Alert archive / Illinois / Flash Flood Warnings in 2021
Flash Flood Warning 2, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood warning at Jun 12, 2021, 6:21 PM CDT for Champaign County, Vermilion County, Illinois. It was in force for 78 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 12, 2021, 6:21 PM CDT (23:21 UTC)
- Expired
- Jun 12, 2021, 7:39 PM CDT
- In force
- 78 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Champaign County, IL, Vermilion County, IL
The radar
The Lincoln radar (KILX), 129 km from the middle of the area, began a volume at 23:21 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, 11.4 hours before the alert went out and 68 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
- 897 J/kg
- Mixed-layer CIN
- -111 J/kg
- Mixed-layer LCL
- 1584 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
117
WGUS53 KILX 122321
FFWILX
ILC019-183-130330-
/O.NEW.KILX.FF.W.0002.210612T2321Z-210613T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lincoln IL
621 PM CDT Sat Jun 12 2021
The National Weather Service in Lincoln has issued a
* Flash Flood Warning for...
Northeastern Champaign County in east central Illinois...
Northwestern Vermilion County in east central Illinois...
* Until 1030 PM CDT.
* At 621 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 3 inches of rain
have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Potomac, Henning, Armstrong and Middle Fork Wildlife Area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 4039 8797 4040 8795 4040 8793 4042 8793
4045 8788 4036 8774 4028 8767 4025 8771
4025 8774 4025 8778 4028 8785
FLASH FLOOD...RADAR INDICATED
$$
Shimon1 follow-up statement
511
WGUS73 KILX 130039
FFSILX
Flash Flood Statement
National Weather Service Lincoln IL
739 PM CDT Sat Jun 12 2021
ILC019-183-130049-
/O.CAN.KILX.FF.W.0002.000000T0000Z-210613T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Champaign IL-Vermilion IL-
739 PM CDT Sat Jun 12 2021
...FLASH FLOOD WARNING IS CANCELLED FOR NORTHEASTERN CHAMPAIGN AND
NORTHWESTERN VERMILION COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat.
LAT...LON 4039 8797 4040 8795 4040 8793 4042 8793
4045 8788 4036 8774 4028 8767 4025 8771
4025 8774 4025 8778 4028 8785
$$
NMBThe office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 3:00 PM CDT | Special Weather Statement | ILX | Clark | 30 min |
| Jun 12, 5:06 PM CDT | Special Weather Statement | ILX | Cumberland | 54 min |
| Jun 12, 5:56 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 33 min |
| Jun 12, 6:11 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 18 min |
| Jun 12, 6:37 PM CDT | Severe Thunderstorm Warning | ILX | Piatt | 38 min |
| Jun 12, 6:41 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 38 min |
Nearby
Flash Flood Warnings in Illinois, 2021Every flash flood warning in 2021
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.