Alert archive / Illinois / Flash Flood Warnings in 2004

Flash Flood Warning 30, NWS Lincoln, IL

May 30, 2004Jasper County, Lawrence County, Illinois

NWS Lincoln, IL issued this flash flood warning at May 30, 2004, 7:19 PM CDT for Jasper County, Lawrence 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 counties it named.

The facts

Issued: May 30, 2004, 7:19 PM CDT (00:19 UTC)
Expired: May 31, 2004, 1:15 AM CDT
In force: 6 hr
Issued by: NWS Lincoln, IL
Area: Whole counties

Counties Jasper County, IL, Lawrence County, IL

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 0.3 hours before the alert went out and 154 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: 7 J/kg
Mixed-layer CIN: -270 J/kg
Mixed-layer LCL: 845 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: -89 m²/s²
0-3 km storm-relative helicity: -31 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.

000 
WGUS53 KILX 310020
FFWILX
ILC079-101-310615-

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

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LAWRENCE COUNTY IN SOUTHEAST ILLINOIS
  JASPER COUNTY IN SOUTHEAST ILLINOIS

* UNTIL 115 AM CDT

* AT 709 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINS MOVING THROUGH JASPER COUNTY 
  AND INTO LAWRENCE COUNTY. RADAR IS ESTIMATING RAINFALL AMOUNTS OF
  1 TO 2 INCHES PER HOUR WITH THESE STORMS.

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.

LAT...LON 3887 8836 3917 8836 3918 8796 3885 8797
          3886 8832 3858 8792 3885 8791 3885 8751
          3871 8752 3858 8769 3858 8792

$$

KELLY

2 follow-up statements

000 
WGUS73 KILX 310212
FFSILX
ILC025-033-079-101-159-310615-

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

...A FLASH FLOOD WARNING CONTINUES FOR CRAWFORD...JASPER...CLAY...
LAWRENCE AND RICHLAND COUNTIES UNTIL 115 AM CDT...

AT 910 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
MODERATE TO HEAVY RAINFALL OVER THE AREA. ANY ADDITIONAL RAINFALL
ON ALREADY SATURATED SOIL...WILL RESULT IN FLOODING.

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 3861 8869 3891 8869 3891 8836 3918 8836
          3917 8762 3870 8749 3858 8780

$$

KELLY

000 
WGUS73 KILX 310509
FFSILX
ILC033-101-159-310515-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1207 AM CDT MON MAY 31 2004

...THE FLASH FLOOD WARNING FOR CRAWFORD...LAWRENCE AND RICHLAND
COUNTIES HAS BEEN CANCELLED...

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

LAT...LON 3915 8771 3865 8767 3863 8793 3865 8827
          3884 8790 3916 8791

$$

PLAHMER

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 7:08 PM CDT	Tornado Warning	ILX	Clay	52 min
May 30, 7:12 PM CDT	Flash Flood Warning	ILX	Clay, Crawford, Richland	6 hr
May 30, 7:21 PM CDT	Flash Flood Warning	ILX	Champaign, Vermilion	6 hr
May 30, 7:24 PM CDT	Tornado Warning	ILX	Vermilion	66 min
May 30, 7:28 PM CDT	Tornado Warning	ILX	Jasper, Richland	62 min
May 30, 7:37 PM CDT	Tornado Warning	ILX	Crawford, Lawrence	53 min
May 30, 11:23 PM CDT	Flash Flood Warning	ILX	Effingham	4 hr
May 31, 6:30 PM CDT	Severe Thunderstorm Warning	ILX	Schuyler	60 min
May 31, 6:53 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Morgan, Scott	52 min
May 31, 6:59 PM CDT	Severe Thunderstorm Warning	ILX	Fulton	61 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; the sounding from the Mesonet's radiosonde archive.