Alert archive / Missouri / Flash Flood Warnings in 2015

Flash Flood Warning 1, NWS St. Louis, MO

April 7, 20155 counties in Missouri

NWS St. Louis, MO issued this flash flood warning at Apr 7, 2015, 9:42 AM CDT for 5 counties in Missouri. It was in force for 8 hr. 6 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: Apr 7, 2015, 9:42 AM CDT (14:42 UTC)
Expired: Apr 7, 2015, 6:00 PM CDT
In force: 8 hr
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Flood severity: None

Counties Franklin County, MO, Jefferson County, MO, Saint Charles County, MO, Saint Louis County, MO, Warren County, MO

The radar

The St Louis radar (KLSX), 34 km from the middle of the area, began a volume at 14:42 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

Time	Report	Where	Remark
Apr 7, 10:00 AM CDT	HEAVY RAIN 1.12	2 Nne Eureka, MO	1.12 INCHES OF RAIN IN THE PAST HOUR.
Apr 7, 10:05 AM CDT	HEAVY RAIN 1.2	6 Wsw O'Fallon, MO	1.20 INCHES TOTAL... WITH 0.45 INCHES IN THE PAST 14 MINUTES.
Apr 7, 10:07 AM CDT	HEAVY RAIN 3.25	2 N Augusta, MO	ON HIGHWAY T NORTH OF AUGUSTA. SMALL POND ON PROPERTY FILLED AND OVERFLOWING
Apr 7, 10:09 AM CDT	FLASH FLOOD	Villa Ridge, MO	14 WATER RESCUES PERFORMED AT THE SLEEPY HOLLOW TRAILER PARK NEAR VILLA RIDGE.
Apr 7, 10:48 AM CDT	HEAVY RAIN 1.6	Ballwin, MO	AT THE INTERSECTION OF BAXTER AND CLAYTON ROADS.
Apr 7, 10:49 AM CDT	FLASH FLOOD	Valley Park, MO	WATER UP TO CAR BUMPERS ON HANNA ROAD JUST NORTH OF VANCE ROAD NEAR FISHPOT CREEK. SPOTTER REPORTS APPROX 2 INCHES OF RAIN HAS FALLEN.

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

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 2.7 hours before the alert went out and 261 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 134 J/kg
Mixed-layer CIN: -199 J/kg
Mixed-layer LCL: 443 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 87 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.

317 
WGUS53 KLSX 071442
FFWLSX
MOC071-099-183-189-219-071830-
/O.NEW.KLSX.FF.W.0001.150407T1442Z-150407T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
942 AM CDT TUE APR 7 2015

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN FRANKLIN COUNTY IN EAST CENTRAL MISSOURI...
  NORTHWESTERN JEFFERSON COUNTY IN EAST CENTRAL MISSOURI...
  WESTERN ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI...
  ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI...
  WARREN COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 130 PM CDT

* AT 939 AM CDT...STORM SPOTTERS ARE REPORTING FLOODING AT SEVERAL
  LOCATIONS IN WARREN AND WESTERN ST LOUIS COUNTIES...ESPECIALLY
  IN THE DUTZOW AREA OF SOUTHEAST WARREN COUNTY.  ONE SPOTTER
  REPORTED 2.25 INCHES OF RAIN AT DUTZOW IN ABOUT 30 MINUTES...AND
  THIS HEAVY RAINFALL EXTENDS INTO WESTERN ST CHARLES AND 
  WESTERN ST LOUIS COUNTIES AS WELL.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BALLWIN...BEL-RIDGE...BERKELEY...BRENTWOOD...BRIDGETON...BYRNES
  MILL...CHESTERFIELD...CLARKSON VALLEY...CLAYTON...COOL VALLEY...
  COTTLEVILLE...CRESTWOOD...CREVE COEUR...DARDENNE PRAIRIE...DES
  PERES...ELLISVILLE...EUREKA...FENTON...FERGUSON...FRONTENAC...
  GLENDALE...GRAY SUMMIT...HIGH RIDGE...KINLOCH...KIRKWOOD...LADUE...
  LAKE ST. LOUIS...LAMBERT FIELD...MANCHESTER AND MARYLAND HEIGHTS.

