Alert archive / Illinois / Tornado Warnings in 2024

Tornado Warning 59, NWS St. Louis, MO

May 24, 2024Montgomery County, Illinois

NWS St. Louis, MO issued this tornado warning at May 24, 2024, 1:22 PM CDT for Montgomery County, Illinois. It was in force for 23 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
May 24, 2024, 1:22 PM CDT (18:22 UTC)
Expired
May 24, 2024, 1:45 PM CDT
In force
23 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Montgomery County, IL

The radar

The St Louis radar (KLSX), 107 km from the middle of the area, began a volume at 18:22 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, 6.4 hours before the alert went out and 141 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 12:00Z on 2024-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1248 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 12:00Z on 2024-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
1248 J/kg
Mixed-layer CIN
-105 J/kg
Mixed-layer LCL
876 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
81 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

106 
WFUS53 KLSX 241822
TORLSX
ILC135-241845-
/O.NEW.KLSX.TO.W.0059.240524T1822Z-240524T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
122 PM CDT Fri May 24 2024

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Southwestern Montgomery County in south central Illinois...

* Until 145 PM CDT.

* At 122 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Taylor Springs, moving northwest at 5 mph.

  HAZARD...Tornado.

  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 tornadic thunderstorm will remain over mainly rural areas of
  southwestern Montgomery County.

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 3910 8948 3906 8958 3911 8970 3922 8958
TIME...MOT...LOC 1822Z 128DEG 6KT 3911 8957 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Pfahler
2 follow-up statements
052 
WWUS53 KLSX 241835
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
135 PM CDT Fri May 24 2024

ILC135-241845-
/O.CON.KLSX.TO.W.0059.000000T0000Z-240524T1845Z/
Montgomery IL-
135 PM CDT Fri May 24 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM CDT FOR
SOUTHWESTERN MONTGOMERY COUNTY...

At 135 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Litchfield, moving northwest at 25 mph.

HAZARD...Tornado.

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.

Locations impacted include...
Litchfield and Taylor Springs.

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 3913 8950 3910 8957 3914 8967 3922 8958
TIME...MOT...LOC 1835Z 142DEG 22KT 3917 8960 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Pfahler
992 
WWUS53 KLSX 241842
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
142 PM CDT Fri May 24 2024

ILC135-241851-
/O.EXP.KLSX.TO.W.0059.000000T0000Z-240524T1845Z/
Montgomery IL-
142 PM CDT Fri May 24 2024

...THE TORNADO WARNING FOR SOUTHWESTERN MONTGOMERY COUNTY WILL EXPIRE
AT 145 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.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
St Louis.

&&

LAT...LON 3913 8950 3910 8957 3914 8967 3922 8958
TIME...MOT...LOC 1841Z 128DEG 6KT 3917 8961 

$$

Pfahler

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 12:22 PM CDTRiver Flood WarningLSXPike25 days
May 24, 12:22 PM CDTRiver Flood WarningLSXCalhoun26 days
May 24, 12:22 PM CDTRiver Flood WarningLSXPike21 days
May 24, 12:22 PM CDTRiver Flood WarningLSXPike17 days
May 24, 12:37 PM CDTSevere Thunderstorm WarningLSXJersey27 min
May 24, 1:00 PM CDTSevere Thunderstorm WarningLSXGreene30 min
May 24, 1:13 PM CDTSevere Thunderstorm WarningLSXMacoupin, Montgomery47 min
May 24, 1:47 PM CDTFlash Flood WarningLSXMacoupin, Montgomery8 hr
May 24, 1:49 PM CDTSevere Thunderstorm WarningLSXCalhoun, Greene, Pike24 min
May 24, 2:16 PM CDTSevere Thunderstorm WarningLSXGreene, Pike44 min
May 24, 2:41 PM CDTAreal Flood AdvisoryLSXGreene, Jersey, Macoupin32 min
May 24, 2:53 PM CDTSevere Thunderstorm WarningLSXCalhoun, Greene, Pike52 min
May 24, 3:13 PM CDTFlash Flood WarningLSXGreene, Jersey, Macoupin6 hr
May 24, 3:41 PM CDTAreal Flood AdvisoryLSXCalhoun, Greene, Macoupin, Pike3 hr
May 24, 3:41 PM CDTSevere Thunderstorm WarningLSXBrown, Pike49 min
May 24, 4:25 PM CDTSevere Thunderstorm WarningLSXMacoupin, Montgomery50 min
May 24, 4:30 PM CDTFlash Flood WarningLSXCalhoun, Greene, Pike6 hr
May 24, 4:43 PM CDTSevere Thunderstorm WarningLSXCalhoun, Greene, Jersey47 min
May 24, 5:11 PM CDTSevere Thunderstorm WarningLSXCalhoun, Pike49 min
May 24, 5:24 PM CDTSevere Thunderstorm WarningLSXJersey, Macoupin, Madison51 min
May 24, 5:34 PM CDTFlash Flood WarningLSXCalhoun, Greene, Jersey, Macoupin6 hr
May 24, 5:36 PM CDTSevere Thunderstorm WarningLSXMacoupin, Montgomery39 min
May 24, 5:48 PM CDTFlash Flood WarningLSXCalhoun3 hr
May 24, 6:03 PM CDTSevere Thunderstorm WarningLSXMacoupin, Madison20 min
May 24, 6:05 PM CDTSevere Thunderstorm WarningLSXCalhoun, Greene, Jersey40 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.