Alert archive / Missouri / Flash Flood Warnings in 2005

Flash Flood Warning 45, NWS Kansas City, MO

August 19, 2005Johnson County, Wyandotte County, Kansas; Clay County, Jackson County, Platte County, Missouri

NWS Kansas City, MO issued this flash flood warning at Aug 19, 2005, 9:30 PM CDT for Johnson County, Wyandotte County, Kansas; Clay County, Jackson County, Platte County, Missouri. It was in force for 6 hr. 5 reports 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
Aug 19, 2005, 9:30 PM CDT (02:30 UTC)
Expired
Aug 20, 2005, 3:30 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, Wyandotte County, KS, Clay County, MO, Jackson County, MO, Platte County, MO

The radar

The Pleasant Hill radar (KEAX), 57 km from the middle of the area, began a volume at 02:33 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
Aug 20, 12:45 AM CDTFLASH FLOODGardner, KSROAD CLOSED DUE TO FLASH FLOODING. CENTER STREET FROM MADISON TO 167TH STREET.
Aug 20, 12:45 AM CDTFLASH FLOODLenexa, KSROAD CLOSED DUE TO FLASH FLOODING. MARSHAL DRIVE NEAR 87TH STREET.
Aug 20, 1:25 AM CDTFLASH FLOODLenexa, KS18TH STREET TO ANTIOCH ALONG I-35 CLOSED DUE TO FLASH FLOODING ALONG TURKEY CREEK.
Aug 20, 1:45 AM CDTFLASH FLOODKansas City, MOROAD CLOSED NEAR 87TH AND RAYTOWN ROAD DUE TO FLASH FLOODING.
Aug 20, 3:36 AM CDTFLOODKansas City, MOCREEK FLOODING LINGERING NEAR 87TH AND RAYTOWN ROAD. ROAD REMAINS CLOSED.

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

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 2.5 hours before the alert went out and 85 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 2005-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2093 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 2005-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 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
2093 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
1276 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
228 m²/s²
Significant tornado parameter
0.0
Supercell composite
10.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KEAX 200230
FFWEAX
KSC091-209-MOC047-095-165-200830-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
930 PM CDT FRI AUG 19 2005

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
  JOHNSON COUNTY IN EAST CENTRAL KANSAS
  PLATTE COUNTY IN WEST CENTRAL MISSOURI
  WYANDOTTE COUNTY IN NORTHEAST KANSAS

* UNTIL 330 AM CDT

* AT 924 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.

* 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...
  KANSAS CITY...OLATHE...AVONDALE...BEAN LAKE...BLUE SPRINGS...BONNER
  SPRINGS...BUCKNER...DE SOTO...DEARBORN...EDGERTON...EDGERTON KS AND
  EDWARDSVILLE.

RAINFALL INTENSITIES OF 3 TO 4 INCHES PER HOUR WILL BE EXPERIENCED 
WITH THESE THUNDERSTORMS. STREET FLOODING AND SURFACE RUNOFF 
PROBLEMS ARE THE PRIMARY FLOOD THREAT.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT OR IN A VEHICLE.

LAT...LON 3953 9462 3945 9461 3945 9422 3922 9422
      3916 9413 3884 9413 3885 9460 3873 9462
      3874 9504 3897 9505 3899 9490 3919 9489
      3920 9480 3933 9491 3938 9489 3953 9509
      3954 9509

$$

PREDMORE
5 follow-up statements
000 
WGUS73 KEAX 200423
FFSEAX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1114 PM CDT FRI AUG 19 2005

KSC091-209-MOC047-095-165-200830-
WYANDOTTE KS-JOHNSON KS-PLATTE MO-CLAY MO-JACKSON MO-
1114 PM CDT FRI AUG 19 2005

...FLASH FLOOD WARNING CONTINUES FOR CLAY...JACKSON...JOHNSON...
PLATTE AND WYANDOTTE COUNTIES UNTIL 330 AM CDT...

