Alert archive / Missouri / Tornado Warnings in 2023
Tornado Warning 1, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Feb 22, 2023, 12:24 PM CST for Franklin County, Saint Charles County, Warren County, Missouri. It was in force for 51 min. 1 report 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
- Feb 22, 2023, 12:24 PM CST (18:24 UTC)
- Expired
- Feb 22, 2023, 1:15 PM CST
- In force
- 51 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Franklin County, MO, Saint Charles County, MO, Warren County, MO
The radar
The St Louis radar (KLSX), 43 km from the middle of the area, began a volume at 18:29 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 |
|---|---|---|---|
| Feb 22, 1:04 PM CST | TSTM WND GST 70 | 1 Sw Wentzville, MO | YARD FURNITURE TOSSED. |
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 |
|---|---|---|---|
| Feb 22, 12:20 PM CST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 6.4 hours before the alert went out and 267 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
- 774 m above ground
- 0-6 km bulk shear
- 84 kt
- 0-1 km storm-relative helicity
- 653 m²/s²
- 0-3 km storm-relative helicity
- 724 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted.
418
WFUS53 KLSX 221824
TORLSX
MOC071-183-219-221915-
/O.NEW.KLSX.TO.W.0001.230222T1824Z-230222T1915Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
1224 PM CST Wed Feb 22 2023
The National Weather Service in St Louis has issued a
* Tornado Warning for...
West central St. Charles County in east central Missouri...
Northwestern Franklin County in east central Missouri...
Warren County in east central Missouri...
* Until 115 PM CST.
* At 1223 PM CST, severe thunderstorms capable of producing both
tornadoes and extensive straight line wind damage were located near
Hermann, moving northeast 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.
* These dangerous storms will be near...
Treloar around 1235 PM CST.
Other locations in the path of this tornadic thunderstorm include
Warrenton, Truesdale, Innsbrook, Wright City, New Melle and
Wentzville.
This includes Interstate 70 in Missouri between exits 188 and 209.
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.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 3884 9127 3886 9126 3887 9096 3889 9095
3889 9090 3888 9088 3873 9080 3859 9135
3866 9137 3870 9137 3870 9138 3885 9142
TIME...MOT...LOC 1823Z 244DEG 35KT 3866 9132
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
MRB3 follow-up statements
262
WWUS53 KLSX 221832
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
1232 PM CST Wed Feb 22 2023
MOC071-221841-
/O.CAN.KLSX.TO.W.0001.000000T0000Z-230222T1915Z/
Franklin MO-
1232 PM CST Wed Feb 22 2023
...THE TORNADO WARNING FOR NORTHWESTERN FRANKLIN COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 600 PM CST for east central
Missouri.
LAT...LON 3886 9126 3887 9096 3889 9095 3889 9090
3888 9088 3873 9080 3862 9122 3884 9130
3884 9127
TIME...MOT...LOC 1831Z 241DEG 39KT 3871 9121
$$
MOC183-219-221915-
/O.CON.KLSX.TO.W.0001.000000T0000Z-230222T1915Z/
St. Charles MO-Warren MO-
1232 PM CST Wed Feb 22 2023
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CST FOR WEST
CENTRAL ST. CHARLES AND SOUTHEASTERN WARREN COUNTIES...
At 1231 PM CST, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Treloar, 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.
These dangerous storms will be near...
Warrenton and Truesdale around 1240 PM CST.
Other locations in the path of this tornadic thunderstorm include
Innsbrook, Wright City and Wentzville.
This includes Interstate 70 in Missouri between exits 188 and 209.
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.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 3886 9126 3887 9096 3889 9095 3889 9090
3888 9088 3873 9080 3862 9122 3884 9130
3884 9127
TIME...MOT...LOC 1831Z 241DEG 39KT 3871 9121
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
MRB019
WWUS53 KLSX 221845
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
1245 PM CST Wed Feb 22 2023
MOC183-219-221915-
/O.CON.KLSX.TO.W.0001.000000T0000Z-230222T1915Z/
St. Charles MO-Warren MO-
1245 PM CST Wed Feb 22 2023
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CST FOR WEST
CENTRAL ST. CHARLES AND EAST CENTRAL WARREN COUNTIES...
At 1245 PM CST, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located over
Innsbrook, moving northeast at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Wentzville.
This includes Interstate 70 in Missouri between exits 193 and 209.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 3887 9096 3889 9095 3889 9090 3888 9088
3873 9080 3871 9109 3886 9116
TIME...MOT...LOC 1845Z 245DEG 36KT 3877 9106
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
MRB748
WWUS53 KLSX 221854
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
1254 PM CST Wed Feb 22 2023
MOC183-219-221915-
/O.CON.KLSX.TO.W.0001.000000T0000Z-230222T1915Z/
St. Charles MO-Warren MO-
1254 PM CST Wed Feb 22 2023
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM CST FOR WEST
CENTRAL ST. CHARLES AND EAST CENTRAL WARREN COUNTIES...
At 1254 PM CST, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located over
mainly rural areas of western Warren County, moving northeast 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...
Wentzville, Wright City, Flint Hill and Foristell.
This includes Interstate 70 in Missouri between exits 203 and 209.
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.
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 3887 9096 3889 9095 3889 9090 3888 9088
3873 9080 3876 9099 3886 9103
TIME...MOT...LOC 1854Z 244DEG 35KT 3881 9096
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
MRBThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 22, 7:18 AM CST | Severe Thunderstorm Warning | LSX | Lincoln, Saint Charles, Warren | 32 min |
| Feb 22, 7:41 AM CST | Severe Thunderstorm Warning | LSX | Lincoln, Saint Charles | 34 min |
| Feb 22, 11:58 AM CST | Severe Thunderstorm Warning | LSX | Audrain, Callaway, Franklin, Gasconade, Lincoln, Montgomery and 3 more | 62 min |
| Feb 22, 12:08 PM CST | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Washington | 67 min |
| Feb 22, 12:34 PM CST | Tornado Warning | LSX | Lincoln, Montgomery, Warren | 56 min |
| Feb 22, 12:41 PM CST | Severe Thunderstorm Warning | LSX | Lincoln, Saint Charles | 64 min |
| Feb 22, 1:03 PM CST | Tornado Warning | LSX | Saint Charles | 27 min |
| Feb 22, 1:53 PM CST | Severe Thunderstorm Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois | 52 min |
| Feb 22, 1:57 PM CST | Severe Thunderstorm Warning | LSX | Saint Charles | 63 min |
Nearby
Tornado Warnings in Missouri, 2023Every tornado warning in 2023Tornadoes in 2023
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.