Flash Flood Warning 18, NWS St. Louis, MO

Issued

Jun 19, 2015, 10:34 AM CDT (15:34 UTC)

Expired

Jun 19, 2015, 4:30 PM CDT

In force

6 hr

Issued by

NWS St. Louis, MO

Area

Storm-based polygon

Flood severity

None

Counties Macoupin County, IL, Madison County, IL, Monroe County, IL, Randolph County, IL, Saint Clair County, IL, City of Saint Louis, MO, Jefferson County, MO, Saint Charles County, MO, Saint Louis County, MO

The St Louis radar (KLSX), 62 km from the middle of the area, began a volume at 15:36 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.

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

743 
WGUS53 KLSX 191534
FFWLSX
ILC117-119-133-157-163-MOC099-183-189-510-192130-
/O.NEW.KLSX.FF.W.0018.150619T1534Z-150619T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1034 AM CDT FRI JUN 19 2015

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI...
  MADISON COUNTY IN SOUTHWEST ILLINOIS...
  MONROE COUNTY IN SOUTHWEST ILLINOIS...
  NORTHEASTERN JEFFERSON COUNTY IN EAST CENTRAL MISSOURI...
  NORTHERN RANDOLPH COUNTY IN SOUTHWEST ILLINOIS...
  SOUTHEASTERN MACOUPIN COUNTY IN SOUTHWEST ILLINOIS...
  ST. CLAIR COUNTY IN SOUTHWEST ILLINOIS...
  ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI...
  ST. LOUIS CITY IN EAST CENTRAL MISSOURI...

* UNTIL 430 PM CDT

* AT 1032 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
VERY HEAVY RAINFALL OF 1 TO 2 INCHES HAS ALREADY FALLEN ON 
SATURATED GROUND...AND ANOTHER 1 TO 2 INCHES OF ADDITIONAL RAIN IS 
EXPECTED.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  AFFTON...ALTON...ANTONIA...ARNOLD...BALLWIN...BARNHART...
  BEL-RIDGE...BELLEFONTAINE NEIGHBORS...BELLEVILLE...BERKELEY...
  BETHALTO...BLACK JACK...BRENTWOOD...BRIDGETON...BYRNES MILL...
  CAHOKIA...CASEYVILLE...CENTREVILLE...CHESTERFIELD...CLARKSON
  VALLEY...CLAYTON...COLLINSVILLE...COLUMBIA...COOL VALLEY...
  CRESTWOOD...CREVE COEUR...DELLWOOD...DES PERES...DUPO AND EAST     
  ST. LOUIS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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 3800 9005 3847 9072 3868 9073 3884 9040
      3907 8970 3822 8970 3822 8969 3814 8969

$$

BROWNING

584 
WGUS73 KLSX 191917
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
217 PM CDT FRI JUN 19 2015

ILC117-119-133-157-163-MOC099-183-189-510-192130-
/O.CON.KLSX.FF.W.0018.000000T0000Z-150619T2130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MACOUPIN IL-MADISON IL-MONROE IL-RANDOLPH IL-ST. CLAIR IL-
JEFFERSON MO-ST. CHARLES MO-ST. LOUIS MO-ST. LOUIS CITY MO-
217 PM CDT FRI JUN 19 2015

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR ST. LOUIS CITY...ST.
LOUIS...EAST CENTRAL ST. CHARLES...NORTHEASTERN JEFFERSON...ST.
CLAIR...NORTHERN RANDOLPH...MONROE...MADISON AND SOUTHEASTERN
MACOUPIN COUNTIES UNTIL 430 PM CDT...

AT 212 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
ANOTHER BAND OF VERY HEAVY RAINFALL MOVING INTO NORTHERN RANDOLPH 
COUNTY...AND THIS BAND WILL CONTINUE MOVING NORTHWARD INTO MONROE 
AND SAINT CLAIR COUNTIES BETWEEN 230 AND 400 PM. PUBLIC REPORTS 
INDICATE RAINFALL OF 1 TO 2 INCHES PER HOUR IS OCCURING IN THIS BAND.

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...AFFTON...ALTON...
ANTONIA...ARNOLD...BALLWIN...BARNHART...BEL-RIDGE...BELLEFONTAINE
NEIGHBORS...BELLEVILLE...BERKELEY...BETHALTO...BLACK JACK...
BRENTWOOD...BRIDGETON...BYRNES MILL...CAHOKIA...CASEYVILLE...
CENTREVILLE...CHESTERFIELD...CLARKSON VALLEY...CLAYTON...
COLLINSVILLE...COLUMBIA...COOL VALLEY...CRESTWOOD...CREVE COEUR...
DELLWOOD...DES PERES...DUPO AND EAST ST. LOUIS.

EXTREMELY HEAVY RAINS EARLIER TODAY HAVE LEFT NUMEROUS ROADS 
INUNDATED...AND ADDITIONAL HEAVY RAIN WILL QUICKLY RUN OFF AND COULD 
CREATE LIFE THREATENING CONDITIONS. 

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 3800 9005 3847 9072 3868 9073 3884 9040
      3907 8970 3822 8970 3822 8969 3814 8969

$$

BROWNING

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

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.