Alert archive / Kansas / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 84
The Storm Prediction Center issued this severe thunderstorm watch at Apr 3, 2003, 9:20 PM CST for 4 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 3, 2003, 9:20 PM CST (03:20 UTC)
- Expired
- Apr 4, 2003, 3:00 AM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 61 counties
Appanoose County, IA, Decatur County, IA, Monroe County, IA, Ringgold County, IA, Wayne County, IA, Atchison County, KS, Barton County, KS, Brown County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Doniphan County, KS, Ellsworth County, KS, Geary County, KS, Jackson County, KS, Jefferson County, KS, Jewell County, KS, Leavenworth County, KS, Lincoln County, KS, Marshall County, KS, Mitchell County, KS, Nemaha County, KS, Osborne County, KS, Ottawa County, KS, Pottawatomie County, KS, Republic County, KS, Riley County, KS, Russell County, KS, Saline County, KS, Shawnee County, KS, Smith County, KS, Wabaunsee County, KS, Washington County, KS, Adair County, MO, Andrew County, MO, Atchison County, MO, Buchanan County, MO, Caldwell County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Holt County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Mercer County, MO, Nodaway County, MO, Platte County, MO, Putnam County, MO, Schuyler County, MO, Sullivan County, MO, Worth County, MO, Gage County, NE, Jefferson County, NE, Nemaha County, NE, Pawnee County, NE, Richardson County, NE
The radar
The Topeka radar (KTWX), 86 km from the middle of the area, began a volume at 03:24 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.
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 00:00Z, 3.3 hours before the alert went out and 105 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
- 506 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 1370 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.5
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 8:39 PM CST | Mesoscale Discussion | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Fremont and 11 more | 2 hr |
| Apr 3, 11:44 PM CST | Mesoscale Discussion | SPC | Appanoose, Clarke, Decatur, Lucas, Monroe, Page and 3 more | 2 hr |
| Apr 4, 1:47 AM CST | Mesoscale Discussion | SPC | Appanoose, Clarke, Decatur, Lucas, Monroe, Page and 3 more | 88 min |
| Apr 4, 1:33 PM CST | Mesoscale Discussion | SPC | Allamakee, Clayton, Fayette | 6 hr |
| Apr 4, 7:23 AM CST | Mesoscale Discussion | SPC | Lincoln, Pike, Saint Charles, Saint Louis, City of Saint Louis | 97 min |
| Apr 4, 11:10 AM CST | Mesoscale Discussion | SPC | Audrain, Benton, Boone, Callaway, Camden, Cole and 23 more | 95 min |
| Apr 4, 12:05 PM CST | Tornado Watch | SPC | Audrain, Benton, Boone, Callaway, Camden, Carroll and 28 more | 5 hr |
| Apr 4, 1:12 PM CST | Mesoscale Discussion | SPC | Audrain, Boone, Callaway, Camden, Christian, Cole and 38 more | 93 min |
| Apr 4, 4:25 PM CST | Tornado Watch | SPC | Bollinger, Butler, Cape Girardeau, Carter, Crawford, Dent and 22 more | 6 hr |
| Apr 4, 4:43 PM CST | Mesoscale Discussion | SPC | Dunklin, Pemiscot | 3 hr |
Nearby
Severe Thunderstorm Watches in Kansas, 2003Severe Thunderstorm Watches in Missouri, 2003Severe Thunderstorm Watches in Iowa, 2003Every severe thunderstorm watch in 2003
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.