Alert archive / Illinois / Flash Flood Warnings in 2004
Flash Flood Warning 69, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood warning at Aug 26, 2004, 4:01 AM CDT for Clay County, Effingham 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
- Aug 26, 2004, 4:01 AM CDT (09:01 UTC)
- Expired
- Aug 26, 2004, 8:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS Lincoln, IL
- Area
- Counties, with a storm outline in the text
Counties Clay County, IL, Effingham County, IL
The radar
The Evansville,IN radar (KVWX), 105 km from the middle of the area, began a volume at 09:06 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
Davenport, (KDVN), launched 00:00Z, 9.0 hours before the alert went out and 340 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.
- Mixed-layer CAPE
- 1111 J/kg
- Mixed-layer CIN
- -84 J/kg
- Mixed-layer LCL
- 904 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 169 m²/s²
- 0-3 km storm-relative helicity
- 282 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 7.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KILX 260903 FFWILX ILC025-049-261300- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LINCOLN IL 401 AM CDT THU AUG 26 2004 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * FLASH FLOOD WARNING FOR... CLAY COUNTY IN SOUTH CENTRAL ILLINOIS EFFINGHAM COUNTY IN SOUTH CENTRAL ILLINOIS * UNTIL 800 AM CDT * AT 353 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN HAS FALLEN OVER MUCH OF EFFINGHAM AND CLAY COUNTIES. 2 TO 4 INCHES OF RAIN HAS BEEN ESTIMATED SINCE LATE WEDNESDAY EVENING. * THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE ACROSS EFFINGHAM AND CLAY COUNTIES. RAINFALL AMOUNTS WILL LIKELY RANGE FROM 3 TO 5 INCHES BY 6 AM. THESE RAINFALL AMOUNTS 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 8844 3866 8838 3866 8864 3916 8875 $$ BAK NNNN
1 follow-up statement
000 WGUS73 KILX 261301 FFSILX ILC025-261600- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 801 AM CDT THU AUG 26 2004 ...THE FLASH FLOOD WARNING FOR CLAY COUNTY IS BEING ALLOWED TO EXPIRE... THE HEAVY RAINFALL AND FLOOD THREAT HAS ENDED ACROSS THE WARNED AREA. THEREFORE...THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE. REPORT FLASH FLOODING TO YOUR LOCAL ESDA...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE. STAY TUNED FOR LATER STATEMENTS. LAT...LON 3887 8836 3865 8838 3862 8867 3882 8869 $$ BAK
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 7:10 PM CDT | Flash Flood Warning | ILX | Piatt | 6 hr |
| Aug 25, 7:34 PM CDT | Flash Flood Warning | ILX | Champaign | 5 hr |
| Aug 26, 7:56 AM CDT | Flash Flood Warning | ILX | Effingham, Jasper | 3 hr |
| Aug 26, 5:42 PM CDT | Severe Thunderstorm Warning | ILX | Morgan, Sangamon | 63 min |
| Aug 26, 6:54 PM CDT | Tornado Warning | ILX | Fulton | 51 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.