Alert archive / Illinois / Tornado Warnings in 2024

Tornado Warning 75, NWS St. Louis, MO

July 29, 2024Fayette County, Marion County, Illinois

NWS St. Louis, MO issued this tornado warning at Jul 29, 2024, 8:52 PM CDT for Fayette County, Marion County, Illinois. It was in force for 38 min. 4 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
Jul 29, 2024, 8:52 PM CDT (01:52 UTC)
Expired
Jul 29, 2024, 9:30 PM CDT
In force
38 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Fayette County, IL, Marion County, IL

The radar

The Evansville,IN radar (KVWX), 128 km from the middle of the area, began a volume at 01:53 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
Jul 29, 9:00 PM CDTTSTM WND DMG2 E Patoka, ILMinor tree limb damage reported.
Jul 29, 9:13 PM CDTTSTM WND GST 531 S Alma, ILhome anemometer.
Jul 29, 9:15 PM CDTTSTM WND DMGOdin, ILsmall tree limbs snapped. time estimated from radar.
Jul 29, 9:19 PM CDTTSTM WND DMG1 N Selmaville, ILBusiness lost its roof on west side of town at intersection of US 50 and Selmaville Road.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 29, 7:48 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.9 hours before the alert went out and 160 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 2024-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2206 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 2024-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
2206 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
831 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
116 m²/s²
Significant tornado parameter
0.9
Supercell composite
5.8

Open this sounding in Storm Lab

The text

As transmitted.

105 
WFUS53 KLSX 300152
TORLSX
ILC051-121-300230-
/O.NEW.KLSX.TO.W.0075.240730T0152Z-240730T0230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
852 PM CDT Mon Jul 29 2024

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Northwestern Marion County in south central Illinois...
  South central Fayette County in south central Illinois...

* Until 930 PM CDT.

* At 852 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Shobonier, moving southeast at 20 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Patoka around 855 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Salem.

This includes Interstate 57 in Illinois near exit 127.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3882 8915 3888 8901 3869 8880 3857 8912
TIME...MOT...LOC 0152Z 327DEG 19KT 3881 8906 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Pfahler
2 follow-up statements
055 
WWUS53 KLSX 300206
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
906 PM CDT Mon Jul 29 2024

ILC051-300216-
/O.CAN.KLSX.TO.W.0075.000000T0000Z-240730T0230Z/
Fayette IL-
906 PM CDT Mon Jul 29 2024

...THE TORNADO WARNING FOR SOUTH CENTRAL FAYETTE COUNTY IS
CANCELLED...

The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
south central Illinois.

&&

LAT...LON 3860 8904 3876 8910 3883 8898 3882 8895
      3869 8880
TIME...MOT...LOC 0206Z 336DEG 23KT 3873 8901 

$$

ILC121-300230-
/O.CON.KLSX.TO.W.0075.000000T0000Z-240730T0230Z/
Marion IL-
906 PM CDT Mon Jul 29 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR
NORTHWESTERN MARION COUNTY...

At 906 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Patoka, moving southeast at 25 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Salem around 910 PM CDT.

This includes Interstate 57 in Illinois near exit 127.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3860 8904 3876 8910 3883 8898 3882 8895
      3869 8880
TIME...MOT...LOC 0206Z 336DEG 23KT 3873 8901 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Pfahler
136 
WWUS53 KLSX 300221
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
921 PM CDT Mon Jul 29 2024

ILC121-300231-
/O.EXP.KLSX.TO.W.0075.000000T0000Z-240730T0230Z/
Marion IL-
921 PM CDT Mon Jul 29 2024

...THE TORNADO WARNING FOR NORTHWESTERN MARION COUNTY WILL EXPIRE AT
930 PM CDT...

The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
south central Illinois.

&&

LAT...LON 3860 8904 3876 8910 3883 8898 3882 8895
      3869 8880
TIME...MOT...LOC 0221Z 327DEG 19KT 3867 8896 

$$

Pfahler

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 29, 7:41 PM CDTSevere Thunderstorm WarningLSXFayette, Montgomery49 min
Jul 29, 8:09 PM CDTSevere Thunderstorm WarningLSXBond, Fayette51 min
Jul 29, 8:11 PM CDTSevere Thunderstorm WarningLSXBond, Macoupin, Madison49 min
Jul 29, 8:27 PM CDTSevere Thunderstorm WarningLSXBond32 min
Jul 29, 8:44 PM CDTSevere Thunderstorm WarningLSXClinton, Marion61 min
Jul 29, 8:50 PM CDTTornado WarningLSXBond, Madison27 min
Jul 29, 9:16 PM CDTSevere Thunderstorm WarningLSXBond, Clinton, Madison59 min
Jul 29, 9:17 PM CDTFlash Flood WarningLSXFayette3 hr
Jul 29, 10:00 PM CDTAreal Flood AdvisoryLSXBond, Clinton, Madison57 min
Jul 29, 10:33 PM CDTSevere Thunderstorm WarningLSXClinton, Washington42 min
Jul 29, 10:57 PM CDTFlash Flood WarningLSXBond, Clinton, Madison4 hr
Jul 29, 11:38 PM CDTAreal Flood AdvisoryLSXMadison4 hr
Jul 29, 11:50 PM CDTAreal Flood AdvisoryLSXClinton, Saint Clair, Washington4 hr
Jul 30, 6:20 AM CDTSevere Thunderstorm WarningLSXAdams, Brown40 min
Jul 30, 6:42 AM CDTRiver Flood WarningLSXClinton7 hr
Jul 30, 4:20 PM CDTSevere Thunderstorm WarningLSXBond, Fayette, Montgomery55 min
Jul 30, 4:24 PM CDTAreal Flood AdvisoryLSXFayette, Montgomery3 hr
Jul 30, 5:01 PM CDTSevere Thunderstorm WarningLSXMarion16 min

Nearby

Tornado Warnings in Illinois, 2024Every tornado warning in 2024Tornadoes in 2024

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.