Alert archive / Kansas / Flash Flood Warnings in 2003

Flash Flood Warning 16, NWS Kansas City, MO

August 31, 2003Johnson County, Kansas; Jackson County, Missouri

NWS Kansas City, MO issued this flash flood warning at Aug 31, 2003, 11:46 AM CDT for Johnson County, Kansas; Jackson County, Missouri. It was in force for 4 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
Aug 31, 2003, 11:46 AM CDT (16:46 UTC)
Expired
Aug 31, 2003, 3:45 PM CDT
In force
4 hr
Issued by
NWS Kansas City, MO
Area
Counties, with a storm outline in the text

Counties Johnson County, KS, Jackson County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 4.8 hours before the alert went out and 92 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 2003-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 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 2003-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
3 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
456 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
144 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 
WGUS53 KEAX 311652
FFWEAX
KSC091-MOC095-312045-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1146 AM CDT SUN AUG 31 2003

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  WESTERN JACKSON COUNTY IN WEST CENTRAL MISSOURI
  NORTHEASTERN JOHNSON COUNTY IN EAST CENTRAL KANSAS

* UNTIL 345 PM CDT

* AT 1144 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR 
  INDICATED THAT THE HEAVY RAINS HAVE MOVED OUT OF THE REGION. 
  HOWEVER...RUNOFF FROM THE HEAVY RAINS AND ADDITIONAL SCATTERED 
  SHOWERS WILL CONTINUE TO CAUSE FLOODING ALONG THE INDIAN CREEK  
  RIVER BASIN THROUGH EARLY AFTERNOON. RAINFALL AMOUNTS IN THE AREA
  SINCE SATURDAY MORNING HAVE BEEN IN THE 6 TO 9 INCH RANGE. AN
  ADDITIONAL QUARTER OF AN INCH OF RAIN IS POSSIBLE THIS AFTERNOON.  

AT 11:30 AM THE STAGE AT OVERLAND PARK WAS 12.4 FEET. FLOOD STAGE IS 
12.0 FEET. THE FLOOD CREST IS EXPECTED TO REACH 13 FEET BY 2 PM ON 
INDIAN CREEK IN OVERLAND PARK.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

LAT...LON 3905 9446 3884 9446 3884 9474 3903 9474

$$


MJ
2 follow-up statements
000 
WGUS73 KEAX 311952
FFSEAX
KSC091-MOC095-312015-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
252 PM CDT SUN AUG 31 2003

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR WESTERN JACKSON AND
NORTHEASTERN JOHNSON COUNTIES HAS BEEN ALLOWED TO EXPIRE...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. 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 OR TO THE
NATIONAL WEATHER SERVICE IN PLEASANT HILL.

LAT...LON 3892 9437 3891 9459 3893 9473 3898 9480
          3904 9463 3907 9454 3914 9445

$$
SCHMIT
000 
WGUS73 KEAX 312005 CCA
FFSEAX
KSC091-MOC095-312015-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
252 PM CDT SUN AUG 31 2003

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR WESTERN JACKSON AND
NORTHEASTERN JOHNSON COUNTIES HAS BEEN ALLOWED TO EXPIRE...

AT 2:45 PM INDIAN CREEK AT OVERLAND PARK HAD FALLEN BELOW FLOOD 
STAGE.

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. 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 OR TO THE
NATIONAL WEATHER SERVICE IN PLEASANT HILL.

LAT...LON 3892 9437 3891 9459 3893 9473 3898 9480
          3904 9463 3907 9454 3914 9445

$$
SCHMIT

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 31, 8:41 AM CDTFlash Flood WarningEAXJohnson3 hr

Nearby

Flash Flood Warnings in Kansas, 2003Flash Flood Warnings in Missouri, 2003Every flash flood warning in 2003

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.