Alert archive / Missouri / Flash Flood Warnings in 2015
Flash Flood Warning 78, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Aug 5, 2015, 10:36 PM CDT for Madison County, Saint Clair County, Illinois; Saint Charles County, Saint Louis County, City of Saint Louis, Missouri. It was in force for 8 hr. 2 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
- Aug 5, 2015, 10:36 PM CDT (03:36 UTC)
- Expired
- Aug 6, 2015, 6:30 AM CDT
- In force
- 8 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Madison County, IL, Saint Clair County, IL, City of Saint Louis, MO, Saint Charles County, MO, Saint Louis County, MO
The radar
The St Louis radar (KLSX), 42 km from the middle of the area, began a volume at 03:37 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 6, 12:00 AM CDT | FLASH FLOOD | 1 Sw Bellefontaine Neig, MO | EVENT OCCURRED ON BERWYN DRIVE IN MOLINE ACRES...A COUPLE VEHICLES WERE MOVED AN UNKNOWN DISTANCE DUE TO WATER FLOWING DOWN THE SIDE OF THE STREET IN A CONSTRUCTION ZONE...GRAVEL WAS WASHED AWAY FROM THE EDGE OF THE ROAD FORMING GULLIES WHICH MADE THE ROAD INA |
| Aug 6, 12:30 AM CDT | HEAVY RAIN 2.5 | St. Louis, MO | BETWEEN 9 PM AND MIDNIGHT AT OAKLAND AND TAMM AVENUE |
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 00:00Z, 3.6 hours before the alert went out and 208 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
- 12 J/kg
- Mixed-layer CIN
- -77 J/kg
- Mixed-layer LCL
- 1335 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
371
WGUS53 KLSX 060336
FFWLSX
ILC119-163-MOC183-189-510-061130-
/O.NEW.KLSX.FF.W.0078.150806T0336Z-150806T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1036 PM CDT WED AUG 5 2015
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN MADISON COUNTY IN SOUTHWESTERN ILLINOIS...
NORTHERN ST. CLAIR COUNTY IN SOUTHWESTERN ILLINOIS...
ST. LOUIS CITY IN EAST CENTRAL MISSOURI...
CENTRAL ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI...
ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI...
* UNTIL 630 AM CDT THURSDAY
* AT 1030 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. THREE TO FOUR INCHES OF RAIN
HAS FALLEN THIS EVENING...WITH ADDITIONAL MODERATE TO HEAVY RAIN
CONTINUING FOR THE NEXT 1 TO 3 HOURS ACROSS THE WARNING AREA.
FLASH FLOODING IS EXPECTED.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ST. LOUIS...ST. CHARLES...ST. PETERS...FLORISSANT...CHESTERFIELD...
BELLEVILLE...WILDWOOD...UNIVERSITY CITY...BALLWIN...GRANITE CITY...
O'FALLON...ALTON...KIRKWOOD...MARYLAND HEIGHTS...EAST ST. LOUIS...
HAZELWOOD...COLLINSVILLE...EDWARDSVILLE...WEBSTER GROVES AND
FERGUSON.
MINOR FLOODING IS ALREADY OCCURRING ON FEE CREEK IN MARYLAND HEIGHTS.
THE STREAM IS EXPECTED TO CREST BETWEEN 16 AND 18 FEET. PEOPLE
ALONG FEE CREEK SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT
PROPERTY WHICH MIGHT BE IMPACTED BY THIS FLOODING.
THE FLASH FLOOD WARNING INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 70 IN ILLINOIS BETWEEN EXITS 21 AND 24.
INTERSTATE 55 IN ILLINOIS NEAR EXIT 23.
INTERSTATE 64 IN ILLINOIS BETWEEN EXITS 9 AND 27.
INTERSTATE 70 IN MISSOURI BETWEEN EXITS 214 AND 231.
THIS WARNING ALSO INCLUDES ...
SCOTT JOPLIN HISTORIC SITE...CONFLUENCE STATE PARK...FIRST MISSOURI
STATE CAPITOL HISTORIC SITE...AND HORSESHOE LAKE STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3865 8969 3865 8971 3852 8971 3853 9026
3866 9080 3891 9077 3891 9064 3887 9058
3887 9054 3890 9051 3887 8960
$$
CARNEY2 follow-up statements
472
WGUS73 KLSX 060855
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
355 AM CDT THU AUG 6 2015
ILC119-163-MOC183-189-510-061130-
/O.CON.KLSX.FF.W.0078.000000T0000Z-150806T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MADISON IL-ST. CLAIR IL-ST. LOUIS CITY MO-ST. CHARLES MO-
ST. LOUIS MO-
355 AM CDT THU AUG 6 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 AM CDT
THURSDAY FOR SOUTHERN MADISON AND NORTHERN ST. CLAIR COUNTIES IN
SOUTHWESTERN ILLINOIS...CENTRAL ST. CHARLES AND ST. LOUIS COUNTIES IN
EAST CENTRAL MISSOURI AND ST. LOUIS CITY...
AT 344 AM CDT...LOCAL LAW ENFORCEMENT REPORTED WATER ON ROSE ROAD
NEAR HIGHLAND IN MADISON COUNTY. WATER WAS ALSO REPORTED ON ELM
POINT INDUSTRIAL DRIVE...HAWNING ROAD AND RIVERVIEW LANE ON THE
NORTH SIDE OF ST. CHARLES.
WHILE RAIN HAD ENDED OR WAS BEGINNING TO END OVER THE WARNING
AREA...IT WILL STILL TAKE SOME TIME FOR THE WATER TO RECEDE ON SOME
OF THE AREA ROADWAYS EARLY THIS MORNING.
THIS WARNING ALSO INCLUDES ...
CONFLUENCE STATE PARK...AND HORSESHOE LAKE STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 3865 8969 3865 8971 3852 8971 3853 9026
3866 9080 3891 9077 3891 9064 3887 9058
3887 9054 3890 9051 3887 8960
$$
BRITT635
WGUS73 KLSX 061124
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
624 AM CDT THU AUG 6 2015
ILC119-163-MOC183-189-510-061133-
/O.EXP.KLSX.FF.W.0078.000000T0000Z-150806T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MADISON IL-ST. CLAIR IL-ST. LOUIS CITY MO-ST. CHARLES MO-
ST. LOUIS MO-
624 AM CDT THU AUG 6 2015
...THE FLASH FLOOD WARNING FOR SOUTHERN MADISON AND NORTHERN ST.
CLAIR COUNTIES IN SOUTHWESTERN ILLINOIS...CENTRAL ST. CHARLES AND ST.
LOUIS COUNTIES IN EAST CENTRAL MISSOURI AND ST. LOUIS CITY WILL
EXPIRE AT 630 AM CDT...
THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE
A THREAT.
LAT...LON 3865 8969 3865 8971 3852 8971 3853 9026
3866 9080 3891 9077 3891 9064 3887 9058
3887 9054 3890 9051 3887 8960
$$
BRITTThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 9:36 PM CDT | Areal Flood Advisory | LSX | Madison, Saint Clair | 6 hr |
| Aug 5, 8:19 PM CDT | Areal Flood Advisory | LSX | Franklin, Saint Charles, Saint Louis, Warren, City of Saint Louis | 6 hr |
Nearby
Flash Flood Warnings in Missouri, 2015Flash Flood Warnings in Illinois, 2015Every 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.