Alert archive / Missouri / Flash Flood Warnings in 2008

Flash Flood Warning 80, NWS St. Louis, MO

July 25, 2008Audrain County, Pike County, Ralls County, Missouri

NWS St. Louis, MO issued this flash flood warning at Jul 25, 2008, 12:51 AM CDT for Audrain County, Pike County, Ralls County, Missouri. It was in force for 12 hr. 5 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
Jul 25, 2008, 12:51 AM CDT (05:51 UTC)
Expired
Jul 25, 2008, 12:45 PM CDT
In force
12 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

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

The radar

The St Louis radar (KLSX), 116 km from the middle of the area, began a volume at 05:54 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
Jul 25, 4:24 AM CDTFLASH FLOOD5 W Curryville, MOHIGHWAY 154 CLOSED FROM 5 TO 15 MILES WEST OF CURRYVILLE.
Jul 25, 4:35 AM CDTFLASH FLOODVandalia, MONUMEROUS ROADS FLOODED INCLUDING HIGHWAY 54.
Jul 25, 6:09 AM CDTFLASH FLOOD1 S Curryville, MOROUTE M IS CLOSED WITH APPROX ONE FOOT OF WATER FLOWING OVER THE ROAD.
Jul 25, 6:12 AM CDTFLASH FLOOD3 E Vandalia, MOROUTE V AT AUDRAIN AND PIKE COUNTY LINE IS CLOSED DUE TO HIGH WATER
Jul 25, 6:15 AM CDTFLASH FLOOD3 Ne New Hartford, MOROUTE Y IS CLOSED DUE TO HIGH WATER

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

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 5.9 hours before the alert went out and 282 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, Davenport, at 00:00Z on 2008-07-25Temperature 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, Davenport, at 00:00Z on 2008-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
718 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
151 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 250551
FFWLSX
MOC007-163-173-251145-
/O.NEW.KLSX.FF.W.0080.080725T0551Z-080725T1145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1251 AM CDT FRI JUL 25 2008

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

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

* UNTIL 645 AM CDT

* AT 1245 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
  THUNDERSTORMS PRODUCING TORRENTIAL RAINFALL ACROSS THE WARNED      
  AREA. FLASH FLOODING IS LIKELY TO OCCUR OVER THE WARNED AREA.      
  RADAR ESTIMATES BETWEEN 1 AND 3 INCHES OF RAIN HAS FALLEN OVER THE 
  PAST 2 HOURS AND ADDITIONAL HEAVY RAINFALL IS LIKELY.

* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE
  AFFECTING VANDALIA...SPENCERBURG...NEW LONDON...FRANKFORD...FARBER
  AND CURRYVILLE.

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 3935 9232 3933 9144 3959 9147 3959 9121
      3914 9119 3915 9164 3906 9165 3907 9211
      3924 9211 3925 9232

$$

CVKING
4 follow-up statements
000 
WGUS73 KLSX 250926
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
426 AM CDT FRI JUL 25 2008

MOC007-163-173-251145-
/O.CON.KLSX.FF.W.0080.000000T0000Z-080725T1145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
AUDRAIN MO-PIKE MO-RALLS MO-
426 AM CDT FRI JUL 25 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 AM CDT FOR
AUDRAIN COUNTY IN CENTRAL MISSOURI...AND SOUTHEASTERN RALLS AND
WESTERN PIKE COUNTIES IN NORTHEAST MISSOURI...

AT 421 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE VERY HEAVY RAINFALL OCCURRING ACROSS THE WARNED AREA. FLASH 
FLOODING IS EXPECTED OVER THE WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO VANDALIA...
SPENCERBURG...NEW LONDON...FRANKFORD AND CURRYVILLE.

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 3935 9232 3933 9144 3959 9147 3959 9121
      3914 9119 3915 9164 3906 9165 3907 9211
      3924 9211 3925 9232

$$

CVKING
000 
WGUS53 KLSX 251045
FFWLSX
MOC007-163-173-251745-
/O.EXT.KLSX.FF.W.0080.000000T0000Z-080725T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
545 AM CDT FRI JUL 25 2008

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS EXTENDED THE

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

* UNTIL 1245 PM CDT

* AT 540 AM CDT...THUNDERSTORMS PRODUCING VERY HEAVY RAIN CONTINUED  
  ACROSS THE WARNED AREA. FLASH FLOODING HAS BEEN REPORTED OVER THE  
  WARNED AREA AND WILL CONTINUE THIS MORNING AS RUNOFF FROM THE      
  EXCESSIVE RAINFALL CAUSES CREEKS AND RIVERS TO FLOOD.

* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE
  AFFECTING VANDALIA...SPENCERBURG...NEW LONDON...FRANKFORD AND
  CURRYVILLE.