THIS WARNING INCLUDES BABLER MEMORIAL STATE PARK...CASTLEWOOD STATE 
PARK...FIRST MISSOURI STATE CAPITOL HISTORIC SITE AND ROUTE 66 STATE 
PARK.

THIS WARNING ALSO INCLUDES...
INTERSTATE 70 IN MISSOURI FROM EXIT 188 TO EXIT 231.
INTERSTATE 44 FROM EXIT 251 TO EXIT 277.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

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 3885 9130 3885 9126 3892 9126 3890 9111
      3887 9110 3887 9096 3888 9096 3874 9026
      3836 9049 3858 9137 3865 9137

$$

TRUETT

4 follow-up statements

314 
WGUS73 KLSX 071806
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
106 PM CDT TUE APR 7 2015

MOC071-099-183-189-219-071830-
/O.CON.KLSX.FF.W.0001.000000T0000Z-150407T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FRANKLIN MO-JEFFERSON MO-ST. CHARLES MO-ST. LOUIS MO-WARREN MO-
106 PM CDT TUE APR 7 2015

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WARREN...ST. LOUIS...
WESTERN ST. CHARLES...NORTHWESTERN JEFFERSON AND NORTHERN FRANKLIN
COUNTIES UNTIL 130 PM CDT...

AT 1253 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
ADDITIONAL SMALL THUNDERSTORMS WITH HEAVY RAIN MOVING ACROSS 
NORTHERN PORTIONS OF WARREN COUNTY INTO CENTRAL ST. CHARLES COUNTY 
AND WESTERN ST. LOUIS COUNTY.  RADAR-BASED RAINFALL ESTIMATES ARE 
BETWEEN 3 AND 4 INCHES OVER PORTIONS OF WARREN COUNTY...AND 
AUTOMATED RAIN GAGES HAVE REPORTED OVER 2 INCHES NEAR VALLEY PARK.

HEAVY RAIN CONTINUES TO FALL ACROSS THE WARNED AREA. RUNOFF FROM THIS
EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS
THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...BALLWIN...BEL-RIDGE...
BERKELEY...BRENTWOOD...BRIDGETON...BYRNES MILL...CHESTERFIELD...
CLARKSON VALLEY...CLAYTON...COOL VALLEY...COTTLEVILLE...CRESTWOOD...
CREVE COEUR...DARDENNE PRAIRIE...DES PERES...ELLISVILLE...EUREKA...
FENTON...FRONTENAC...GLENDALE...GRAY SUMMIT...HIGH RIDGE...KINLOCH...
KIRKWOOD...LADUE...LAKE ST. LOUIS...LAMBERT FIELD...MANCHESTER...
MARYLAND HEIGHTS AND MURPHY.

WHILE THE BULK OF THE HEAVY RAIN HAS MOVED SOUTH AND EAST OF THE 
WARNED AREA...MANY LOCAL CREEKS ARE FLOODING.  SOME OF THESE CREEKS 
CONTINUE TO RISE.  SOME OF THE CREEKS IN FLOOD IN ST. LOUIS COUNTY 
INCLUDE BONHOMME CREEK...CREVE COEUR CREEK...SUGAR CREEK...SEBAGO 
CREEK...DEER CREEK...AND GRAVOIS CREEK.  PEOPLE NEAR THESE CREEKS 
SHOULD BE ALERT FOR RAPIDLY RISING WATER AND TAKE ANY NECESSARY 
PROTECTIVE ACTIONS.

THIS WARNING INCLUDES BABLER MEMORIAL STATE PARK...CASTLEWOOD STATE
PARK...FIRST MISSOURI STATE CAPITOL HISTORIC SITE AND ROUTE 66 STATE
PARK.

