Alert archive / Illinois / Tornado Warnings in 2024
Tornado Warning 38, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Apr 18, 2024, 6:10 PM CDT for 5 counties in Illinois. It was in force for 65 min. 8 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
- Apr 18, 2024, 6:10 PM CDT (23:10 UTC)
- Expired
- Apr 18, 2024, 7:15 PM CDT
- In force
- 65 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Bond County, IL, Clinton County, IL, Madison County, IL, Saint Clair County, IL, Washington County, IL
The radar
The St Louis radar (KLSX), 101 km from the middle of the area, began a volume at 23:09 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 18, 6:14 PM CDT | TSTM WND DMG | Marine, IL | Corrects previous tornado report from Marine. Corrects previous tstm wnd dmg report from Marine. trees down, trees in houses, and powerlines down. |
| Apr 18, 6:14 PM CDT | TORNADO | Marine, IL | Corrects previous tstm wnd dmg report from Marine. trees down, trees in houses, and powerlines down. NWS survey team determined the damage was from a EF0 tornado. Maximum winds of 80 mph. |
| Apr 18, 6:15 PM CDT | TSTM WND DMG | Marine, IL | trees down, trees in houses, and powerlines down. |
| Apr 18, 6:18 PM CDT | TSTM WND DMG | 1 E O'Fallon, IL | Report from mPING: 3-inch tree limbs broken; Power poles broken. |
| Apr 18, 6:18 PM CDT | TSTM WND DMG | 2 Wnw New Douglas, IL | Photo of a tree snapped in half at Rustic Acres Jellystone Park from social media. |
| Apr 18, 6:18 PM CDT | TSTM WND DMG | New Douglas, IL | power poles down. |
| Apr 18, 6:55 PM CDT | TSTM WND DMG | 1 Ene Okawville, IL | Tree debris was found off of I-64 at the Okawville exit. Time estimated from radar. |
| Apr 18, 6:55 PM CDT | HAIL 1.25 | Okawville, IL |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 18, 12:56 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.2 hours before the alert went out and 173 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1827 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 269 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
922
WFUS53 KLSX 182310
TORLSX
ILC005-027-119-163-189-190015-
/O.NEW.KLSX.TO.W.0038.240418T2310Z-240419T0015Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
610 PM CDT Thu Apr 18 2024
The National Weather Service in St Louis has issued a
* Tornado Warning for...
Clinton County in south central Illinois...
Bond County in south central Illinois...
Eastern Madison County in southwestern Illinois...
Northern Washington County in south central Illinois...
Northeastern St. Clair County in southwestern Illinois...
* Until 715 PM CDT.
* At 610 PM CDT, severe thunderstorms capable of producing both
tornadoes and extensive straight line wind damage were located
along a line extending from Livingston to near O'Fallon to near
Millstadt, 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.
* These dangerous storms will be near...
Belleville, O'Fallon, Swansea, Shiloh, Highland, Mascoutah,
Lebanon, Freeburg, Scott AFB, and Smithton around 615 PM CDT.
Trenton and Sorento around 620 PM CDT.
New Baden, Aviston, Pocahontas, and Reno around 625 PM CDT.
St. Rose, Albers, Jamestown, and New Memphis around 630 PM CDT.
Other locations in the path of these tornadic storms include
Greenville, Breese, Germantown, Woburn, Okawville, Beckemeyer, Beaver
Creek, Carlyle, Mulberry Grove, Tamalco and Boulder.
This also includes Carlyle Lake Recreational Area.
This includes the following highways...
Interstate 70 in Illinois between exits 24 and 52.
Interstate 64 in Illinois between exits 12 and 41.
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 3839 8915 3840 8999 3865 9001 3865 8976
3889 8983 3892 8971 3900 8970 3900 8959
3903 8959 3903 8925 3898 8926 3874 8925
3874 8914
TIME...MOT...LOC 2310Z 265DEG 39KT 3899 8977 3863 8992 3844 9006
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
CVKING3 follow-up statements
804
WWUS53 KLSX 182338
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
638 PM CDT Thu Apr 18 2024
ILC119-182348-
/O.CAN.KLSX.TO.W.0038.000000T0000Z-240419T0015Z/
Madison IL-
638 PM CDT Thu Apr 18 2024
...THE TORNADO WARNING FOR EASTERN MADISON COUNTY IN SOUTHWESTERN
ILLINOIS IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
south central and southwestern Illinois.
