Alert archive / Missouri / Flash Flood Warnings in 2006

Flash Flood Warning 9, NWS St. Louis, MO

June 11, 2006Audrain County, Monroe County, Shelby County, Missouri

NWS St. Louis, MO issued this flash flood warning at Jun 11, 2006, 1:04 AM CDT for Audrain County, Monroe County, Shelby County, Missouri. It was in force for 6 hr. 3 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
Jun 11, 2006, 1:04 AM CDT (06:04 UTC)
Expired
Jun 11, 2006, 7:00 AM CDT
In force
6 hr
Issued by
NWS St. Louis, MO
Area
Counties, with a storm outline in the text

Counties Audrain County, MO, Monroe County, MO, Shelby County, MO

The radar

The St Louis radar (KLSX), 124 km from the middle of the area, began a volume at 06:05 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
Jun 11, 2:10 AM CDTFLASH FLOOD4 Nw Paris, MOHIGHWAY F CLOSED DUE TO FLOODING
Jun 11, 2:10 AM CDTFLASH FLOODGranville, MOSTREETS FLOODED IN TOWN TO UNKNOWN DEPTH.
Jun 11, 2:55 AM CDTFLASH FLOODMexico, MOROADS REPORTED CLOSED IN MEXICO. 3.5 INCHES RAIN SINCE SATURDAY AFTERNOON.

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, 6.1 hours before the alert went out and 272 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 2006-06-11Temperature 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 2006-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
690 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
360 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLSX 110611
FFWLSX
MOC007-137-205-111200-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
104 AM CDT SUN JUN 11 2006

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

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

* UNTIL 700 AM CDT

* AT 100 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
A LARGE CLUSTER OF THUNDERSTORMS ABOUT 40 MILES WIDE FROM PARIS
MISSOURI NORTHWEST THROUGH KIRKSVILLE AND INTO SOUTHWEST IOWA.

DOPPLER RADAR PRECIPITATION ESTIMATES INDICATE ONE TO TWO INCHES
OF RAIN HAS ALREADY OCCURED AND MORE STORMS WILL BE DEVELOPING
AND MOVING EAST THROUGH THE WARNED AREA.

* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE   
AFFECTING SHELBYVILLE...SHELBINA...MONROE CITY...PARIS...AND MEXICO 
MISSOURI ALONG WITH RIVERS AND STREAMS THROUGHOUT THE AREA INCLUDING 
THE NORTH...MIDDLE...AND SOUTH FORKS OF THE FABIUS RIVER AND MARK 
TWAIN LAKE AND ALL THEIR TRIBUTARIES. 

COPIUS RAINS WILL FALL ACROSS THE AREA THROUGH THE WEE HOURS 
OF THE MORNING AND RAINFALL TOTALS COULD EXCEED 3 TO 4 INCHES
IN SOME AREAS WITH EXCESSIVE RUNOFF LIKELY.

RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND 
STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF 
CREEKS AND STREAMS.

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.

LAT...LON 3995 9185 3967 9186 3965 9173 3933 9172
      3931 9149 3919 9143 3918 9144 3915 9151
      3916 9163 3909 9166 3908 9207 3911 9211
      3924 9210 3925 9230 3994 9228

$$

PEDIGO
2 follow-up statements
000 
WGUS73 KLSX 110740
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CDT SUN JUN 11 2006

MOC007-137-205-111200-
AUDRAIN MO-MONROE MO-SHELBY MO-
228 AM CDT SUN JUN 11 2006

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

AT 223 AM CDT...A SOLID AREA OF SHOWERS AND THUNDERSTORMS CURVES
FROM NORTHEAST MISSOURI TO THE NORTHWEST CORNER OF MISSOURI AND 
INTO SOUTHEAST NEBRASKA. THE HEAVIEST RAINFALL BETWEEN NOW AND 
400 AM WILL OCCUR OVER MONROE COUNTY BUT CURRENT INDICATIONS ARE
THAT HEAVY RAIN WILL GRADUALLY EXPAND BACK TO THE NORTH INTO 
SHELBY COUNTY AND RAIN WILL LIKELY CONTINUE PAST SUNRISE.  

DOPPLER RADAR PRECIPITATION ESTIMATES INDICATE 1 TO 2 INCHES 
OF RAIN HAS FALLEN OVER SOUTHERN SHELBY COUNTY WITH LOCAL 
RAINFALL TOTALS OF 2 TO 3 INCHES IN MONROE AND AUDRAIN COUNTIES.

OTHER STORMS WITH INTENSE RAINFALL WERE LOCATED OVER RANDOLPH AND 
WESTERN MACON COUNTIES AND THESE WILL MOVE INTO THE WARNED 
AREA BETWEEN 300 AM AND 400 AM. THE SOIL WILL NOT ABLE TO DRAIN
AWAY THIS RAIN AND SOME OF THE MORE SIGNIFICANT FLOODING WILL
TAKE PLACE BEFORE SUNRISE.  

KEEP AWARE OF YOUR SURROUNDINGS AND IF YOU LIVE OR DRIVE IN 
LOW AREAS YOU MAY BE VULNERABLE TO SERIOUS AND DANGEROUS
FLOODING.  

RAINFALL TOTALS IN SOME AREAS COULD EXCEED 4 TO 6 INCHES BY
SUNRISE HIGHWAY F NORTHWEST OF PARIS IS CLOSED DUE TO HIGH WATER
AND CITY ROADS IN THE COMMUNITY OF GRANVILLE ARE FLOODED.

