Alert archive / Missouri / Flash Flood Warnings in 2004

Flash Flood Warning 8, NWS Kansas City, MO

May 19, 2004Clay County, Jackson County, Platte County, Missouri; Wyandotte County, Kansas

NWS Kansas City, MO issued this flash flood warning at May 19, 2004, 3:25 AM CDT for Clay County, Jackson County, Platte County, Missouri; Wyandotte County, Kansas. It was in force for 6 hr. 5 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 19, 2004, 3:25 AM CDT (08:25 UTC)
Expired
May 19, 2004, 9:30 AM CDT
In force
6 hr
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Wyandotte County, KS, Clay County, MO, Jackson County, MO, Platte County, MO

The radar

The Pleasant Hill radar (KEAX), 51 km from the middle of the area, began a volume at 08:28 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, 3:50 AM CDTFLASH FLOODLees Summit, MOKC FIRE DEPARTMENT REPORTED NUMEROUS WATER RESCUES ACROSS THE COUNTY. TODD GEORGE ROAD CLOSED IN LEES SUMMIT DUE TO FLOODING...RAINFALL REPORTS OF 5 TO 6 INCHES ACROSS SOUTHERN JACKSON COUNTY.
May 19, 5:19 AM CDTFLASH FLOODKansas City Ks, KSSOUTHWEST BLVD FLOODED AND CLOSED...EAST SIDE OF 7TH STREET CLOSED
May 19, 6:00 AM CDTFLASH FLOOD2 Sw Edgerton, MOFRY ROAD CLOSED JUST EAST OF COCHRAN...BALL KNOB ROAD CLOSED BETWEEN PLEASANT GROVE AND DUNCAN.
May 19, 6:00 AM CDTFLASH FLOODSmithville, MONUMEROUS ROADS CLOSED IN SMITHVILLE DUE TO FLOODING
May 19, 6:09 AM CDTFLASH FLOODKansas City Ks, KS22ND AND SHAWNEE DR...CHEYENNE AND 10TH ST...AND BALTIMORE ST...WATER IN STREET.

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, 8.4 hours before the alert went out and 265 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 190830
FFWEAX
KSC209-MOC047-095-165-191430-

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

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CLAY COUNTY IN WEST CENTRAL MISSOURI
  JACKSON COUNTY IN WEST CENTRAL MISSOURI
  PLATTE COUNTY IN WEST CENTRAL MISSOURI
  WYANDOTTE COUNTY IN NORTHEAST KANSAS

* UNTIL 930 AM CDT

* AT 323 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
  DOPPLER RADAR ESTIMATES 1 TO 2 INCH HOURLY RAINFALL RATES WITH 
  THE STRONGER STORMS. THE ACTIVITY HAS INCREASED IN STRENGTH AND
  COVERAGE SINCE 2:30 AM. ALL OF THE ACTIVITY IS TRACKING TO THE 
  EAST SOUTHEAST AT 25 MPH. ADDITIONAL SHOWERS AND THUNDERSTORMS
  ARE FORMING FURTHER WEST OVER EAST CENTRAL KANSAS AND THEY ARE
  EXPECTED TO MOVE OVER THE SAME AREAS WHICH ARE CURRENTLY 
  RECEIVING HEAVY RAINFALL. TOTAL RAINFALL FROM THE THUNDERSTORMS
  COULD REACH THE 2 TO 4 INCH RANGE BY THE TIME IT ENDS DURING THE 
  MORNING RUSH HOUR.  

* THUNDERSTORMS MOVING OVER NEARLY SATURATED GROUND 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...KANSAS CITY...AVONDALE...BLUE
  SPRINGS...BONNER SPRINGS...BUCKNER...EDWARDSVILLE...EXCELSIOR
  SPRINGS...FARLEY...GLADSTONE...GRAIN VALLEY...GRANDVIEW AND 
  GREENWOOD.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. DO NOT DRIVE AROUND
BARRICADES SET UP TO BLOCK WATER COVERED ROADWAYS. THE BARRICADES ARE
SET UP FOR YOUR PROTECTION.

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

LAT...LON 3940 9423 3922 9423 3916 9413 3884 9413
      3884 9460 3904 9462 3906 9488 3903 9491
      3901 9491 3901 9491 3919 9489 3920 9480
      3940 9495 3941 9495

$$

MJ
2 follow-up statements
000 
WGUS73 KEAX 191111
FFSEAX
KSC209-MOC047-095-165-191430-

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

...FLASH FLOOD WARNING CONTINUES UNTIL 930 AM CDT FOR JACKSON...
CLAY...PLATTE AND WYANDOTTE COUNTIES...