&&
LAT...LON 3839 8915 3840 8997 3859 8976 3865 8959
3882 8956 3893 8954 3900 8957 3903 8957
3903 8925 3898 8926 3874 8925 3874 8914
TIME...MOT...LOC 2338Z 265DEG 39KT 3901 8940 3866 8955 3847 8969
$$
ILC005-027-163-189-190015-
/O.CON.KLSX.TO.W.0038.000000T0000Z-240419T0015Z/
Clinton IL-Bond IL-Washington IL-St. Clair IL-
638 PM CDT Thu Apr 18 2024
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
CLINTON...BOND...NORTHERN WASHINGTON AND EAST CENTRAL ST. CLAIR
COUNTIES...
At 638 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located along a
line extending from near Woburn to St. Rose to New Memphis, 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.
Locations impacted include...
Greenville, Breese, Carlyle, Okawville, Germantown, Beckemeyer,
Mulberry Grove, Beaver Creek, Woburn, Tamalco, Boulder, Shattuc,
Centralia, Wamac and Irvington.
This also includes Carlyle Lake Recreational Area.
This includes the following highways...
Interstate 70 in Illinois between exits 36 and 52.
Interstate 64 in Illinois between exits 27 and 41.
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 3839 8915 3840 8997 3859 8976 3865 8959
3882 8956 3893 8954 3900 8957 3903 8957
3903 8925 3898 8926 3874 8925 3874 8914
TIME...MOT...LOC 2338Z 265DEG 39KT 3901 8940 3866 8955 3847 8969
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
CVKING796
WWUS53 KLSX 182347
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
647 PM CDT Thu Apr 18 2024
ILC163-182357-
/O.CAN.KLSX.TO.W.0038.000000T0000Z-240419T0015Z/
St. Clair IL-
647 PM CDT Thu Apr 18 2024
...THE TORNADO WARNING FOR EAST CENTRAL ST. CLAIR COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
south central Illinois.
&&
LAT...LON 3839 8915 3840 8970 3861 8969 3865 8959
3878 8949 3887 8943 3897 8939 3903 8939
3903 8925 3898 8926 3874 8925 3874 8914
TIME...MOT...LOC 2347Z 265DEG 37KT 3902 8930 3893 8928 3881 8936 3867
8949 3842 8965
$$
ILC005-027-189-190015-
/O.CON.KLSX.TO.W.0038.000000T0000Z-240419T0015Z/
Clinton IL-Bond IL-Washington IL-
647 PM CDT Thu Apr 18 2024
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
CLINTON...EASTERN BOND AND NORTHERN WASHINGTON COUNTIES...
At 647 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located along a
line extending from Van Burensburg to Mulberry Grove to near Beaver
Creek to near St. Rose to near New Memphis, moving east at 40 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...
Greenville, Breese, New Baden, Carlyle, Centralia, Trenton, Aviston,
Okawville, St. Rose, Germantown, Albers, Wamac, Beckemeyer,
Irvington, Mulberry Grove, Tamalco, Beaver Creek, Woburn, New
Memphis, and Boulder.
This also includes Carlyle Lake Recreational Area.
This includes the following highways...
Interstate 70 in Illinois between exits 45 and 52.
Interstate 64 in Illinois between exits 34 and 41.
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 3839 8915 3840 8970 3861 8969 3865 8959
3878 8949 3887 8943 3897 8939 3903 8939
3903 8925 3898 8926 3874 8925 3874 8914
TIME...MOT...LOC 2347Z 265DEG 37KT 3902 8930 3893 8928 3881 8936 3867
8949 3842 8965
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
CVKING272
WWUS53 KLSX 190000
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
700 PM CDT Thu Apr 18 2024
ILC005-190010-
/O.CAN.KLSX.TO.W.0038.000000T0000Z-240419T0015Z/
Bond IL-
700 PM CDT Thu Apr 18 2024
...THE TORNADO WARNING FOR EASTERN BOND COUNTY IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 PM CDT for
south central Illinois.
