Alert archive / Illinois / Flash Flood Warnings in 2004

Flash Flood Warning 8, NWS Lincoln, IL

May 23, 2004Christian County, Illinois

NWS Lincoln, IL issued this flash flood warning at May 23, 2004, 9:10 PM CDT for Christian County, Illinois. It was in force for 6 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 23, 2004, 9:10 PM CDT (02:10 UTC)
Expired
May 24, 2004, 3:15 AM CDT
In force
6 hr
Issued by
NWS Lincoln, IL
Area
Counties, with a storm outline in the text

County Christian County, IL

The radar

The Lincoln radar (KILX), 69 km from the middle of the area, began a volume at 02:10 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 00:00Z, 2.2 hours before the alert went out and 87 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 2004-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2833 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2004-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 164 square meters per square second.1939587897Sfc1 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
2833 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
727 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
164 m²/s²
0-3 km storm-relative helicity
193 m²/s²
Significant tornado parameter
2.9
Supercell composite
13.8

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KILX 240211
FFWILX
ILC021-240815-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
910 PM CDT SUN MAY 23 2004

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CHRISTIAN COUNTY IN CENTRAL ILLINOIS

* UNTIL 315 AM CDT

* AT 905 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  HEAVY RAINS CONTINUING FROM TAYLORVILLE TO MORRISONVILLE. DOPPLER
  RAINFALL ESTIMATES IN THIS AREA RANGE FROM 2 TO 3 INCHES SINCE
  700 PM CDT THIS EVENING. 

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF IN A FLOOD PRONE AREA...MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG CREEKS AND STREAMS ARE ESPECIALLY VULNERABLE
TO THE EFFECTS OF FLASH FLOODING. DO NOT ATTEMPT TO CROSS FLOODED
AREAS BY FOOT OR AUTOMOBILE.

REPORT FLASH FLOODING TO YOUR LOCAL ESDA...OR THE NEAREST LAW
ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE. STAY
TUNED FOR LATER STATEMENTS.

LAT...LON 3964 8907 3938 8906 3937 8953 3965 8945

$$

SMITH
2 follow-up statements
000 
WGUS73 KILX 240356
FFSILX
ILC021-240815-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1054 PM CDT SUN MAY 23 2004

...A FLASH FLOOD WARNING CONTINUES FOR CHRISTIAN COUNTY UNTIL 315 AM
CDT...

AT 1054 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
MOST OF THE HEAVY RAIN HAD SHIFTED EAST OF THE AREA. HOWEVER...
COUNTY SHERIFFS REPORTED SOME WATER STILL COVERING ROADWAYS FROM
TAYLORVILLE TO MORRISONVILLE...ALTHOUGH THE WATER WAS BEGINNING TO
SLOWLY RECEDE. 

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLASH FLOODS. IT IS VERY DIFFICULT AT NIGHT TO JUDGE HOW
MUCH WATER COVERS ROADWAYS. DO NOT ATTEMPT TO CROSS FLOODED ROADWAYS.

REPORT FLASH FLOODING TO YOUR LOCAL ESDA...OR THE NEAREST LAW
ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE. STAY
TUNED FOR LATER STATEMENTS.

LAT...LON 3964 8907 3939 8909 3938 8954 3962 8953
          3973 8928

$$
SMITH
000 
WGUS73 KILX 240439
FFSILX
ILC021-240445-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1137 PM CDT SUN MAY 23 2004

...THE FLASH FLOOD WARNING FOR CHRISTIAN COUNTY HAS BEEN CANCELLED...

AT 1135 PM CDT...CHRISTING COUNTY SHERIFFS REPORTED THAT THE WATER
HAD RECEDED ACROSS AREA ROADWAYS. THE HEAVY RAINFALL AND FLOOD THREAT 
HAS ENDED ACROSS THE WARNED AREA. THEREFORE...THE FLASH FLOOD WARNING 
HAS BEEN CANCELLED. 

LAT...LON 3963 8906 3938 8908 3939 8951 3965 8946

$$
SMITH

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 23, 7:05 PM CDTSevere Thunderstorm WarningILXMacon55 min
May 23, 7:19 PM CDTTornado WarningILXShelby56 min
May 23, 7:28 PM CDTTornado WarningILXSangamon32 min
May 23, 7:30 PM CDTTornado WarningILXMoultrie60 min
May 23, 7:39 PM CDTSevere Thunderstorm WarningILXMcLean, Woodford66 min
May 23, 7:39 PM CDTTornado WarningILXChristian66 min
May 23, 7:46 PM CDTSevere Thunderstorm WarningILXTazewell59 min
May 23, 7:51 PM CDTTornado WarningILXMcLean, Tazewell54 min
May 23, 7:52 PM CDTSevere Thunderstorm WarningILXColes, Douglas53 min
May 23, 8:01 PM CDTTornado WarningILXColes44 min
May 23, 8:13 PM CDTSevere Thunderstorm WarningILXShelby62 min
May 23, 8:18 PM CDTSevere Thunderstorm WarningILXSangamon57 min
May 23, 8:23 PM CDTSevere Thunderstorm WarningILXEdgar52 min
May 23, 8:33 PM CDTSevere Thunderstorm WarningILXClark57 min
May 23, 8:45 PM CDTTornado WarningILXChristian60 min
May 23, 9:01 PM CDTSevere Thunderstorm WarningILXColes59 min

Nearby

Flash Flood Warnings in Illinois, 2004Every flash flood warning in 2004

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.