Alert archive / Illinois / Tornado Warnings in 2021
Tornado Warning 32, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Oct 24, 2021, 9:08 PM CDT for Randolph County, Illinois. It was in force for 40 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
- Oct 24, 2021, 9:08 PM CDT (02:08 UTC)
- Expired
- Oct 24, 2021, 9:48 PM CDT
- In force
- 40 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Observed
- Damage threat
- Considerable
- Hail
- 0.75 in
County Randolph County, IL
The radar
The St Louis radar (KLSX), 114 km from the middle of the area, began a volume at 02:12 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 |
|---|---|---|---|
| Oct 24, 9:16 PM CDT | TORNADO | Chester, IL | LARGE TREES UPWARDS OF 18 INCHES IN DIAMETER HAVE BEEN UPROOTED. SMALL BOATS HAVE BEEN BLOWN. TIME ESTIMATED FROM RADAR. |
| Oct 24, 9:25 PM CDT | TORNADO | 1 E Bremen, IL | POWER LINES DOWN ALONG ROUTE 150. |
| Oct 24, 9:31 PM CDT | TORNADO | 2 Wnw Steeleville, IL | MACHINE SHED MANGLED AND WIDESPREAD TREE DAMAGE. DEBRIS ALSO ON THE ROAD. |
| Oct 24, 9:45 PM CDT | TSTM WND DMG | Chester, IL | FROM TWITTER: CHESTER HAS LOST ITS FIRE HOUSE. |
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 |
|---|---|---|---|
| Oct 24, 5:44 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 2.1 hours before the alert went out and 269 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
- 3 J/kg
- Mixed-layer CIN
- -286 J/kg
- Mixed-layer LCL
- 585 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 371 m²/s²
- 0-3 km storm-relative helicity
- 467 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.1
The text
As transmitted.
722
WFUS53 KLSX 250208
TORLSX
ILC157-250300-
/O.NEW.KLSX.TO.W.0032.211025T0208Z-211025T0300Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
908 PM CDT Sun Oct 24 2021
The National Weather Service in St Louis has issued a
* Tornado Warning for...
Southeastern Randolph County in southwestern Illinois...
* Until 1000 PM CDT.
* At 908 PM CDT, a confirmed large and extremely dangerous tornado
was located over St. Mary, moving northeast at 35 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...
Chester around 915 PM CDT.
Bremen around 925 PM CDT.
Other locations in the path of this tornadic thunderstorm include
Steeleville and Percy.
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.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3793 8961 3787 8980 3788 8980 3791 8984
3787 8990 3787 8993 3788 8995 3794 8994
3795 8992 3797 8994 3813 8960
TIME...MOT...LOC 0208Z 244DEG 29KT 3790 8992
TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
MAX HAIL SIZE...<.75 IN
$$
Glass2 follow-up statements
158
WWUS53 KLSX 250232
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
932 PM CDT Sun Oct 24 2021
ILC157-250300-
/O.CON.KLSX.TO.W.0032.000000T0000Z-211025T0300Z/
Randolph IL-
932 PM CDT Sun Oct 24 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR EAST
CENTRAL RANDOLPH COUNTY...
At 932 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Steeleville, moving northeast at 35 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Percy.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 3797 8961 3796 8967 3796 8970 3797 8972
3806 8974 3813 8960
TIME...MOT...LOC 0232Z 237DEG 32KT 3801 8969
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Glass895
WWUS53 KLSX 250248
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
948 PM CDT Sun Oct 24 2021
ILC157-250258-
/O.CAN.KLSX.TO.W.0032.000000T0000Z-211025T0300Z/
Randolph IL-
948 PM CDT Sun Oct 24 2021
...THE TORNADO WARNING FOR EAST CENTRAL RANDOLPH COUNTY IS
CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 100 AM CDT for southwestern
Illinois.
LAT...LON 3797 8961 3796 8967 3796 8970 3797 8972
3806 8974 3813 8960
TIME...MOT...LOC 0247Z 244DEG 29KT 3807 8954
$$
GlassThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 24, 7:39 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 51 min |
| Oct 24, 7:59 PM CDT | River Flood Warning | LSX | Brown | 33 hr |
| Oct 24, 8:03 PM CDT | Tornado Warning | LSX | Monroe, Randolph | 42 min |
| Oct 24, 8:27 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Randolph, Saint Clair | 48 min |
| Oct 24, 8:34 PM CDT | Tornado Warning | LSX | Randolph | 41 min |
| Oct 24, 9:00 PM CDT | Tornado Warning | LSX | Clinton, Randolph, Saint Clair, Washington | 45 min |
| Oct 24, 9:08 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Saint Clair | 54 min |
| Oct 24, 9:15 PM CDT | Tornado Warning | LSX | Randolph | 19 min |
| Oct 24, 9:33 PM CDT | Tornado Warning | LSX | Saint Clair | 30 min |
| Oct 24, 9:48 PM CDT | Tornado Warning | LSX | Bond, Clinton, Madison | 42 min |
| Oct 24, 9:58 PM CDT | Tornado Warning | LSX | Marion, Washington | 16 min |
| Oct 24, 10:13 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Fayette, Marion | 62 min |
| Oct 24, 10:40 PM CDT | Severe Thunderstorm Warning | LSX | Fayette, Marion | 26 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.