Alert archive / Kansas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 49, NWS Wichita, KS
NWS Wichita, KS issued this severe thunderstorm warning at May 20, 1990, 9:58 PM CDT for Allen County, Bourbon County, Kansas. It was in force for 32 min.
The area
The counties it named.
The facts
- Issued
- May 20, 1990, 9:58 PM CDT (02:58 UTC)
- Expired
- May 20, 1990, 10:30 PM CDT
- In force
- 32 min
- Issued by
- NWS Wichita, KS
- Area
- Whole counties
Counties Allen County, KS, Bourbon County, KS
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 3.0 hours before the alert went out and 135 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
- 1191 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KICT 210258
SVRICT
KSC001-011-210400-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WICHITA KS
958 PM CDT SUN MAY 20 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1100 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE SOUTHEAST PART OF KANSAS
EASTERN ALLEN...BOURBON
AT 950 PM RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES IN
DIAMETER 1ND CENTERED ABOUT 15 MILES SOUTHEAST OF IOLA OR ABOUT
20 MILES NORTHEAST OF CHANUTE KANSAS. THIS SEVERE THUNDERSTORM WAS
MOVING EAST AT 20 MILES AN HOURAND SHOULD MOVE OVER OR NEAR THE
TOWNS OF MORAN...UNION TOWN AND REDFIELD BY 1100 PM.
IF YOU ARE IN AN AREA THREATENED BY THE STORM...GO TO A
REINFORCED SHELTER AND PREPARE FOR DAMAGING WIND...LARGE HAIL...
VERY HEAVY RAIN...AND LIGHTNING.
ELANDWhat forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, May 20, 7:19 PM CDT, 2 hours 39 minutes before
KSZ017-200115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA KS 717 PM CDT SUN MAY 20 1990 ...FLASH FLOOD WATCH FOR MOST OF SOUTHEAST KANSAS TONIGHT... PEA SIZE HAIL WAS REPORTED BY THE CTHEROKKE COUNTY SHERIFF JUST SOUTH OF COLUMBUS KANSAS AT 713PM. HEAVY RAIN...SMALL HAIL...STONG GUSTY AND DANGEROUS LIGHTNING ARE LIKELY WITH THIS THUNDERSTORM AS IT MOVES SLOWLY TO THE NORTHEAST. ELAND
Special weather statement, May 20, 7:22 PM CDT, 2 hours 36 minutes before
KSZ017-200115- SPECIAL WEATHER STATEMENT...CORRECTION... NATIONAL WEATHER SERVICE WICHITA KS 717 PM CDT SUN MAY 20 1990 ...FLASH FLOOD WATCH FOR MOST OF SOUTHEAST KANSAS TONIGHT... PEA SIZE HAIL W\AS REPORTED BY THE CHEROKEE COUNTY SHERIFF JUST SOUTH OF COLUMBUS KANSAS AT 713PM. HEAVY RAIN...SMALL HAIL...STONG GUSTY WINDS AND DANGEROUS LIGHTNING ARE LIKELY WITH THIS THUNDERSTORM AS IT MOVES SLOWLY TO THE NORTHEAST. ELAND
Special weather statement, May 20, 7:40 PM CDT, 2 hours 18 minutes before
KSZ009-011-012-014-017-210140- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE WICHITA KS 740 PM CDT SUN MAY 20 1990 ...TORNADO WATCH #284 FOR PORTIONS OF SOUTHERN KANSAS IS IN EFFECT UNTIL 11 PM CDT... ...FLASH FLOOD WATCH FOR MOST OF SOUTHEAST KANSAS TONIGHT... AT 727 PM CDT...ISOLATED SEVERE THUNDERSTORMS HAD DEVELOPED IN SOUTHEAST KANSAS WHILE THUNDERSTORM PRODUCING VERY HEAVY CONTINUED IN NORTH CENTRAL KANSAS AND WERE DEVELOPING INTO EAST CENTRAL KANSAS. SCATTERED THUNDERSTORMS HAD DEVELOPED IN SOUTHEAST KANSAS. SEVERE THUNDERSTORMS WERE JUST EAST OF COFFEYVILLE AND JUST NORTH OF COLUMBUS OR 15 MILES WEST OF JOPLIN MISSOURI. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING WINDS IN EXCESS OF 60 MILES AN HOUR...LARGE HAIL...VERY HEAVY RAIN AND DANGEROUS LIGHTNING. MOVEMENT WAS TO THE NORTHEAST AT 20 MILES AN HOUR. ELSEWHERE SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAIN CONTINUED FROM NORTH CENTRAL INTO SOUTHEAST KANSAS. THUNDERSTORMS PRODUCING VERY HEAVY RAIN WERE 20 MILES NORTHWEST OF SALINA AND 10 MILES SOUTHEAST OF CONCORDIA. MOVEMENT WAS TO THE NORTHEAST AT 25 MILES AN HOUR. ROSNER
Special weather statement, May 20, 8:39 PM CDT, 1 hour 19 minutes before
