Alert archive / Missouri / Flash Flood Warnings in 2008

Flash Flood Warning 67, NWS St. Louis, MO

June 24, 2008Saint Charles County, Missouri

NWS St. Louis, MO issued this flash flood warning at Jun 24, 2008, 5:55 AM CDT for Saint Charles 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 24, 2008, 5:55 AM CDT (10:55 UTC)
Expired
Jun 24, 2008, 12:00 PM CDT
In force
6 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

County Saint Charles County, MO

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 10.9 hours before the alert went out and 223 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 2008-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2008-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1981 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLSX 241104
FFWLSX
MOC183-241700-
/O.NEW.KLSX.FF.W.0067.080624T1055Z-080624T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
555 AM CDT TUE JUN 24 2008

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI

* UNTIL NOON CDT

* AT 549 AM CDT...THE ST CHARLES COUNTY EMERGENCY MANAGEMENT AGENCY 
REPORTED SEVERAL HOLES HAD DEVELOPED IN THE ELM POINT LEVEE AND 
WATER WAS GRADUALLY INUNDATING A SMALL PORTION OF NORTH CENTRAL ST. 
CHARLES COUNTY.  

* THE AREA IMPACTED IS BOUNDED BY INTERSTATE 370 ON THE NORTH...ELM 
STREET ON THE EAST...ELM POINT ROAD ON THE SOUTH...AND TRUMAN 
BOULEVARD ON THE WEST.  

NO MANDATORY EVACUATIONS HAVE BEEN ORDERED YET. PEOPLE WHO ARE 
VOLUNTARILY EVACUATING MAY SEE SHELTER AT THE FIRST UNITED METHODIST 
CHURCH AT 801 FIRST CAPITOL STREET IN ST. CHARLES.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. 

LAT...LON 3887 9064 3887 9044 3878 9049 3881 9063
TIME...MOT...LOC 1055Z 180DEG 0KT 3884 9058

$$

GLASS/CARNEY
1 follow-up statement
000 
WGUS73 KLSX 241703
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1158 AM CDT TUE JUN 24 2008

MOC183-241708-
/O.EXP.KLSX.FF.W.0067.000000T0000Z-080624T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. CHARLES MO-
1158 AM CDT TUE JUN 24 2008

...THE FLASH FLOOD WARNING WILL EXPIRE AT NOON CDT FOR CENTRAL ST.
CHARLES COUNTY...

WHILE THE FLASH FLOOD WARNING HAS EXPIRED...THE RIVER FLOOD WARNING 
FOR THE MISSISSIPPI RIVER REMAINS IN EFFECT UNTIL FURTHER NOTICE IN 
ST. CHARLES COUNTY.  WATER CONTINUES TO POUR THROUGH THE ELM POINT 
LEVEE AND DEEPEN THE FLOOD WATERS OF THE 390 ACRES THAT IT HAD 
PROTECTED. 

THE AREA IMPACTED IS BOUNDED BY INTERSTATE 370 ON THE NORTH...ELM 
STREET ON THE EAST...ELM POINT ROAD ON THE SOUTH...AND TRUMAN 
BOULEVARD ON THE WEST.  

NO MANDATORY EVACUATIONS HAVE BEEN ORDERED YET. PEOPLE WHO ARE 
VOLUNTARILY EVACUATING MAY SEE SHELTER AT THE FIRST UNITED METHODIST 
CHURCH AT 801 FIRST CAPITOL STREET IN ST. CHARLES.

LAT...LON 3887 9064 3887 9044 3878 9049 3881 9063
TIME...MOT...LOC 1658Z 180DEG 0KT 3884 9058

$$

TES

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 9:48 AM CDTSevere Thunderstorm WarningLSXBoone, Callaway, Cole, Moniteau42 min
Jun 24, 5:25 PM CDTAreal Flood WarningLSXSaint Charles24 hr
Jun 24, 6:47 PM CDTSevere Thunderstorm WarningLSXBoone43 min

Nearby

Flash Flood Warnings in Missouri, 2008Every flash flood warning in 2008

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.