Alert archive / Missouri / Flash Flood Warnings in 2005
Flash Flood Warning 3, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Apr 12, 2005, 6:36 PM CDT for Saint Clair County, Illinois; Saint Louis County, City of Saint Louis, Missouri. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 12, 2005, 6:36 PM CDT (23:36 UTC)
- Expired
- Apr 12, 2005, 11:30 PM CDT
- In force
- 5 hr
- Issued by
- NWS St. Louis, MO
- Area
- Counties, with a storm outline in the text
Counties Saint Clair County, IL, City of Saint Louis, MO, Saint Louis County, MO
The radar
The St Louis radar (KLSX), 40 km from the middle of the area, began a volume at 23:37 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.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.6 hours before the alert went out and 233 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.
- Mixed-layer CAPE
- 15 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 589 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- -102 m²/s²
- 0-3 km storm-relative helicity
- -222 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS53 KLSX 122338
FFWLSX
ILC163-MOC189-510-130430-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
636 PM CDT TUE APR 12 2005
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
ST. CLAIR COUNTY IN SOUTHWEST ILLINOIS
* UNTIL 1130 PM CDT
* AT 633 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM A CLUSTER OF THUNDERSTORMS LOCATED OVER THE
WARNED AREA.
* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE
AFFECTING...WARSON WOODS...UNIVERSITY CITY...TOWN AND
COUNTRY...ST. LOUIS...ST. JOHN...ST. ANN...RICHMOND HEIGHTS...
OVERLAND...OLIVETTE...MARYLAND HEIGHTS...MAPLEWOOD...LADUE...
HILLSDALE...UPLANDS PARK...GREENDALE...FRONTENAC...CREVE COEUR...
CLAYTON...CLARKSON VALLEY...CHESTERFIELD...BRENTWOOD...BEVERLY
HILLS AND EAST ST. LOUIS.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO LOCALLY 3 INCHES ARE POSSIBLE IN
THE WARNED AREA OVER THE NEXT TWO HOURS.
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.
LAT...LON 3867 9069 3850 9070 3850 9041 3824 8981
3824 8972 3843 8972 3881 9055
$$
CVKING4 follow-up statements
000
WGUS73 KLSX 130033
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
725 PM CDT TUE APR 12 2005
ILC163-MOC189-510-130430-
ST. CLAIR IL-ST. LOUIS CITY MO-ST. LOUIS MO-
725 PM CDT TUE APR 12 2005
...A FLASH FLOOD WARNING CONTINUES UNTIL 1130 PM CDT FOR ST. LOUIS...
ST. LOUIS CITY AND ST. CLAIR COUNTIES...
AT 721 PM CDT...DOPPLER RADAR CONTINUED TO SHOW HEAVY RAINFALL
OCCURRING FROM A CLUSTER OF THUNDERSTORMS THAT CONTINUE TO FORM AND
TRACK ACROSS THE SAME LOCATIONS.
IN ST. CLAIR COUNTY NEAR FLORAVILLE...CREEKS ARE OUT OF THEIR BANKS.
IN ST. LOUIS COUNTY...AT THE INTERSECTION OF MANCHESTER AND
LINDBERGH...3 TO 5 INCHES OF WATER WAS REPORTEDLY FLOWING OVER THE
ROAD. ALSO AT THE INTERSECTION OF WATSON AND ROTT...4 INCHES OF
WATER IS COVERING THE ROAD.
THUNDERSTORMS WITH HEAVY RAINFALL WILL CONTINUE THIS EVENING WITH AN
ADDITIONAL 1 TO LOCALLY 3 INCHES OF RAINFALL.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WOODSON
TERRACE...WILDWOOD...WEBSTER GROVES...WARSON WOODS...VALLEY PARK...
UNIVERSITY CITY...TOWN AND COUNTRY...SUNSET HILLS...ST. LOUIS...ST.
JOHN...ST. ANN...SHREWSBURY...RICHMOND HEIGHTS...OVERLAND...
OLIVETTE...OAKLAND...MEHLVILLE...MARYLAND HEIGHTS...MAPLEWOOD...
MANCHESTER...LEMAY...LAKESHIRE...LADUE...KIRKWOOD...HILLSDALE...
UPLANDS PARK...GREENDALE...GLENDALE...FRONTENAC...FENTON...
ELLISVILLE...DES PERES...CREVE COEUR...CRESTWOOD...CLAYTON...CLARKSON
VALLEY...CHESTERFIELD...BRENTWOOD...BEVERLY HILLS...BALLWIN...
AFFTON...SWANSEA...EAST ST. LOUIS...EAST CARONDELET...DUPO...
CENTREVILLE...CAHOKIA AND BELLEVILLE.
LAT...LON 3867 9069 3850 9070 3850 9041 3824 8981
3824 8972 3843 8972 3881 9055
$$
CVKING000
WGUS73 KLSX 130058
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
756 PM CDT TUE APR 12 2005
ILC163-MOC189-510-130430-
ST. CLAIR IL-ST. LOUIS CITY MO-ST. LOUIS MO-
756 PM CDT TUE APR 12 2005
...A FLASH FLOOD WARNING CONTINUES UNTIL 1130 PM CDT FOR ST. LOUIS...
ST. LOUIS CITY AND ST. CLAIR COUNTIES...
AT 755 PM CDT...DOPPLER RADAR CONTINUED TO SHOW AN AREA OF
THUNDERSTORMS PRODUCING FLASH FLOODING OVER THE WARNED AREA.
CREVE COUER CREEK NEAR CHESTERFIELD HAS RAPIDLY RISEN OVER THE PAST
HOUR AND IS NOW 5 FEET ABOVE THE FLOOD STAGE AND RISING FURTHER.
