Alert archive / Illinois / Flash Flood Warnings in 2013

Flash Flood Warning 36, NWS St. Louis, MO

June 23, 2013Fayette County, Marion County, Illinois

NWS St. Louis, MO issued this flash flood warning at Jun 23, 2013, 11:54 AM CDT for Fayette County, Marion County, Illinois. It was in force for 6 hr. 4 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, 11:54 AM CDT (16:54 UTC)
Expired
Jun 23, 2013, 6:00 PM CDT
In force
6 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

Counties Fayette County, IL, Marion County, IL

The radar

The Evansville,IN radar (KVWX), 102 km from the middle of the area, began a volume at 16:56 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

TimeReportWhereRemark
Jun 23, 12:45 PM CDTFLASH FLOODFarina, ILWATER OVER SEVERAL ROADS IN THE FARINA AREA EARLIER...BUT WATER HAS SINCE RECEDED.
Jun 23, 1:00 PM CDTFLASH FLOOD2 W Cartter, ILWATER OVER INTERSECTION OF ILLINOIS ROUTE 37 AND CARTTER ROAD.
Jun 23, 1:00 PM CDTFLASH FLOOD5 W Helm, ILWATER OVER ROAD JUST WEST OF INTERSECTION OF ILLINOIS ROUTE 161 EXTENSION AND BUCHANAN ROAD.
Jun 23, 5:15 PM CDTFLASH FLOOD5 W Helm, ILFLOODING HAS SUBSIDED ON MAIN ROADS...STILL SOME WATER ON SECONDARY ROADS.

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, 4.9 hours before the alert went out and 171 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.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2013-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 568 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2013-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 134 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

904 
WGUS53 KLSX 231654
FFWLSX
ILC051-121-232300-
/O.NEW.KLSX.FF.W.0036.130623T1654Z-130623T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1154 AM CDT SUN JUN 23 2013

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MARION COUNTY IN SOUTH CENTRAL ILLINOIS...
  SOUTHEASTERN FAYETTE COUNTY IN SOUTH CENTRAL ILLINOIS...

* UNTIL 600 PM CDT SUNDAY

* AT 1152 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE   
  WARNED AREA. DOPPLER RADAR ESTIMATES THAT 2 TO 4 INCHES OF RAIN 
  HAS FALLEN SINCE 1000 AM WITH THE HIGHEST AMOUNTS CENTERED IN 
  SOUTHEAST MARION COUNTY. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
  SALEM...FARINA...HELM...KINMUNDY...OMEGA...IUKA...HELM AND 
  STEPHEN FORBES STATION.

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 3847 8870 3848 8900 3892 8900 3892 8870
      3848 8869

$$

GLASS
1 follow-up statement
717 
WGUS73 KLSX 231917
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
217 PM CDT SUN JUN 23 2013

ILC051-121-232300-
/O.CON.KLSX.FF.W.0036.000000T0000Z-130623T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MARION IL-FAYETTE IL-
217 PM CDT SUN JUN 23 2013

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHEASTERN FAYETTE AND
MARION COUNTIES UNTIL 600 PM CDT...

AT 213 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT 
SEVERAL SECONDARY ROADS...ESPECIALLY IN SOUTHEASTERN MARION COUNTY 
WERE FLOODED DUE TO THE HEAVY RAINS. THE STORMS ARE EXITING THE 
FORECAST AREA. HOWEVER...RUNOFF FROM THESE STORMS WILL CONTINUE TO 
CAUSE FLOODING PROBLEMS ACROSS THE WARNED AREA. BETWEEN 2 AND 4 
INCHES OF RAIN HAS FALLEN...WITH LOCALLY HIGHER AMOUNTS.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... 
SALEM...FARINA...HELM...KINMUNDY...OMEGA...IUKA AND STEPHEN FORBES 
STATION.


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 3847 8870 3848 8900 3892 8900 3892 8870
      3848 8869

$$

BYRD

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 23, 8:21 AM CDTFlash Flood WarningLSXMadison3 hr
Jun 23, 11:31 AM CDTAreal Flood WarningLSXMadison9 hr
Jun 23, 2:30 PM CDTSevere Thunderstorm WarningLSXAdams30 min
Jun 23, 2:35 PM CDTFlash Flood WarningLSXAdams6 hr
Jun 23, 5:50 PM CDTAreal Flood WarningLSXFayette, Marion6 hr
Jun 23, 6:06 PM CDTAreal Flood AdvisoryLSXMadison, Saint Clair3 hr
Jun 23, 6:19 PM CDTFlash Flood WarningLSXMadison6 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.