Alert archive / Kansas / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 501
The Storm Prediction Center issued this severe thunderstorm watch at Jun 20, 2004, 5:35 PM CDT for 31 counties in Kansas; 4 counties in Nebraska. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 20, 2004, 5:35 PM CDT (22:35 UTC)
- Expired
- Jun 21, 2004, 12:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 35 counties
Cheyenne County, KS, Clark County, KS, Decatur County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Graham County, KS, Grant County, KS, Gray County, KS, Greeley County, KS, Hamilton County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Lane County, KS, Logan County, KS, Meade County, KS, Morton County, KS, Ness County, KS, Norton County, KS, Rawlins County, KS, Scott County, KS, Seward County, KS, Sheridan County, KS, Sherman County, KS, Stanton County, KS, Stevens County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Wichita County, KS, Dundy County, NE, Furnas County, NE, Hitchcock County, NE, Red Willow County, NE
The radar
The Goodland radar (KGLD), 100 km from the middle of the area, began a volume at 22:37 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
13 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 6:27 PM CDT | Severe Thunderstorm Warning | DDC | Morton | 48 min |
| Jun 20, 7:41 PM CDT | Severe Thunderstorm Warning | GLD | Sherman | 64 min |
| Jun 20, 8:14 PM CDT | Tornado Warning | DDC | Hamilton | 46 min |
| Jun 20, 8:31 PM CDT | Severe Thunderstorm Warning | DDC | Meade | 44 min |
| Jun 20, 8:45 PM CDT | Severe Thunderstorm Warning | DDC | Hamilton | 30 min |
| Jun 20, 8:57 PM CDT | Severe Thunderstorm Warning | DDC | Kearny | 48 min |
| Jun 20, 8:57 PM CDT | Severe Thunderstorm Warning | GLD | Wallace | 63 min |
| Jun 20, 9:08 PM CDT | Severe Thunderstorm Warning | DDC | Clark | 52 min |
| Jun 20, 9:24 PM CDT | Severe Thunderstorm Warning | DDC | Finney | 51 min |
| Jun 20, 10:19 PM CDT | Severe Thunderstorm Warning | DDC | Gray | 26 min |
| Jun 20, 11:06 PM CDT | Severe Thunderstorm Warning | DDC | Hodgeman | 39 min |
| Jun 20, 11:20 PM CDT | Severe Thunderstorm Warning | DDC | Ford | 40 min |
| Jun 20, 11:26 PM CDT | Severe Thunderstorm Warning | DDC | Trego | 49 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
Denver, CO (KDNR), launched 12:00Z, 10.6 hours before the alert went out and 243 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
- 399 J/kg
- Mixed-layer CIN
- -219 J/kg
- Mixed-layer LCL
- 795 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 1:22 AM CDT | Mesoscale Discussion | SPC | Finney, Ford, Grant, Gray, Haskell, Kearny | 83 min |
| Jun 20, 6:08 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Clark, Decatur, Finney, Ford, Gove and 25 more | 2 hr |
| Jun 20, 5:13 PM CDT | Mesoscale Discussion | SPC | Arthur, Banner, Box Butte, Cheyenne, Dawes, Deuel and 9 more | 3 hr |
Nearby
Severe Thunderstorm Watches in Kansas, 2004Severe Thunderstorm Watches in Nebraska, 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.