Alert archive / Missouri / Tornado Warnings in 2021
Tornado Warning 33, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Oct 24, 2021, 9:11 PM CDT for Iron County, Madison County, Missouri. It was in force for 49 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
- Oct 24, 2021, 9:11 PM CDT (02:11 UTC)
- Expired
- Oct 24, 2021, 10:00 PM CDT
- In force
- 49 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Iron County, MO, Madison County, MO
The radar
The St Louis radar (KLSX), 147 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.
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, 2:06 PM CDT | Tornado Watch | SPC | 9 hr |
| Oct 24, 5:44 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 2.2 hours before the alert went out and 288 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
- 1375 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1184 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 168 m²/s²
- 0-3 km storm-relative helicity
- 289 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 10.9
The text
As transmitted.
408
WFUS53 KLSX 250211
TORLSX
MOC093-123-250300-
/O.NEW.KLSX.TO.W.0033.211025T0211Z-211025T0300Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
911 PM CDT Sun Oct 24 2021
The National Weather Service in St Louis has issued a
* Tornado Warning for...
Southeastern Iron County in southeastern Missouri...
Madison County in southeastern Missouri...
* Until 1000 PM CDT.
* At 910 PM CDT, a severe thunderstorm capable of producing a
tornado was located over Annapolis, moving northeast at 35 mph.
Another possible tornado was located north of Saco, 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.
* This dangerous storm will be near...
Saco around 930 PM CDT.
Other locations in the path of this tornadic thunderstorm include
Fredericktown, Cobalt, Junction City and Marquand.
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 3743 9069 3764 9015 3738 9015 3731 9047
3732 9055 3730 9055 3727 9069
TIME...MOT...LOC 0210Z 244DEG 29KT 3735 9068
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Glass3 follow-up statements
293
WWUS53 KLSX 250226
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
926 PM CDT Sun Oct 24 2021
MOC093-250235-
/O.CAN.KLSX.TO.W.0033.000000T0000Z-211025T0300Z/
Iron MO-
926 PM CDT Sun Oct 24 2021
...THE TORNADO WARNING FOR SOUTHEASTERN IRON COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CDT for southeastern
Missouri. A Tornado Watch also remains in effect until 100 AM CDT for
southeastern Missouri.
LAT...LON 3733 9051 3735 9054 3748 9055 3764 9015
3742 9015 3735 9045
TIME...MOT...LOC 0225Z 248DEG 41KT 3742 9046
$$
MOC123-250300-
/O.CON.KLSX.TO.W.0033.000000T0000Z-211025T0300Z/
Madison MO-
926 PM CDT Sun Oct 24 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR CENTRAL
MADISON COUNTY IN SOUTHEASTERN MISSOURI...
At 925 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Saco, moving east at 50 mph. Another possible
tornado was located south of Fredericktown, 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...
Fredericktown, Junction City, Cobalt and Marquand.
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 3733 9051 3735 9054 3748 9055 3764 9015
3742 9015 3735 9045
TIME...MOT...LOC 0225Z 248DEG 41KT 3742 9046
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Glass401
WWUS53 KLSX 250239
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
939 PM CDT Sun Oct 24 2021
MOC123-250300-
/O.CON.KLSX.TO.W.0033.000000T0000Z-211025T0300Z/
Madison MO-
939 PM CDT Sun Oct 24 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR CENTRAL
MADISON COUNTY IN SOUTHEASTERN MISSOURI...
At 939 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Saco, moving east at 20 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Fredericktown, Junction City, Cobalt, Marquand and Saco.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3737 9048 3741 9052 3749 9046 3764 9015
3742 9015 3735 9043
TIME...MOT...LOC 0239Z 251DEG 16KT 3743 9040
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Glass731
WWUS53 KLSX 250300
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
1000 PM CDT Sun Oct 24 2021
MOC123-250310-
/O.EXP.KLSX.TO.W.0033.000000T0000Z-211025T0300Z/
Madison MO-
1000 PM CDT Sun Oct 24 2021
...THE TORNADO WARNING FOR CENTRAL MADISON COUNTY IN SOUTHEASTERN
MISSOURI HAS EXPIRED...
The tornadic thunderstorm which prompted the warning has weakened.
moved out of the warned area. Therefore, the warning has been
allowed to expire.
A Tornado Watch remains in effect until 100 AM CDT for southeastern
Missouri.
LAT...LON 3737 9048 3741 9052 3749 9046 3764 9015
3742 9015 3735 9043
TIME...MOT...LOC 0300Z 244DEG 29KT 3750 9022
$$
GlassThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 24, 7:00 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 34 min |
| Oct 24, 7:03 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Montgomery, Warren | 42 min |
| Oct 24, 7:06 PM CDT | Tornado Warning | LSX | Reynolds | 39 min |
| Oct 24, 7:07 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Franklin, Gasconade, Montgomery, Osage, Warren | 38 min |
| Oct 24, 7:09 PM CDT | Tornado Warning | LSX | Crawford, Iron, Washington | 31 min |
| Oct 24, 7:37 PM CDT | Severe Thunderstorm Warning | LSX | Reynolds | 38 min |
| Oct 24, 7:39 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois, Washington | 51 min |
| Oct 24, 7:48 PM CDT | Tornado Warning | LSX | Iron, Madison, Reynolds, Saint Francois | 27 min |
| Oct 24, 8:03 PM CDT | Tornado Warning | LSX | Sainte Genevieve, Saint Francois | 42 min |
| Oct 24, 8:09 PM CDT | Tornado Warning | LSX | Sainte Genevieve, Saint Francois | 40 min |
| Oct 24, 8:10 PM CDT | Tornado Warning | LSX | Iron, Madison, Reynolds | 50 min |
| Oct 24, 8:23 PM CDT | Tornado Warning | LSX | Iron, Madison, Reynolds | 52 min |
| Oct 24, 8:34 PM CDT | Tornado Warning | LSX | Sainte Genevieve | 41 min |
| Oct 24, 8:48 PM CDT | Tornado Warning | LSX | Madison, Saint Francois | 27 min |
| Oct 24, 9:08 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Saint Louis | 54 min |
| Oct 24, 9:12 PM CDT | Flash Flood Warning | LSX | Iron, Madison | 4 hr |
| Oct 24, 9:37 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Reynolds | 36 min |
| Oct 24, 10:07 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Reynolds | 38 min |
| Oct 24, 10:12 PM CDT | Flash Flood Warning | LSX | Madison | 4 hr |
Nearby
Tornado Warnings in Missouri, 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.