Alert archive / Kansas / Flash Flood Warnings in 1990

Flash Flood Warning 2, NWS Wichita, KS

May 25, 1990Allen County, Kansas

NWS Wichita, KS issued this flash flood warning at May 25, 1990, 7:16 PM CDT for Allen County, Kansas. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
May 25, 1990, 7:16 PM CDT (00:16 UTC)
Expired
May 25, 1990, 11:15 PM CDT
In force
4 hr
Issued by
NWS Wichita, KS
Area
Whole counties

County Allen 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, 0.3 hours before the alert went out and 127 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 1990-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1873 joules per kilogram.LCLLFCEL10008507005003002001001 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 1990-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 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
1873 J/kg
Mixed-layer CIN
-117 J/kg
Mixed-layer LCL
734 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
126 m²/s²
Significant tornado parameter
0.6
Supercell composite
6.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KICT 260016
FFWICT
KSC001-260415-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
FLASH FLOOD WARNING 
NATIONAL WEATHER SERVICE WICHITA KS
716 PM CDT FRI MAY 25 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 1115 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY

   IN THE SOUTHEAST PART OF KANSAS
      ALLEN

AT 713 PM CDT VERY HEAVY RAINFALL HAS BEEN OCCURRING THROUGH MUCH
OF ALLEN COUNTY SINCE 600 PM. ALMOST A/N INCH OF RAIN HAS FALLEN AT
HUMBOLT FROM 630 PM TO 700 PM.

 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

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 9:27 PM CDTTornado WarningICTHarper, Kingman48 min
May 25, 10:36 PM CDTSevere Thunderstorm WarningICTReno69 min
May 25, 10:44 PM CDTFlash Flood WarningICTNeosho, Wilson3 hr
May 26, 1:37 AM CDTFlash Flood WarningICTNeosho, Wilson2 hr
May 26, 1:51 AM CDTFlash Flood WarningICTAllen, Montgomery, Neosho, Wilson4 hr
May 26, 1:51 AM CDTFlash Flood WarningICTLabette4 hr
May 26, 1:51 AM CDTFlash Flood WarningICTBourbon4 hr
May 26, 7:32 AM CDTSevere Thunderstorm WarningICTGreenwood58 min
May 26, 5:58 PM CDTFlash Flood WarningICTBourbon3 hr

Nearby

Flash Flood Warnings in Kansas, 1990Every flash flood 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.