Alert archive / Kansas / Tornado Watches in 1998
Tornado Watch 409
The Storm Prediction Center issued this tornado watch at May 24, 1998, 5:30 PM CDT for 34 counties in Kansas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- May 24, 1998, 5:30 PM CDT (22:30 UTC)
- Expired
- May 25, 1998, 12:00 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 34 counties
Allen County, KS, Anderson County, KS, Barber County, KS, Barton County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Coffey County, KS, Cowley County, KS, Dickinson County, KS, Elk County, KS, Ellsworth County, KS, Franklin County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Labette County, KS, Lyon County, KS, Marion County, KS, McPherson County, KS, Montgomery County, KS, Morris County, KS, Neosho County, KS, Osage County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Saline County, KS, Sedgwick County, KS, Stafford County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS
The radar
The Wichita radar (KICT), 83 km from the middle of the area, began a volume at 22:33 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
31 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 6:16 PM CDT | Severe Thunderstorm Warning | ICT | Sedgwick | 64 min |
| May 24, 6:19 PM CDT | Severe Thunderstorm Warning | ICT | Reno | 61 min |
| May 24, 6:24 PM CDT | Severe Thunderstorm Warning | ICT | Kingman | 61 min |
| May 24, 6:28 PM CDT | Severe Thunderstorm Warning | ICT | Barton, Ellsworth | 62 min |
| May 24, 6:35 PM CDT | Severe Thunderstorm Warning | ICT | Harper | 65 min |
| May 24, 6:38 PM CDT | Severe Thunderstorm Warning | DDC | Pratt | 32 min |
| May 24, 6:48 PM CDT | Severe Thunderstorm Warning | DDC | Stafford | 47 min |
| May 24, 7:03 PM CDT | Tornado Warning | ICT | Sedgwick, Sumner | 57 min |
| May 24, 7:10 PM CDT | Tornado Warning | ICT | Harper | 45 min |
| May 24, 7:17 PM CDT | Severe Thunderstorm Warning | ICT | McPherson, Saline | 63 min |
| May 24, 7:19 PM CDT | Tornado Warning | ICT | Kingman | 61 min |
| May 24, 7:23 PM CDT | Severe Thunderstorm Warning | ICT | Cowley | 62 min |
| May 24, 7:30 PM CDT | Tornado Warning | ICT | Cowley | 60 min |
| May 24, 7:34 PM CDT | Tornado Warning | ICT | Sumner | 66 min |
| May 24, 7:38 PM CDT | Severe Thunderstorm Warning | ICT | Sedgwick | 62 min |
| May 24, 7:48 PM CDT | Severe Thunderstorm Warning | ICT | Chautauqua, Montgomery | 62 min |
| May 24, 7:49 PM CDT | Severe Thunderstorm Warning | DDC | Pratt | 46 min |
| May 24, 8:02 PM CDT | Tornado Warning | DDC | Barber | 48 min |
| May 24, 8:23 PM CDT | Severe Thunderstorm Warning | ICT | Harper | 67 min |
| May 24, 8:28 PM CDT | Tornado Warning | ICT | Cowley | 62 min |
| May 24, 8:34 PM CDT | Severe Thunderstorm Warning | DDC | Pratt | 46 min |
| May 24, 8:37 PM CDT | Tornado Warning | ICT | Sumner | 63 min |
| May 24, 8:46 PM CDT | Severe Thunderstorm Warning | TOP | Anderson | 44 min |
| May 24, 8:49 PM CDT | Tornado Warning | ICT | Harper | 61 min |
| May 24, 8:51 PM CDT | Severe Thunderstorm Warning | ICT | Montgomery | 49 min |
| May 24, 8:55 PM CDT | Severe Thunderstorm Warning | TOP | Anderson | 50 min |
| May 24, 8:58 PM CDT | Severe Thunderstorm Warning | DDC | Barber | 47 min |
| May 24, 9:04 PM CDT | Tornado Warning | ICT | Montgomery | 46 min |
| May 24, 9:28 PM CDT | Severe Thunderstorm Warning | ICT | Cowley | 62 min |
| May 24, 9:44 PM CDT | Severe Thunderstorm Warning | DDC | Barber | 61 min |
| May 24, 10:01 PM CDT | Severe Thunderstorm Warning | DDC | Barber | 49 min |
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 10.5 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1278 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- -109 m²/s²
- 0-3 km storm-relative helicity
- -115 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
874 WWUS9 KMKC 242212 SEL9 MKC WW 242212 KSZ000-250500- BULLETIN - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 409 STORM PREDICTION CENTER NORMAN OK 512 PM CDT SUN MAY 24 1998 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF CENTRAL AND EASTERN KANSAS EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 530 PM UNTIL MIDNIGHT CDT. TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 105 STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES EAST NORTHEAST OF SALINA KANSAS TO 50 MILES SOUTH SOUTHEAST OF WICHITA KANSAS. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. OTHER WATCH INFORMATION... CONTINUE...WW 406...WW 407...WW 408... DISCUSSION...CENTRAL KS SUPERCELL...LIKELY SUPPORTED BY HIGH LEVEL DIVERGENCE FIELD...SHOULD CONTINUE EWD AND EVENTUALLY BECOME SLIGHTLY ELEVATED. THREAT SHOULD...HOWEVER...CONTINUE FOR VERY LARGE HAIL/HIGH WINDS AND POSSIBLY A TORNADO WITH STORM. OTHER STORMS EXPECTED TO DEVELOP ALONG SRN AND WRN FLANK OF SUPERCELL AS SURGE OF RICH BOUNDARY LAYER MOISTURE CONTINUES NWD TO VICINITY OF STORM FROM CENTRAL OK. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR 26030. ...CORFIDI 385,0950 365,0951 365,0985 385,0990
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 2:00 PM CDT | Tornado Watch | SPC | Clark, Comanche, Edwards, Ellis, Finney, Ford and 23 more | 6 hr |
Nearby
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.