Alert archive / Illinois / Flash Flood Warnings in 2023

Flash Flood Warning 2, NWS Lincoln, IL

May 7, 2023McLean County, Tazewell County, Illinois

NWS Lincoln, IL issued this flash flood warning at May 7, 2023, 3:43 AM CDT for McLean County, Tazewell County, Illinois. It was in force for 4 hr. 24 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 7, 2023, 3:43 AM CDT (08:43 UTC)
Expired
May 7, 2023, 7:33 AM CDT
In force
4 hr
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Flood severity
None

Counties McLean County, IL, Tazewell County, IL

The radar

The Lincoln radar (KILX), 46 km from the middle of the area, began a volume at 08:45 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

TimeReportWhereRemark
May 7, 4:19 AM CDTHEAVY RAIN 1.63 E South Pekin, ILMESONET STATION FW1256 PEKIN.
May 7, 4:19 AM CDTHEAVY RAIN 1.63 E South Pekin, ILMESONET STATION FW1256 PEKIN.
May 7, 4:19 AM CDTHEAVY RAIN 2.162 Ese Bloomington, ILMESONET STATION GW0991 BLOOMINGTON.
May 7, 4:19 AM CDTHEAVY RAIN 2.162 Ese Bloomington, ILMESONET STATION GW0991 BLOOMINGTON.
May 7, 5:30 AM CDTFLASH FLOOD2 Ne Shirley, ILSTRINGTOWN ROAD AT RAILROAD UNDERPASS FLOODED.
May 7, 5:30 AM CDTFLASH FLOOD2 Ne Shirley, ILSTRINGTOWN ROAD AT RAILROAD UNDERPASS FLOODED.
May 7, 5:30 AM CDTFLASH FLOODNormal, ILCARS STALLED IN FLOOD WATER AT 500 BLOCK OF NORTH FELL AVENUE.
May 7, 5:30 AM CDTFLASH FLOODNormal, ILCARS STALLED IN FLOOD WATER AT 500 BLOCK OF NORTH FELL AVENUE.
May 7, 6:00 AM CDTHEAVY RAIN 2.422 S Central Illinois Ai, ILCOCORAHS STATION IL-MCL-56 BLOOMINGTON 3.9 ESE.
May 7, 6:00 AM CDTHEAVY RAIN 2.422 S Central Illinois Ai, ILCOCORAHS STATION IL-MCL-56 BLOOMINGTON 3.9 ESE.
May 7, 7:00 AM CDTHEAVY RAIN 1.7Normal, ILCOCORAHS STATION IL-MCL-64 NORMAL 1.2 ESE.
May 7, 7:00 AM CDTHEAVY RAIN 1.7Normal, ILCOCORAHS STATION IL-MCL-64 NORMAL 1.2 ESE.
May 7, 7:00 AM CDTHEAVY RAIN 1.991 Sse Normal, ILCOCORAHS STATION IL-MCL-63 NORMAL 1.7 SE.
May 7, 7:00 AM CDTHEAVY RAIN 1.991 Sse Normal, ILCOCORAHS STATION IL-MCL-63 NORMAL 1.7 SE.
May 7, 7:00 AM CDTHEAVY RAIN 2.13Le Roy, ILCOCORAHS STATION IL-MCL-61 LE ROY 0.2 NNW.
May 7, 7:00 AM CDTHEAVY RAIN 2.13Le Roy, ILCOCORAHS STATION IL-MCL-61 LE ROY 0.2 NNW.
May 7, 7:00 AM CDTHEAVY RAIN 2.43Downs, ILCOCORAHS STATION IL-MCL-70 DOWNS.
May 7, 7:00 AM CDTHEAVY RAIN 2.43Downs, ILCOCORAHS STATION IL-MCL-70 DOWNS.
May 7, 7:00 AM CDTHEAVY RAIN 2.62 Wsw Central Illinois, ILCOCORAHS STATION IL-MCL-48 BLOOMINGTON 1.5 ESE.
May 7, 7:00 AM CDTHEAVY RAIN 2.62 Wsw Central Illinois, ILCOCORAHS STATION IL-MCL-48 BLOOMINGTON 1.5 ESE.
May 7, 7:00 AM CDTHEAVY RAIN 2.651 Ssw Bloomington, ILCOCORAHS STATION IL-MCL-60 BLOOMINGTON 1.6 WSW.
May 7, 7:00 AM CDTHEAVY RAIN 2.651 Ssw Bloomington, ILCOCORAHS STATION IL-MCL-60 BLOOMINGTON 1.6 WSW.
May 7, 7:00 AM CDTHEAVY RAIN 3.053 Sw Bloomington, ILCOCORAHS STATION IL-MCL-50 BLOOMINGTON 3.8 SW.
May 7, 7:00 AM CDTHEAVY RAIN 3.053 Sw Bloomington, ILCOCORAHS STATION IL-MCL-50 BLOOMINGTON 3.8 SW.

