Alert archive / Illinois / Flash Flood Warnings in 2008

Flash Flood Warning 31, NWS St. Louis, MO

May 25, 2008Bond County, Clinton County, Illinois

NWS St. Louis, MO issued this flash flood warning at May 25, 2008, 11:58 PM CDT for Bond County, Clinton County, Illinois. It was in force for 6 hr. 1 report 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
May 25, 2008, 11:58 PM CDT (04:58 UTC)
Expired
May 26, 2008, 6:00 AM CDT
In force
6 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

Counties Bond County, IL, Clinton County, IL

The radar

The St Louis radar (KLSX), 105 km from the middle of the area, began a volume at 05:02 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
May 26, 3:40 AM CDTFLASH FLOOD7 E Carlyle, ILSTILL SOME FLOODING REPORTED ON OLD US 50 EAST OF CARLYLE.

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, 5.0 hours before the alert went out and 179 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 00:00Z on 2008-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 955 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 00:00Z on 2008-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 118 square meters per square second.193958Sfc1 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
955 J/kg
Mixed-layer CIN
-202 J/kg
Mixed-layer LCL
941 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
118 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLSX 260501
FFWLSX
ILC005-027-261100-
/O.NEW.KLSX.FF.W.0031.080526T0458Z-080526T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1158 PM CDT SUN MAY 25 2008

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BOND COUNTY IN SOUTH CENTRAL ILLINOIS
  CLINTON COUNTY IN SOUTH CENTRAL ILLINOIS

* UNTIL 600 AM CDT MONDAY

* AT 1157 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH    
  FLOODING OVER THE WARNED AREA. ONE TO TWO INCHES OF RAINFALL HAVE 
  FALLEN ACROSS THIS AREA WITH THE LAST ROUND OF STORMS. THE 
  HEAVIEST RAINFALL HAS COME TO AN END...BUT THE POTENTIAL OF 
  FLOODING 
  WILL CONTINUE. 

* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE
  AFFECTING WOBURN...TAMALCO...ST. ROSE...SORENTO...RENO...
  POCAHONTAS...MULBERRY GROVE...JAMESTOWN...GREENVILLE...BOULDER AND
  BEAVER CREEK.

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.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

LAT...LON 3851 8935 3849 8939 3849 8946 3846 8948
      3848 8957 3842 8971 3865 8971 3866 8960
      3886 8960 3887 8964 3899 8965 3900 8959
      3903 8959 3903 8926 3874 8926 3874 8914
      3851 8914
TIME...MOT...LOC 0458Z 180DEG 0KT 3862 8945

$$

TILLY
2 follow-up statements
000 
WGUS73 KLSX 260858
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
351 AM CDT MON MAY 26 2008

ILC005-027-261100-
/O.CON.KLSX.FF.W.0031.000000T0000Z-080526T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLINTON IL-BOND IL-
351 AM CDT MON MAY 26 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 AM CDT FOR BOND
AND CLINTON COUNTIES...

AT 351 AM CDT...FLOODING PROBLEMS PERSISTED OVER THE WARNED AREA.  
THE CLINTON COUNTY SHERIFFS DEPARTMENT REPORTED THAT FLOODING 
CONTINUED ALONG OLD HIGHWAY 50 EAST OF CARLYLE.  PONDING OF WATER 
WAS ALSO BEING REPORTED ON ROADS IN BOND COUNTY BY THE BOND COUNTY 
SHERIFFS OFFICE.

IN ADDITION...AUTOMATED GAGES CONTINUED TO INDICATE RAPID RISES ON 
SOME STREAMS IN THE AREA.  AT PIERRON IN BOND COUNTY...SHOAL CREEK 
HAS RISEN NEARLY 5 FEET SINCE MIDNIGHT.   AT BREESE IN CLINTON 
COUNTY...SHOAL CREEK HAS CLIMBED A FOOT AN HOUR SINCE 1 AM.   
LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH FLOODING OVER 
THE WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WOBURN...
TAMALCO...ST. ROSE...SORENTO...RENO...POCAHONTAS...MULBERRY GROVE...
JAMESTOWN...GREENVILLE...BOULDER AND BEAVER CREEK.