THIS WARNING ALSO INCLUDES...
INTERSTATE 70 IN MISSOURI FROM EXIT 188 TO EXIT 231.
INTERSTATE 44 FROM EXIT 251 TO EXIT 277.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

A FLASH FLOOD WARNING MEANS THAT FLASH 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 3885 9130 3885 9126 3892 9126 3890 9111
      3887 9110 3887 9096 3888 9096 3874 9026
      3836 9049 3858 9137 3865 9137

$$

FUCHS

033 
WGUS53 KLSX 071826
FFWLSX
MOC071-099-183-189-219-072300-
/O.EXT.KLSX.FF.W.0001.000000T0000Z-150407T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
126 PM CDT TUE APR 7 2015

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  NORTHERN FRANKLIN COUNTY IN EAST CENTRAL MISSOURI...
  NORTHWESTERN JEFFERSON COUNTY IN EAST CENTRAL MISSOURI...
  ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI...
  WARREN COUNTY IN EAST CENTRAL MISSOURI...
  WESTERN ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 600 PM CDT

* AT 121 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR MOST OF THE 
  HEAVY RAINFALL HAD ENDED.  A FEW SHOWERS LINGERED OVER ST. CHARLES 
  AND ST. LOUIS COUNTIES.  HOWEVER...NUMEROUS CREEKS IN THE WARNED   
  AREA ARE NEAR OR ABOVE BANKFULL.  PEOPLE NEAR THESE STREAMS MAY    
  EXPERIENCE FLOODING OVER THE NEXT SEVERAL HOURS...AND SHOULD BE    
  ALERT TO RAPIDLY RISING WATER.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...BALLWIN...
  BEL-RIDGE...BERKELEY...BRENTWOOD...BRIDGETON...BYRNES MILL...
  CHESTERFIELD...CLARKSON VALLEY...CLAYTON...COOL VALLEY...
  COTTLEVILLE...CRESTWOOD...CREVE COEUR...DARDENNE PRAIRIE...DES
  PERES...ELLISVILLE...EUREKA...FENTON...FRONTENAC...GLENDALE...GRAY
  SUMMIT...HIGH RIDGE...KINLOCH...KIRKWOOD...LADUE...LAKE ST.
  LOUIS...LAMBERT FIELD...MANCHESTER...MARYLAND HEIGHTS AND MURPHY.

THIS WARNING INCLUDES BABLER MEMORIAL STATE PARK...CASTLEWOOD STATE
PARK...FIRST MISSOURI STATE CAPITOL HISTORIC SITE AND ROUTE 66 STATE
PARK.

THIS WARNING ALSO INCLUDES...
INTERSTATE 70 IN MISSOURI FROM EXIT 188 TO EXIT 231.
INTERSTATE 44 FROM EXIT 251 TO EXIT 277.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

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 3885 9130 3885 9126 3892 9126 3890 9111
      3887 9110 3887 9096 3888 9096 3874 9026
      3836 9049 3858 9137 3865 9137

$$

FUCHS

104 
WGUS73 KLSX 072033
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
333 PM CDT TUE APR 7 2015

MOC071-099-183-189-219-072300-
/O.CON.KLSX.FF.W.0001.000000T0000Z-150407T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FRANKLIN MO-JEFFERSON MO-ST. CHARLES MO-ST. LOUIS MO-WARREN MO-
333 PM CDT TUE APR 7 2015

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WARREN...ST. LOUIS...
WESTERN ST. CHARLES...NORTHWESTERN JEFFERSON AND NORTHERN FRANKLIN
COUNTIES UNTIL 600 PM CDT...

AT 323 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED ALL 
RAIN HAD MOVED OUT OF THE WARNED AREA.  HOWEVER...SEVERAL LOCAL 
CREEKS REMAIN ABOVE FLOOD STAGE AND SEVERAL ROADS REMAIN CLOSED DUE 
TO ONGOING FLOODING.  IN COTTLEVILLE AND ST. PETERS...DARDENNE CREEK 
IS ABOVE FLOOD STAGE AND CONTINUES TO RISE.  IN CHESTERFIELD...BOTH 
BONHOMME AND CAULKS CREEK ARE ABOVE FLOOD STAGE.  MEANWHILE...MODOT 
OFFICIALS REPORT THAT A PORTION OF STATE HIGHWAY 109 IN WILDWOOD AND 
HIGHWAY FF IN NORTHERN JEFFERSON COUNTY REMAIN CLOSED.  ST. LOUIS 
COUNTY OFFICIALS ALSO REPORT THAT AUBUCHON ROAD REMAINS CLOSED.

SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
BALLWIN...BEL-RIDGE...BERKELEY...BRENTWOOD...BRIDGETON...BYRNES
MILL...CHESTERFIELD...CLARKSON VALLEY...CLAYTON...COOL VALLEY...
COTTLEVILLE...CRESTWOOD...CREVE COEUR...DARDENNE PRAIRIE...DES
PERES...ELLISVILLE...EUREKA...FENTON...FRONTENAC...GLENDALE...GRAY
SUMMIT...HIGH RIDGE...KINLOCH...KIRKWOOD...LADUE...LAKE ST. LOUIS...
LAMBERT FIELD...MANCHESTER...MARYLAND HEIGHTS AND MURPHY.

THIS WARNING INCLUDES BABLER MEMORIAL STATE PARK...CASTLEWOOD STATE
PARK...FIRST MISSOURI STATE CAPITOL HISTORIC SITE AND ROUTE 66 STATE
PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

A FLASH FLOOD WARNING MEANS THAT FLASH 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 3885 9130 3885 9126 3892 9126 3890 9111
      3887 9110 3887 9096 3888 9096 3874 9026
      3836 9049 3858 9137 3865 9137

$$

FUCHS

007 
WGUS73 KLSX 072255
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
555 PM CDT TUE APR 7 2015

MOC071-099-183-189-219-072310-
/O.EXP.KLSX.FF.W.0001.000000T0000Z-150407T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FRANKLIN MO-JEFFERSON MO-ST. CHARLES MO-ST. LOUIS MO-WARREN MO-
555 PM CDT TUE APR 7 2015

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR WARREN...ST.
LOUIS...WESTERN ST. CHARLES...NORTHWESTERN JEFFERSON AND NORTHERN
FRANKLIN COUNTIES WILL BE ALLOWED TO EXPIRE AT 600 PM CDT...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 3885 9130 3885 9126 3892 9126 3890 9111
      3887 9110 3887 9096 3888 9096 3874 9026
      3836 9049 3858 9137 3865 9137

$$

CARNEY

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 7, 4:59 AM CDT	Severe Thunderstorm Warning	LSX	Boone	46 min
Apr 7, 5:34 AM CDT	Severe Thunderstorm Warning	LSX	Audrain, Callaway	56 min
Apr 7, 6:23 AM CDT	Severe Thunderstorm Warning	LSX	Callaway, Montgomery	67 min
Apr 7, 7:06 AM CDT	Severe Thunderstorm Warning	LSX	Lincoln, Montgomery, Warren	54 min
Apr 7, 7:56 AM CDT	Severe Thunderstorm Warning	LSX	Franklin, Saint Charles, Saint Louis, Warren	49 min
Apr 7, 8:42 AM CDT	Severe Thunderstorm Warning	LSX	Franklin, Jefferson, Saint Charles, Saint Louis	48 min
Apr 7, 9:18 AM CDT	Severe Thunderstorm Warning	LSX	Franklin, Jefferson	42 min
Apr 7, 9:26 AM CDT	Severe Thunderstorm Warning	LSX	Jefferson, Saint Louis, City of Saint Louis	49 min
Apr 7, 9:58 AM CDT	Severe Thunderstorm Warning	LSX	Franklin, Jefferson	47 min
Apr 7, 10:03 AM CDT	Severe Thunderstorm Warning	LSX	Saint Louis, City of Saint Louis	42 min
Apr 7, 10:43 AM CDT	Areal Flood Advisory	LSX	Saint Louis, City of Saint Louis	4 hr
Apr 7, 10:53 AM CDT	Flash Flood Warning	LSX	Crawford, Franklin, Jefferson, Washington	4 hr
Apr 7, 12:42 PM CDT	River Flood Warning	LSX	Saint Charles	35 hr
Apr 7, 12:47 PM CDT	Flash Flood Warning	LSX	Jefferson, Sainte Genevieve, Saint Francois, Washington	6 hr

Nearby

Flash Flood Warnings in Missouri, 2015 Every flash flood warning in 2015

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.