Alert archive / Missouri / Flash Flood Warnings in 2013

Flash Flood Warning 28, NWS St. Louis, MO

June 17, 2013Saint Louis County, City of Saint Louis, Missouri

NWS St. Louis, MO issued this flash flood warning at Jun 17, 2013, 2:57 PM CDT for Saint Louis County, City of Saint Louis, Missouri. It was in force for 6 hr. 9 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 17, 2013, 2:57 PM CDT (19:57 UTC)
Expired
Jun 17, 2013, 9:00 PM CDT
In force
6 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

Counties City of Saint Louis, MO, Saint Louis County, MO

The radar

The St Louis radar (KLSX), 31 km from the middle of the area, began a volume at 19:59 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 17, 3:09 PM CDTFLASH FLOODSt. Louis, MOFLOODING REPORTED IN LOW LYING AREAS OF HAMPTON AVENUE IN ST. LOUIS.
Jun 17, 3:14 PM CDTHEAVY RAIN 2St. Louis, MO2 INCHES OF RAIN IN ABOUT 1 HOUR AND DIME SIZE HAIL AT HAMPTON AND CHIPPEWA.
Jun 17, 3:25 PM CDTFLASH FLOODSt. Louis, MOPUBLIC REPORT RELAYED VIA LCOAL MEDIA THROUGH TWITTER AT INTERSECTION OF SOUTH KINGSHIGHWAY AND THOLOZAN OF WATER AROUND 1 FOOT DEEP
Jun 17, 3:34 PM CDTFLASH FLOODCreve Coeur, MOLADUE ROAD AT SPOEDE ROAD WAS CLOSED DUE TO HIGH WATER.
Jun 17, 3:45 PM CDTFLASH FLOODSt. Louis, MORELAYED VIA KSDK...PICTURE OF AT LEAST TWO FEET OF WATER AT THE INTERSECTION OF KINGSHIGHWAY AND CHIPPEWA.
Jun 17, 3:57 PM CDTFLASH FLOODCreve Coeur, MOLADUE AT GRAESER ROAD REPORTED FLOODED.
Jun 17, 4:07 PM CDTFLASH FLOODKirkwood, MOSEVERAL INCHES OF WATER OVER SOUTH FILLMORE AND E CLINTON PLACE.
Jun 17, 4:50 PM CDTFLASH FLOODUniversity City, MOST. LOUIS COUNTY EMA REPORTS THE RIVER DES PERES OUT OF ITS BANKS IN UNIVERSITY CITY. FLOODING REPORTED AT OLICE AND 81ST STREET AND OLIVE AND FAIRVIEW. AN APARTMENT COMPLEX WAS BEING FLOODED.
Jun 17, 8:02 PM CDTHEAVY RAIN 2.8Ladue, MOSTORM TOTAL. MOST OF THE RAIN OCCURRED BETWEEN 245 TO 345 PM.

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, 8.0 hours before the alert went out and 215 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, Lincoln, IL at 12:00Z on 2013-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 411 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, Lincoln, IL at 12:00Z on 2013-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 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
411 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
1373 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
35 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.

998 
WGUS53 KLSX 171957
FFWLSX
MOC189-510-180200-
/O.NEW.KLSX.FF.W.0028.130617T1957Z-130618T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
257 PM CDT MON JUN 17 2013

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI...
  ST. LOUIS CITY IN EAST CENTRAL MISSOURI...

* UNTIL 900 PM CDT

* AT 256 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  AFFTON...BEL-RIDGE...BELLEFONTAINE NEIGHBORS...BERKELEY...BLACK
  JACK...BRENTWOOD...BRIDGETON...CHESTERFIELD...CLARKSON VALLEY...
  CLAYTON...COOL VALLEY...CREVE COEUR...DELLWOOD...DES PERES...
  FERGUSON...FLORISSANT...FRONTENAC...GLENDALE...HAZELWOOD...
  HILLSDALE...JENNINGS...KINLOCH...KIRKWOOD...LADUE...LAMBERT
  FIELD...MANCHESTER...MAPLEWOOD...MARYLAND HEIGHTS...NORMANDY AND   
  NORTHWOODS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

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

&&

LAT...LON 3882 9012 3873 9021 3861 9018 3853 9026
      3864 9073 3869 9065 3868 9055 3881 9046
      3883 9036 3889 9033 3889 9029 3885 9025
      3882 9019

$$

PHILLIPSON
3 follow-up statements
700 
WGUS73 KLSX 172041
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
341 PM CDT MON JUN 17 2013

MOC189-510-180200-
/O.CON.KLSX.FF.W.0028.000000T0000Z-130618T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. LOUIS MO-ST. LOUIS CITY MO-
341 PM CDT MON JUN 17 2013

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR ST. LOUIS CITY AND ST.
LOUIS COUNTIES UNTIL 900 PM CDT...

