Alert archive / Kansas / Flash Flood Warnings in 2004

Flash Flood Warning 6, NWS Kansas City, MO

May 19, 2004Johnson County, Miami County, Kansas

NWS Kansas City, MO issued this flash flood warning at May 19, 2004, 2:01 AM CDT for Johnson County, Miami County, Kansas. It was in force for 6 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 19, 2004, 2:01 AM CDT (07:01 UTC)
Expired
May 19, 2004, 8:00 AM CDT
In force
6 hr
Issued by
NWS Kansas City, MO
Area
Counties, with a storm outline in the text

Counties Johnson County, KS, Miami County, KS

The radar

The Pleasant Hill radar (KEAX), 45 km from the middle of the area, began a volume at 07:04 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.

What was reported inside it

TimeReportWhereRemark
May 19, 2:11 AM CDTFLASH FLOODOlathe, KSWATER OVER ROAD AT SHERIDAN BRIDGE ROAD AND LINDENWOOD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 7.0 hours before the alert went out and 229 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 00:00Z on 2004-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1439 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 00:00Z on 2004-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 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
1439 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1070 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
317 m²/s²
Significant tornado parameter
0.7
Supercell composite
6.1

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KEAX 190707
FFWEAX
KSC091-121-191300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
201 AM CDT WED MAY 19 2004

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JOHNSON COUNTY IN EAST CENTRAL KANSAS
  MIAMI COUNTY IN EAST CENTRAL KANSAS

* UNTIL 800 AM CDT

* AT 200 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.

* SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN 
THE  WARNED AREA...ESPECIALLY ACROSS SOUTHEAST JOHNSON AND NORTHEAST 
MIAMI COUNTY. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH 
FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING  
INCLUDE...OLATHE...STANLEY...PAOLA...BUCYRUS...GARDNER...SPRING 
HILL...HILLSDALE...LOUISBURG...AND SOMERSET.

RAINFALL AMOUNTS OF 3 TO 4 INCHES HAVE FALLEN IN THE PAST 3 HOURS. 
ADDITIONAL PERIODS OF HEAVY RAIN WILL AFFECT THE WARNED AREA AS 
THUNDERSTORMS WILL CONTINUE TO DEVELOP AND MOVE ACROSS THIS SAME 
AREA.

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 9462 3849 9463 3848 9504 3897 9503

$$

STOFLET
2 follow-up statements
000 
WGUS73 KEAX 191126
FFSEAX
KSC091-191315-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
625 AM CDT WED MAY 19 2004

...FLASH FLOOD WARNING CONTINUES UNTIL 800 AM CDT FOR JOHNSON COUNTY 
KANSAS...

AT 612 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE 
MOST INTENSE THUNDERSTORMS HAD MOVED EAST OF THE WARNED AREA. HOWEVER
EXCESSIVE RUNOFF FROM HEAVY RAINFALL THAT FELL OVERNIGHT WILL 
CONTINUE TO PRODUCE THE THREAT OF FLOODING. FLOODING OF THE BLUE 
RIVER AND ITS TRIBUTARIES...HIGHWAYS...STREETS AND UNDERPASSES WILL 
CONTINUE...ALONG WITH DRAINAGE AREAS AND LOW LYING SPOTS.

MORNING COMMUTERS SHOULD BE ESPECIALLY CAUTIOUS AS WATER ON ROADWAYS
CAN QUICKLY LEAD TO HYDROPLANING. 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 3903 9462 3872 9462 3873 9468 3873 9504
      3897 9505 3899 9502 3898 9495 3899 9494
      3898 9492 3904 9487

$$

SF
000 
WGUS73 KEAX 191154
FFSEAX
KSC121-191215-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
654 AM CDT WED MAY 19 2004

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

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. IF 
FLOODING HAS BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW 
ENFORCEMENT AGENCY OR TO THE NATIONAL WEATHER SERVICE IN PLEASANT 
HILL.

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 3871 9464 3841 9466 3841 9504 3872 9504

$$

NRR

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 3:25 AM CDTFlash Flood WarningEAXWyandotte6 hr

Nearby

Flash Flood Warnings in Kansas, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.