Alert archive / Missouri / Flash Flood Warnings in 2003

Flash Flood Warning 17, NWS St. Louis, MO

June 25, 2003Audrain County, Pike County, Ralls County, Missouri

NWS St. Louis, MO issued this flash flood warning at Jun 25, 2003, 8:18 PM CDT for Audrain County, Pike County, Ralls 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 counties it named.

The facts

Issued
Jun 25, 2003, 8:18 PM CDT (01:18 UTC)
Expired
Jun 26, 2003, 2:15 AM CDT
In force
6 hr
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Audrain County, MO, Pike County, MO, Ralls County, MO

The radar

The St Louis radar (KLSX), 103 km from the middle of the area, began a volume at 01:18 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

Lincoln, IL (KILX), launched 00:00Z, 1.3 hours before the alert went out and 264 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, Lincoln, IL at 00:00Z on 2003-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 843 joules per kilogram.LCLEL10008507005003002001001 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, Lincoln, IL at 00:00Z on 2003-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 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
843 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1649 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLSX 260121
FFWLSX
MOC007-163-173-260715-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
818 PM CDT WED JUN 25 2003

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  AUDRAIN COUNTY IN CENTRAL MISSOURI
  PIKE COUNTY IN NORTHEAST MISSOURI
  RALLS COUNTY IN NORTHEAST MISSOURI

* UNTIL 215 AM CDT

* AT 818 PM CDT...THE RALLS...AUDRAIN...AND PIKE COUNTY SHERIFFS     
  OFFICES REPORTED WATER COVERING NUMEROUS ROADWAYS ACROSS THE      
  AREA.   

* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE       
  AFFECTING AREAS AROUND LADDONIA...FARBER...VANDALIA...
  CURRYVILLE...PERRY...AND CENTER.

MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR LOW WATER CROSSINGS IF WATER COVERS THE
ROADWAY. DO NOT DRIVE AROUND BARRICADES IF YOUR VEHICLE STALLS...
ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND.

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

$$

CARNEY/BECHTOLD
2 follow-up statements
000 
WGUS73 KLSX 260445
FFSLSX
MOC007-163-173-260715-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1145 PM CDT WED JUN 25 2003

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR AUDRAIN...PIKE AND
RALLS COUNTIES UNTIL 215 AM CDT...

WEATHER SERVICE DOPPLER RADAR CONTINUES TO INDICATE LIGHT TO 
MODERATE RAIN CONTINUING ACROSS AUDRAIN...PIKE...AND RALLS 
COUNTIES.  MOST OF THE HEAVY RAIN HAS MOVED SOUTH OF THE 
AREA...HOWEVER THERE ARE STILL A FEW POCKETS OF HEAVY RAIN WHICH ARE 
MOVING THROUGH ALL THREE COUNTIES.  PRECIPITATION ESTIMATES FROM THE 
ST LOUIS DOPPLER RADAR ARE SHOWING MORE THAN 6 INCHES OF RAIN HAS 
FALLEN ACROSS PORTIONS OF PIKE AND RALLS COUNTIES IN THE PAST 8 
HOURS.  THE RAIN WHICH HAS ALREADY FALLEN WILL CONTINUE TO RUN OFF 
INTO AREA STREAMS AND CREEKS...CAUSING DANGEROUS FLOODING.  PEOPLE 
WHO LIVE IN LOW LYING AREAS OR NEAR CREEKS AND STREAMS OR WHO WILL 
BE DRIVING TONIGHT MUST KEEP AN EYE ON WATER CONDITIONS AND BE 
PREPARED TO MOVE TO HIGHER GROUND.  DO NOT DRIVE INTO AREAS WHERE 
WATER COVERS THE ROAD.  MORE PEOPLE ARE KILLED EACH YEAR FROM 
DRIVING INTO FLOODED ROADWAYS AND DROWNING IN THEIR CARS THAN FROM 
TORNADOS AND SEVERE THUNDERSTORMS  A LARGE TRUCK OR SPORT UTILITY 
VEHICLE OFFERS NO EXTRA PROTECTION FROM FAST MOVING FLOOD WATERS  
DO NOT BECOME A STATISTIC  IF YOU CAR STALLS IN RISING 
WATER...ABANDON IT IMMEDIATELY AND HEAD FOR HIGHER GROUND 

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. 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.

MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. AVOID BRIDGES...DIPS...
OR OTHER LOW LYING AREAS...AND NEVER 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. ONCE AGAIN...VEHICLES CAUGHT IN 
RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.

$$

CARNEY
000 
WGUS73 KLSX 260724
FFSLSX
MOC007-173-260745-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
222 AM CDT THU JUN 26 2003

...FLASH FLOOD WARNING FOR AUDRAIN AND RALLS COUNTIES HAS EXPIRED...

WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE HEAVY RAINS WHICH 
PROMPTED THE FLASH FLOOD WARNING HAVE ENDED.  A CHECK WITH SHERIFFS 
DEPARTMENTS IN BOTH COUNTIES ALSO INDICATED THAT FLOODING WAS NO 
LONGER A PROBLEM.

$$

TRUETT

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 25, 8:35 PM CDTFlash Flood WarningLSXLincoln6 hr
Jun 25, 9:18 PM CDTFlash Flood WarningLSXBoone6 hr
Jun 25, 10:04 PM CDTFlash Flood WarningLSXCallaway, Montgomery6 hr
Jun 25, 10:25 PM CDTFlash Flood WarningLSXSaint Charles, Saint Louis, City of Saint Louis6 hr
Jun 25, 11:05 PM CDTFlash Flood WarningLSXFranklin, Gasconade, Warren6 hr
Jun 26, 1:13 AM CDTFlash Flood WarningLSXJefferson6 hr
Jun 26, 2:14 AM CDTFlash Flood WarningLSXPike4 hr
Jun 26, 2:29 AM CDTFlash Flood WarningLSXLincoln4 hr
Jun 26, 4:14 AM CDTFlash Flood WarningLSXSaint Charles, Saint Louis, City of Saint Louis3 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.