AT 339 PM CDT...FLASH FLOODING IS OCCURRING ACROSS ST. LOUIS COUNTY 
AND ST. LOUIS CITY. NUMEROUS ROADS ARE FLOODING. TWO TO THREE INCHES 
OF RAINFALL HAS ALREADY OCCURRED IN THE LAST HOUR AND A HALF. 
ANOTHER INCH OF RAINFALL IS POSSIBLE IN THE NEXT HOUR.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...AFFTON...
BEL-RIDGE...BELLEFONTAINE NEIGHBORS...BERKELEY...BLACK JACK...
BRENTWOOD...BRIDGETON...CHESTERFIELD...CLARKSON VALLEY...CLAYTON...
COOL VALLEY...CREVE COEUR...DELLWOOD...DES PERES...FERGUSON...
FLORISSANT...FRONTENAC...GLENDALE...HAZELWOOD...HILLSDALE...
JENNINGS...KINLOCH...KIRKWOOD...LADUE...LAMBERT FIELD...MANCHESTER...
MAPLEWOOD...MARYLAND HEIGHTS...NORMANDY AND NORTHWOODS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL 
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND 
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

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.

&&

LAT...LON 3882 9012 3873 9021 3861 9018 3853 9026
      3864 9073 3869 9065 3868 9055 3881 9046
      3883 9036 3889 9033 3889 9029 3885 9025
      3882 9019

$$

CVKING
661 
WGUS73 KLSX 172220
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
520 PM CDT MON JUN 17 2013

MOC189-510-180200-
/O.CON.KLSX.FF.W.0028.000000T0000Z-130618T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. LOUIS MO-ST. LOUIS CITY MO-
520 PM CDT MON JUN 17 2013

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR ST. LOUIS CITY AND ST.
LOUIS COUNTIES UNTIL 900 PM CDT...

AT 515 PM CDT...WEATHER SPOTTERS REPORTED THUNDERSTORMS WITH VERY 
HEAVY RAINFALL ACROSS THE WARNED AREA. SPOTTERS MEASURED 2.00 INCHES 
OF RAINFALL NEAR HAMPTON AND CHIPPEWA IN ST. LOUIS CITY...AND 
RAINFALL RATES AT TIMES BETWEEN 2 TO 3 INCHES PER HOUR ACROSS THE 
WARNED AREA.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
AFFTON...BEL-RIDGE...BELLEFONTAINE NEIGHBORS...BERKELEY...BLACK
JACK...BRENTWOOD...BRIDGETON...CHESTERFIELD...CLARKSON VALLEY...
CLAYTON...COOL VALLEY...CREVE COEUR...DELLWOOD...DES PERES...
FERGUSON...FLORISSANT...FRONTENAC...GLENDALE...HAZELWOOD...
HILLSDALE...JENNINGS...KINLOCH...KIRKWOOD...LADUE...LAMBERT FIELD...
MANCHESTER...MAPLEWOOD...MARYLAND HEIGHTS...NORMANDY AND NORTHWOODS.

FLOODING WAS REPORTED IN LOW LYING AREAS OF HAMPTON AVENUE...ALONG 
WITH UPWARDS OF 2 FEET OF WATER AT THE INTERSECTION OF KINGSHIGHWAY 
AND CHIPPEWA. EMERGENCY MANAGEMENT ALSO REPORTED MULTIPLE CLOSURES 
ALONG HIGHWAY 141 IN ST. LOUIS COUNTY DUE TO HIGH WATER...ALONG WITH 
NUMEROUS OTHER ROAD CLOSURES ACROSS THE COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE MINOR FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

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.

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN ST LOUIS.

&&

LAT...LON 3882 9012 3873 9021 3861 9018 3853 9026
      3864 9073 3869 9065 3868 9055 3881 9046
      3883 9036 3889 9033 3889 9029 3885 9025
      3882 9019

$$

PHILLIPSON
211 
WGUS73 KLSX 180154
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
854 PM CDT MON JUN 17 2013

MOC189-510-180209-
/O.EXP.KLSX.FF.W.0028.000000T0000Z-130618T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. LOUIS MO-ST. LOUIS CITY MO-
854 PM CDT MON JUN 17 2013

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR ST. LOUIS CITY AND
ST. LOUIS COUNTIES WILL BE ALLOWED TO EXPIRE AT 900 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 3882 9012 3873 9021 3861 9018 3853 9026
      3864 9073 3869 9065 3868 9055 3881 9046
      3883 9036 3889 9033 3889 9029 3885 9025
      3882 9019

$$

GLASS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 7:06 PM CDTSevere Thunderstorm WarningLSXFranklin39 min
Jun 16, 8:19 PM CDTSevere Thunderstorm WarningLSXFranklin, Saint Charles, Warren41 min
Jun 16, 10:10 PM CDTSevere Thunderstorm WarningLSXSaint Charles, Saint Louis50 min
Jun 16, 10:12 PM CDTRiver Flood WarningLSXGasconade, Montgomery5 days
Jun 17, 10:25 AM CDTRiver Flood WarningLSXLewis36 hr
Jun 17, 3:50 PM CDTFlash Flood WarningLSXJefferson, Saint Louis6 hr
Jun 17, 5:23 PM CDTAreal Flood AdvisoryLSXFranklin, Saint Charles, Warren3 hr

Nearby

Flash Flood Warnings in Missouri, 2013Every flash flood warning in 2013

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.