Alert archive / Kansas / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 494
The Storm Prediction Center issued this severe thunderstorm watch at Jun 17, 2004, 11:50 PM CDT for 12 counties in Kansas; 11 counties in Oklahoma. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 17, 2004, 11:50 PM CDT (04:50 UTC)
- Expired
- Jun 18, 2004, 4:00 AM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 23 counties
Butler County, KS, Chase County, KS, Cowley County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Marion County, KS, McPherson County, KS, Reno County, KS, Rice County, KS, Sedgwick County, KS, Sumner County, KS, Alfalfa County, OK, Blaine County, OK, Garfield County, OK, Grant County, OK, Kay County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Noble County, OK, Pawnee County, OK, Payne County, OK
The radar
The Vance AFB radar (KVNX), 36 km from the middle of the area, began a volume at 04:52 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
3 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 12:02 AM CDT | Severe Thunderstorm Warning | OUN | Canadian, Kingfisher | 43 min |
| Jun 18, 12:12 AM CDT | Severe Thunderstorm Warning | ICT | Kingman, Reno | 63 min |
| Jun 18, 12:54 AM CDT | Severe Thunderstorm Warning | ICT | Sedgwick, Sumner | 66 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Lamont, OK (KLMN), launched 00:00Z, 4.8 hours before the alert went out and 33 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
- 2267 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1549 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.4
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 7:38 PM CDT | Mesoscale Discussion | SPC | Finney, Gove, Grant, Gray, Greeley, Hamilton and 12 more | 2 hr |
| Jun 17, 8:15 PM CDT | Mesoscale Discussion | SPC | Barber, Clark, Comanche, Edwards, Finney, Ford and 22 more | 30 min |
| Jun 17, 8:35 PM CDT | Severe Thunderstorm Watch | SPC | Clark, Comanche, Edwards, Ellis, Finney, Ford and 23 more | 5 hr |
| Jun 17, 9:51 PM CDT | Mesoscale Discussion | SPC | Clark, Comanche, Edwards, Ellis, Finney, Ford and 17 more | 54 min |
| Jun 17, 11:44 PM CDT | Mesoscale Discussion | SPC | Barber, Barton, Butler, Chase, Comanche, Cowley and 21 more | 91 min |
| Jun 18, 1:29 AM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Butler, Chase, Chautauqua, Coffey and 19 more | 91 min |
| Jun 17, 9:19 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Beaver, Beckham, Blaine, Caddo, Comanche and 15 more | 26 min |
| Jun 17, 9:40 PM CDT | Severe Thunderstorm Watch | SPC | Beaver, Beckham, Blaine, Custer, Dewey, Ellis and 9 more | 5 hr |
| Jun 18, 10:49 AM CDT | Mesoscale Discussion | SPC | Adair, Atoka, Bryan, Carter, Cherokee, Choctaw and 23 more | 116 min |
| Jun 18, 3:30 PM CDT | Severe Thunderstorm Watch | SPC | Beaver, Cimarron, Texas | 7 hr |
| Jun 18, 3:51 PM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Caddo, Carter, Choctaw, Cleveland and 26 more | 114 min |
Nearby
Severe Thunderstorm Watches in Kansas, 2004Severe Thunderstorm Watches in Oklahoma, 2004Every severe thunderstorm watch in 2004
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.