Alert archive / Missouri / Flash Flood Warnings in 2016
Flash Flood Warning 40, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Aug 15, 2016, 4:04 AM CDT for Saint Louis County, City of Saint Louis, Missouri; Madison County, Saint Clair County, Illinois. It was in force for 6 hr. 14 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 15, 2016, 4:04 AM CDT (09:04 UTC)
- Expired
- Aug 15, 2016, 10:00 AM CDT
- In force
- 6 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 Louis County, MO
The radar
The St Louis radar (KLSX), 47 km from the middle of the area, began a volume at 09:04 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 15, 4:30 AM CDT | HEAVY RAIN 2.39 | Ferguson, MO | SINCE MIDNIGHT. ALSO...HAD 0.37 INCHES FOR A 24 HOUR TOTAL ON SUNDAY. |
| Aug 15, 6:00 AM CDT | HEAVY RAIN 3.8 | St. Louis, MO | I-64 AND TAMM AVE. |
| Aug 15, 6:34 AM CDT | HEAVY RAIN 4.57 | Pontoon Beach, IL | REPORT RECEIVED VIA FACEBOOK |
| Aug 15, 8:00 AM CDT | FLOOD | Maplewood, MO | HANLEY ROAD FLOODED NORTH OF MANCHESTER AND MANCHESTER CLOSED WEST OF HANLEY. |
| Aug 15, 8:00 AM CDT | FLOOD | Maplewood, MO | HANLEY ROAD FLOODED NORTH OF MANCHESTER AND MANCHESTER CLOSED WEST OF HANLEY. WATER IS RECEEDING. |
| Aug 15, 8:00 AM CDT | FLOOD | Maplewood, MO | HANLEY ROAD FLOODED NORTH OF MANCHESTER. WATER IS RECEEDING. |
| Aug 15, 8:00 AM CDT | FLOOD | St. Louis, MO | RAILYARD FLOODED SOUTH OF DOWNTOWN NEAR TUCKER BOULEVARD. |
| Aug 15, 8:17 AM CDT | FLASH FLOOD | Brentwood, MO | MULTIPLE WATER RESCUES IN THE CITY OF BRENTWOOD. |
| Aug 15, 8:18 AM CDT | HEAVY RAIN 5.09 | Jennings, MO | OBSERVED SINCE MIDNIGHT |
| Aug 15, 8:28 AM CDT | HEAVY RAIN 3.6 | St. Ann, MO | 6 HOUR RAIN TOTAL |
| Aug 15, 8:30 AM CDT | FLOOD | Brentwood, MO | MANCHESTER ROAD EAST OF BRENTWOOD BOULEVARD FLOODED. |
| Aug 15, 8:30 AM CDT | FLOOD | Brentwood, MO | MANCHESTER ROAD EAST OF BRENTWOOD BOULEVARD FLOODED. WATER IS RECEEDING. |
| Aug 15, 8:50 AM CDT | FLOOD | Granite City, IL | STREET FLOODING ON WILSON PARK DRIVE |
| Aug 15, 9:00 AM CDT | HEAVY RAIN 4.25 | Ferguson, MO | UPDATED TOTAL SO FAR FROM MIDNIGHT |
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, 9.1 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1143 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
535
WGUS53 KLSX 150904
FFWLSX
ILC119-163-MOC189-510-151500-
/O.NEW.KLSX.FF.W.0040.160815T0904Z-160815T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
404 AM CDT MON AUG 15 2016
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN ST. CLAIR COUNTY IN SOUTHWESTERN ILLINOIS...
SOUTHWESTERN MADISON COUNTY IN SOUTHWESTERN ILLINOIS...
NORTHEASTERN ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI...
ST. LOUIS CITY IN EAST CENTRAL MISSOURI...
* UNTIL 1000 AM CDT
* AT 403 AM CDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE
WARNED AREA. BETWEEN ONE AND THREE INHCES HAS FALLEN IN THE PAST
HOUR. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ST. LOUIS...FLORISSANT...BELLEVILLE...UNIVERSITY CITY...
GRANITE CITY...KIRKWOOD...EAST ST. LOUIS...HAZELWOOD...
COLLINSVILLE...EDWARDSVILLE...WEBSTER GROVES...FERGUSON...
CREVE COEUR...FAIRVIEW HEIGHTS...OVERLAND...CLAYTON...CAHOKIA...
JENNINGS...SWANSEA AND ST. ANN.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 64 IN ILLINOIS NEAR EXIT 9.
THIS ALSO INCLUDES SCOTT JOPLIN HISTORIC SITE AND HORSESHOE LAKE
STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
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 3850 8999 3855 9041 3882 9041 3882 9013
3881 9012 3882 9011 3882 9000
$$
BYRD2 follow-up statements
921
WGUS73 KLSX 151346
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
846 AM CDT MON AUG 15 2016
ILC119-163-MOC189-510-151500-
/O.CON.KLSX.FF.W.0040.000000T0000Z-160815T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. CLAIR IL-MADISON IL-ST. LOUIS MO-ST. LOUIS CITY MO-
846 AM CDT MON AUG 15 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 AM CDT FOR
NORTHWESTERN ST. CLAIR AND SOUTHWESTERN MADISON COUNTIES IN
SOUTHWESTERN ILLINOIS...NORTHEASTERN ST. LOUIS IN EAST CENTRAL
MISSOURI AND ST. LOUIS CITY...
AT 844 AM CDT...THE PUBLIC REPORTED FLOODING ACROSS THE WARNED AREA.
