Alert archive / Illinois / Flash Flood Warnings in 2004

Flash Flood Warning 73, NWS Lincoln, IL

August 28, 2004Crawford County, Jasper County, Illinois

NWS Lincoln, IL issued this flash flood warning at Aug 28, 2004, 5:37 PM CDT for Crawford County, Jasper 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: Aug 28, 2004, 5:37 PM CDT (22:37 UTC)
Expired: Aug 28, 2004, 11:30 PM CDT
In force: 6 hr
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

Counties Crawford County, IL, Jasper County, IL

The radar

The Evansville,IN radar (KVWX), 90 km from the middle of the area, began a volume at 22:41 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, 10.6 hours before the alert went out and 134 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 913 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 65 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 282240
FFWILX
ILC033-079-290430-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
537 PM CDT SAT AUG 28 2004

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CRAWFORD COUNTY IN EAST CENTRAL ILLINOIS
  JASPER COUNTY IN SOUTHEAST ILLINOIS

* UNTIL 1130 PM CDT

* AT 532 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN HAS FALLEN FROM JUST EAST OF NEWTON TO NEAR OBLONG.
  DOPPLER HOURLY RAINFALL ESTIMATES RANGE FROM 1 TO 2 INCHES IN 
  THIS AREA SINCE 400 PM. 
  
* THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE ACROSS
  THIS AREA THROUGH THE EVENING. RAINFALL AMOUNTS WILL LIKELY RANGE
  FROM 2 TO 3 INCHES BY 700 PM THIS EVENING. THE HEAVY RAINFALL 
  RECEIVED EARLIER IN THE WEEK IN ADDITION TO THE EXCESSIVE RAINS 
  EXPECTED THIS EVENING WILL LIKELY PRODUCE FLASH FLOODING.

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 3916 8772 3889 8758 3888 8835 3917 8834

$$
SMITH

1 follow-up statement

000 
WGUS73 KILX 290145
FFSILX
ILC033-079-290200-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
844 PM CDT SAT AUG 28 2004

...THE FLASH FLOOD WARNING FOR CRAWFORD AND JASPER 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 3916 8767 3889 8762 3888 8834 3914 8834

$$
SMITH

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 27, 9:06 PM CDT	Severe Thunderstorm Warning	ILX	Macon	54 min
Aug 27, 9:43 PM CDT	Severe Thunderstorm Warning	ILX	Piatt	62 min
Aug 27, 10:15 PM CDT	Flash Flood Warning	ILX	Vermilion	6 hr
Aug 28, 5:21 PM CDT	Flash Flood Warning	ILX	Clay, Lawrence, Richland	6 hr
Aug 28, 6:30 PM CDT	Flash Flood Warning	ILX	Vermilion	6 hr

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; radar from the NEXRAD Level II archive.