Alert archive / Kansas / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 171
The Storm Prediction Center issued this severe thunderstorm watch at Apr 22, 2001, 3:30 PM CDT for 24 counties in Kansas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 22, 2001, 3:30 PM CDT (20:30 UTC)
- Expired
- Apr 22, 2001, 9:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 24 counties
Cheyenne County, KS, Decatur County, KS, Edwards County, KS, Ellis County, KS, Finney County, KS, Gove County, KS, Graham County, KS, Gray County, KS, Hodgeman County, KS, Lane County, KS, Logan County, KS, Ness County, KS, Norton County, KS, Pawnee County, KS, Phillips County, KS, Rawlins County, KS, Rooks County, KS, Rush County, KS, Scott County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Trego County, KS, Wichita County, KS
The radar
The Goodland radar (KGLD), 139 km from the middle of the area, began a volume at 20:34 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.
Warnings issued inside it
1 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 4:38 PM CDT | Severe Thunderstorm Warning | GID | Phillips | 52 min |
The nearest sounding before it
Dodge City, (KDDC), launched 12:00Z, 8.5 hours before the alert went out and 151 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
- 1369 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 670 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 310 m²/s²
- 0-3 km storm-relative helicity
- 330 m²/s²
- Significant tornado parameter
- 1.8
- Supercell composite
- 9.0
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 21, 7:15 PM CDT | Severe Thunderstorm Watch | SPC | Barton, Clay, Cloud, Dickinson, Ellis, Ellsworth and 28 more | 5 hr |
| Apr 21, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Clark, Edwards, Ford, Grant, Gray, Haskell and 6 more | 5 hr |
| Apr 22, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | Barton, Chase, Clay, Cloud, Dickinson, Ellis and 28 more | 3 hr |
| Apr 22, 8:00 AM CDT | Severe Thunderstorm Watch | SPC | Cheyenne, Clark, Decatur, Finney, Ford, Gove and 25 more | 4 hr |
| Apr 22, 12:00 PM CDT | Tornado Watch | SPC | Barber, Barton, Cloud, Comanche, Cowley, Decatur and 35 more | 5 hr |
| Apr 22, 4:00 PM CDT | Tornado Watch | SPC | Allen, Anderson, Barton, Butler, Chase, Chautauqua and 45 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Kansas, 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.