Alert archive / Missouri / Flash Flood Warnings in 2003

Flash Flood Warning 12, NWS Kansas City, MO

July 17, 2003Livingston County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jul 17, 2003, 6:04 AM CDT for Livingston 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
Jul 17, 2003, 6:04 AM CDT (11:04 UTC)
Expired
Jul 17, 2003, 12:00 PM CDT
In force
6 hr
Issued by
NWS Kansas City, MO
Area
Counties, with a storm outline in the text

County Livingston County, MO

The radar

The Pleasant Hill radar (KEAX), 129 km from the middle of the area, began a volume at 11:06 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 00:00Z, 11.1 hours before the alert went out and 197 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 2003-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1843 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 2003-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
1843 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
2319 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.3

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KEAX 171106
FFWEAX
MOC117-171700-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
604 AM CDT THU JUL 17 2003

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN LIVINGSTON COUNTY IN NORTH CENTRAL MISSOURI

* UNTIL NOON CDT

* AT 600 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED 
  TO INDICATE THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS WESTERN 
  LIVINGSTON COUNTY. 

* SLOW MOVING 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...UTICA...SPRINGHILL...SAMPSEL AND MOORESVILLE.

DOPPLER RADAR ESTIMATED RAINFALL IN EXCESS OF THREE INCHES HAS 
FALLEN ACROSS NORTHWESTERN LIVINGSTON COUNTY. RUNOFF FROM THIS 
EXCESSIVE RAINFALL WILL LEAD TO RAPID RISES...AND THE THREAT OF 
FLASH FLOODING ON STREAMS AND CREEKS.

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 3996 9354 3970 9359 3974 9376 3995 9377

$$


SEAMAN
2 follow-up statements
000 
WGUS73 KEAX 171325
FFSEAX
MOC117-171915-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
822 AM CDT THU JUL 17 2003

...FLASH FLOOD WARNING CONTINUES UNTIL NOON FOR WESTERN LIVINGSTON 
COUNTY...

AT 820 AM CDT...DOPPLER RADAR INDICATED THAT THE THUNDERSTORMS 
RESPONSIBLE FOR THE HEAVY RAIN OVER LIVINGSTON COUNTY EARLIER THIS 
MORNING...HAVE MOVED SOUTHEAST INTO CENTRAL MISSOURI.  REPORTS FROM 
CHILLICOTHE INDICATE THAT 3.65 INCHES OF RAIN FELL THIS MORNING.  
RADAR ESTIMATES INDICATE THAT UP TO 4 TO 6 INCHES FELL WEST OF 
TOWN...IN A VERY SHORT PERIOD OF TIME.

WHILE THE RAIN HAS MOVED OUT OF THE AREA...CREEKS AND STREAMS WILL 
STILL REMAIN HIGH THIS MORNING DUE TO THE EXCESSIVE RUNOFF.  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 3996 9339 3992 9373 3963 9372 3964 9336

$$

HUDSON
000 
WGUS73 KEAX 171658
FFSEAX
MOC117-172000-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1157 AM CDT THU JUL 17 2003

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT UNTIL NOON FOR WESTERN
LIVINGSTON COUNTY 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.

LAT...LON 3966 9373 3964 9343 3994 9338 3994 9372

$$

SP

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 6:57 AM CDTSevere Thunderstorm WarningEAXPettis63 min
Jul 17, 7:38 AM CDTFlash Flood WarningEAXMacon6 hr
Jul 17, 7:42 AM CDTFlash Flood WarningEAXPettis, Saline6 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.