WATER WAS REPORTED OVER ROADWAYS IN PORTIONS OF BRENTWOOD AND
GRANITE CITY. A SINKHOLE WAS ALSO REPORTED TO HAVE FORMED IN THE
BRENTWOOD AREA. UP TO THREE INCHES OF RAIN HAVE ALREADY FALLEN IN
THIS AREA AND FLASH FLOODING IS ONGOING.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ST. LOUIS...FLORISSANT...BELLEVILLE...UNIVERSITY CITY...
GRANITE CITY...KIRKWOOD...EAST ST. LOUIS...HAZELWOOD...
COLLINSVILLE...EDWARDSVILLE...WEBSTER GROVES...FERGUSON...
CREVE COEUR...FAIRVIEW HEIGHTS...OVERLAND...CLAYTON...CAHOKIA...
JENNINGS...SWANSEA AND ST. ANN.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 64 IN ILLINOIS NEAR EXIT 9.
INTERSTATE 44 IN MISSOURI NEAR EXIT 277.
THIS ALSO INCLUDES SCOTT JOPLIN HISTORIC SITE AND HORSESHOE LAKE
STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
&&
LAT...LON 3850 8999 3855 9041 3882 9041 3882 9013
3881 9012 3882 9011 3882 9000
$$
KD139
WGUS73 KLSX 151500
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1000 AM CDT MON AUG 15 2016
ILC119-163-MOC189-510-151508-
/O.EXP.KLSX.FF.W.0040.000000T0000Z-160815T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. CLAIR IL-MADISON IL-ST. LOUIS MO-ST. LOUIS CITY MO-
1000 AM CDT MON AUG 15 2016
...THE FLASH FLOOD WARNING FOR NORTHWESTERN ST. CLAIR AND
SOUTHWESTERN MADISON COUNTIES IN SOUTHWESTERN ILLINOIS...NORTHEASTERN
ST. LOUIS IN EAST CENTRAL MISSOURI AND ST. LOUIS CITY WILL EXPIRE AT
1000 AM CDT...
THE HEAVY RAIN HAS ENDED. HOWEVER...MANY AREA CREEKS AND STREAMS ARE
STILL OUT OF THEIR BANKS...THUS LOCALIZED MINOR FLOODING IS EXPECTED
TO CONTINUE FOR THE NEXT FEW HOURS. FOR THIS REASON...AN AREAL FLOOD
WARNING HAS BEEN ISSUED TO REPLACE THE FLASH FLOOD WARNING.
LAT...LON 3850 8999 3855 9041 3882 9041 3882 9013
3881 9012 3882 9011 3882 9000
$$
KDThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 8:01 PM CDT | River Flood Warning | LSX | Saint Charles | 53 hr |
| Aug 14, 8:10 PM CDT | River Flood Warning | LSX | Reynolds | 4 days |
| Aug 14, 9:37 PM CDT | River Flood Warning | LSX | Crawford | 3 days |
| Aug 14, 9:37 PM CDT | River Flood Warning | LSX | Crawford, Washington | 4 days |
| Aug 14, 9:37 PM CDT | River Flood Warning | LSX | Franklin, Jefferson | 6 days |
| Aug 14, 9:37 PM CDT | River Flood Warning | LSX | Jefferson, Saint Louis | 6 days |
| Aug 14, 9:37 PM CDT | River Flood Warning | LSX | Jefferson, Saint Louis | 6 days |
| Aug 14, 9:37 PM CDT | River Flood Warning | LSX | Jefferson, Saint Louis | 6 days |
| Aug 14, 9:41 PM CDT | River Flood Warning | LSX | Jefferson | 4 days |
| Aug 14, 9:45 PM CDT | River Flood Warning | LSX | Franklin | 5 days |
| Aug 15, 2:34 AM CDT | Flash Flood Warning | LSX | Sainte Genevieve, Saint Francois | 6 hr |
| Aug 15, 4:54 AM CDT | Flash Flood Warning | LSX | Iron, Reynolds, Washington | 6 hr |
| Aug 15, 5:03 AM CDT | Flash Flood Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois, Saint Louis, Washington | 6 hr |
| Aug 15, 8:34 AM CDT | Areal Flood Warning | LSX | Sainte Genevieve, Saint Francois | 6 hr |
| Aug 15, 9:25 AM CDT | Areal Flood Warning | LSX | Sainte Genevieve | 3 hr |
| Aug 15, 9:58 AM CDT | Areal Flood Warning | LSX | Saint Louis, City of Saint Louis | 3 hr |
| Aug 15, 10:14 AM CDT | Areal Flood Warning | LSX | Madison | 3 hr |
| Aug 15, 10:43 AM CDT | Areal Flood Warning | LSX | Iron, Reynolds, Washington | 3 hr |
| Aug 15, 11:01 AM CDT | Areal Flood Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois, Saint Louis, Washington | 3 hr |
| Aug 15, 1:50 PM CDT | Areal Flood Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois, Saint Louis, Washington | 3 hr |
| Aug 15, 2:29 PM CDT | Areal Flood Warning | LSX | Sainte Genevieve, Saint Francois | 3 hr |
| Aug 15, 5:50 AM CDT | Flash Flood Warning | LSX | Madison, Saint Clair | 5 hr |
| Aug 15, 6:59 AM CDT | Flash Flood Warning | LSX | Bond, Montgomery | 5 hr |
| Aug 15, 10:48 AM CDT | Areal Flood Warning | LSX | Madison, Saint Clair | 3 hr |
Nearby
Flash Flood Warnings in Missouri, 2016Flash Flood Warnings in Illinois, 2016Every flash flood warning in 2016
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.