Alert archive / Kansas / Severe Thunderstorm Watches in 1997
Severe Thunderstorm Watch 711
The Storm Prediction Center issued this severe thunderstorm watch at Aug 21, 1997, 11:45 PM CDT for 37 counties in Kansas; 17 counties in Oklahoma; 6 counties in Texas. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 21, 1997, 11:45 PM CDT (04:45 UTC)
- Expired
- Aug 22, 1997, 4:00 AM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 60 counties
Barber County, KS, Barton County, KS, Clark County, KS, Comanche County, KS, Cowley County, KS, Edwards County, KS, Finney County, KS, Ford County, KS, Grant County, KS, Gray County, KS, Greeley County, KS, Hamilton County, KS, Harper County, KS, Harvey County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kingman County, KS, Kiowa County, KS, Lane County, KS, Marion County, KS, McPherson County, KS, Meade County, KS, Ness County, KS, Pawnee County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Rush County, KS, Scott County, KS, Sedgwick County, KS, Seward County, KS, Stafford County, KS, Stanton County, KS, Stevens County, KS, Sumner County, KS, Wichita County, KS, Alfalfa County, OK, Beaver County, OK, Blaine County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grant County, OK, Harper County, OK, Kay County, OK, Kingfisher County, OK, Logan County, OK, Major County, OK, Noble County, OK, Payne County, OK, Texas County, OK, Woods County, OK, Woodward County, OK, Hansford County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Ochiltree County, TX, Roberts County, TX
The radar
The Vance AFB radar (KVNX), 103 km from the middle of the area, began a volume at 04:44 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
24 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 12:09 AM CDT | Severe Thunderstorm Warning | ICT | Rice | 61 min |
| Aug 22, 12:17 AM CDT | Flash Flood Warning | ICT | Rice | 3 hr |
| Aug 22, 12:20 AM CDT | Severe Thunderstorm Warning | DDC | Scott | 50 min |
| Aug 22, 12:24 AM CDT | Severe Thunderstorm Warning | ICT | Barton | 36 min |
| Aug 22, 12:25 AM CDT | Severe Thunderstorm Warning | DDC | Stafford | 35 min |
| Aug 22, 12:25 AM CDT | Severe Thunderstorm Warning | ICT | Reno | 60 min |
| Aug 22, 12:42 AM CDT | Severe Thunderstorm Warning | DDC | Pratt | 48 min |
| Aug 22, 12:44 AM CDT | Severe Thunderstorm Warning | ICT | Kingman | 61 min |
| Aug 22, 1:11 AM CDT | Severe Thunderstorm Warning | ICT | Harper | 64 min |
| Aug 22, 1:29 AM CDT | Severe Thunderstorm Warning | DDC | Ford, Hodgeman | 56 min |
| Aug 22, 1:29 AM CDT | Severe Thunderstorm Warning | OUN | Woods | 61 min |
| Aug 22, 1:30 AM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Grant | 60 min |
| Aug 22, 1:35 AM CDT | Severe Thunderstorm Warning | ICT | Sumner | 60 min |
| Aug 22, 1:37 AM CDT | Severe Thunderstorm Warning | ICT | Sedgwick | 58 min |
| Aug 22, 2:00 AM CDT | Severe Thunderstorm Warning | ICT | Cowley | 65 min |
| Aug 22, 2:00 AM CDT | Severe Thunderstorm Warning | OUN | Kay | 60 min |
| Aug 22, 2:17 AM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Woods | 48 min |
| Aug 22, 2:17 AM CDT | Severe Thunderstorm Warning | OUN | Grant | 48 min |
| Aug 22, 2:18 AM CDT | Severe Thunderstorm Warning | DDC | Clark | 47 min |
| Aug 22, 2:30 AM CDT | Severe Thunderstorm Warning | OUN | Garfield, Major | 60 min |
| Aug 22, 2:40 AM CDT | Severe Thunderstorm Warning | OUN | Harper, Woodward | 60 min |
| Aug 22, 2:55 AM CDT | Severe Thunderstorm Warning | OUN | Kay, Noble | 60 min |
| Aug 22, 2:59 AM CDT | Severe Thunderstorm Warning | OUN | Woods | 61 min |
| Aug 22, 3:58 AM CDT | Severe Thunderstorm Warning | OUN | Custer, Dewey | 62 min |
The nearest sounding before it
Dodge City, (KDDC), launched 00:00Z, 4.8 hours before the alert went out and 100 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
- 3676 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 1196 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 151 m²/s²
- 0-3 km storm-relative helicity
- 246 m²/s²
- Significant tornado parameter
- 4.0
- Supercell composite
- 21.2
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 |
|---|---|---|---|---|
| Aug 21, 7:00 PM CDT | Tornado Watch | SPC | Cheyenne, Decatur, Gove, Graham, Greeley, Lane and 11 more | 6 hr |
| Aug 21, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | Barber, Barton, Clay, Cloud, Comanche, Dickinson and 29 more | 6 hr |
| Aug 22, 3:30 AM CDT | Severe Thunderstorm Watch | SPC | Beckham, Blaine, Caddo, Canadian, Cleveland, Comanche and 30 more | 6 hr |
| Aug 22, 11:30 AM CDT | Severe Thunderstorm Watch | SPC | Anderson, Angelina, Cherokee, Freestone, Harrison, Henderson and 17 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Kansas, 1997Severe Thunderstorm Watches in Oklahoma, 1997Severe Thunderstorm Watches in Texas, 1997Every severe thunderstorm watch in 1997
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.