AT 1110 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
ANOTHER CLUSTER OF THUNDERSTORMS WITH VERY HEAVY RAINFALL MOVING 
INTO THE KANSAS CITY METRO AREA. THE GARDNER...LENEXA...SHAWNEE... 
OVERLAND PARK...GRANDVIEW...AND PRAIRIE VILLAGE AREAS CAN EXPECT 
VERY HEAVY RAIN BETWEEN 1130 PM AND 130 AM AS STORMS MOVE TO THE 
EAST AT 30 MPH. ADDITIONAL RAIN AMOUNTS BETWEEN AN INCH AND TWO 
INCHES ARE LIKELY OVER SOUTHERN PORTIONS OF THE METRO AREA.

RESIDENTS THAT LIVE NEAR FLOOD PRONE AREAS LIKE INDIAN CREEK AND 
TURKEY CREEK SHOULD MONITOR STREAM LEVELS AND TAKE ACTION IF WATER 
RISES RAPIDLY.

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

LAT...LON 3953 9462 3945 9461 3945 9422 3922 9422
      3916 9413 3885 9413 3886 9459 3875 9462
      3876 9503 3897 9503 3901 9489 3919 9488
      3923 9480 3933 9489 3939 9488 3954 9507
      3954 9507

$$

KOCH
000 
WGUS73 KEAX 200521
FFSEAX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1214 AM CDT SAT AUG 20 2005

KSC091-209-MOC047-095-165-200830-
WYANDOTTE KS-JOHNSON KS-PLATTE MO-CLAY MO-JACKSON MO-
1214 AM CDT SAT AUG 20 2005

...FLASH FLOOD WARNING CONTINUES FOR CLAY...JACKSON...JOHNSON...
PLATTE AND WYANDOTTE COUNTIES UNTIL 330 AM CDT...

AT 1212 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE SOUTHERN HALF OF 
THE KANSAS CITY METRO AREA. PORTIONS OF JOHNSON COUNTY KANSAS FROM 
OLATHE TO OVERLAND PARK HAVE RECEIVED BETWEEN AN INCH AND TWO INCHES 
OF RAIN IN THE LAST HOUR. FLOODING IS LIKELY ALONG SMALL STREAMS... 
DRAINAGE DITCHES...AND LOW LYING AREAS IN NORTHERN JOHNSON COUNTY. 

BLINDING RAIN WILL MOVE INTO LEES SUMMIT...BLUE SPRINGS...AND 
INDEPENDENCE BETWEEN 1230 AM AND 130 AM. SOUTHEASTERN PORTIONS OF 
THE GREATER METRO AREA CAN EXPECT ONE TO THREE INCHES OF ADDITIONAL 
RAIN BEFORE 2 AM. RAPID RISES ON CREEKS AND STREAMS ARE LIKELY.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

LAT...LON 3953 9462 3945 9461 3945 9422 3922 9422
      3916 9413 3886 9413 3887 9457 3876 9462
      3877 9501 3897 9502 3902 9487 3918 9488
      3920 9480 3925 9480 3941 9488 3954 9504
      3954 9504

$$

KOCH
000 
WGUS73 KEAX 200607
FFSEAX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1259 AM CDT SAT AUG 20 2005

KSC091-209-MOC047-095-165-200830-
WYANDOTTE KS-JOHNSON KS-PLATTE MO-CLAY MO-JACKSON MO-
1259 AM CDT SAT AUG 20 2005

...FLASH FLOOD WARNING CONTINUES FOR CLAY...JACKSON...JOHNSON...
PLATTE AND WYANDOTTE COUNTIES UNTIL 330 AM CDT...

