Alert archive / Missouri / Flash Flood Warnings in 2004

Flash Flood Warning 39, NWS Kansas City, MO

July 16, 2004Jackson County, Platte County, Missouri; Johnson County, Wyandotte County, Kansas

NWS Kansas City, MO issued this flash flood warning at Jul 16, 2004, 5:04 AM CDT for Jackson County, Platte County, Missouri; Johnson County, Wyandotte County, Kansas. It was in force for 7 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
Jul 16, 2004, 5:04 AM CDT (10:04 UTC)
Expired
Jul 16, 2004, 12:30 PM CDT
In force
7 hr
Issued by
NWS Kansas City, MO
Area
Counties, with a storm outline in the text

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

The radar

The Pleasant Hill radar (KEAX), 54 km from the middle of the area, began a volume at 10:05 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
Jul 16, 7:00 AM CDTFLASH FLOODKansas City, MOWATER OVER ROAD...CARS STALLED AT STADIUM DRIVE AND MANCHESTER ROAD.

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, 10.1 hours before the alert went out and 90 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 2004-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3709 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 2004-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.19395878Sfc1 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
3709 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
1012 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
237 m²/s²
Significant tornado parameter
2.0
Supercell composite
9.3

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KEAX 161006
FFWEAX
KSC091-209-MOC095-165-161600-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
504 AM CDT FRI JUL 16 2004

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

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

* UNTIL 1100 AM CDT

* AT 500 AM 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...BLUE SPRINGS...EDWARDSVILLE...FARLEY...GRANDVIEW...
  INDEPENDENCE...KANSAS CITY KS...KCI AIRPORT...LAKE LOTAWANA...LAKE
  QUIVIRA...LEAWOOD AND LEES SUMMIT

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.

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.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
PLEASANT HILL.

LAT...LON 3943 9465 3939 9462 3913 9460 3914 9449
      3912 9445 3916 9441 3890 9418 3888 9419
      3881 9478 3918 9488 3920 9480 3933 9491
      3938 9489 3951 9496

$$

NRR
1 follow-up statement
000 
WGUS73 KEAX 161604
FFSEAX
KSC091-209-MOC047-095-165-161630-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1104 AM CDT FRI JUL 16 2004

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR JACKSON...CLAY...
PLATTE...JOHNSON AND WYANDOTTE 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.

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS.

LAT...LON 3923 9479 3947 9493 3943 9426 3916 9418
      3886 9415 3878 9504 3902 9490

$$

SEAMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 12:52 AM CDTSevere Thunderstorm WarningEAXWorth53 min
Jul 16, 1:27 AM CDTSevere Thunderstorm WarningEAXGentry63 min
Jul 16, 2:27 AM CDTSevere Thunderstorm WarningEAXBuchanan63 min
Jul 16, 2:33 AM CDTSevere Thunderstorm WarningEAXClinton57 min
Jul 16, 2:37 AM CDTTornado WarningEAXClay, Clinton53 min
Jul 16, 3:01 AM CDTTornado WarningEAXJackson59 min
Jul 16, 3:04 AM CDTSevere Thunderstorm WarningEAXLafayette, Ray86 min
Jul 16, 3:30 AM CDTSevere Thunderstorm WarningEAXClay60 min
Jul 16, 3:33 AM CDTSevere Thunderstorm WarningEAXCass57 min
Jul 16, 3:44 AM CDTSevere Thunderstorm WarningEAXJohnson91 min
Jul 16, 4:02 AM CDTSevere Thunderstorm WarningEAXJackson58 min
Jul 16, 4:33 AM CDTFlash Flood WarningEAXClay8 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.