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 00:00Z, 8.7 hours before the alert went out and 42 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.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2023-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 536 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2023-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 251 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
536 J/kg
Mixed-layer CIN
-269 J/kg
Mixed-layer LCL
836 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
251 m²/s²
0-3 km storm-relative helicity
363 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

157 
WGUS53 KILX 070843
FFWILX
ILC113-179-071245-
/O.NEW.KILX.FF.W.0002.230507T0843Z-230507T1245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Lincoln IL
343 AM CDT Sun May 7 2023

The National Weather Service in Lincoln has issued a

* Flash Flood Warning for...
  Southern McLean County in central Illinois...
  Southeastern Tazewell County in central Illinois...

* Until 745 AM CDT.

* At 343 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Up to 3 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...
  Bloomington, Pekin, Normal, Morton, Le Roy, Heyworth, Tremont, 
  Mackinaw, Minier, Danvers, South Pekin, Downs, Hopedale, Stanford, 
  Carlock, Dillon, Bellflower, Ellsworth, Shirley and Bloomington 
  Airport.

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 4059 8927 4059 8911 4039 8846 4038 8846
      4028 8847 4028 8848 4028 8851 4029 8881
      4047 8974 4058 8963

FLASH FLOOD...RADAR INDICATED

$$

37
3 follow-up statements
060 
WGUS73 KILX 070940
FFSILX

Flash Flood Statement
National Weather Service Lincoln IL
440 AM CDT Sun May 7 2023

ILC113-179-071245-
/O.CON.KILX.FF.W.0002.000000T0000Z-230507T1245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
McLean IL-Tazewell IL-
440 AM CDT Sun May 7 2023

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 AM CDT THIS 
MORNING FOR SOUTHERN MCLEAN AND EAST CENTRAL TAZEWELL COUNTIES...

At 438 AM CDT, Doppler radar indicated 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...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...
  Bloomington, Normal, Morton, Le Roy, Tremont, Mackinaw, Minier, 
  Danvers, Downs, Stanford, Carlock, Dillon, Bellflower, Shirley, 
  Bloomington Airport, Holder and Moraine View State Park.

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 4059 8927 4059 8911 4035 8847 4028 8847
      4028 8848 4028 8852 4028 8854 4028 8855
      4029 8881 4042 8919 4048 8961 4054 8959

FLASH FLOOD...RADAR INDICATED

$$

37
575 
WGUS73 KILX 071042
FFSILX

Flash Flood Statement
National Weather Service Lincoln IL
542 AM CDT Sun May 7 2023

ILC113-179-071245-
/O.CON.KILX.FF.W.0002.000000T0000Z-230507T1245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
McLean IL-Tazewell IL-
542 AM CDT Sun May 7 2023

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 AM CDT THIS 
MORNING FOR SOUTHERN MCLEAN AND EAST CENTRAL TAZEWELL COUNTIES...

At 541 AM CDT, trained weather spotters reported flooding on 
Stringtown Road northeast of Shirley. Between 2 and 3 inches of rain 
have fallen. Flash flooding is already occurring.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Trained spotters reported.

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...
  Bloomington, Normal, Morton, Le Roy, Tremont, Mackinaw, Minier, 
  Danvers, Downs, Stanford, Carlock, Dillon, Bellflower, Shirley, 
  Bloomington Airport, Holder and Moraine View State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 4059 8927 4059 8911 4035 8847 4028 8847
      4028 8848 4028 8852 4028 8854 4028 8855
      4029 8881 4042 8919 4048 8961 4054 8959

FLASH FLOOD...OBSERVED

$$

37
785 
WGUS73 KILX 071233
FFSILX

Flash Flood Statement
National Weather Service Lincoln IL
733 AM CDT Sun May 7 2023

ILC113-179-071243-
/O.CAN.KILX.FF.W.0002.000000T0000Z-230507T1245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
McLean IL-Tazewell IL-
733 AM CDT Sun May 7 2023

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHERN MCLEAN AND EAST 
CENTRAL TAZEWELL COUNTIES...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

