Alert archive / Missouri / Flash Flood Warnings in 2004

Flash Flood Warning 40, NWS Kansas City, MO

July 24, 2004Johnson County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jul 24, 2004, 4:07 PM CDT for Johnson 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
Jul 24, 2004, 4:07 PM CDT (21:07 UTC)
Expired
Jul 24, 2004, 10:00 PM CDT
In force
6 hr
Issued by
NWS Kansas City, MO
Area
Counties, with a storm outline in the text

County Johnson County, MO

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.1 hours before the alert went out and 208 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, Springfield, MO at 12:00Z on 2004-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 750 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, Springfield, MO at 12:00Z on 2004-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
750 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
511 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KEAX 242113
FFWEAX
MOC101-250300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
407 PM CDT SAT JUL 24 2004

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JOHNSON COUNTY IN WEST CENTRAL MISSOURI

* UNTIL 1000 PM CDT

* AT 406 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT 8 
  INCHES OF WATER WAS FLOWING OVER HIGHWAY 2 NEAR THE INTERSECTION 
  OF ZZ HIGHWAY NEAR LA TOUR. 

* EXCESSIVE RAINFALL FROM RAINFALL TODAY IS CAUSING FLASH FLOODING 
  TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING 
  INCLUDE...WARRENSBURG...CENTERVIEW...CHILHOWEE...COLUMBUS...
  FAYETTEVILLE...HOLDEN...KNOB   NOSTER...LA TOUR...LEETON...
  PITTSVILLE...WHITEMAN AFB AND KINGSVILLE.

LOCAL LAW ENFORCEMENT REPORTED 8 INCHES OF WATER FLOWING OVER 
HIGHWAY 2 NEAR THE INTERSECTION OF ZZ HIGHWAY NEAR LA TOUR...CAUSING 
CARS TO STALL. ADDITIONALLY WATER WAS RISING IN THE VICINITY OF B 
HIGHWAY NEAR THE HENRY COUNTY LINE...AND IS EXPECTED TO OVERTOP B 
HIGHWAY SOON. SEVERAL RURAL ROADS NEAR BIG CREEK ARE ALSO REPORTED 
UNDER WATER. 

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 3892 9352 3856 9353 3857 9410 3890 9413

$$

SEAMAN
1 follow-up statement
000 
WGUS73 KEAX 250152
FFSEAX
MOC101-250215-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
850 PM CDT SAT JUL 24 2004

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR JOHNSON COUNTY HAS
BEEN CANCELLED...

AT 845 PM LOCAL LAW ENFORCEMENT REPORTED WATER COVERING THE 
INTERSECTION OF HIGHWAYS 2 AND ZZ WAS RECEDING...AND OTHERWISE ALL 
MAJOR ROADWAYS IN THE COUNTY ARE NOW OPEN. AS A RESULT THE FLASH 
FLOOD WARNING WHICH WAS IN EFFECT HAS BEEN CANCELLED. 

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 3891 9353 3859 9356 3861 9410 3890 9408

$$

SEAMAN

Nearby

Flash Flood Warnings in Missouri, 2004Every flash flood warning in 2004

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.