Alert archive / Kansas / Flash Flood Warnings in 2005

Flash Flood Warning 3, NWS Kansas City, MO

April 11, 2005Doniphan County, Leavenworth County, Kansas; Buchanan County, Platte County, Missouri

NWS Kansas City, MO issued this flash flood warning at Apr 11, 2005, 7:49 PM CDT for Doniphan County, Leavenworth County, Kansas; Buchanan County, Platte County, Missouri. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 11, 2005, 7:49 PM CDT (00:49 UTC)
Expired
Apr 12, 2005, 1:45 AM CDT
In force
6 hr
Issued by
NWS Kansas City, MO
Area
Counties, with a storm outline in the text

Counties Doniphan County, KS, Leavenworth County, KS, Buchanan County, MO, Platte County, MO

The radar

The Pleasant Hill radar (KEAX), 105 km from the middle of the area, began a volume at 00:49 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 00:00Z, 0.8 hours before the alert went out and 88 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 2005-04-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 23 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 2005-04-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -144 square meters per square second.1939587897Sfc1 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
23 J/kg
Mixed-layer CIN
-88 J/kg
Mixed-layer LCL
1609 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
-144 m²/s²
0-3 km storm-relative helicity
-101 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KEAX 120049
FFWEAX
KSC043-103-MOC021-165-120645-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
749 PM CDT MON APR 11 2005

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BUCHANAN COUNTY IN NORTHWEST MISSOURI
  EASTERN DONIPHAN COUNTY IN NORTHEAST KANSAS
  NORTHEASTERN LEAVENWORTH COUNTY IN NORTHEAST KANSAS
  PLATTE COUNTY IN WEST CENTRAL MISSOURI

* UNTIL 145 AM CDT

* AT 742 PM CDT... THUNDERSTORMS WITH VERY HEAVY RAINFALL WERE 
MOVING ACROSS THE WARNED AREA.

* SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE
  WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH
  FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING
  INCLUDE...ST JOSEPH...AGENCY...BEAN LAKE...DEARBORN...EASTON...
  EDGERTON...ELWOOD...FARLEY...FAUCETT...KCI AIRPORT...LANSING AND
  LEAVENWORTH.

AT 74O PM...THE LEAVENWORTH SHERIFFS DEPARTMENT REPORTED STREET 
FLOODING IN THE CITY OF LEAVENWORTH.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

LAT...LON 3987 9511 3989 9496 3981 9488 3981 9463
      3917 9462 3922 9481 3921 9499 3941 9501
      3942 9496 3952 9509 3954 9502 3957 9501
      3990 9517

$$

PREDMORE
1 follow-up statement
000 
WGUS73 KEAX 120211
FFSEAX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
908 PM CDT MON APR 11 2005

KSC043-103-MOC021-165-120218-
DONIPHAN KS-LEAVENWORTH KS-BUCHANAN MO-PLATTE MO-
910 PM CDT MON APR 11 2005

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR BUCHANAN...EASTERN
DONIPHAN...NORTHEASTERN LEAVENWORTH AND PLATTE COUNTIES HAS BEEN
CANCELLED...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. LIGHT 
RAIN WILL CONTINUE OVER BUCHANAN...PLATTE...AND DONIPHAN COUNTIES 
FOR THE NEXT FEW HOURS...BUT NO FLOODING IS EXPECTED. STREAMS AND 
CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO 
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN 
OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 3987 9511 3989 9496 3981 9488 3981 9463
      3917 9462 3922 9481 3921 9499 3941 9501
      3942 9496 3952 9509 3954 9502 3957 9501
      3990 9517

$$

PREDMORE

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 11, 7:10 PM CDTSevere Thunderstorm WarningEAXLeavenworth, Wyandotte50 min

Nearby

Flash Flood Warnings in Kansas, 2005Flash Flood Warnings in Missouri, 2005Every flash flood warning in 2005

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.