AT 600 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL STRETCHING FROM 
DEARBORN...THROUGH PLATTE CITY AND GLADSTONE TO THE LEES SUMMIT 
AREA. STORMS WILL CONTINUE TO DEVELOP AND TRACK ACROSS THE WARNED 
AREA FOR THE NEXT 3 HOURS...WITH STORMS DIMINISHING IN INTENSITY BY 
9 AM. DOPPLER RADAR ESTIMATED 3 TO 5 INCHES OF RAIN HAS FALLEN SINCE 
3:30 AM ACROSS MUCH OF THE KANSAS CITY METRO AREA...PARTICULARLY THE
MISSOURI SIDE. AN ADDITIONAL 1 TO 2 INCHES OF RAIN IS EXPECTED BEFORE
THE STORMS DIMINISH.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLOODING TO 
OCCUR...ESPECIALLY ALONG SMALL STREAMS AND NEAR LOW WATER CROSSINGS. 
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...KANSAS 
CITY...WESTON...SMITHVILLE...SIBLEY...RIVERSIDE...RIDGELY...RAYTOWN..
.PLATTE CITY...PARKVILLE...NORTH KANSAS CITY...MOSBY AND MISSOURI 
CITY.  NUMEROUS ROADS ARE CLOSED IN THE LEES SUMMIT AREA DUE TO HIGH
WATER...WITH METRO AREA FIRE AND POLICE REPORTING NUMEROUS WATER 
RESCUES DUE TO HIGH 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 3945 9461 3945 9422 3922 9422 3921 9418
      3885 9413 3885 9413 3886 9457 3906 9462
      3904 9489 3919 9488 3922 9478 3933 9489
      3940 9489 3952 9506 3953 9462

$$

SF
000 
WGUS73 KEAX 191246
FFSEAX
KSC209-MOC047-095-165-191430-

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

...FLASH FLOOD WARNING CONTINUES UNTIL 930 AM CDT FOR JACKSON...
CLAY...PLATTE AND WYANDOTTE COUNTIES...

AT 740 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED NUMEROUS 
WATER RESCUES IN THE AFTERMATH OF TORRENTIAL RAINFALL THAT FELL FROM 
MIDNIGHT THROUGH ABOUT 7 AM ACROSS THE KANSAS CITY METROPOLITAN 
AREA. MANY ROADS ACROSS THE GREATER KANSAS CITY METRO AREA ARE 
CLOSED DUE TO HIGH WATER...WITH FLOODING OF MANY RESIDENTIAL AREAS 
ALSO BEING REPORTED. RADAR RAINFALL ESTIMATES AND OBSERVER REPORTS 
INDICATE THAT THE AREA FROM DOWNTOWN KANSAS CITY TO THE SUGAR 
CREEK RECEIVED FROM 5 TO 7 INCHES...WITH SIMILAR REPORTS AND 
ESTIMATES OCCURRING IN THE LEES SUMMIT...RAYTOWN AND GREENWOOD 
AREAS. 

THE THUNDERSTORM ACTIVITY THAT PRODUCED THIS TREMENDOUS RAINFALL
HAS MOVED EAST OF THE METRO AREA...BUT EXCESSIVE RUNOFF FROM THIS 
STORM WILL CONTINUE TO CAUSE FLOODING OF SMALL CREEKS AND 
STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL 
AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.



LAT...LON 3950 9463 3944 9461 3945 9423 3922 9423
      3915 9414 3885 9413 3886 9459 3902 9459
      3906 9489 3917 9488 3924 9477 3930 9485
      3951 9502 3952 9485

$$

SF

The office that day

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

IssuedProductOfficeCountiesLasted
May 18, 9:22 PM CDTSevere Thunderstorm WarningEAXCass53 min
May 18, 10:41 PM CDTFlash Flood WarningEAXCass6 hr
May 18, 11:11 PM CDTSevere Thunderstorm WarningEAXPettis, Saline94 min
May 19, 12:48 AM CDTSevere Thunderstorm WarningEAXBates, Cass72 min
May 19, 2:24 AM CDTSevere Thunderstorm WarningEAXBates36 min
May 19, 2:32 AM CDTSevere Thunderstorm WarningEAXCass58 min
May 19, 3:09 AM CDTFlash Flood WarningEAXBates, Henry6 hr
May 19, 4:36 AM CDTFlash Flood WarningEAXCass6 hr
May 19, 6:45 AM CDTFlash Flood WarningEAXJohnson6 hr
May 19, 2:01 AM CDTFlash Flood WarningEAXJohnson, Miami6 hr

Nearby

Flash Flood Warnings in Missouri, 2004Flash 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.