Alert archive / Kansas / Flash Flood Warnings in 1992

Flash Flood Warning 13, NWS Topeka, KS

July 20, 1992Clay County, Washington County, Kansas

NWS Topeka, KS issued this flash flood warning at Jul 20, 1992, 1:52 AM CDT for Clay County, Washington County, Kansas. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jul 20, 1992, 1:52 AM CDT (06:52 UTC)
Expired
Jul 20, 1992, 8:00 AM CDT
In force
6 hr
Issued by
NWS Topeka, KS
Area
Whole counties

Counties Clay County, KS, Washington County, KS

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 6.9 hours before the alert went out and 143 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 00:00Z on 1992-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3063 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 1992-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
3063 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1351 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
91 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCNK 200653 RRA
FFWCNK
KSC027-201-201300-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CONCORDIA KS
152 AM CDT MON JUL 20 1992
 
THE NATIONAL WEATHER SERVICE IN CONCORDIA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  800 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL KANSAS
 
   ...CLAY COUNTY...WASHINGTON COUNTY
 
AT 150 AM CDT THE WASHINGTON AND CLAY COUNTY SHERIFFS DEPARTMENT
REPORTED WATER COVERING NUMEROUS COUNTY ROADWAYS ACROSS THESE COUNTIES.
THUNDERSTORMS HAVE ALREADY PRODUCED 3 TO 4 INCHES OF RAIN ACROSS
PORTIONS OF THESE COUNTIES AND ADDITIONAL HEAVY RAINS WILL LIKELY OCCURR
DURING THE NEXT FEW HOURS.
 
MOST FLOODING 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.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR 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.
 
PACKETT

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 7:04 PM CDTSevere Thunderstorm WarningTOPCloud41 min
Jul 19, 8:04 PM CDTFlash Flood WarningTOPJackson, Shawnee3 hr
Jul 19, 8:20 PM CDTSevere Thunderstorm WarningTOPRiley40 min
Jul 19, 8:48 PM CDTFlash Flood WarningTOPRiley2 hr
Jul 19, 9:16 PM CDTFlash Flood WarningTOPGeary3 hr
Jul 20, 2:26 AM CDTFlash Flood WarningTOPBarton, Russell6 hr

Nearby

Flash Flood Warnings in Kansas, 1992Every flash flood warning in 1992

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.