Alert archive / Missouri / Flash Flood Warnings in 2008

Flash Flood Warning 56, NWS St. Louis, MO

June 13, 2008Marion County, Monroe County, Shelby County, Missouri

NWS St. Louis, MO issued this flash flood warning at Jun 13, 2008, 12:53 AM CDT for Marion County, Monroe County, Shelby 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 13, 2008, 12:53 AM CDT (05:53 UTC)
Expired
Jun 13, 2008, 7:00 AM CDT
In force
6 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

Counties Marion County, MO, Monroe County, MO, Shelby County, MO

The radar

The St Louis radar (KLSX), 140 km from the middle of the area, began a volume at 05:53 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

Davenport, (KDVN), launched 00:00Z, 5.9 hours before the alert went out and 237 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 2008-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3526 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, Davenport, at 00:00Z on 2008-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 192 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
3526 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
947 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
192 m²/s²
0-3 km storm-relative helicity
304 m²/s²
Significant tornado parameter
5.4
Supercell composite
26.7

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLSX 130556
FFWLSX
MOC127-137-205-131200-
/O.NEW.KLSX.FF.W.0056.080613T0553Z-080613T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1253 AM CDT FRI JUN 13 2008

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MARION COUNTY IN NORTHEAST MISSOURI
  MONROE COUNTY IN NORTHEAST MISSOURI
  SHELBY COUNTY IN NORTHEAST MISSOURI

* UNTIL 700 AM CDT

* AT 1250 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR            
  INDICATED THUNDERSTORMS PRODUCING HEAVY RAINFALL MOVING OVER THE   
  WARNED AREA. RUNOFF FROM THIS EXCESSIVE RUNOFF AND ADDITIONAL      
  RAINFALL WILL LIKELY LEAD TO FLASH FLOODING OVER THE WARNED AREA.

* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE       
  AFFECTING MADISON...HOLLIDAY...GRANVILLE...SHELBINA...WARREN...    
  PARIS...PHILADELPHIA...PALMYRA...MONROE CITY...MAUD...HANNIBAL...  
  GRANVILLE...EMDEN AND CLARENCE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODING. 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 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 3994 9144 3987 9145 3970 9134 3969 9137
      3969 9172 3943 9172 3934 9185 3935 9231
      3995 9229
TIME...MOT...LOC 0553Z 180DEG 0KT 3950 9215

$$

CVKING
1 follow-up statement
000 
WGUS73 KLSX 130731
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CDT FRI JUN 13 2008

MOC127-137-205-131200-
/O.CON.KLSX.FF.W.0056.000000T0000Z-080613T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE MO-MARION MO-SHELBY MO-
228 AM CDT FRI JUN 13 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 AM CDT FOR
SHELBY...MARION AND MONROE COUNTIES...

AT 225 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS PRODUCING HEAVY RAINFALL ACROSS THE WARNED 
AREA. RUNOFF FROM THE 1 TO 3 INCHES OF RAINFALL THAT HAS ALREADY 
OCCURRED EARLY THIS MORNING...AND ADDITIONAL RAINFALL AMOUNTS OF 1 
TO 3 INCHES THAT ARE EXPECTED TO OCCUR BETWEEEN NOW AND 5 AM WILL 
LIKELY LEAD TO FLASH FLOODING OVER THE WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WOODLAWN...
WARREN...SHELBYVILLE...SHELBINA...PHILADELPHIA...PALMYRA...MONROE
CITY...MAUD...HANNIBAL...GRANVILLE...EMDEN AND CLARENCE.

SMALL CREEKS AND RIVERS WILL QUICKLY RISE OVERNIGHT...FLOODING LOW 
LYING AREAS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. 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 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 3994 9144 3987 9145 3970 9134 3969 9137
      3969 9172 3943 9172 3934 9185 3935 9231
      3995 9229
TIME...MOT...LOC 0728Z 180DEG 0KT 3950 9215

$$

CVKING

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 1:18 AM CDTFlash Flood WarningLSXAudrain, Boone6 hr
Jun 13, 4:00 AM CDTFlash Flood WarningLSXMoniteau6 hr
Jun 13, 5:58 AM CDTFlash Flood WarningLSXBoone, Callaway, Cole, Osage5 hr
Jun 13, 7:01 AM CDTFlash Flood WarningLSXMonroe4 hr
Jun 13, 10:59 AM CDTAreal Flood WarningLSXMonroe5 hr
Jun 13, 11:09 AM CDTSevere Thunderstorm WarningLSXSainte Genevieve51 min
Jun 13, 5:17 PM CDTSevere Thunderstorm WarningLSXMadison43 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; radar from the NEXRAD Level II archive.