Alert archive / Kansas / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 109
The Storm Prediction Center issued this severe thunderstorm watch at Apr 18, 2002, 1:45 AM CDT for 18 counties in Kansas. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 18, 2002, 1:45 AM CDT (06:45 UTC)
- Expired
- Apr 18, 2002, 5:00 AM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
Counties Barber County, KS, Butler County, KS, Chase County, KS, Dickinson County, KS, Ellsworth County, KS, Geary County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Marion County, KS, McPherson County, KS, Morris County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Saline County, KS, Sedgwick County, KS, Sumner County, KS
The radar
The Wichita radar (KICT), 45 km from the middle of the area, began a volume at 06:49 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
2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 2:29 AM CDT | Severe Thunderstorm Warning | ICT | Sedgwick | 46 min |
| Apr 18, 3:02 AM CDT | Severe Thunderstorm Warning | ICT | Butler | 58 min |
The nearest sounding before it
Dodge City, (KDDC), launched 00:00Z, 6.8 hours before the alert went out and 176 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 4097 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 4:00 PM CDT | Tornado Watch | SPC | Atchison, Barber, Brown, Butler, Chase, Chautauqua and 34 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Kansas, 2002Every severe thunderstorm watch in 2002
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.