Alert archive / Kansas / Flash Flood Warnings in 1989

Flash Flood Warning 9, NWS Wichita, KS

August 19, 1989Cowley County, Sumner County, Kansas

NWS Wichita, KS issued this flash flood warning at Aug 19, 1989, 11:22 PM CDT for Cowley County, Sumner County, Kansas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Aug 19, 1989, 11:22 PM CDT (04:22 UTC)
Expired
Aug 20, 1989, 1:47 AM CDT
In force
2 hr
Issued by
NWS Wichita, KS
Area
Whole counties

Counties Cowley County, KS, Sumner 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

Norman, OK (KOUN), launched 00:00Z, 4.4 hours before the alert went out and 225 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.

Skew-T log-pSkew-T log-p diagram, Norman, OK at 00:00Z on 1989-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2435 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 1989-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2435 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
1542 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
220 m²/s²
Significant tornado parameter
0.4
Supercell composite
5.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KICT 200422
FFWICT
KSC035-191-200830-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
FLASH FLOOD WARNING 
NATIONAL WEATHER SERVICE WICHITA KS
1122 PM CDT SAT AUG 19 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 330 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTHEAST PART OF KANSAS
      COWLEY...

   IN THE SOUTH CENTRAL PART OF KANSAS
      SUMNER...

AT 1120 PM CDT...SLOW MOVING THUNDERSTORMS PRODUCING VERY HEAVY
RAINFALL HAVE BEEN OCCURRING THROUGHOUT SUMNER AND COWLEY COUNTIES
FOR SEVERAL HOURS. RAINFALL ESTIMATES OF OVER TWO INCHES PER HOUR
ARE FALLING OVER PARTS OF THESE COUNTIES. THE GROUND IS SATURATED
AND MOST CREEKS ARE NEAR BANKFULL.

 RUNOFF FROM HEAVY RAINS IN THE WARNING AREA WILL LIKELY FLOOD
STREAMS AND LOW LYING AREAS. BE CAREFUL DRIVING AND DON/T TRY TO
CROSS WATER RUSHING OVER ROADS.

STEADHAM

What forecasters said that day

The local office's own words before this flash flood 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, Aug 19, 6:28 PM CDT, 4 hours 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
620 PM CDT SAT AUG 19 1989

AT 618 AM...THUNDERSTORMS CAPABLE OF PRODUCING BRIEF
HEAVY RAIN HAVE DEVELOPED SINCE 6:00 PM.  THE THUNDERSTORMS WERE
IN THE SOUTHERN 2 ROWS OF COUNTIES FROM WINFIELD EAST TO THE STATE
LINE OF MISSOURI.

VERY HEAVY RAIN AND LIGHTNING CAN BE EXPECTED FROM THESE STORMS...
PLUS THE SLOW EASTWARD MOVEMENT MAY CAUSE SOME SMALL STREAM FLOODING
AS WELL AS STREET FL,OODING.  PERSONS SHOULD REMAIN VERY WATCHFUL
OF RISING WATER THE NEXT TWO HOURS.

LR
Special weather statement, Aug 19, 8:39 PM CDT, 2 hours 43 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE WICHITA KS
835 PM CDT SAT AUG 19 1989

AT 830 AM...THUNDERSTORMS PRODUCING VERY HEAVY RAIN WERE 30 MILES
SOUTH OF WICHITA AT WINFIELD TO THE COFFEYVILLE AREA.  OTHER LIGHT
RAIN WAS TO THE SOUTH OF LINE FROM THE MEDICINE LODGE AREA OR
30 MILES SOUTH OF PRATT EASTWARD TO 20 MILES SOUTH OF CHANUTE TO
THE PITTSBURG AREA.

VERY HEAVY RAIN AND LIGHTNING CAN BE EXPECTED FROM THESE STORMS...
PLUS THE SLOW EASTWARD MOVEMENT MAY CAUSE SOME SMALL STREAM FLOODING
AS WELL AS STREET FLOODING.  PERSONS SHOULD GET THEMSELVE AND  CATTLE
AND EQUIPMENT TO HIGHER GROUND IN THE ABOVE MENTIONED AREA.

MOVEMENT WAS TO THE EAST AT 5 TO x10 MPH.
LR

The office that day

Everything else NWS Wichita, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 19, 7:30 PM CDTSevere Thunderstorm WarningICTCowley60 min
Aug 19, 7:39 PM CDTTornado WarningICTCrawford36 min
Aug 19, 8:32 PM CDTFlash Flood WarningICTCowley3 hr
Aug 19, 9:59 PM CDTFlash Flood WarningICTMontgomery3 hr
Aug 20, 3:43 AM CDTSevere Thunderstorm WarningICTReno62 min

Nearby

Flash Flood Warnings in Kansas, 1989Every flash flood warning in 1989

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.