LAT...LON 4059 8927 4059 8911 4035 8847 4028 8847
      4028 8848 4028 8852 4028 8854 4028 8855
      4029 8881 4042 8919 4048 8961 4054 8959

$$

Auten

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 6, 7:06 PM CDTSpecial Weather StatementILXMcLean24 min
May 6, 10:45 PM CDTSevere Thunderstorm WarningILXFulton, Knox, Mason, Schuyler45 min
May 6, 11:26 PM CDTSevere Thunderstorm WarningILXFulton, Mason, Peoria, Tazewell49 min
May 6, 11:43 PM CDTSevere Thunderstorm WarningILXMarshall, Peoria, Woodford47 min
May 6, 11:51 PM CDTSevere Thunderstorm WarningILXLogan, Mason, Tazewell24 min
May 6, 11:58 PM CDTSevere Thunderstorm WarningILXCass, Schuyler32 min
May 7, 12:08 AM CDTSevere Thunderstorm WarningILXDeWitt, Logan, McLean, Tazewell, Woodford52 min
May 7, 12:26 AM CDTSevere Thunderstorm WarningILXCass, Mason, Menard, Sangamon34 min
May 7, 12:52 AM CDTSpecial Weather StatementILXDeWitt38 min
May 7, 1:00 AM CDTSpecial Weather StatementILXLogan, Macon45 min
May 7, 1:32 AM CDTSpecial Weather StatementILXChampaign, Vermilion28 min
May 7, 1:55 AM CDTSpecial Weather StatementILXColes, Douglas, Edgar, Vermilion35 min
May 7, 2:08 AM CDTSevere Thunderstorm WarningILXPeoria, Tazewell, Woodford37 min
May 7, 2:14 AM CDTSpecial Weather StatementILXMcLean31 min
May 7, 2:33 AM CDTSevere Thunderstorm WarningILXFulton27 min
May 7, 2:52 AM CDTSpecial Weather StatementILXMcLean23 min
May 7, 2:58 AM CDTSpecial Weather StatementILXFulton32 min
May 7, 3:08 AM CDTSevere Thunderstorm WarningILXMcLean20 min
May 7, 3:26 AM CDTSpecial Weather StatementILXTazewell34 min
May 7, 3:45 AM CDTSpecial Weather StatementILXChampaign30 min
May 7, 4:13 AM CDTFlash Flood WarningILXChampaign, Piatt4 hr
May 7, 4:19 AM CDTSpecial Weather StatementILXDouglas, Edgar41 min
May 7, 5:00 AM CDTSpecial Weather StatementILXColes, Douglas, Edgar30 min
May 7, 5:04 AM CDTSpecial Weather StatementILXMenard26 min
May 7, 5:13 AM CDTSpecial Weather StatementILXMoultrie17 min
May 7, 5:30 AM CDTSevere Thunderstorm WarningILXChristian, Clark, Coles, Cumberland, Edgar, Moultrie and 1 more26 min
May 7, 5:48 AM CDTSevere Thunderstorm WarningILXCrawford, Effingham, Jasper27 min
May 7, 2:37 PM CDTSevere Thunderstorm WarningILXSangamon38 min
May 7, 3:12 PM CDTTornado WarningILXSangamon33 min
May 7, 3:21 PM CDTFlash Flood WarningILXSangamon3 hr
May 7, 3:41 PM CDTSevere Thunderstorm WarningILXChristian, Sangamon49 min
May 7, 4:05 PM CDTSevere Thunderstorm WarningILXSangamon25 min
May 7, 4:15 PM CDTSevere Thunderstorm WarningILXClay, Richland33 min
May 7, 4:24 PM CDTSevere Thunderstorm WarningILXFulton, Schuyler66 min
May 7, 4:30 PM CDTSevere Thunderstorm WarningILXSangamon45 min
May 7, 4:32 PM CDTSevere Thunderstorm WarningILXChristian58 min
May 7, 4:54 PM CDTFlash Flood WarningILXSangamon3 hr
May 7, 4:59 PM CDTSevere Thunderstorm WarningILXMorgan, Sangamon31 min
May 7, 5:06 PM CDTSevere Thunderstorm WarningILXChristian, Sangamon24 min
May 7, 5:09 PM CDTSevere Thunderstorm WarningILXCass, Mason, Menard36 min
May 7, 5:11 PM CDTSevere Thunderstorm Warning Considerable damage threatILXShelby23 min
May 7, 5:20 PM CDTSevere Thunderstorm WarningILXCass, Menard, Morgan, Sangamon25 min
May 7, 5:26 PM CDTSevere Thunderstorm WarningILXChristian, Sangamon34 min
May 7, 5:31 PM CDTSevere Thunderstorm WarningILXMorgan, Sangamon18 min
May 7, 5:52 PM CDTFlash Flood WarningILXFulton, Mason, Schuyler3 hr
May 7, 6:16 PM CDTSevere Thunderstorm WarningILXChristian48 min
May 7, 6:41 PM CDTSevere Thunderstorm WarningILXFulton, Mason, Schuyler49 min
May 7, 6:49 PM CDTSevere Thunderstorm WarningILXFulton41 min

Nearby

Flash Flood Warnings in Illinois, 2023Every flash flood warning in 2023

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.