Alert archive / Kansas / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 754
The Storm Prediction Center issued this severe thunderstorm watch at Sep 22, 2001, 11:45 PM CDT for 13 counties in Kansas; 5 counties in Missouri. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 22, 2001, 11:45 PM CDT (04:45 UTC)
- Expired
- Sep 23, 2001, 3:00 AM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
Counties Anderson County, KS, Atchison County, KS, Douglas County, KS, Franklin County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Osage County, KS, Shawnee County, KS, Wyandotte County, KS, Bates County, MO, Cass County, MO, Clay County, MO, Jackson County, MO, Platte County, MO
The radar
The Pleasant Hill radar (KEAX), 86 km from the middle of the area, began a volume at 04:45 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
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 11:46 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Shawnee | 44 min |
| Sep 23, 12:11 AM CDT | Severe Thunderstorm Warning | TOP | Douglas, Jefferson | 49 min |
| Sep 23, 12:11 AM CDT | Severe Thunderstorm Warning | TOP | Osage | 49 min |
| Sep 23, 12:17 AM CDT | Severe Thunderstorm Warning | EAX | Leavenworth | 43 min |
| Sep 23, 12:30 AM CDT | Severe Thunderstorm Warning | EAX | Johnson, Wyandotte | 75 min |
| Sep 23, 12:40 AM CDT | Severe Thunderstorm Warning | TOP | Franklin, Osage | 50 min |
| Sep 23, 1:42 AM CDT | Severe Thunderstorm Warning | TOP | Jackson, Pottawatomie | 38 min |
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 4.8 hours before the alert went out and 37 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
- 205 J/kg
- Mixed-layer CIN
- -495 J/kg
- Mixed-layer LCL
- 2070 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 321 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 |
|---|---|---|---|---|
| Sep 22, 9:00 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Cloud, Dickinson, Geary, Jewell, Lincoln and 13 more | 5 hr |
| Sep 23, 1:45 PM CDT | Severe Thunderstorm Watch | SPC | Bollinger, Butler, Cape Girardeau, Carter, Christian, Douglas and 14 more | 4 hr |
| Sep 23, 3:15 PM CDT | Severe Thunderstorm Watch | SPC | Mississippi, Scott | 5 hr |
Nearby
Severe Thunderstorm Watches in Kansas, 2001Severe Thunderstorm Watches in Missouri, 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.