&&
LAT...LON 3839 8915 3840 8956 3865 8955 3870 8942
3874 8925 3874 8914
TIME...MOT...LOC 0000Z 257DEG 44KT 3863 8946 3854 8943 3842 8945
$$
ILC027-189-190015-
/O.CON.KLSX.TO.W.0038.000000T0000Z-240419T0015Z/
Clinton IL-Washington IL-
700 PM CDT Thu Apr 18 2024
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR CLINTON
AND NORTHEASTERN WASHINGTON COUNTIES...
At 700 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located along a
line extending from near Beckemeyer to 6 miles southwest of Carlyle
to near Okawville, moving east at 50 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...
Breese, Carlyle, Centralia, Okawville, Germantown, Wamac, Beckemeyer,
Irvington, Boulder, Shattuc, Bartelso, Hoyleton, Hoffman, Covington,
Richview, Addieville, New Minden, Huey, Huegely, and Frogtown.
This also includes Carlyle Lake Recreational Area.
This includes Interstate 64 in Illinois near exit 41.
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 3839 8915 3840 8956 3865 8955 3870 8942
3874 8925 3874 8914
TIME...MOT...LOC 0000Z 257DEG 44KT 3863 8946 3854 8943 3842 8945
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
CVKINGThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 3:23 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Pike | 52 min |
| Apr 18, 3:49 PM CDT | Tornado Warning | LSX | Pike | 26 min |
| Apr 18, 4:03 PM CDT | Severe Thunderstorm Warning | LSX | Greene | 57 min |
| Apr 18, 4:16 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 44 min |
| Apr 18, 4:25 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene | 50 min |
| Apr 18, 4:40 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun | 50 min |
| Apr 18, 4:47 PM CDT | Severe Thunderstorm Warning | LSX | Macoupin | 58 min |
| Apr 18, 4:48 PM CDT | Tornado Warning | LSX | Calhoun | 42 min |
| Apr 18, 4:52 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey | 38 min |
| Apr 18, 5:01 PM CDT | Tornado Warning | LSX | Greene, Macoupin | 29 min |
| Apr 18, 5:07 PM CDT | Tornado Warning | LSX | Greene, Jersey | 23 min |
| Apr 18, 5:18 PM CDT | Severe Thunderstorm Warning | LSX | Jersey, Madison | 27 min |
| Apr 18, 5:25 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 65 min |
| Apr 18, 5:26 PM CDT | Tornado Warning | LSX | Macoupin | 34 min |
| Apr 18, 5:30 PM CDT | Severe Thunderstorm Warning | LSX | Greene, Jersey, Macoupin | 60 min |
| Apr 18, 5:34 PM CDT | Tornado Warning | LSX | Greene, Jersey, Macoupin | 26 min |
| Apr 18, 5:37 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 53 min |
| Apr 18, 5:39 PM CDT | Severe Thunderstorm Warning | LSX | Madison, Monroe, Saint Clair | 66 min |
| Apr 18, 5:45 PM CDT | Tornado Warning | LSX | Macoupin, Montgomery | 45 min |
| Apr 18, 5:45 PM CDT | Tornado Warning | LSX | Madison | 45 min |
| Apr 18, 5:49 PM CDT | Tornado Warning | LSX | Monroe, Saint Clair | 41 min |
| Apr 18, 5:53 PM CDT | Areal Flood Advisory | LSX | Greene, Macoupin | 2 hr |
| Apr 18, 5:56 PM CDT | Tornado Warning | LSX | Macoupin, Madison | 49 min |
| Apr 18, 5:59 PM CDT | Tornado Warning | LSX | Macoupin | 31 min |
| Apr 18, 6:13 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Randolph, Saint Clair, Washington | 77 min |
| Apr 18, 6:14 PM CDT | Tornado Warning | LSX | Montgomery | 46 min |
| Apr 18, 6:34 PM CDT | Tornado Warning | LSX | Monroe, Randolph | 41 min |
| Apr 18, 6:41 PM CDT | Tornado Warning | LSX | Fayette | 49 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.