Alert archive / Illinois / Flash Flood Warnings in 2021
Flash Flood Warning 18, NWS Lincoln, IL
NWS Lincoln, IL issued this flash flood warning at Jul 12, 2021, 11:35 PM CDT for Marshall County, Peoria County, Illinois. It was in force for 5 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
- Jul 12, 2021, 11:35 PM CDT (04:35 UTC)
- Expired
- Jul 13, 2021, 4:42 AM CDT
- In force
- 5 hr
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Marshall County, IL, Peoria County, IL
The radar
The Lincoln radar (KILX), 92 km from the middle of the area, began a volume at 04:37 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, 4.6 hours before the alert went out and 108 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
- 35 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 659 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
153
WGUS53 KILX 130435
FFWILX
ILC123-143-131030-
/O.NEW.KILX.FF.W.0018.210713T0435Z-210713T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lincoln IL
1135 PM CDT Mon Jul 12 2021
The National Weather Service in Lincoln has issued a
* Flash Flood Warning for...
Southwestern Marshall County in central Illinois...
Northeastern Peoria County in central Illinois...
* Until 530 AM CDT.
* At 1135 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 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...
Chillicothe.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4100 8960 4101 8949 4093 8947 4086 8959
FLASH FLOOD...RADAR INDICATED
$$
371 follow-up statement
602 WGUS73 KILX 130942 FFSILX Flash Flood Statement National Weather Service Lincoln IL 442 AM CDT Tue Jul 13 2021 ILC123-143-130952- /O.CAN.KILX.FF.W.0018.000000T0000Z-210713T1030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Marshall IL-Peoria IL- 442 AM CDT Tue Jul 13 2021 ...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHWESTERN MARSHALL AND NORTHEASTERN PEORIA COUNTIES... The heavy rain has ended. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. LAT...LON 4100 8960 4101 8949 4093 8947 4086 8959 $$ NMB
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.