Alert archive / Missouri / Flash Flood Warnings in 2005

Flash Flood Warning 10, NWS St. Louis, MO

June 9, 2005Jefferson County, Saint Louis County, City of Saint Louis, Missouri

NWS St. Louis, MO issued this flash flood warning at Jun 9, 2005, 6:29 PM CDT for Jefferson County, Saint Louis County, City of Saint Louis, Missouri. It was in force for 4 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 9, 2005, 6:29 PM CDT (23:29 UTC)
Expired
Jun 9, 2005, 10:30 PM CDT
In force
4 hr
Issued by
NWS St. Louis, MO
Area
Counties, with a storm outline in the text

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

The radar

The St Louis radar (KLSX), 25 km from the middle of the area, began a volume at 23:30 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 9, 7:10 PM CDTFLASH FLOODHigh Ridge, MO6 TO 8 INCHES OF WATER ON ROADS IN HIGH RIDGE
Jun 9, 7:25 PM CDTFLASH FLOODHigh Ridge, MO3 TO 5 INCH DEEP WATER ON THE PARKING LOT AT THE SHERIFF OFFICE IN HIGH RIDGE
Jun 9, 7:30 PM CDTFLASH FLOODHigh Ridge, MOWHITE ASH ROAD AND STATE ROUTE PP AT ANTIRE ROAD ARE CLOSED DUE TO HIGH WATER.

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, 11.5 hours before the alert went out and 229 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 2005-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 140 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 2005-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -25 square meters per square second.1939Sfc1 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
140 J/kg
Mixed-layer CIN
-263 J/kg
Mixed-layer LCL
1311 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-25 m²/s²
0-3 km storm-relative helicity
-18 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.

000 
WGUS53 KLSX 092332
FFWLSX
MOC099-189-510-100330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
629 PM CDT THU JUN 9 2005

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

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

* UNTIL 1030 PM CDT

* AT 625 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A LINE OF THUNDERSTORMS EXTENDING FROM NEAR SPANISH LAKE THROUGH
  UNIVERSITY CITY TO BYRNES MILL.  THE LINE OF STORMS WAS PRODUCING 
  VERY HEAVY RAINFALL AND MOVING NORTHEAST AT 15 MPH.  RADAR 
  ESTIMATES ALREADY INDICATED UP TO 2 INCHES OF RAIN HAS FALLEN OVER
  PORTIONS OF EASTERN ST LOUIS COUNTY.

* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE
  AFFECTING BEL-RIDGE...WEBSTER GROVES...WARSON WOODS...UNIVERSITY
  CITY...SUNSET HILLS...ST. LOUIS...SPANISH LAKE...SHREWSBURY...
  RIVERVIEW...RICHMOND HEIGHTS...OAKVILLE...OAKLAND...NORTHWOODS...
  NORMANDY...MURPHY...MEHLVILLE...MAPLEWOOD...LEMAY...LAKESHIRE...
  KIRKWOOD...JENNINGS...HILLSDALE...UPLANDS PARK...GREENDALE...
  GLENDALE...FENTON...DELLWOOD...CRESTWOOD...COOL VALLEY...CLAYTON...
  BRENTWOOD...BEVERLY HILLS...BELLEFONTAINE NEIGHBORS...ARNOLD...
  AFFTON...LADUE AND FERGUSON.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

LAT...LON 3883 9041 3835 9075 3836 9035 3881 9013

$$

GLASS
4 follow-up statements
000 
WGUS73 KLSX 100038
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
732 PM CDT THU JUN 9 2005

MOC099-189-510-100330-
JEFFERSON MO-ST. LOUIS CITY MO-ST. LOUIS MO-
732 PM CDT THU JUN 9 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 1030 PM CDT FOR ST. LOUIS...
ST. LOUIS CITY AND NORTHERN JEFFERSON COUNTIES...

AT 731 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE THUNDERSTORMS PRODUCING VERY HEAVY RAIN FROM SCOTSDALE TO 
FENTON.  THE STORMS WERE MOVING SLOWLY TO THE NORTHEAST AT 10 
MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
MEHLVILLE...EUREKA...VALLEY PARK...UNIVERSITY CITY...SUNSET 
HILLS...ST. LOUIS...SHREWSBURY...RIVERVIEW...RICHMOND HEIGHTS...
FENTON...KIRKWOOD...MURPHY...HIGH RIDGE...AND PARKDALE.

