Alert archive / Kansas / Flash Flood Warnings in 1989

Flash Flood Warning 21, NWS Topeka, KS

September 8, 1989Marshall County, Pottawatomie County, Riley County, Kansas

NWS Topeka, KS issued this flash flood warning at Sep 8, 1989, 7:03 AM CDT for Marshall County, Pottawatomie County, Riley County, Kansas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Sep 8, 1989, 7:03 AM CDT (12:03 UTC)
Expired
Sep 8, 1989, 10:00 AM CDT
In force
3 hr
Issued by
NWS Topeka, KS
Area
Whole counties

Counties Marshall County, KS, Pottawatomie County, KS, Riley 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 12:00Z, 0.1 hours before the alert went out and 94 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, Topeka, KS at 12:00Z on 1989-09-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1298 joules per kilogram.LCLLFCEL10008507005003002001001 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, Topeka, KS at 12:00Z on 1989-09-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 177 square meters per square second.193958Sfc1 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
1298 J/kg
Mixed-layer CIN
-161 J/kg
Mixed-layer LCL
1060 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
177 m²/s²
0-3 km storm-relative helicity
147 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTOP 081206
FFWTOP
KSC117-149-161-081500-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
703 AM CDT FRI SEP 8 1989
 
THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1000 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN NORTHEAST KANSAS
          ...MARSHALL...WESTERN POTTAWATOMIE...RILEY
 
THUNDERSTORMS WITH HEAVY RAINS HAVE BEEN MOVING ACROSS THIS AREA SINCE
AROUND 3AM. RAINFALL AMOUNTS OF ONE TO THREE INCHES ARE LIKELY.
THUNDERSTORMS WILL CONTINUE OVER THE AREA TIL MID MORNING.
 
THE CITIES OF MANHATTAN AND MARYSVILLE ARE INCLUDED IN THIS WARNING.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR0 IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES... DIPS... OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM... EVEN A SMALL
ONE... ON FOOT.
 
KISNER/BILLS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 8, 3:45 PM CDTFlash Flood WarningTOPDouglas, Jefferson3 hr
Sep 8, 4:46 PM CDTTornado WarningTOPJewell29 min
Sep 8, 4:49 PM CDTFlash Flood WarningTOPOsage, Shawnee3 hr
Sep 8, 4:58 PM CDTSevere Thunderstorm WarningTOPCloud, Republic47 min
Sep 8, 6:33 PM CDTFlash Flood WarningTOPDouglas, Osage, Shawnee4 hr
Sep 8, 6:33 PM CDTFlash Flood WarningTOPJefferson4 hr
Sep 8, 6:43 PM CDTSevere Thunderstorm WarningTOPWashington62 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.