Alert archive / Missouri / Tornado Warnings in 2021
Tornado Warning 23, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Oct 24, 2021, 7:09 PM CDT for Crawford County, Iron County, Washington County, Missouri. It was in force for 31 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, 7:09 PM CDT (00:09 UTC)
- Expired
- Oct 24, 2021, 7:40 PM CDT
- In force
- 31 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Crawford County, MO, Iron County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 110 km from the middle of the area, began a volume at 00:09 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.
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 |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 0.2 hours before the alert went out and 259 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
- 1534 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 846 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 296 m²/s²
- 0-3 km storm-relative helicity
- 317 m²/s²
- Significant tornado parameter
- 2.8
- Supercell composite
- 12.3
The text
As transmitted.
077
WFUS53 KLSX 250009
TORLSX
MOC055-093-221-250100-
/O.NEW.KLSX.TO.W.0023.211025T0009Z-211025T0100Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
709 PM CDT Sun Oct 24 2021
The National Weather Service in St Louis has issued a
* Tornado Warning for...
Southeastern Crawford County in east central Missouri...
Northwestern Iron County in southeastern Missouri...
Southern Washington County in east central Missouri...
* Until 800 PM CDT.
* At 709 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Viburnum, moving northeast 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.
* This tornadic thunderstorm will remain over mainly rural areas of
southeastern Crawford, northwestern Iron and southern Washington
Counties, including the following locations... Shirley.
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 3766 9114 3769 9116 3770 9115 3770 9116
3776 9119 3802 9096 3786 9071
TIME...MOT...LOC 0009Z 222DEG 42KT 3774 9111
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Glass3 follow-up statements
367
WWUS53 KLSX 250016
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
716 PM CDT Sun Oct 24 2021
MOC055-093-250026-
/O.CAN.KLSX.TO.W.0023.000000T0000Z-211025T0100Z/
Crawford MO-Iron MO-
716 PM CDT Sun Oct 24 2021
...THE TORNADO WARNING FOR SOUTHEASTERN CRAWFORD AND NORTHWESTERN
IRON COUNTIES IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CDT for east central
Missouri.
LAT...LON 3786 9107 3802 9096 3786 9071 3774 9097
3774 9110
TIME...MOT...LOC 0016Z 223DEG 40KT 3778 9104
$$
MOC221-250100-
/O.CON.KLSX.TO.W.0023.000000T0000Z-211025T0100Z/
Washington MO-
716 PM CDT Sun Oct 24 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR SOUTHERN
WASHINGTON COUNTY...
At 716 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Courtois, moving northeast 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...
Courtois and Shirley.
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 3786 9107 3802 9096 3786 9071 3774 9097
3774 9110
TIME...MOT...LOC 0016Z 223DEG 40KT 3778 9104
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Glass406
WWUS53 KLSX 250029
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
729 PM CDT Sun Oct 24 2021
MOC221-250100-
/O.CON.KLSX.TO.W.0023.000000T0000Z-211025T0100Z/
Washington MO-
729 PM CDT Sun Oct 24 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM CDT FOR
SOUTHEASTERN WASHINGTON COUNTY...
At 729 PM CDT, a severe thunderstorm capable of producing a tornado
was located 8 miles southwest of Potosi, moving northeast at 50 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Shirley.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3788 9098 3797 9088 3786 9071 3776 9092
3781 9100
TIME...MOT...LOC 0029Z 230DEG 43KT 3783 9087
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Glass402
WWUS53 KLSX 250040
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
740 PM CDT Sun Oct 24 2021
MOC221-250050-
/O.CAN.KLSX.TO.W.0023.000000T0000Z-211025T0100Z/
Washington MO-
740 PM CDT Sun Oct 24 2021
...THE TORNADO WARNING FOR SOUTHEASTERN WASHINGTON 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 1000 PM CDT for east central
Missouri.
LAT...LON 3788 9098 3797 9088 3786 9071 3776 9092
3781 9100
TIME...MOT...LOC 0039Z 222DEG 42KT 3793 9076
$$
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, 7:37 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, 9:11 PM CDT | Tornado Warning | LSX | Iron, Madison | 49 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.