THERE HAVE BEEN A NUMBER OF REPORTS OF WATER 6 TO 8 INCHES DEEP ON 
ROADWAYS IN EASTERN PORTIONS OF ST LOUIS COUNTY AND NORTHERN 
JEFFERSON COUNTY.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE OVER 
PORTIONS OF NORTHERN JEFFERSON COUNTY AND SOUTHERN ST LOUIS 
COUNTY.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

LAT...LON 3883 9041 3835 9075 3836 9035 3881 9013

$$

GLASS
000 
WGUS73 KLSX 100116
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
813 PM CDT THU JUN 9 2005

MOC510-100123-
ST. LOUIS CITY MO-
813 PM CDT THU JUN 9 2005

...THE FLASH FLOOD WARNING FOR ST. LOUIS CITY IS CANCELLED...

LAT...LON 3871 9046 3835 9075 3836 9035 3853 9028

$$

MOC099-189-100330-
JEFFERSON MO-ST. LOUIS MO-
813 PM CDT THU JUN 9 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 1030 PM CDT FOR SOUTHERN 
ST. LOUIS AND NORTHERN JEFFERSON COUNTIES...

AT 810 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING VERY HEAVY RAIN.  THIS STORM WAS 
LOCATED AROUND 5 MILES SOUTHEAST OF MURPHY...MOVING NORTHEAST 
AT 10 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO  
CRESTWOOD...MEHLVILLE...FENTON...AFFTON...MURPHY...AND HIGH RIDGE.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE OVER 
NORTHEAST JEFFERSON COUNTY AND SOUTHERN ST LOUIS COUNTY.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

LAT...LON 3871 9046 3835 9075 3836 9035 3853 9028

$$

GLASS
000 
WGUS73 KLSX 100220
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
909 PM CDT THU JUN 9 2005

MOC189-100219-
ST. LOUIS MO-
909 PM CDT THU JUN 9 2005

...THE FLASH FLOOD WARNING FOR ST. LOUIS COUNTY IS CANCELLED...

LAT...LON 3849 9062 3835 9075 3836 9035 3846 9034

$$

MOC099-100330-
JEFFERSON MO-
915 PM CDT THU JUN 9 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 1030 PM CDT FOR NORTHERN
JEFFERSON COUNTY...

LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT A SEVERAL ROADS IN 
HIGH RIDGE WERE CLOSED DUE TO FLOODING.  SOME OF THE LOCATIONS 
INCLUDE THE INTERSECTION OF ROUTE PP AND ANTIRE ROAD...AND WHITE ASH 
ROAD.  

DOPPLER RADAR INDICATED THE THE HEAVIEST RAINFALL OCCURRED FROM 
BYRNES MILL TO MURPHY WITH ESTIMATES OF 3 TO 6 INCHES ALONG AND JUST 
WEST OF HIGHWAY 30.  A STORM SPOTTER REPORTED THAT THE SERIES OF 
THUNDERSTORMS PRODUCED JUST UNDER 6 INCHES OF RAIN IN HIGH RIDGE.  

WHILE THE RAIN HAS ENDED IN THE WARNED AREA AND WATER SHOULD NOW 
BEGIN TO RECEDE...MOTORISTS AND RESIDENTS OF NORTHERN JEFFERSON 
COUNTY SHOULD USE EXTREME CAUTION. STAY AWAY FROM FLOOD PRONE CREEKS 
AND STREAMS AND LOW LYING AREAS KNOWN FOR FLOODING.

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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

LAT...LON 3849 9062 3835 9075 3836 9035 3846 9034

$$

GLASS
000 
WGUS73 KLSX 100329
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1027 PM CDT THU JUN 9 2005

MOC099-100337-
JEFFERSON MO-
1027 PM CDT THU JUN 9 2005

...THE FLASH FLOOD WARNING FOR NORTHERN JEFFERSON COUNTY EXPIRES AT
1030 PM CDT...

THE LATEST REPORTS FROM THE JEFFERSON COUNTY SHERIFF INDICATE FLOOD 
WATERS HAVE RECEDED AND FLOODING WAS NO LONGER OCCURRING.  THUS THE 
FLASH FLOOD WARNING IS BEING ALLOWED TO EXPIRE.

LAT...LON 3849 9062 3835 9075 3836 9035 3846 9034

$$

GLASS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 5:29 PM CDTSevere Thunderstorm WarningLSXSaint Louis46 min
Jun 9, 6:07 PM CDTSevere Thunderstorm WarningLSXSaint Louis, City of Saint Louis53 min
Jun 9, 6:17 PM CDTSevere Thunderstorm WarningLSXJefferson43 min

Nearby

Flash Flood Warnings in Missouri, 2005Every flash flood warning in 2005

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.