Alert archive / Missouri / Flash Flood Warnings in 2008

Flash Flood Warning 98, NWS St. Louis, MO

September 13, 2008Audrain County, Boone County, Monroe County, Missouri

NWS St. Louis, MO issued this flash flood warning at Sep 13, 2008, 4:07 PM CDT for Audrain County, Boone County, Monroe County, Missouri. It was in force for 6 hr. 4 reports 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
Sep 13, 2008, 4:07 PM CDT (21:07 UTC)
Expired
Sep 13, 2008, 10:00 PM CDT
In force
6 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

Counties Audrain County, MO, Boone County, MO, Monroe County, MO

The radar

The St Louis radar (KLSX), 132 km from the middle of the area, began a volume at 21:07 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
Sep 13, 7:57 PM CDTFLASH FLOOD2 N Hallsville, MOROUTE V AT TUCKER SCHOOL ROAD AND THOMAS HILL ROAD CLOSED DUE TO FLOODING
Sep 13, 7:59 PM CDTFLASH FLOOD2 S Mexico, MOROUTE 54 BUISNESS CLOSED AT TEAL LAKE CREEK DUE TO FLOODING
Sep 13, 8:00 PM CDTFLASH FLOOD7 Sse Paris, MOROUTE D CLOUSED BETWEEN HWY 15 AND ROUTE D DUE TO FLOODING
Sep 13, 8:02 PM CDTFLASH FLOOD4 Ne Woodlawn, MOROUTE A CLOSED BETWEEN ROUTES DD AND WW

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 9.1 hours before the alert went out and 288 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, Springfield, MO at 12:00Z on 2008-09-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 339 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, Springfield, MO at 12:00Z on 2008-09-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 176 square meters per square second.193958Sfc1 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
339 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
582 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
176 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.2

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLSX 132107
FFWLSX
MOC007-019-137-140300-
/O.NEW.KLSX.FF.W.0098.080913T2107Z-080914T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
407 PM CDT SAT SEP 13 2008

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  AUDRAIN COUNTY IN CENTRAL MISSOURI
  BOONE COUNTY IN CENTRAL MISSOURI
  MONROE COUNTY IN NORTHEAST MISSOURI

* UNTIL 1000 PM CDT

* AT 403 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER THE WARNED AREA. RADAR
  ESTIMATES 1 1/2 TO 2 INCHES OF RAIN HAS FALLEN OVER PORTIONS OF    
  NORTHERN BOONE COUNTY...WESTERN AUDRAIN...AND WESTERN SHELBY       
  COUNTIES SINCE 300 PM.

* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE       
  AFFECTING BUT IS NOT LIMITED TO HARRISBURG...HALLSVILLE...
  STURGEON...HINTON...CENTRALIA...THOMPSON...MIDDLE GROVE...
  MADISON...HOLLIDAY...AND PARIS..

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.

LAT...LON 3925 9243 3925 9232 3961 9230 3961 9220
      3966 9219 3966 9173 3934 9173 3932 9144
      3915 9142 3915 9164 3906 9165 3907 9213
      3881 9214 3870 9222 3865 9220 3867 9235
      3872 9235 3875 9241 3881 9239 3900 9257

$$

CARNEY
1 follow-up statement
000 
WGUS73 KLSX 140054
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
754 PM CDT SAT SEP 13 2008

MOC007-019-137-140300-
/O.CON.KLSX.FF.W.0098.000000T0000Z-080914T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BOONE MO-AUDRAIN MO-MONROE MO-
754 PM CDT SAT SEP 13 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
MONROE...AUDRAIN AND BOONE COUNTIES...

AT 744 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THAT 
THE HEAVY RAIN WHICH PROMPTED THE WARNING HAD TAPERED OFF...BUT MORE 
HEAVY RAIN WILL BE DEVELOPING OVER THE AREA THIS EVENING.  THEREFORE 
THE WARNING WILL REMAINS IN EFFECT.

LOCAL LAW ENFORCEMENT AGENCIES AND THE MISSOURI DEPARTMENT OF 
TRANSPORTATION REPORTED SEVERAL ROAD CLOSURES ACROSS THE THREE 
COUNTIES INCLUDED IN THE WARNING.  BOONE COUNTY EMERGENCY MANAGEMENT 
REPORTED THAT ROUTE V AT TUCKER SCHOOL ROAD WAS CLOSED...AS WELL AS 
ROUTE V AT THOMAS HILL ROAD.  THE AUDRAIN COUNTY SHERIFF DEPARTMENT 
REPORTED THAT A PORTION OF ROUTE J NORTH OF MEXICO HAD BEEN CLOSED 
DUE TO WATER OVER THE ROADWAY...AND THE MISSOURI DEPARTMENT OF 
TRANSPORTATION REPORTED THAT BUSINESS ROUTE 54 SOUTH OF MEXICO WAS 
CLOSED AT TEAL LAKE CREEK.  ADDITIONALLY...THE DEPARTMENT OF 
TRANSPORTATION REPORTED THAT ROUTE D WAS CLOSED BETWEEN HIGHWAY 15 
AND Z IN MONROE COUNTY...AS WELL AS ROUTE A BETWEEN ROUTES DD AND WW.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WOODLAWN...
VANDALIA...STURGEON...SANTA FE...PARIS...MONROE CITY...MEXICO...
MADISON...LADDONIA...HALLSVILLE...GRANVILLE...FARBER AND CENTRALIA.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

LAT...LON 3925 9243 3925 9232 3961 9230 3961 9220
      3966 9219 3966 9173 3934 9173 3932 9144
      3915 9142 3915 9164 3906 9165 3907 9213
      3881 9214 3870 9222 3865 9220 3867 9235
      3872 9235 3875 9241 3881 9239 3900 9257

$$

CARNEY

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 12, 8:36 PM CDTRiver Flood WarningLSXCallaway, Cole7 days
Sep 12, 8:36 PM CDTRiver Flood WarningLSXCallaway, Osage9 days
Sep 12, 8:36 PM CDTRiver Flood WarningLSXGasconade, Montgomery10 days
Sep 12, 8:36 PM CDTRiver Flood WarningLSXGasconade, Montgomery9 days
Sep 12, 8:36 PM CDTRiver Flood WarningLSXFranklin, Warren9 days
Sep 12, 8:36 PM CDTRiver Flood WarningLSXSaint Charles, Saint Louis9 days
Sep 13, 8:41 AM CDTAreal Flood WarningLSXKnox8 hr
Sep 13, 11:13 AM CDTRiver Flood WarningLSXLewis5 days
Sep 13, 11:13 AM CDTRiver Flood WarningLSXLewis4 days
Sep 13, 11:13 AM CDTRiver Flood WarningLSXMarion51 hr
Sep 13, 11:13 AM CDTRiver Flood WarningLSXMarion5 days
Sep 13, 11:33 AM CDTRiver Flood WarningLSXJefferson, Saint Louis10 days
Sep 13, 12:33 PM CDTRiver Flood WarningLSXLincoln6 days
Sep 13, 4:35 PM CDTAreal Flood WarningLSXKnox, Lewis, Marion, Pike, Ralls, Shelby18 hr

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.