MANY, MANY MORE ROADS WILL FLOOD BEFORE MORNING.  BE PREPARED

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE 
BANKS OF CREEKS AND STREAMS.

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.

LAT...LON 3995 9185 3967 9186 3965 9173 3933 9172
      3931 9149 3919 9143 3918 9144 3915 9151
      3916 9163 3909 9166 3908 9207 3911 9211
      3924 9210 3925 9230 3994 9228

$$

PEDIGO
000 
WGUS73 KLSX 110947
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
432 AM CDT SUN JUN 11 2006

MOC007-137-205-111200-
AUDRAIN MO-MONROE MO-SHELBY MO-
432 AM CDT SUN JUN 11 2006

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

AT 430 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A BROAD AREA OF SHOWES AND THUNDERSTORMS TRAILING FROM
THE WARNED AREA WEST THROUGH CHILLICOTHE TO ST. JOSEPH. 

THE STORMS ARE DRIFTING TO THE SOUTHEAST AT 40 MPH. NATIONAL WEATHER
SERVICE DOPPLER PRECIPIATION ESTIMATES INDICATE 1 TO 2 INCHES OF
RAIN HAS FALLEN IN SHELBY...2 TO 5 INCHES IN MONROE COUNTY WITH
THE HEAVIEST IN THE NORTHWEST QUARTER OF THE COUNTY NEAR GRANVILLE
AND WOODLAWN.  NO DOUBT THE MIDDLE FORK OF SALT RIVER AND ITS 
TRIBUTARIES HAS RECEIVED EXTREME AMOUNTS OF RUNOFF OVERNIGHT
AND FLASH FLOODING IS LIKELY IN THIS AREA.  FINALLY....2 TO 4 
INCHES OF RAIN HAS FALLEN IN AUDRAIN COUNTY...PARTICULARLY
BETWEEN MEXICO AND CENTRALIA. SERIOUS FLOODING COULD ALSO BE
OCCURING THERE. 

THERE IS A SERIOUS CONTINUED THREAT OF RAIN THROUGH THE EARLY
MORNING HOURS.  A LARGE AREA OF RAINFALL STILL EXTENDS FROM
MACON TO ST. JOSEPH. THIS WILL BE MOVING INTO THE WARNED AREA
THROUGH 700 AM THIS MORNING.  THE GROUND IS TOTALLY SATURATED
AND CANNOT HOLD ANY MORE WATER. FLOODING WILL CONTINUE AND
SERIOUS CONDITIONS WILL PERSIST THIS MORNING.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES IS STILL LIKELY.
SERIOUS FLOODING IS ALSO STILL LIKELY.  USE YOUR HEAD  DO 
NOT WALK OR TRAVEL WHERE YOU CANNOT SEE

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY 
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN ST 
LOUIS.

LAT...LON 3995 9185 3967 9186 3965 9173 3933 9172
      3931 9149 3919 9143 3918 9144 3915 9151
      3916 9163 3909 9166 3908 9207 3911 9211
      3924 9210 3925 9230 3994 9228

$$

PEDIGO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 7:01 PM CDTSevere Thunderstorm WarningLSXSaint Charles59 min
Jun 10, 7:11 PM CDTSevere Thunderstorm WarningLSXGasconade49 min
Jun 10, 7:14 PM CDTSevere Thunderstorm WarningLSXWarren61 min
Jun 10, 7:27 PM CDTSevere Thunderstorm WarningLSXCole, Moniteau93 min
Jun 10, 7:30 PM CDTSevere Thunderstorm WarningLSXCallaway50 min
Jun 10, 7:37 PM CDTSevere Thunderstorm WarningLSXFranklin53 min
Jun 10, 7:43 PM CDTSevere Thunderstorm WarningLSXSaint Louis62 min
Jun 10, 8:50 PM CDTSevere Thunderstorm WarningLSXCallaway, Osage40 min
Jun 10, 9:50 PM CDTSevere Thunderstorm WarningLSXGasconade26 min
Jun 10, 10:29 PM CDTSevere Thunderstorm WarningLSXBoone, Callaway61 min
Jun 10, 11:19 PM CDTSevere Thunderstorm WarningLSXAudrain41 min
Jun 10, 11:43 PM CDTSevere Thunderstorm WarningLSXBoone47 min
Jun 11, 12:05 AM CDTSevere Thunderstorm WarningLSXShelby70 min
Jun 11, 12:11 AM CDTSevere Thunderstorm WarningLSXCallaway49 min
Jun 11, 12:12 AM CDTFlash Flood WarningLSXBoone, Callaway6 hr
Jun 11, 1:17 AM CDTSevere Thunderstorm WarningLSXAudrain, Boone43 min
Jun 11, 1:59 AM CDTSevere Thunderstorm WarningLSXAudrain, Monroe75 min
Jun 11, 3:32 AM CDTFlash Flood WarningLSXMontgomery, Warren5 hr
Jun 11, 3:38 AM CDTSevere Thunderstorm WarningLSXSaint Charles, Warren53 min
Jun 11, 5:46 AM CDTFlash Flood WarningLSXBoone, Callaway3 hr
Jun 11, 7:00 AM CDTFlash Flood WarningLSXAudrain, Monroe3 hr

Nearby

Flash Flood Warnings in Missouri, 2006Every flash flood warning in 2006

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.