Alert archive / Missouri / Flash Flood Warnings in 2003

Flash Flood Warning 4, NWS Kansas City, MO

June 12, 2003Buchanan County, DeKalb County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jun 12, 2003, 5:37 PM CDT for Buchanan County, DeKalb 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
Jun 12, 2003, 5:37 PM CDT (22:37 UTC)
Expired
Jun 12, 2003, 11:15 PM CDT
In force
6 hr
Issued by
NWS Kansas City, MO
Area
Counties, with a storm outline in the text

Counties Buchanan County, MO, DeKalb County, MO

The radar

The Pleasant Hill radar (KEAX), 118 km from the middle of the area, began a volume at 22:40 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.

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 10.6 hours before the alert went out and 135 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 12:00Z on 2003-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 196 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 12:00Z on 2003-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -125 square meters per square second.1939Sfc1 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
196 J/kg
Mixed-layer CIN
-165 J/kg
Mixed-layer LCL
1237 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-125 m²/s²
0-3 km storm-relative helicity
-50 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.5

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KEAX 122237
FFWEAX
MOC021-063-130415-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
537 PM CDT THU JUN 12 2003

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN BUCHANAN COUNTY IN NORTHWEST MISSOURI
  DEKALB COUNTY IN NORTHWEST MISSOURI

* UNTIL 1115 PM CDT

* AT 520 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT   
CASTILE CREEK WAS PRODUCING FLOODING IN SOUTHWEST DEKALB COUNTY. 
ROUTE O...FROM ROUTE N TO ROUTE J...WAS CLOSED DUE TO FLOODING.

HEAVY RAINFALL SINCE 2 PM WILL ALSO RESULT IN FLOODING ALONG THIRD 
FORK CREEK IN NORTHEAST BUCHANAN COUNTY. THE BUCHANAN COUNTY TOWNS 
OF EASTON...SAN ANTONIO AND HURLINGEN ARE IN THE AREA OF HEAVIEST 
RAINFALL AND ASSOCIATED FLOODING. IN ADDITION...HIGHWAYS 
36...31...AND 6 ARE ALSO IN THE WARNED AREA AND MAY EXPERIENCE 
FLOODING. 

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 4003 9426 3977 9426 3975 9463 3970 9463
          3975 9474 3981 9472 3981 9461 4002 9460

$$


SP
2 follow-up statements
000 
WGUS73 KEAX 130104
FFSEAX
MOC021-063-130400-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
800 PM CDT THU JUN 12 2003

...FLASH FLOOD WARNING CONTINUES UNTIL 1115 PM CDT FOR NORTHEASTERN
BUCHANAN AND DEKALB COUNTIES...

AT 755 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL HAVE WEAKENED AND MOVED NORTH 
AND OUT OF THE AREA. HOWEVER...RUNOFF FROM THE HEAVY RAINS EARLIER 
THIS EVENING WILL CONTINUE TO POSE A FLOODING PROBLEM FOR SEVERAL 
MORE HOURS. DOPPLER RADAR ESTIMATED BETWEEN 2 AND 3 INCHES OF RAIN 
FELL FROM WEST OF SAN ANTONIO TO CLARKSDALE. 

RUNOFF FROM THE EXCESSIVE RAINFALL EARLY THIS EVENING WILL CAUSE 
FLOODING TO OCCUR...ESPECIALLY ALONG SMALL STREAMS AND NEAR LOW 
WATER CROSSINGS. SOME LOCATIONS THAT MAY EXPERIENCE FLOODING 
INCLUDE...WEATHERBY...MAYSVILLE...FAIRPORT...EASTON...CLARKSDALE AND 
AMITY.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF 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.

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 4005 9437 4003 9424 3981 9423 3976 9437
          3976 9459 3970 9463 3970 9475 3981 9471
          3981 9463 3985 9458 4005 9455

$$

MJ
000 
WGUS73 KEAX 130415
FFSEAX
MOC021-063-130715-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1115 PM CDT THU JUN 12 2003

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHEASTERN
BUCHANAN AND DEKALB 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 4005 9437 4003 9423 3976 9423 3975 9461
          3966 9463 3965 9477 3981 9471 3982 9461
          4003 9462

$$

MJ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 6:02 PM CDTFlash Flood WarningEAXChariton, Randolph, Saline6 hr
Jun 12, 6:14 PM CDTFlash Flood WarningEAXHoward6 hr
Jun 12, 6:44 PM CDTFlash Flood WarningEAXLivingston6 hr

Nearby

Flash Flood Warnings in Missouri, 2003Every flash flood warning in 2003

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; radar from the NEXRAD Level II archive.