Alert archive / Illinois / Flash Flood Warnings in 2013
Flash Flood Warning 39, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jun 23, 2013, 6:19 PM CDT for Madison County, Illinois. It was in force for 6 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 23, 2013, 6:19 PM CDT (23:19 UTC)
- Expired
- Jun 24, 2013, 12:30 AM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
County Madison County, IL
The radar
The St Louis radar (KLSX), 52 km from the middle of the area, began a volume at 23:22 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 |
|---|---|---|---|
| Jun 23, 7:30 PM CDT | FLOOD | Pontoon Beach, IL | NUMEROUS ROADS HAVE STANDING WATER DUE TO THE HEAVY RAINS. |
| Jun 23, 7:46 PM CDT | FLOOD | Granite City, IL | WATER 1 TO 2 FEET DEEP ON SOME ROADS |
| Jun 23, 10:38 PM CDT | HEAVY RAIN 7.8 | Edwardsville, IL | 48-HR TOTAL. 4.20 INCHES TODAY. |
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, 11.3 hours before the alert went out and 202 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
- 568 J/kg
- Mixed-layer CIN
- -135 J/kg
- Mixed-layer LCL
- 1050 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 134 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
110
WGUS53 KLSX 232319
FFWLSX
ILC119-240530-
/O.NEW.KLSX.FF.W.0039.130623T2319Z-130624T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
619 PM CDT SUN JUN 23 2013
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN MADISON COUNTY IN SOUTHWEST ILLINOIS...
* UNTIL 1230 AM CDT
* AT 618 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. RADAR ESTIMATES THAT 2 TO 3 INCHES OF RAIN HAS FALLEN
SINCE 430 PM AND AN ADDITIONAL INCH OF RAIN IS POSSIBLE.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
COLLINSVILLE...EDWARDSVILLE...GLEN CARBON...GRANITE CITY...
MADISON...MARYVILLE...PONTOON BEACH AND VENICE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
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.
&&
LAT...LON 3866 8989 3866 9017 3872 9021 3874 9020
3875 9018 3877 9017 3881 9011 3884 8992
$$
GLASS1 follow-up statement
932
WGUS73 KLSX 240045
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
745 PM CDT SUN JUN 23 2013
ILC119-240530-
/O.CON.KLSX.FF.W.0039.000000T0000Z-130624T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MADISON IL-
745 PM CDT SUN JUN 23 2013
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHWESTERN MADISON
COUNTY UNTIL 1230 AM CDT...
AT 741 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT
NUMEROUS ROADS IN PONTOON BEACH WERE COVERED WITH STANDING WATER.
RADAR ESTIMATES THAT AROUND 3 INCHES OF RAIN HAS FALLEN IN SOUTHWEST
MADISON COUNTY. THE HEAVIEST RAINFALL HAS ENDED BUT LIGHT RAIN WILL
CONTINUE THROUGH AT LEAST 900 PM.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
COLLINSVILLE...EDWARDSVILLE...GLEN CARBON...GRANITE CITY...MADISON...
MARYVILLE...PONTOON BEACH AND VENICE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR
OCCURRING. IF YOU ARE IN THE WARNING AREA...MOVE TO HIGHER GROUND
IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO
CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 3866 8989 3866 9017 3872 9021 3874 9020
3875 9018 3877 9017 3881 9011 3884 8992
$$
GLASSThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 8:21 AM CDT | Flash Flood Warning | LSX | Madison | 3 hr |
| Jun 23, 11:31 AM CDT | Areal Flood Warning | LSX | Madison | 9 hr |
| Jun 23, 11:54 AM CDT | Flash Flood Warning | LSX | Fayette, Marion | 6 hr |
| Jun 23, 2:30 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 30 min |
| Jun 23, 2:35 PM CDT | Flash Flood Warning | LSX | Adams | 6 hr |
| Jun 23, 5:50 PM CDT | Areal Flood Warning | LSX | Fayette, Marion | 6 hr |
| Jun 23, 6:06 PM CDT | Areal Flood Advisory | LSX | Madison, Saint Clair | 3 hr |
Nearby
Flash Flood Warnings in Illinois, 2013Every flash flood warning in 2013
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.