Alert archive / Illinois / Flash Flood Warnings in 2002
Flash Flood Warning 91, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood warning at Aug 19, 2002, 5:32 AM CDT for Champaign County, Vermilion 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 19, 2002, 5:32 AM CDT (10:32 UTC)
- Expired
- Aug 19, 2002, 11:30 AM CDT
- In force
- 6 hr
- Issued by
- NWS Lincoln, IL
- Area
- Counties, with a storm outline in the text
Counties Champaign County, IL, Vermilion County, IL
The radar
The Lincoln radar (KILX), 121 km from the middle of the area, began a volume at 10:32 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 00:00Z, 10.5 hours before the alert went out and 59 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
- 523 J/kg
- Mixed-layer CIN
- -272 J/kg
- Mixed-layer LCL
- 743 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 172 m²/s²
- 0-3 km storm-relative helicity
- 282 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS53 KILX 191032 FFWSPI ILC019-183-191630- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LINCOLN IL 525 AM CDT MON AUG 19 2002 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * FLASH FLOOD WARNING FOR... CHAMPAIGN COUNTY IN EAST CENTRAL ILLINOIS VERMILION COUNTY IN EAST CENTRAL ILLINOIS * UNTIL 1130 AM CDT * AT 525 AM CDT...THUNDERSTORMS WITH EXCESSIVE RAINFALL CONTINUE ACROSS PARTS OF CHAMPAIGN AND VERMILION COUNTIES. THIS WARNING REPLACES THE PREVIOUS WARNINGS THAT WERE ISSUED FOR NORTHERN VERMILION AND CHAMPAIGN COUNTIES EARLIER THIS MORNING. AREAS FROM RANKIN TO JUST SOUTH OF HOOPESTON HAVE RECEIVED IN EXCESS OF 6 INCHES OF RAIN SINCE LATE LAST NIGHT WITH DOPPLER RAINFALL ESTIMATES CLOSING IN ON TEN INCHES. VERMILION COUNTY ESDA REPORTED THAT EVACUATIONS WERE UNDERWAY IN THE TOWN OF HOOPESTON. FURTHER EAST AND SOUTH IN CHAMPAIGN COUNTY...RAINFALL ESTIMATES RANGE FROM 2 TO 3 INCHES ACROSS THE NORTHERN PORTION OF THE COUNTY. THE BAND OF HEAVY RAINFALL WILL CONTINUE TO SLIP SOUTH ACROSS BOTH VERMILION AND CHAMPAIGN COUNTIES OVER THE NEXT HOUR OR TWO WITH RAINFALL RATES OF FROM 1 TO 2 INCHES PER HOUR POSSIBLE. THIS IS AN EXTREMELY DANGEROUS SITUATION IN THESE COUNTIES. 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 4042 8760 3993 8758 3994 8840 4038 8840 SMITH NNNN
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 12:20 AM CDT | Severe Thunderstorm Warning | ILX | McLean | 40 min |
| Aug 19, 1:03 AM CDT | Severe Thunderstorm Warning | ILX | McLean | 27 min |
| Aug 19, 2:03 AM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 42 min |
| Aug 19, 2:34 AM CDT | Flash Flood Warning | ILX | Vermilion | 6 hr |
| Aug 19, 4:13 AM CDT | Severe Thunderstorm Warning | ILX | Mason | 47 min |
| Aug 19, 4:36 AM CDT | Flash Flood Warning | ILX | Champaign | 6 hr |
| Aug 19, 5:32 AM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 58 min |
Nearby
Flash Flood Warnings in Illinois, 2002Every flash flood warning in 2002
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.