Alert archive / Illinois / Flash Flood Warnings in 2004

Flash Flood Warning 28, NWS Lincoln, IL

May 30, 2004Effingham County, Shelby County, Illinois

NWS Lincoln, IL issued this flash flood warning at May 30, 2004, 5:34 PM CDT for Effingham County, Shelby County, Illinois. It was in force for 6 hr. 2 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: May 30, 2004, 5:34 PM CDT (22:34 UTC)
Expired: May 30, 2004, 11:30 PM CDT
In force: 6 hr
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

Counties Effingham County, IL, Shelby County, IL

The radar

The Lincoln radar (KILX), 108 km from the middle of the area, began a volume at 22:36 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
May 30, 7:00 PM CDT	FLASH FLOOD	Sigel, IL	US-45 CLOSED DUE TO FLOODING.
May 30, 7:00 PM CDT	FLASH FLOOD	Sigel, IL	US-45 CLOSED DUE TO FLOODING.

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, 10.6 hours before the alert went out and 97 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1629 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 569 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 201 m²/s²
0-3 km storm-relative helicity: 177 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 8.9

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KILX 302235
FFWILX
ILC049-173-310430-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
534 PM CDT SUN MAY 30 2004

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SHELBY COUNTY IN CENTRAL ILLINOIS
  EFFINGHAM COUNTY IN SOUTH CENTRAL ILLINOIS

* UNTIL 1130 PM CDT

* AT 526 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  STRONG THUNDERSTORMS WITH VERY HEAVY RAIN MOVING INTO SHELBY AND 
  EFFINGHAM COUNTIES. RADAR IS ESTIMATING RAINFALL AMOUNTS OF 1 TO 2 
  INCHES PER HOUR WITH THESE STORMS.

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 3923 8878 3923 8913 3934 8913 3934 8904
          3965 8900 3961 8881 3949 8865 3944 8848
          3917 8847 3916 8837 3893 8837 3893 8878

$$

KELLY

2 follow-up statements

000 
WGUS73 KILX 310200
FFSILX
ILC049-173-310430-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
856 PM CDT SUN MAY 30 2004

...A FLASH FLOOD WARNING CONTINUES FOR SHELBY AND EFFINGHAM COUNTIES
UNTIL 1130 PM CDT...

ALTHOUGH THE HEAVY RAINFALL IS EXITING THE COUNTIES...FLOODING WILL 
STILL BE A THREAT.

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 3922 8880 3922 8914 3935 8914 3934 8904
          3965 8903 3965 8882 3958 8880 3945 8848
          3917 8847 3916 8837 3892 8837 3892 8880

$$

KELLY

000 
WGUS73 KILX 310432
FFSILX
ILC173-310445-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1132 PM CDT SUN MAY 30 2004

...THE FLASH FLOOD WARNING FOR SHELBY COUNTY IS BEING ALLOWED TO
EXPIRE...

THE HEAVY RAINFALL AND FLOOD THREAT HAS ENDED ACROSS THE WARNED AREA.
THEREFORE...THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 3949 8865 3924 8850 3924 8907 3956 8899

$$

PLAHMER

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 8:51 AM CDT	Severe Thunderstorm Warning	ILX	Fulton, Peoria, Tazewell	39 min
May 30, 9:01 AM CDT	Severe Thunderstorm Warning	ILX	Stark	44 min
May 30, 9:06 AM CDT	Flash Flood Warning	ILX	Knox, Stark	6 hr
May 30, 9:27 AM CDT	Severe Thunderstorm Warning	ILX	Peoria, Tazewell, Woodford	48 min
May 30, 9:34 AM CDT	Flash Flood Warning	ILX	Peoria, Tazewell	6 hr
May 30, 9:46 AM CDT	Tornado Warning	ILX	Tazewell, Woodford	59 min
May 30, 9:52 AM CDT	Flash Flood Warning	ILX	Marshall, Woodford	6 hr
May 30, 10:27 AM CDT	Flash Flood Warning	ILX	McLean	6 hr
May 30, 11:06 AM CDT	Severe Thunderstorm Warning	ILX	DeWitt, McLean	39 min
May 30, 11:10 AM CDT	Severe Thunderstorm Warning	ILX	Logan, Macon	50 min
May 30, 3:45 PM CDT	Tornado Warning	ILX	Fulton, Knox	60 min
May 30, 4:09 PM CDT	Tornado Warning	ILX	Schuyler	66 min
May 30, 4:21 PM CDT	Flash Flood Warning	ILX	Knox	6 hr
May 30, 4:28 PM CDT	Severe Thunderstorm Warning	ILX	Peoria, Stark	62 min
May 30, 4:29 PM CDT	Tornado Warning	ILX	Peoria, Stark	61 min
May 30, 4:34 PM CDT	Flash Flood Warning	ILX	Fulton, Schuyler	6 hr
May 30, 4:36 PM CDT	Tornado Warning	ILX	Tazewell, Woodford	54 min
May 30, 4:40 PM CDT	Flash Flood Warning	ILX	Peoria, Stark	6 hr
May 30, 4:43 PM CDT	Tornado Warning	ILX	Fulton, Knox	62 min
May 30, 4:49 PM CDT	Severe Thunderstorm Warning	ILX	Menard	56 min
May 30, 4:59 PM CDT	Tornado Warning	ILX	Cass, Mason	61 min
May 30, 5:06 PM CDT	Tornado Warning	ILX	Shelby	54 min
May 30, 5:10 PM CDT	Tornado Warning	ILX	Marshall	65 min
May 30, 5:19 PM CDT	Tornado Warning	ILX	Woodford	56 min
May 30, 5:24 PM CDT	Flash Flood Warning	ILX	Marshall, Woodford	6 hr
May 30, 5:25 PM CDT	Tornado Warning	ILX	Clark, Crawford, Cumberland, Jasper	65 min
May 30, 5:30 PM CDT	Flash Flood Warning	ILX	Tazewell	6 hr
May 30, 5:31 PM CDT	Tornado Warning	ILX	Effingham, Logan, Shelby, Tazewell	59 min
May 30, 5:40 PM CDT	Severe Thunderstorm Warning	ILX	Douglas, Edgar	65 min
May 30, 5:44 PM CDT	Tornado Warning	ILX	Logan, Tazewell	46 min
May 30, 5:54 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt, Macon, Piatt	51 min
May 30, 6:03 PM CDT	Tornado Warning	ILX	McLean	57 min
May 30, 6:09 PM CDT	Tornado Warning	ILX	Edgar	66 min
May 30, 6:12 PM CDT	Tornado Warning	ILX	DeWitt	63 min
May 30, 6:16 PM CDT	Tornado Warning	ILX	Coles	59 min
May 30, 6:21 PM CDT	Severe Thunderstorm Warning	ILX	Champaign	69 min
May 30, 6:24 PM CDT	Tornado Warning	ILX	Cumberland, Effingham, Jasper	66 min
May 30, 6:36 PM CDT	Tornado Warning	ILX	Clark	54 min
May 30, 6:49 PM CDT	Severe Thunderstorm Warning	ILX	Piatt	56 min
May 30, 6:57 PM CDT	Tornado Warning	ILX	Champaign, Piatt	63 min

Nearby

Flash Flood Warnings in Illinois, 2004 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.