Alert archive / Illinois / Flash Flood Warnings in 2022
Flash Flood Warning 21, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood warning at Jul 23, 2022, 2:37 PM CDT for McLean County, Illinois. It was in force for 3 hr. 1 report 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
- Jul 23, 2022, 2:37 PM CDT (19:37 UTC)
- Expired
- Jul 23, 2022, 5:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Flood severity
- None
County McLean County, IL
The radar
The Lincoln radar (KILX), 80 km from the middle of the area, began a volume at 19:39 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 |
|---|---|---|---|
| Jul 23, 4:00 PM CDT | FLASH FLOOD | Colfax, IL | ROADS FLOODED IN TOWN AND SOME FLOODING ON PRIVATE PROPERTY. |
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, 7.6 hours before the alert went out and 49 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
- 1795 J/kg
- Mixed-layer CIN
- -121 J/kg
- Mixed-layer LCL
- 1926 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- -16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
482
WGUS53 KILX 231937
FFWILX
ILC113-232245-
/O.NEW.KILX.FF.W.0021.220723T1937Z-220723T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lincoln IL
237 PM CDT Sat Jul 23 2022
The National Weather Service in Lincoln has issued a
* Flash Flood Warning for...
Eastern McLean County in central Illinois...
* Until 545 PM CDT.
* At 236 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Colfax, Saybrook, Cooksville, Bellflower, Arrowsmith, Cropsey and
Anchor.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 4068 8875 4067 8858 4066 8858 4066 8857
4065 8857 4062 8857 4062 8855 4062 8853
4062 8846 4028 8846 4028 8864
FLASH FLOOD...RADAR INDICATED
$$
252 follow-up statements
336
WGUS73 KILX 232120
FFSILX
Flash Flood Statement
National Weather Service Lincoln IL
420 PM CDT Sat Jul 23 2022
ILC113-232245-
/O.CON.KILX.FF.W.0021.000000T0000Z-220723T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
McLean IL-
420 PM CDT Sat Jul 23 2022
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 PM CDT THIS
AFTERNOON FOR NORTHEASTERN MCLEAN COUNTY...
At 418 PM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 2 and 3 inches of rain have
fallen. Flash flooding is ongoing.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Colfax, Cropsey and Anchor.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 4068 8875 4067 8858 4066 8858 4066 8857
4065 8857 4062 8857 4062 8855 4062 8853
4062 8846 4045 8847 4056 8871
FLASH FLOOD...RADAR INDICATED
$$
37046
WGUS73 KILX 232249
FFSILX
Flash Flood Statement
National Weather Service Lincoln IL
549 PM CDT Sat Jul 23 2022
ILC113-232259-
/O.EXP.KILX.FF.W.0021.000000T0000Z-220723T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
McLean IL-
549 PM CDT Sat Jul 23 2022
...FLASH FLOOD WARNING HAS EXPIRED FOR NORTHEASTERN MCLEAN COUNTY...
Flood waters have receded. The heavy rain has ended. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.
LAT...LON 4068 8875 4067 8858 4066 8858 4066 8857
4065 8857 4062 8857 4062 8855 4062 8853
4062 8846 4045 8847 4056 8871
$$
37The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 1:24 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 36 min |
| Jul 23, 1:30 PM CDT | Tornado Warning | ILX | McLean | 30 min |
| Jul 23, 1:57 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 48 min |
| Jul 23, 2:38 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, McLean | 52 min |
| Jul 23, 3:09 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, DeWitt, McLean, Piatt | 51 min |
| Jul 23, 3:42 PM CDT | Flash Flood Warning | ILX | Champaign | 50 min |
| Jul 23, 4:42 PM CDT | Special Weather Statement | ILX | Woodford | 33 min |
| Jul 23, 5:17 PM CDT | Severe Thunderstorm Warning | ILX | Marshall, Woodford | 28 min |
Nearby
Flash Flood Warnings in Illinois, 2022Every flash flood warning in 2022
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.