Alert archive / Illinois / Flash Flood Warnings in 2004
Flash Flood Warning 7, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood warning at May 18, 2004, 6:24 PM CDT for McLean County, Illinois. It was in force for 3 hr. 3 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 18, 2004, 6:24 PM CDT (23:24 UTC)
- Expired
- May 18, 2004, 9:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Lincoln, IL
- Area
- Counties, with a storm outline in the text
County McLean County, IL
The radar
The Lincoln radar (KILX), 60 km from the middle of the area, began a volume at 23:24 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 18, 6:30 PM CDT | FLOOD | Normal, IL | STREETS FLOODED IN NORTHERN PART OF NORMAL. |
| May 18, 6:30 PM CDT | FLOOD | Normal, IL | STREETS FLOODED IN NORTHERN PART OF NORMAL. |
| May 18, 6:30 PM CDT | FLOOD | Normal, IL | STREETS FLOODED IN NORTHERN PART OF NORMAL. |
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, 11.4 hours before the alert went out and 45 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
- 989 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 838 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 124 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KILX 182326 FFWILX ILC113-190230- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LINCOLN IL 624 PM CDT TUE MAY 18 2004 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * FLASH FLOOD WARNING FOR... MCLEAN COUNTY IN CENTRAL ILLINOIS * UNTIL 930 PM CDT * AT 619 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN WAS FALLING OVER THE WESTERN PORTIONS OF MCLEAN COUNTY. RAINFALL AMOUNTS OF ONE TO TWO INCHES IN A SHORT PERIOD OF TIME ARE POSSIBLE. THE HEAVIEST RAINS WILL BE MOVING INTO BLOOMINGTON BETWEEN 530 AND 6 PM. 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 4065 8863 4038 8856 4036 8918 4056 8912 $$ HALL
2 follow-up statements
000 WGUS73 KILX 190025 FFSILX ILC113-190215- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 720 PM CDT TUE MAY 18 2004 ...A FLASH FLOOD WARNING CONTINUES FOR MCLEAN COUNTY UNTIL 930 PM CDT... AT 720 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT HEAVY RAINS WERE CONTINUING OVER CENTRAL AND SOUTHERN PORTIONS OF THE COUNTY. RAINFALL AMOUNTS OF ONE TO TWO INCHES PER HOUR ARE STILL POSSIBLE. SEVERAL REPORTS HAVE BEEN RECEIVED OF STREETS AND ROADS BEING UNDER WATER IN NORMAL AND DANVERS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF IN A FLOOD PRONE AREA...MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG CREEKS AND STREAMS ARE ESPECIALLY VULNERABLE TO THE EFFECTS OF FLASH FLOODING. DO NOT ATTEMPT TO CROSS FLOODED AREAS BY FOOT OR AUTOMOBILE. REPORT FLASH FLOODING TO YOUR LOCAL ESDA...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE. STAY TUNED FOR LATER STATEMENTS. LAT...LON 4064 8869 4036 8868 4036 8918 4056 8912 $$ HALL
000 WGUS73 KILX 190234 FFSILX ILC113-190245- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 930 PM CDT TUE MAY 18 2004 ...THE FLASH FLOOD WARNING FOR MCLEAN COUNTY HAS BEEN ALLOWED TO EXPIRE... AT 927 PM CDT...MCLEAN COUNTY SHERIFFS AND BLOOMINGTON POLICE REPORT THAT NO ADDITIONAL REPORTS OF FLOODING HAVE BEEN RECEIVED. WATER WAS RECEDING IN THIS AREA AND THIS TREND SHOULD CONTINUE. THE HEAVY RAINFALL AND FLOOD THREAT HAS ENDED ACROSS THE WARNED AREA. THEREFORE...THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE. LAT...LON 4072 8860 4034 8861 4034 8911 4071 8896 $$ SMITH
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 12:27 PM CDT | Severe Thunderstorm Warning | ILX | Morgan | 63 min |
| May 18, 1:43 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Piatt | 62 min |
| May 18, 1:58 PM CDT | Flash Flood Warning | ILX | DeWitt | 6 hr |
| May 18, 3:41 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 49 min |
| May 18, 3:43 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 47 min |
| May 18, 4:43 PM CDT | Severe Thunderstorm Warning | ILX | Peoria, Tazewell, Woodford | 62 min |
| May 18, 4:45 PM CDT | Flash Flood Warning | ILX | Peoria | 4 hr |
| May 18, 4:53 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 52 min |
| May 18, 5:08 PM CDT | Tornado Warning | ILX | Tazewell, Woodford | 52 min |
| May 18, 5:35 PM CDT | Tornado Warning | ILX | Tazewell, Woodford | 25 min |
| May 18, 5:40 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 65 min |
| May 18, 6:11 PM CDT | Tornado Warning | ILX | McLean | 64 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.