HEAVY RAIN OVER JOHNSON...JACKSON...AND WYANDOTTE COUNTIES IN THE 
LAST TWO HOURS HAS LED TO FLASH FLOODING AND RAPID RISES ON CREEKS 
AND STREAMS. AT 1245 PM LAW ENFORCEMENT OFFICIAL FROM JOHNSON COUNTY 
RELAYED REPORTS OF ROAD CLOSURES IN GARDNER AND LENEXA. CENTER 
STREET BETWEEN MADISON AND 167TH IN GARDNER IS UNDERWATER...AND 
MARSHALL DRIVE NEAR 87TH STREET NEAR LENEXA IS ALSO CLOSED DUE TO 
FLASH FLOODING.

THE HEAVIEST RAIN HAS MOVED INTO JACKSON COUNTY INTO THE 
GRANDVIEW...RAYTOWN...LEES SUMMIT...AND BLUE SPRINGS AREAS. AN 
ADDITIONAL ONE TO TWO INCHES OF RAIN IS LIKELY OVER CENTRAL AND 
EASTERN JACKSON COUNTY BY 2 AM.

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.

LAT...LON 3945 9461 3945 9422 3922 9422 3916 9413
      3887 9413 3888 9456 3877 9462 3878 9500
      3898 9500 3898 9492 3903 9486 3919 9486
      3922 9478 3941 9486 3952 9499 3953 9462

$$

KOCH
000 
WGUS73 KEAX 200651
FFSEAX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
151 AM CDT SAT AUG 20 2005

MOC047-165-200648-
PLATTE MO-CLAY MO-
151 AM CDT SAT AUG 20 2005

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR CLAY AND PLATTE
COUNTIES HAS BEEN CANCELLED...

SINCE MIDNIGHT...STORMS PRODUCING THE HEAVIEST RAIN HAVE TRACKED 
OVER SOUTHERN PORTIONS OF THE KANSAS CITY METRO. THE NORTHERN HALF 
OF THE CITY...INCLUDING CLAY AND PLATTE COUNTIES...RECEIVED LESS 
THAN A HALF INCH OF RAIN DURING THE LAST COUPLE OF HOURS. SINCE 
LITTLE ADDITIONAL RAIN IS EXPECTED OVER THE NORTHERN HALF OF THE 
METRO...THE FLASH FLOOD WARNING FOR PLATTE AND CLAY COUNTIES HAS 
BEEN CANCELLED. THE COMMUNITIES OF PLATTE CITY...GLADSTONE... 
LIBERTY...AND SMITHVILLE HAVE BEEN REMOVED FROM THE FLASH FLOOD 
WARNING.

LAT...LON 3920 9487 3914 9469 3911 9443 3922 9422
      3916 9413 3887 9413 3888 9456 3877 9462
      3878 9500 3898 9500 3898 9492 3903 9486

$$

KSC091-209-MOC095-200830-
WYANDOTTE KS-JOHNSON KS-JACKSON MO-
138 AM CDT SAT AUG 20 2005

...FLASH FLOOD WARNING CONTINUES FOR JACKSON...JOHNSON AND WYANDOTTE
COUNTIES UNTIL 330 AM CDT...

SEVERAL STREETS ARE CLOSED DUE TO FLASH FLOODING OVER THE SOUTHERN 
HALF OF THE KANSAS CITY METROPOLITAN AREA. JOHNSON COUNTY KANSAS HAS 
RECEIVED THE MOST RAIN DURING THE LAST TWO HOURS WITH WIDESPREAD 
RAIN AMOUNTS BETWEEN AN INCH AND A HALF AND TWO AND A HALF INCHES 
COMMON FROM LENEXA THROUGH OVERLAND PARK TO PRAIRIE VILLAGE. LAW 
ENFORCEMENT OFFICIALS REPORT THAT 18TH STREET TO ANTIOCH ALONG 
INTERSTATE 35 IS CLOSED DUE TO FLOODING ALONG TURKEY CREEK.  SHAWNEE 
MISSION PARKWAY AT STATE PARK ROAD IS ALSO CLOSED DUE TO HIGH WATER.