KSZ009-011-012-014-017-210140- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE WICHITA KS 838 PM CDT SUN MAY 20 1990 ...TORNADO WATCH #284 FOR PORTIONS OF SOUTHERN KANSAS IS IN EFFECT UNTIL 11 PM CDT... ...FLASH FLOOD WATCH FOR MOST OF SOUTHEAST KANSAS TONIGHT... AT 827 PM CDT...ISOLATED SEVERE THUNDERSTORMS CONTINUED IN SOUTHEAST KANSAS WHILE THUNDERSTORM PRODUCING VERY HEAVY RAIN CONTINUED IN NORTH CENTRAL KANSAS AND EXTENDED INTO EAST CENTRAL KANSAS. SEVERE THUNDERSTORMS WERE 20 AND 30 MILES EAST OF COFFEYVILLE. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING WIND IN EXCESS OF 60 MILES AN HOUR...LARGE HAIL...VERY HEAVY RAIN AND DANGEROUS LIGHTNING. MOEVEMENT WAS TO THE EAST NORTHEAST AT 25 MILES AN HOUR. ELSEWHERE SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAIN EXTENDED FROM NORTH CENTRAL INTO SOUTH EAST KANSAS. THUNDERSTORMS PRODUCING VERY HEAVY RAIN EXTENDED FROM 25 MILES NORTHEAST OF EMPORIA TO 15 MILES SOUTHWEST OF OTTAWA. MOVEMENT WAS TO THE NORTHEAST AT 20 MILES AN HOUR. ROSNER
Special weather statement, May 20, 8:43 PM CDT, 1 hour 15 minutes before
KSZ009-011-012-014-017-210240- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTION NATIONAL WEATHER SERVICE WICHITA KS 838 PM CDT SUN MAY 20 1990 ...TORNADO WATCH #284 FOR PORTIONS OF SOUTHERN KANSAS IS IN EFFECT UNTIL 11 PM CDT... ...FLASH FLOOD WATCH FOR MOST OF SOUTHEAST KANSAS TONIGHT... AT 827 PM CDT...ISOLATED SEVERE THUNDERSTORMS CONTINUED IN SOUTHEAST KANSAS WHILE THUNDERSTORM PRODUCING VERY HEAVY RAIN CONTINUED IN NORTH CENTRAL KANSAS AND EXTENDED INTO EAST CENTRAL KANSAS. SEVERE THUNDERSTORMS WERE 20 AND 30 MILES EAST OF COFFEYVILLE. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING WIND IN EXCESS OF 60 MILES AN HOUR...LARGE HAIL...VERY HEAVY RAIN AND DANGEROUS LIGHTNING. MOEVEMENT WAS TO THE EAST NORTHEAST AT 25 MILES AN HOUR. ELSEWHERE SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAIN EXTENDED FROM NORTH CENTRAL INTO SOUTH EAST KANSAS. THUNDERSTORMS PRODUCING VERY HEAVY RAIN EXTENDED FROM 25 MILES NORTHEAST OF EMPORIA TO 15 MILES SOUTHWEST OF OTTAWA. MOVEMENT WAS TO THE NORTHEAST AT 20 MILES AN HOUR. ROSNER
Special weather statement, May 20, 9:41 PM CDT, 17 minutes before
KSZ009-011-012-014-017-210340- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE WICHITA KS 940 PM CDT SUN MAY 20 1990 ...SEVERE THUNDERSTORM WATCH #287 FOR PORTIONS OF EAST CENTRAL AND SOUTHEAST KANSAS IS IN UNTIL 3 AM CDT... ...FLASH FLOOD WATCH FOR MOST OF EAST CENTRAL AND SOUTHEAST KANSAS TONIGHT... AT 925 PM CDT...A ISOLATED SEVERE THUNDERSTORM CONTINUED IN EXTREME SOUTHEAST KANSAS WHILE THUNDERSTORMS PRODUCING VERY HEAVY RAIN EXTENDED FROM NORTH CENTRAL KANSAS INTO EAST CENTRAL KANSAS. THE SEVERE THUNDERSTORM WAS 10 MILES SOUTHEAST OF COLUMBUS OR 15 MILES WEST OF JOPLIN MISSOURI. THIS THUNDERSTORM IS CAPABLE OF PRODUCING WIND IN EXCESS OF 60 MILES AN HOUR...LARGE HAIL...VERY HEAVY RAIN AND DANGEROUS LIGHTNING. MOVEMENT WAS TO THE EAST AT 25 MILES AN HOUR. ELSEWHERE SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...EXTENDED FROM NORTH CENTRAL INTO SOUTHEAST KANSAS. THUNDERSTORMS PRODUCING VERY HEAVY RAIN EXTENDED FROM 10 MILES SOUTHWEST OF OTTAWA TO JUST SOUTH OF LA CYGNE OR 30 MILES SOUTHEAST OF OTTAWA AND ALSO EXTENDED FROM 15 MILES NORTHEAST OF CHANUTE TO 10 MILES NORTH OF PITTSBURG. MOVEMENT WAS TO THE EAST AT 25 MILES AN HOUR. ROSNER
The office that day
Everything else NWS Wichita, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 7:29 PM CDT | Severe Thunderstorm Warning | ICT | Cherokee, Crawford, Labette | 61 min |
| May 20, 8:28 PM CDT | Severe Thunderstorm Warning | ICT | Cherokee, Crawford | 62 min |
| May 20, 8:28 PM CDT | Severe Thunderstorm Warning | ICT | Labette | 40 min |
| May 20, 9:34 PM CDT | Severe Thunderstorm Warning | ICT | Cherokee | 56 min |
| May 21, 12:28 AM CDT | Severe Thunderstorm Warning | ICT | Cherokee | 62 min |
Nearby
Severe Thunderstorm Warnings in Kansas, 1990Every severe thunderstorm warning in 1990
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.