Alert archive / Kansas / Flash Flood Warnings in 2000

Flash Flood Warning 14, NWS Wichita, KS

July 20, 2000Allen County, Kansas

NWS Wichita, KS issued this flash flood warning at Jul 20, 2000, 7:02 AM CDT for Allen County, Kansas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Jul 20, 2000, 7:02 AM CDT (12:02 UTC)
Expired
Jul 20, 2000, 10:00 AM CDT
In force
3 hr
Issued by
NWS Wichita, KS
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Allen County, KS

The radar

The Pleasant Hill radar (KEAX), 138 km from the middle of the area, began a volume at 12:05 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 0.0 hours before the alert went out and 126 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 2000-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 54 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 12:00Z on 2000-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.19395878Sfc1 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
54 J/kg
Mixed-layer CIN
-540 J/kg
Mixed-layer LCL
1205 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
201 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KICT 201204
FFWICT
KSC001-201500-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WICHITA KS
702 AM CDT THU JUL 20 2000

THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ALLEN COUNTY IN SOUTHEAST KANSAS

* UNTIL 1000 AM CDT

* AT 701 AM CDT...WEATHER SERVICE RADAR INDICATED VERY HEAVY RAINFALL
  HAD OCCURRED OVER PORTIONS OF ALLEN COUNTY. RADAR ESTIMATED 
  RAINFALL AMOUNTS IN EXCESS OF 4 INCHES WERE COMMON. THE RAIN IS 
  EXPECTED TO CONTINUE FOR THE NEXT 2 TO 3 HOURS.

EXCESSIVE RUNOFF FROM THE STORMS WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA...MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS... ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.

REPEATING...A FLASH FLOOD WARNING HAS BEEN ISSUED FOR ALLEN COUNTY
UNTIL 1000 AM CDT.

LAT...LON 3802 9549 3774 9549 3770 9510 3799 9512

RUNYAN

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 3:54 AM CDTSevere Thunderstorm WarningICTReno66 min
Jul 20, 4:08 AM CDTSevere Thunderstorm WarningICTHarvey67 min
Jul 20, 4:18 AM CDTSevere Thunderstorm WarningICTSedgwick57 min
Jul 20, 4:43 AM CDTSevere Thunderstorm WarningICTSumner62 min
Jul 20, 4:59 AM CDTSevere Thunderstorm WarningICTButler61 min
Jul 20, 5:14 AM CDTSevere Thunderstorm WarningICTCowley61 min
Jul 20, 5:19 AM CDTSevere Thunderstorm WarningICTSedgwick56 min
Jul 20, 5:41 AM CDTSevere Thunderstorm WarningICTSumner49 min
Jul 20, 5:58 AM CDTSevere Thunderstorm WarningICTChautauqua62 min

Nearby

Flash Flood Warnings in Kansas, 2000Every flash flood warning in 2000

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; radar from the NEXRAD Level II archive.