Alert archive / Missouri / Flash Flood Warnings in 2016
Flash Flood Warning 51, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Sep 10, 2016, 4:19 AM CDT for 5 counties in Missouri; Madison County, Monroe County, Saint Clair County, Illinois. It was in force for 6 hr. 8 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
- Sep 10, 2016, 4:19 AM CDT (09:19 UTC)
- Expired
- Sep 10, 2016, 10:15 AM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Madison County, IL, Monroe County, IL, Saint Clair County, IL, City of Saint Louis, MO, Franklin County, MO, Jefferson County, MO, Saint Charles County, MO, Saint Louis County, MO
The radar
The St Louis radar (KLSX), 30 km from the middle of the area, began a volume at 09:22 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 |
|---|---|---|---|
| Sep 10, 4:41 AM CDT | HEAVY RAIN 2.2 | Eureka, MO | 2.20 INCHES OF RAIN DURING THE PAST 6 HOURS |
| Sep 10, 6:30 AM CDT | HEAVY RAIN 2.71 | 2 Sw Lake St. Louis, MO | |
| Sep 10, 7:00 AM CDT | HEAVY RAIN 2.32 | 2 Ssw O'Fallon, MO | |
| Sep 10, 7:00 AM CDT | HEAVY RAIN 2.56 | 1 Se Weldon Spring, MO | 12Z OBSERVATION AT NWS OFFICE |
| Sep 10, 7:30 AM CDT | HEAVY RAIN 2.68 | 4 Se Dardenne Prairie, MO | |
| Sep 10, 8:00 AM CDT | HEAVY RAIN 2.49 | Cottleville, MO | |
| Sep 10, 8:30 AM CDT | HEAVY RAIN 2 | 2 W Edwardsville, IL | |
| Sep 10, 10:00 AM CDT | HEAVY RAIN 2.5 | St. Peters, MO | 24 HOUR TOTAL |
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, 9.3 hours before the alert went out and 224 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
- 237 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 606 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted.
267
WGUS53 KLSX 100919
FFWLSX
ILC119-133-163-MOC071-099-183-189-510-101515-
/O.NEW.KLSX.FF.W.0051.160910T0919Z-160910T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
419 AM CDT SAT SEP 10 2016
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
ST. CLAIR COUNTY IN SOUTHWESTERN ILLINOIS...
MADISON COUNTY IN SOUTHWESTERN ILLINOIS...
MONROE COUNTY IN SOUTHWESTERN ILLINOIS...
ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI...
NORTHERN JEFFERSON COUNTY IN EAST CENTRAL MISSOURI...
ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI...
SOUTHEASTERN FRANKLIN COUNTY IN EAST CENTRAL MISSOURI...
ST. LOUIS CITY IN EAST CENTRAL MISSOURI...
* UNTIL 1015 AM CDT.
* AT 415 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ST. LOUIS...ST. CHARLES...ST. PETERS...FLORISSANT...CHESTERFIELD...
BELLEVILLE...WILDWOOD...UNIVERSITY CITY...BALLWIN...GRANITE CITY...
WENTZVILLE...O'FALLON...ALTON...KIRKWOOD...MARYLAND HEIGHTS...
EAST ST. LOUIS... HAZELWOOD...COLLINSVILLE...
EDWARDSVILLE AND WEBSTER GROVES.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA.
SEVERAL CREEKS ARE FLOODING OR AT LEAST NEAR BANKFULL DUE TO THE
HEAVY RAIN.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 70 IN ILLINOIS BETWEEN EXITS 21 AND 24.
INTERSTATE 55 IN ILLINOIS BETWEEN EXITS 23 AND 33.
INTERSTATE 64 IN ILLINOIS BETWEEN EXITS 9 AND 27.
INTERSTATE 44 IN MISSOURI BETWEEN EXITS 242 AND 277.
INTERSTATE 55 IN MISSOURI BETWEEN EXITS 178 AND 191.
INTERSTATE 70 IN MISSOURI BETWEEN EXITS 203 AND 231.
THIS ALSO INCLUDES BABLER MEMORIAL STATE PARK...SCOTT JOPLIN
HISTORIC SITE...ROUTE 66 STATE PARK...CASTLEWOOD STATE
PARK...CONFLUENCE STATE PARK...MASTODON HISTORIC SITE...SANDY CREEK
COVERED BRIDGE HISTORIC SITE...GOV. DUNKLIN'S GRAVE HISTORIC
SITE...FIRST MISSOURI STATE CAPITOL HISTORIC SITE...ROBERTSVILLE
STATE PARK...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 3824 8971 3821 9097 3886 9096 3889 9063
3887 9056 3890 9052 3897 8969
$$
GKS1 follow-up statement
375
WGUS73 KLSX 101523
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1023 AM CDT SAT SEP 10 2016
ILC119-133-163-MOC071-099-183-189-510-101533-
/O.EXP.KLSX.FF.W.0051.000000T0000Z-160910T1515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ST. CLAIR IL-MADISON IL-MONROE IL-ST. LOUIS MO-JEFFERSON MO-
ST. CHARLES MO-FRANKLIN MO-ST. LOUIS CITY MO-
1023 AM CDT SAT SEP 10 2016
...THE FLASH FLOOD WARNING FOR ST. CLAIR...MADISON AND MONROE
COUNTIES IN SOUTHWESTERN ILLINOIS...ST. LOUIS...NORTHERN JEFFERSON...
ST. CHARLES...AND SOUTHEASTERN FRANKLIN COUNTIES IN EAST CENTRAL
MISSOURI AND ST. LOUIS CITY HAS EXPIRED...
THE HEAVY RAIN HAS ENDED. FLOOD WATERS ARE RECEDING. FLOODING IS NO
LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY
REMAINING ROAD CLOSURES.
LAT...LON 3824 8971 3821 9097 3886 9096 3889 9063
3887 9056 3890 9052 3897 8969
$$
KANOFSKYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 11:45 PM CDT | Flash Flood Warning | LSX | Cole, Moniteau | 6 hr |
| Sep 10, 1:29 AM CDT | Flash Flood Warning | LSX | Callaway, Cole, Franklin, Gasconade, Montgomery, Osage and 1 more | 6 hr |
| Sep 10, 4:09 AM CDT | River Flood Warning | LSX | Osage | 32 hr |
| Sep 10, 4:18 AM CDT | River Flood Warning | LSX | Monroe | 34 hr |
| Sep 10, 4:46 AM CDT | River Flood Warning | LSX | Cole | 58 hr |
| Sep 10, 6:12 AM CDT | River Flood Warning | LSX | Marion | 33 hr |
| Sep 10, 7:30 AM CDT | Areal Flood Warning | LSX | Callaway, Cole, Franklin, Gasconade, Montgomery, Osage and 1 more | 6 hr |
| Sep 10, 9:26 AM CDT | River Flood Warning | LSX | Saint Charles | 33 hr |
| Sep 10, 11:39 AM CDT | River Flood Warning | LSX | Lincoln | 46 hr |
| Sep 9, 8:10 PM CDT | Flash Flood Warning | LSX | Clinton, Washington | 4 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.