THE HEAVIEST RAIN HAS MOVED OUT OF THE KANSAS CITY AREA...BUT THE 
EFFECTS OF FLASH FLOODING WILL LINGER OVER JOHNSON...JACKSON...AND 
WYANDOTTE COUNTIES THROUGH THE EARLY MORNING HOURS.

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

LAT...LON 3920 9487 3914 9469 3911 9443 3922 9422
      3916 9413 3887 9413 3888 9456 3877 9462
      3878 9500 3898 9500 3898 9492 3903 9486

$$

KOCH
000 
WGUS73 KEAX 200652 CCA
FFSEAX

FLASH FLOOD STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
151 AM CDT SAT AUG 20 2005

MOC047-165-200705-
PLATTE MO-CLAY MO-
151 AM CDT SAT AUG 20 2005

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR CLAY AND PLATTE
COUNTIES HAS BEEN CANCELLED...

SINCE MIDNIGHT...STORMS PRODUCING THE HEAVIEST RAIN HAVE TRACKED 
OVER SOUTHERN PORTIONS OF THE KANSAS CITY METRO. THE NORTHERN HALF 
OF THE CITY...INCLUDING CLAY AND PLATTE COUNTIES...RECEIVED LESS 
THAN A HALF INCH OF RAIN DURING THE LAST COUPLE OF HOURS. SINCE 
LITTLE ADDITIONAL RAIN IS EXPECTED OVER THE NORTHERN HALF OF THE 
METRO...THE FLASH FLOOD WARNING FOR PLATTE AND CLAY COUNTIES HAS 
BEEN CANCELLED. THE COMMUNITIES OF PLATTE CITY...GLADSTONE... 
LIBERTY...AND SMITHVILLE HAVE BEEN REMOVED FROM THE FLASH FLOOD 
WARNING.

LAT...LON 3920 9487 3914 9469 3911 9443 3922 9422
      3916 9413 3887 9413 3888 9456 3877 9462
      3878 9500 3898 9500 3898 9492 3903 9486

$$

KSC091-209-MOC095-200830-
WYANDOTTE KS-JOHNSON KS-JACKSON MO-
138 AM CDT SAT AUG 20 2005

...FLASH FLOOD WARNING CONTINUES FOR JACKSON...JOHNSON AND WYANDOTTE
COUNTIES UNTIL 330 AM CDT...

SEVERAL STREETS ARE CLOSED DUE TO FLASH FLOODING OVER THE SOUTHERN 
HALF OF THE KANSAS CITY METROPOLITAN AREA. JOHNSON COUNTY KANSAS HAS 
RECEIVED THE MOST RAIN DURING THE LAST TWO HOURS WITH WIDESPREAD 
RAIN AMOUNTS BETWEEN AN INCH AND A HALF AND TWO AND A HALF INCHES 
COMMON FROM LENEXA THROUGH OVERLAND PARK TO PRAIRIE VILLAGE. LAW 
ENFORCEMENT OFFICIALS REPORT THAT 18TH STREET TO ANTIOCH ALONG 
INTERSTATE 35 IS CLOSED DUE TO FLOODING ALONG TURKEY CREEK.  SHAWNEE 
MISSION PARKWAY AT STATE PARK ROAD IS ALSO CLOSED DUE TO HIGH WATER.

THE HEAVIEST RAIN HAS MOVED OUT OF THE KANSAS CITY AREA...BUT THE 
EFFECTS OF FLASH FLOODING WILL LINGER OVER JOHNSON...JACKSON...AND 
WYANDOTTE COUNTIES THROUGH THE EARLY MORNING HOURS.

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

LAT...LON 3920 9487 3914 9469 3911 9443 3922 9422
      3916 9413 3887 9413 3888 9456 3877 9462
      3878 9500 3898 9500 3898 9492 3903 9486

$$

KOCH

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 19, 8:42 PM CDTFlash Flood WarningEAXAtchison6 hr

Nearby

Flash Flood Warnings in Missouri, 2005Flash Flood Warnings in Kansas, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.