Alert archive / Illinois / Tornado Warnings in 2024

Tornado Warning 6, NWS St. Louis, MO

March 14, 2024Montgomery County, Illinois

NWS St. Louis, MO issued this tornado warning at Mar 14, 2024, 8:15 AM CDT for Montgomery County, Illinois. It was in force for 11 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: Mar 14, 2024, 8:15 AM CDT (13:15 UTC)
Expired: Mar 14, 2024, 8:26 AM CDT
In force: 11 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 Lincoln radar (KILX), 80 km from the middle of the area, began a volume at 13:20 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 watch it was issued in

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

Issued	Product	Office	Lasted
Mar 14, 4:41 AM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 1.3 hours before the alert went out and 116 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 461 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 856 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted.

957 
WFUS53 KLSX 141315
TORLSX
ILC135-141345-
/O.NEW.KLSX.TO.W.0006.240314T1315Z-240314T1345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
815 AM CDT Thu Mar 14 2024

The National Weather Service in St Louis has issued a

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

* Until 845 AM CDT.

* At 815 AM CDT, a severe thunderstorm capable of producing a tornado
  was located near Farmersville, moving east at 45 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 dangerous storm will be near...
  Farmersville around 820 AM CDT.

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 3940 8969 3952 8969 3953 8962 3952 8953
      3942 8953
TIME...MOT...LOC 1315Z 253DEG 37KT 3939 8968 

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

$$

Byrd

1 follow-up statement

437 
WWUS53 KLSX 141326
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
826 AM CDT Thu Mar 14 2024

ILC135-141335-
/O.CAN.KLSX.TO.W.0006.000000T0000Z-240314T1345Z/
Montgomery IL-
826 AM CDT Thu Mar 14 2024

...THE TORNADO WARNING FOR NORTHWESTERN MONTGOMERY COUNTY IS
CANCELLED...

The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

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

&&

LAT...LON 3940 8969 3952 8969 3953 8962 3952 8953
      3942 8953
TIME...MOT...LOC 1324Z 253DEG 37KT 3942 8954 

$$

Byrd

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 13, 7:24 PM CDT	Severe Thunderstorm Warning	LSX	Madison	51 min
Mar 13, 8:13 PM CDT	Severe Thunderstorm Warning	LSX	Madison	47 min
Mar 14, 2:40 AM CDT	Severe Thunderstorm Warning	LSX	Adams	50 min
Mar 14, 7:25 AM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Greene, Jersey, Macoupin, Madison, Montgomery	50 min
Mar 14, 7:28 AM CDT	Tornado Warning	LSX	Calhoun, Jersey, Madison	22 min
Mar 14, 7:32 AM CDT	Tornado Warning	LSX	Jersey	20 min
Mar 14, 7:33 AM CDT	Tornado Warning	LSX	Madison	27 min
Mar 14, 7:47 AM CDT	Severe Thunderstorm Warning	LSX	Madison, Monroe, Saint Clair	43 min
Mar 14, 7:48 AM CDT	Tornado Warning	LSX	Jersey, Macoupin	29 min
Mar 14, 7:59 AM CDT	Tornado Warning	LSX	Macoupin, Montgomery	30 min
Mar 14, 8:10 AM CDT	Severe Thunderstorm Warning	LSX	Bond, Fayette, Macoupin, Madison, Montgomery	50 min
Mar 14, 8:19 AM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Fayette, Madison, Saint Clair	41 min
Mar 14, 3:43 PM CDT	Severe Thunderstorm Warning	LSX	Pike	14 min
Mar 14, 3:51 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Pike	39 min
Mar 14, 3:57 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Monroe	63 min
Mar 14, 4:11 PM CDT	Tornado Warning	LSX	Calhoun	41 min
Mar 14, 4:16 PM CDT	Severe Thunderstorm Warning	LSX	Clinton, Saint Clair, Washington	44 min
Mar 14, 4:18 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun	34 min
Mar 14, 4:21 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Greene, Jersey	54 min
Mar 14, 4:21 PM CDT	Tornado Warning	LSX	Monroe	39 min
Mar 14, 4:25 PM CDT	Severe Thunderstorm Warning	LSX	Madison, Saint Clair	65 min
Mar 14, 4:32 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Monroe, Saint Clair	25 min
Mar 14, 4:46 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Macoupin, Madison	59 min
Mar 14, 4:47 PM CDT	Tornado Warning	LSX	Macoupin, Montgomery	27 min
Mar 14, 4:50 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Monroe, Randolph, Saint Clair	40 min
Mar 14, 4:58 PM CDT	Tornado Warning	LSX	Monroe, Randolph, Saint Clair	46 min
Mar 14, 5:07 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Bond, Fayette, Montgomery	53 min
Mar 14, 5:10 PM CDT	Severe Thunderstorm Warning	LSX	Macoupin, Montgomery	65 min
Mar 14, 5:17 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Saint Clair	43 min
Mar 14, 5:25 PM CDT	Severe Thunderstorm Warning	LSX	Madison	50 min
Mar 14, 5:28 PM CDT	Tornado Warning	LSX	Saint Clair, Washington	47 min
Mar 14, 5:36 PM CDT	Areal Flood Advisory	LSX	Monroe, Saint Clair	3 hr
Mar 14, 5:38 PM CDT	Areal Flood Advisory	LSX	Bond, Madison	25 min
Mar 14, 5:40 PM CDT	Severe Thunderstorm Warning	LSX	Madison, Saint Clair	50 min
Mar 14, 5:42 PM CDT	Severe Thunderstorm Warning	LSX	Madison	32 min
Mar 14, 5:44 PM CDT	Severe Thunderstorm Warning	LSX	Montgomery	41 min
Mar 14, 5:54 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Fayette	51 min
Mar 14, 5:55 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun	50 min
Mar 14, 6:00 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Saint Clair	30 min
Mar 14, 6:03 PM CDT	Flash Flood Warning	LSX	Bond, Madison	3 hr
Mar 14, 6:08 PM CDT	Severe Thunderstorm Warning	LSX	Fayette, Montgomery	18 min
Mar 14, 6:08 PM CDT	Severe Thunderstorm Warning	LSX	Monroe	21 min
Mar 14, 6:09 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Calhoun, Jersey	51 min
Mar 14, 6:16 PM CDT	Severe Thunderstorm Warning	LSX	Washington	27 min
Mar 14, 6:26 PM CDT	Severe Thunderstorm Warning	LSX	Clinton, Monroe, Saint Clair, Washington	64 min
Mar 14, 6:37 PM CDT	Areal Flood Advisory	LSX	Monroe, Saint Clair	3 hr
Mar 14, 6:42 PM CDT	Severe Thunderstorm Warning	LSX	Madison	27 min
Mar 14, 6:47 PM CDT	Tornado Warning	LSX	Fayette, Marion	28 min

Nearby

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