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.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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. MOVE TO HIGHER GROUND.

LAT...LON 3851 8935 3849 8939 3849 8946 3846 8948
      3848 8957 3842 8971 3865 8971 3866 8960
      3886 8960 3887 8964 3899 8965 3900 8959
      3903 8959 3903 8926 3874 8926 3874 8914
      3851 8914
TIME...MOT...LOC 0851Z 180DEG 0KT 3862 8945

$$

TRUETT
000 
WGUS73 KLSX 261059
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
558 AM CDT MON MAY 26 2008

ILC005-027-261108-
/O.EXP.KLSX.FF.W.0031.000000T0000Z-080526T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLINTON IL-BOND IL-
558 AM CDT MON MAY 26 2008

...THE FLASH FLOOD WARNING WILL EXPIRE AT 600 AM CDT FOR BOND AND
CLINTON COUNTIES...

A CHECK WITH AREA LAW ENFORCEMENT INDICATES THAT FLOODING IS NO 
LONGER A PROBLEM IN THE AREA. HOWEVER...ADDITIONAL RAIN HAS MOVED 
BACK IN THE AREA...SO BE ON THE LOOKOUT FOR PONDING ON ROADWAYS AS 
YOU TRAVEL THROUGH THE AREA THIS MORNING.


LAT...LON 3851 8935 3849 8939 3849 8946 3846 8948
      3848 8957 3842 8971 3865 8971 3866 8960
      3886 8960 3887 8964 3899 8965 3900 8959
      3903 8959 3903 8926 3874 8926 3874 8914
      3851 8914
TIME...MOT...LOC 1058Z 180DEG 0KT 3862 8945

$$

BYRD

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 7:23 PM CDTSevere Thunderstorm WarningLSXCalhoun, Greene, Jersey, Pike52 min
May 25, 8:58 PM CDTFlash Flood WarningLSXCalhoun4 hr
May 25, 9:09 PM CDTFlash Flood WarningLSXJersey, Macoupin, Madison, Montgomery4 hr
May 25, 9:57 PM CDTSevere Thunderstorm WarningLSXJersey, Macoupin, Madison, Monroe, Saint Clair48 min
May 25, 10:29 PM CDTSevere Thunderstorm WarningLSXBond, Clinton, Macoupin, Madison, Monroe, Montgomery and 3 more46 min
May 25, 11:37 PM CDTSevere Thunderstorm WarningLSXMarion23 min
May 26, 1:12 AM CDTAreal Flood WarningLSXGreene, Jersey, Macoupin, Madison, Montgomery4 hr
May 26, 3:03 AM CDTSevere Thunderstorm WarningLSXMadison42 min
May 26, 5:18 AM CDTAreal Flood WarningLSXGreene, Jersey, Macoupin, Madison, Montgomery6 hr
May 26, 6:02 AM CDTAreal Flood AdvisoryLSXBond, Clinton4 hr
May 26, 6:58 AM CDTFlash Flood WarningLSXSaint Clair4 hr
May 26, 7:13 AM CDTAreal Flood AdvisoryLSXClinton, Fayette, Greene, Macoupin, Marion, Montgomery and 1 more37 hr
May 26, 11:23 AM CDTAreal Flood WarningLSXMacoupin14 hr
May 26, 12:59 PM CDTRiver Flood WarningLSXCalhoun48 hr
May 26, 12:59 PM CDTRiver Flood WarningLSXMadison9 hr
May 26, 12:59 PM CDTRiver Flood WarningLSXRandolph7 days

Nearby

Flash Flood Warnings in Illinois, 2008Every flash flood warning in 2008

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.