Alert archive / Illinois / Flash Flood Warnings in 2008

Flash Flood Warning 33, NWS St. Louis, MO

May 27, 2008Bond County, Illinois

NWS St. Louis, MO issued this flash flood warning at May 27, 2008, 2:04 PM CDT for Bond County, Illinois. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 27, 2008, 2:04 PM CDT (19:04 UTC)
Expired
May 27, 2008, 6:00 PM CDT
In force
4 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

County Bond County, IL

The radar

The St Louis radar (KLSX), 101 km from the middle of the area, began a volume at 19:04 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.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 7.1 hours before the alert went out and 160 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 2008-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2008-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
553 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
157 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KLSX 271908
FFWLSX
ILC005-272300-
/O.NEW.KLSX.FF.W.0033.080527T1904Z-080527T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
204 PM CDT TUE MAY 27 2008

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

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

* UNTIL 600 PM CDT

* AT 159 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED 
  WATER COVERING PORTIONS OF HIGHWAY 127 AND HIGHWAY 140.  THE WATER 
  WAS UP TO 8 INCHES DEEP IN SPOTS. RADAR ESTIMATES THAT 1 TO 3 
  INCHES OF RAIN HAS FALLEN SINCE 1200 PM. ADDITIONAL RAINFALL 
  AMOUNTS OF AROUND 1 INCH CAN BE EXPECTED THROUGH THE REMAINDER OF 
  THE AFTERNOON.

* FLASH FLOODING CAN BE EXPECTED ACROSS THE AREA...AND WILL BE 
  AFFECTING WOBURN...SORENTO...RENO AND GREENVILLE. 

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.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

LAT...LON 3874 8961 3888 8960 3889 8964 3898 8964
      3900 8961 3900 8959 3901 8960 3902 8958
      3903 8927 3875 8927
TIME...MOT...LOC 1904Z 180DEG 0KT 3888 8943

$$

GLASS
1 follow-up statement
000 
WGUS73 KLSX 272046
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
339 PM CDT TUE MAY 27 2008

ILC005-272300-
/O.CON.KLSX.FF.W.0033.000000T0000Z-080527T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BOND IL-
339 PM CDT TUE MAY 27 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR BOND
COUNTY...

AT 332 PM CDT...RADAR SHOWED THAT SHOWERS AND THUNDERSTORMS WHERE 
EXITING BOND COUNTY. LOCAL LAW ENFORCEMENT OFFICIALS HAVE NOT 
REPORTED ANY ADDITIONAL FLOODING OVER THE WARNED AREA...HOWEVER 
RADAR ESTIMATES INDICATE THAT 3 TO 4 INCHES OF RAIN HAS FALLEN IN 
THE WESTERN PART OF THE COUNTY NEAR AND SOUTH OF SHILOH HILL...AND 
BETWEEN POCAHONTAS AND DUDLEYVILLE.

SOME CREEKS THAT MAY BE FLOODED INCLUDE SILVER CREEK...SHOAL 
CREEK...AND BEAVER CREEK.  SECONDARY ROADS AND LOW LYING AREAS ARE 
ALSO SUBJECT TO FLOODING. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WOBURN...
SORENTO...RENO AND GREENVILLE.

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.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

LAT...LON 3874 8961 3888 8960 3889 8964 3898 8964
      3900 8961 3900 8959 3901 8960 3902 8958
      3903 8927 3875 8927
TIME...MOT...LOC 2039Z 180DEG 0KT 3888 8943

$$

GLASS

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 2:48 PM CDTFlash Flood WarningLSXClinton, Marion, Washington6 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.