PERSONS IN THE WARNED AREA ARE ASKED TO HEAD FOR HIGHER GROUND IF
FLOOD WATERS THREATEN...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED
ROADWAYS.
IN ADDITION...SOME INTERSECTIONS IN ST. LOUIS COUNTY ARE
FLOODED...INCLUDING ROUTE 141 AND DUTCH MILL DRIVE.
SOME CREEKS AND SMALL STREAMS ARE EITHER APPROACHING BANKFULL OR ARE
FLOODING IN ST. CLAIR COUNTY.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WOODSON
TERRACE...WILDWOOD...WEBSTER GROVES...WARSON WOODS...VALLEY PARK...
UNIVERSITY CITY...TOWN AND COUNTRY...SUNSET HILLS...ST. LOUIS...ST.
JOHN...ST. ANN...SHREWSBURY...RICHMOND HEIGHTS...OVERLAND...
OLIVETTE...OAKLAND...MEHLVILLE...MARYLAND HEIGHTS...MAPLEWOOD...
MANCHESTER...LEMAY...LAKESHIRE...LADUE...KIRKWOOD...HILLSDALE...
UPLANDS PARK...GREENDALE...GLENDALE...FRONTENAC...FENTON...
ELLISVILLE...DES PERES...CREVE COEUR...CRESTWOOD...CLAYTON...CLARKSON
VALLEY...CHESTERFIELD...BRENTWOOD...BEVERLY HILLS...BALLWIN...
AFFTON...SWANSEA...EAST ST. LOUIS...EAST CARONDELET...DUPO...
CENTREVILLE...CAHOKIA AND BELLEVILLE.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN THE
WARNED AREA.
LAT...LON 3867 9069 3850 9070 3850 9041 3824 8981
3824 8972 3843 8972 3881 9055
$$
CVKING000
WGUS73 KLSX 130218
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
918 PM CDT TUE APR 12 2005
ILC163-MOC189-510-130430-
ST. CLAIR IL-ST. LOUIS CITY MO-ST. LOUIS MO-
918 PM CDT TUE APR 12 2005
...A FLASH FLOOD WARNING CONTINUES UNTIL 1130 PM CDT FOR ST. LOUIS...
SOUTHERN ST. LOUIS CITY AND ST. CLAIR COUNTIES...
AT 909 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED A
THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED AREA.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WARSON WOODS
...UNIVERSITY CITY...TOWN AND COUNTRY...ST. LOUIS...ST. JOHN...
ST. ANN...RICHMOND HEIGHTS...OVERLAND...OLIVETTE...MARYLAND
HEIGHTS...MAPLEWOOD...LADUE...HILLSDALE...UPLANDS PARK...GREENDALE...
FRONTENAC...CREVE COEUR...CLAYTON...CLARKSON VALLEY...CHESTERFIELD...
BRENTWOOD...BEVERLY HILLS AND EAST ST. LOUIS.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL HAS CAUSED FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. IN
PARTICULAR HIGHWAY 141 AND LADUE ROAD ONE HALF MILE OF HIGHWAY 40
WAS UNDER 2 AND HALF FEET OF WATER. THIS ROAD HAS BEEN CLOSED UNTIL
THE WATER RECEDES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
LAT...LON 3867 9069 3850 9070 3850 9041 3824 8981
3824 8972 3843 8972 3881 9055
$$
DUMMER000
WGUS73 KLSX 130425
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1125 PM CDT TUE APR 12 2005
ILC163-MOC189-510-130445-
ST. CLAIR IL-ST. LOUIS CITY MO-ST. LOUIS MO-
1125 PM CDT TUE APR 12 2005
...THE FLASH FLOOD WARNING FOR ST. LOUIS...ST. LOUIS CITY AND ST.
CLAIR COUNTIES HAS BEEN ALLOWED TO EXPIRE...
HEAVY RAINFALL HAS ENDED ACROSS THE ST. LOUIS METROPOLITAN AREA AND
ST. CLAIR COUNTY IN ILLINOIS. SCATTERED SHOWERS WILL PERSIST
THROUGHOUT THE OVERNIGHT HOURS WITH UP TO AN ADDITIONAL TENTH OF AN
INCH OF RAINFALL EXPECTED.
AREA STREAMS...CREEKS...AND RIVERS CONTINUE TO RESPOND TO THE HEAVY
RAINFALL THAT OCCCURRED THIS EVENING. ALTHOUGH AT 1115 PM...THE ONLY
ROAD CLOSURE THAT REMAINED WAS IN ST. LOUIS COUNTY AT HIGHWAY 141
AND LADUE ROAD WHERE WATER WAS STILL COVERING THE ROADWAY.
FLOOD WATERS ARE EXPECTED TO SLOWLY RECEED OVERNIGHT...WITH LOCAL
CREEKS...STREAMS...AND RIVERS RETURNING WITHIN BANK.
REMEMBER IF YOU COME ACROSS A FLOODED ROADWAY...TURN AROUND...DONT
DROWN. DO NOT DRIVE ACROSS A FLOODED ROADWAY
LAT...LON 3867 9069 3850 9070 3850 9041 3824 8981
3824 8972 3843 8972 3881 9055
$$
CVKINGThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 11:13 AM CDT | Severe Thunderstorm Warning | LSX | Clinton, Washington | 47 min |
| Apr 12, 1:40 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 38 min |
| Apr 12, 1:50 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 27 min |
| Apr 12, 5:08 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 37 min |
| Apr 12, 5:25 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 35 min |
| Apr 12, 6:25 PM CDT | Severe Thunderstorm Warning | LSX | Saint Clair | 35 min |
| Apr 12, 5:29 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis | 46 min |
| Apr 12, 6:15 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis | 50 min |
Nearby
Flash Flood Warnings in Missouri, 2005Flash Flood Warnings in Illinois, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.