Alert archive / Missouri / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 104
The Storm Prediction Center issued this severe thunderstorm watch at Apr 8, 2001, 7:30 PM CDT for 11 counties in Kansas; 21 counties in Missouri; 7 counties in Nebraska. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 8, 2001, 7:30 PM CDT (00:30 UTC)
- Expired
- Apr 9, 2001, 1:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 39 counties
Atchison County, KS, Brown County, KS, Cloud County, KS, Doniphan County, KS, Jackson County, KS, Marshall County, KS, Mitchell County, KS, Nemaha County, KS, Pottawatomie County, KS, Republic County, KS, Washington County, KS, Andrew County, MO, Atchison County, MO, Buchanan County, MO, Caldwell County, MO, Carroll 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, 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, Johnson County, NE, Nemaha County, NE, Pawnee County, NE, Richardson County, NE, Saline County, NE
The radar
The Topeka radar (KTWX), 102 km from the middle of the area, began a volume at 00:32 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
25 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 7:44 PM CDT | Severe Thunderstorm Warning | OAX | Gage, Lancaster | 31 min |
| Apr 8, 7:50 PM CDT | Severe Thunderstorm Warning | EAX | Nodaway | 40 min |
| Apr 8, 7:57 PM CDT | Severe Thunderstorm Warning | EAX | Holt | 48 min |
| Apr 8, 8:01 PM CDT | Severe Thunderstorm Warning | OAX | Jefferson, Saline | 29 min |
| Apr 8, 8:13 PM CDT | Severe Thunderstorm Warning | OAX | Gage, Lancaster | 32 min |
| Apr 8, 8:23 PM CDT | Severe Thunderstorm Warning | EAX | Nodaway | 52 min |
| Apr 8, 8:31 PM CDT | Severe Thunderstorm Warning | OAX | Jefferson | 29 min |
| Apr 8, 8:37 PM CDT | Tornado Warning | OAX | Gage | 23 min |
| Apr 8, 8:38 PM CDT | Severe Thunderstorm Warning | EAX | Holt | 37 min |
| Apr 8, 8:57 PM CDT | Tornado Warning | EAX | Nodaway, Worth | 33 min |
| Apr 8, 8:59 PM CDT | Tornado Warning | OAX | Gage | 31 min |
| Apr 8, 9:07 PM CDT | Severe Thunderstorm Warning | OAX | Jefferson | 23 min |
| Apr 8, 9:11 PM CDT | Severe Thunderstorm Warning | OAX | Gage | 34 min |
| Apr 8, 9:14 PM CDT | Severe Thunderstorm Warning | EAX | Holt, Nodaway | 61 min |
| Apr 8, 9:17 PM CDT | Severe Thunderstorm Warning | OAX | Johnson | 28 min |
| Apr 8, 9:27 PM CDT | Severe Thunderstorm Warning | EAX | Worth | 48 min |
| Apr 8, 9:31 PM CDT | Tornado Warning | OAX | Gage | 29 min |
| Apr 8, 9:47 PM CDT | Tornado Warning | OAX | Johnson | 28 min |
| Apr 8, 10:16 PM CDT | Severe Thunderstorm Warning | OAX | Johnson, Nemaha | 29 min |
| Apr 8, 10:38 PM CDT | Severe Thunderstorm Warning | EAX | Atchison | 37 min |
| Apr 8, 10:46 PM CDT | Severe Thunderstorm Warning | OAX | Nemaha | 29 min |
| Apr 8, 11:11 PM CDT | Severe Thunderstorm Warning | OAX | Nemaha, Otoe | 34 min |
| Apr 8, 11:13 PM CDT | Severe Thunderstorm Warning | OAX | Gage | 32 min |
| Apr 8, 11:32 PM CDT | Severe Thunderstorm Warning | OAX | Johnson | 28 min |
| Apr 8, 11:44 PM CDT | Severe Thunderstorm Warning | OAX | Nemaha, Otoe | 31 min |
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 0.5 hours before the alert went out and 99 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
- 1114 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 1896 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 168 m²/s²
- 0-3 km storm-relative helicity
- 328 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 8.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 4:15 PM CDT | Tornado Watch | SPC | Allen, Anderson, Bourbon, Chautauqua, Coffey, Cowley and 9 more | 6 hr |
| Apr 9, 6:45 PM CDT | Severe Thunderstorm Watch | SPC | Bourbon, Crawford, Johnson, Linn, Miami, Wyandotte | 6 hr |
Nearby
Severe Thunderstorm Watches in Missouri, 2001Severe Thunderstorm Watches in Kansas, 2001Severe Thunderstorm Watches in Nebraska, 2001Every severe thunderstorm watch in 2001
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.