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 3935 9232 3933 9144 3959 9147 3959 9121
      3914 9119 3915 9164 3906 9165 3907 9211
      3924 9211 3925 9232

$$

CVKING
000 
WGUS73 KLSX 251254
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
754 AM CDT FRI JUL 25 2008

MOC007-163-173-251745-
/O.CON.KLSX.FF.W.0080.000000T0000Z-080725T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
AUDRAIN MO-PIKE MO-RALLS MO-
754 AM CDT FRI JUL 25 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 PM CDT FOR
AUDRAIN COUNTY IN CENTRAL MISSOURI...AND SOUTHEASTERN RALLS AND
WESTERN PIKE COUNTIES IN NORTHEAST MISSOURI...

AT 747 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS AND THE DEPARTMENT 
OF TRANSPORTATION REPORTED THAT A NUMBER OF ROADS WERE CLOSED DUE TO 
FLASH FLOODING OF CREEKS AND STREAMS IN THE WARNED AREA. SHOWERS AND 
THUNDERSTORMS SHOULD END ACROSS NORTHEAST MISSOURI BY LATE  
MORNING...WITH ANOTHER INCH OF RAINFALL POSSIBLE. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO VANDALIA...
SPENCERBURG...NEW LONDON...FRANKFORD AND CURRYVILLE.

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.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

LAT...LON 3935 9232 3933 9144 3959 9147 3959 9121
      3914 9119 3915 9164 3906 9165 3907 9211
      3924 9211 3925 9232

$$

GLASS
000 
WGUS73 KLSX 251441
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
941 AM CDT FRI JUL 25 2008

MOC007-163-173-251745-
/O.CON.KLSX.FF.W.0080.000000T0000Z-080725T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
AUDRAIN MO-PIKE MO-RALLS MO-
941 AM CDT FRI JUL 25 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 PM CDT FOR
AUDRAIN COUNTY IN CENTRAL MISSOURI...AND SOUTHEASTERN RALLS AND
WESTERN PIKE COUNTIES IN NORTHEAST MISSOURI...

AT 931 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
SHOW AN AREA OF MODERATE RAIN WHICH COULD BE PRODUCING UP TO 1/4 
INCH PER HOUR RAINFALL RATES.  WHILE THIS RAIN IS NOT PARTICULARLY 
HEAVY...IT IS FALLING ON GROUND THAT IS ALREADY SATURATED AND WILL 
RUN DIRECTLY OFF INTO AREA STREAMS.  THEREFORE THE POTENTIAL 
CONTINUES FOR DANGEROUS FLASH FLOODING ACROSS THE AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
MEXICO...VANDALIA...SPENCERBURG...NEW LONDON...FRANKFORD AND 
CURRYVILLE.

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.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

LAT...LON 3935 9232 3933 9144 3959 9147 3959 9121
      3914 9119 3915 9164 3906 9165 3907 9211
      3924 9211 3925 9232

$$

CARNEY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 10:05 PM CDTSevere Thunderstorm WarningLSXAudrain, Ralls40 min
Jul 24, 10:23 PM CDTFlash Flood WarningLSXKnox, Lewis, Marion, Monroe, Ralls, Shelby12 hr
Jul 24, 11:19 PM CDTSevere Thunderstorm WarningLSXAudrain, Monroe, Pike, Ralls41 min
Jul 25, 2:20 AM CDTRiver Flood WarningLSXMarion4 days
Jul 25, 7:08 AM CDTFlash Flood WarningLSXBoone, Callaway, Montgomery5 hr
Jul 25, 9:54 AM CDTRiver Flood WarningLSXMarion25 hr
Jul 25, 10:20 AM CDTRiver Flood WarningLSXLincoln29 hr
Jul 25, 10:20 AM CDTRiver Flood WarningLSXLincoln7 days
Jul 25, 10:23 AM CDTAreal Flood WarningLSXKnox, Lewis, Marion, Monroe, Ralls, Shelby8 hr
Jul 25, 11:35 AM CDTRiver Flood WarningLSXCallaway, Osage24 hr
Jul 25, 11:35 AM CDTRiver Flood WarningLSXGasconade, Montgomery10 days
Jul 25, 11:35 AM CDTRiver Flood WarningLSXGasconade, Montgomery24 hr
Jul 25, 12:01 PM CDTAreal Flood WarningLSXBoone, Callaway, Montgomery8 hr
Jul 25, 12:04 PM CDTRiver Flood WarningLSXMarion34 hr
Jul 25, 12:04 PM CDTRiver Flood WarningLSXPike8 days
Jul 25, 12:04 PM CDTRiver Flood WarningLSXPike9 days
Jul 25, 12:04 PM CDTRiver Flood WarningLSXLincoln9 days
Jul 25, 12:04 PM CDTRiver Flood WarningLSXSaint Charles10 days
Jul 25, 12:51 PM CDTAreal Flood WarningLSXAudrain, Pike8 hr
Jul 25, 6:10 PM CDTAreal Flood WarningLSXKnox, Lewis, Marion, Monroe, Ralls, Shelby12 hr
Jul 25, 6:40 PM CDTSevere Thunderstorm WarningLSXCole, Moniteau50 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.