Alert archive / Kansas / Severe Thunderstorm Watches in 2002
Severe Thunderstorm Watch 286
The Storm Prediction Center issued this severe thunderstorm watch at May 12, 2002, 12:30 AM CDT for 20 counties in Kansas; 6 counties in Missouri; 7 counties in Oklahoma. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 12, 2002, 12:30 AM CDT (05:30 UTC)
- Expired
- May 12, 2002, 6:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 33 counties
Allen County, KS, Anderson County, KS, Bourbon County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Cherokee County, KS, Coffey County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Greenwood County, KS, Labette County, KS, Linn County, KS, Lyon County, KS, Montgomery County, KS, Neosho County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS, Barton County, MO, Bates County, MO, Henry County, MO, Jasper County, MO, St. Clair County, MO, Vernon County, MO, Craig County, OK, Grant County, OK, Kay County, OK, Nowata County, OK, Osage County, OK, Ottawa County, OK, Washington County, OK
The radar
The Wichita radar (KICT), 108 km from the middle of the area, began a volume at 05:34 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
4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 12:54 AM CDT | Severe Thunderstorm Warning | ICT | Cowley | 51 min |
| May 12, 1:07 AM CDT | Severe Thunderstorm Warning | ICT | Greenwood | 53 min |
| May 12, 1:15 AM CDT | Flash Flood Warning | ICT | Butler | 6 hr |
| May 12, 2:38 AM CDT | Severe Thunderstorm Warning | ICT | Neosho | 67 min |
The nearest sounding before it
Lamont, OK (KLMN), launched 00:00Z, 5.5 hours before the alert went out and 134 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
- 1882 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 1037 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 242 m²/s²
- 0-3 km storm-relative helicity
- 286 m²/s²
- Significant tornado parameter
- 2.7
- Supercell composite
- 15.8
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 8:00 PM CDT | Tornado Watch | SPC | Barber, Butler, Chase, Comanche, Harper, Harvey and 10 more | 5 hr |
| May 12, 1:15 PM CDT | Severe Thunderstorm Watch | SPC | Cherokee | 6 hr |
| May 11, 7:00 PM CDT | Tornado Watch | SPC | Atchison, Gentry, Grundy, Harrison, Holt, Mercer and 2 more | 5 hr |
| May 12, 2:45 PM CDT | Severe Thunderstorm Watch | SPC | Franklin, Gasconade, Jefferson, Lincoln, Montgomery, Pike and 4 more | 5 hr |
| May 12, 6:15 PM CDT | Severe Thunderstorm Watch | SPC | Bollinger, Cape Girardeau, Franklin, Iron, Jefferson, Madison and 5 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Kansas, 2002Severe Thunderstorm Watches in Oklahoma, 2002Severe Thunderstorm Watches in Missouri, 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.