Alert archive / Illinois / Tornado Warnings in 2021
Tornado Warning 52, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Dec 10, 2021, 8:33 PM CST for Bond County, Madison County, Illinois. It was in force for 42 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
- Dec 10, 2021, 8:33 PM CST (02:33 UTC)
- Expired
- Dec 10, 2021, 9:15 PM CST
- In force
- 42 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Observed
- Damage threat
- Considerable
- Hail
- 1.0 in
Counties Bond County, IL, Madison County, IL
The radar
The St Louis radar (KLSX), 97 km from the middle of the area, began a volume at 02:33 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 |
|---|---|---|---|
| Dec 10, 5:17 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 2.6 hours before the alert went out and 162 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
- 119 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 662 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- 341 m²/s²
- 0-3 km storm-relative helicity
- 357 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
190
WFUS53 KLSX 110233
TORLSX
ILC005-119-110315-
/O.NEW.KLSX.TO.W.0052.211211T0233Z-211211T0315Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
833 PM CST Fri Dec 10 2021
The National Weather Service in St Louis has issued a
* Tornado Warning for...
Bond County in south central Illinois...
Central Madison County in southwestern Illinois...
* Until 915 PM CST.
* At 832 PM CST, a confirmed large and extremely dangerous tornado
was located over Edwardsville, moving east at 55 mph.
This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!
HAZARD...Damaging tornado.
SOURCE...Radar confirmed tornado.
IMPACT...You are in a life-threatening situation. Flying debris
may be deadly to those caught without shelter. Mobile
homes will be destroyed. Considerable damage to homes,
businesses, and vehicles is likely and complete
destruction is possible.
* The tornado will be near...
Worden, Marine and Alhambra around 845 PM CST.
Highland around 850 PM CST.
Other locations in the path of this tornadic thunderstorm include
Pocahontas, Sorento, Reno, Greenville, Woburn and Mulberry Grove.
This includes the following highways...
Interstate 70 in Illinois between exits 21 and 52.
Interstate 55 in Illinois between exits 23 and 33.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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 3866 9005 3884 9011 3900 8964 3900 8959
3902 8959 3903 8956 3903 8925 3900 8925
3899 8926 3885 8926
TIME...MOT...LOC 0232Z 249DEG 48KT 3879 8997
TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
MAX HAIL SIZE...1.00 IN
$$
192 follow-up statements
403
WWUS53 KLSX 110258
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
858 PM CST Fri Dec 10 2021
ILC119-110308-
/O.CAN.KLSX.TO.W.0052.000000T0000Z-211211T0315Z/
Madison IL-
858 PM CST Fri Dec 10 2021
...THE TORNADO WARNING FOR CENTRAL MADISON COUNTY IN SOUTHWESTERN
ILLINOIS IS CANCELLED...
The tornadic thunderstorm which prompted the warning has weakened
moved out of the warned area. Therefore, the warning has been
cancelled.
A Tornado Watch remains in effect until 1100 PM CST for south central
and southwestern Illinois.
LAT...LON 3900 8925 3900 8927 3887 8960 3893 8964
3900 8964 3900 8959 3902 8959 3903 8956
3903 8925
TIME...MOT...LOC 0258Z 239DEG 38KT 3901 8955
$$
ILC005-110315-
/O.CON.KLSX.TO.W.0052.000000T0000Z-211211T0315Z/
Bond IL-
858 PM CST Fri Dec 10 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CST FOR NORTHERN
BOND COUNTY...
At 858 PM CST, a severe thunderstorm capable of producing a tornado
was located over Sorento, moving northeast at 45 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 tornadic thunderstorm will remain over mainly rural areas of
northern Bond County, including the following locations... Panama,
Old Ripley and Donnellson.
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 3900 8925 3900 8927 3887 8960 3893 8964
3900 8964 3900 8959 3902 8959 3903 8956
3903 8925
TIME...MOT...LOC 0258Z 239DEG 38KT 3901 8955
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
19938
WWUS53 KLSX 110311 RRA
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
911 PM CST Fri Dec 10 2021
ILC005-110321-
/O.EXP.KLSX.TO.W.0052.000000T0000Z-211211T0315Z/
Bond IL-
911 PM CST Fri Dec 10 2021
...THE TORNADO WARNING FOR NORTHERN BOND COUNTY WILL EXPIRE AT 915 PM
CST...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 1100 PM CST for south central
and southwestern Illinois.
LAT...LON 3900 8925 3900 8927 3887 8960 3893 8964
3900 8964 3900 8959 3902 8959 3903 8956
3903 8925
TIME...MOT...LOC 0311Z 249DEG 48KT 3907 8935
$$
19The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 6:42 PM CST | Tornado Warning | LSX | Pike | 48 min |
| Dec 10, 7:11 PM CST | Tornado Warning | LSX | Pike | 49 min |
| Dec 10, 7:16 PM CST | Tornado Warning | LSX | Pike | 14 min |
| Dec 10, 7:30 PM CST | Tornado Warning | LSX | Calhoun, Greene, Jersey | 45 min |
| Dec 10, 7:35 PM CST | Tornado Warning | LSX | Calhoun, Jersey | 40 min |
| Dec 10, 7:36 PM CST | Tornado Warning | LSX | Pike | 21 min |
| Dec 10, 8:06 PM CST | Tornado Warning | LSX | Jersey, Macoupin, Madison | 39 min |
| Dec 10, 8:37 PM CST | Tornado Warning | LSX | Macoupin, Madison | 17 min |
| Dec 10, 8:44 PM CST | Tornado Warning | LSX | Fayette, Macoupin, Madison, Montgomery | 46 min |
| Dec 10, 8:56 PM CST | Tornado Warning | LSX | Bond, Fayette, Montgomery | 34 min |
| Dec 10, 9:07 PM CST | Severe Thunderstorm Warning | LSX | Calhoun | 38 min |
| Dec 10, 9:39 PM CST | Tornado Warning | LSX | Macoupin, Madison | 51 min |
| Dec 10, 10:05 PM CST | Severe Thunderstorm Warning | LSX | Madison, Saint Clair | 25 min |
| Dec 10, 10:18 PM CST | Severe Thunderstorm Warning | LSX | Bond, Fayette, Macoupin, Madison, Montgomery | 57 min |
| Dec 10, 10:19 PM CST | Severe Thunderstorm Warning | LSX | Monroe, Randolph, Saint Clair | 41 min |
| Dec 10, 10:26 PM CST | Tornado Warning | LSX | Bond, Fayette, Montgomery | 49 min |
| Dec 10, 10:51 PM CST | Severe Thunderstorm Warning | LSX | Clinton, Saint Clair, Washington | 39 min |
| Dec 10, 11:02 PM CST | Tornado Warning | LSX | Fayette | 29 min |
| Dec 10, 11:10 PM CST | Tornado Warning | LSX | Clinton, Marion, Washington | 50 min |
Nearby
Tornado Warnings in Illinois, 2021Every tornado warning in 2021Tornadoes in 2021
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.