Mesoscale Discussions in 2004
Mesoscale Discussion 2089
The Storm Prediction Center issued this mesoscale discussion at Aug 23, 2004, 5:34 PM CDT for 36 counties in Kansas; 11 counties in Missouri; 17 counties in Nebraska. It was in force for 116 min.
The area
The outline as issued.
The facts
- Issued
- Aug 23, 2004, 5:34 PM CDT (22:34 UTC)
- Expired
- Aug 23, 2004, 7:30 PM CDT
- In force
- 116 min
- Issued by
- the Storm Prediction Center
All 64 counties
Allen County, KS, Anderson County, KS, Atchison County, KS, Bourbon County, KS, Brown County, KS, Chase County, KS, Cherokee County, KS, Clay County, KS, Coffey County, KS, Crawford County, KS, Dickinson County, KS, Douglas County, KS, Franklin County, KS, Geary County, KS, Greenwood County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Labette County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Marshall County, KS, Miami County, KS, Morris County, KS, Nemaha County, KS, Neosho County, KS, Osage County, KS, Pottawatomie County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Washington County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Barton County, MO, Bates County, MO, Cass County, MO, Cedar County, MO, Dade County, MO, Greene County, MO, Jasper County, MO, Lawrence County, MO, Polk County, MO, St. Clair County, MO, Vernon County, MO, Butler County, NE, Cass County, NE, Fillmore County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Polk County, NE, Richardson County, NE, Saline County, NE, Saunders County, NE, Seward County, NE, Thayer County, NE, York County, NE
The radar
The Topeka radar (KTWX), 87 km from the middle of the area, began a volume at 22:34 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.
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 10.6 hours before the alert went out and 59 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
- 2729 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 770 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 2:14 AM CDT | Mesoscale Discussion | SPC | Barber, Butler, Chautauqua, Clark, Comanche, Cowley and 7 more | 2 hr |
| Aug 23, 3:37 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Decatur, Graham, Norton, Osborne, Phillips and 7 more | 113 min |
| Aug 23, 3:48 PM CDT | Mesoscale Discussion | SPC | Barber, Clark, Comanche, Edwards, Finney, Ford and 9 more | 117 min |
| Aug 23, 5:05 PM CDT | Severe Thunderstorm Watch | SPC | Cheyenne, Decatur, Rawlins, Sherman, Thomas | 6 hr |
| Aug 23, 6:15 PM CDT | Tornado Watch | SPC | Allen, Anderson, Atchison, Bourbon, Brown, Chase and 27 more | 7 hr |
| Aug 23, 2:23 PM CDT | Mesoscale Discussion | SPC | Adair, Audrain, Boone, Callaway, Carroll, Chariton and 18 more | 67 min |
| Aug 23, 2:58 PM CDT | Mesoscale Discussion | SPC | Antelope, Boone, Burt, Butler, Cass, Cedar and 23 more | 2 hr |
Nearby
Mesoscale Discussions in Kansas, 2004Mesoscale Discussions in Nebraska, 2004Mesoscale Discussions in Missouri, 2004Every mesoscale discussion 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.