Alert archive / Missouri / Tornado Warnings in 2023
Tornado Warning 23, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Jul 1, 2023, 11:35 PM CDT for Franklin County, Missouri. It was in force for 10 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
- Jul 1, 2023, 11:35 PM CDT (04:35 UTC)
- Expired
- Jul 1, 2023, 11:45 PM CDT
- In force
- 10 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
County Franklin County, MO
The radar
The St Louis radar (KLSX), 43 km from the middle of the area, began a volume at 04:36 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 nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 4.6 hours before the alert went out and 283 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
- 944 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 893 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.9
The text
As transmitted.
641
WFUS53 KLSX 020435
TORLSX
MOC071-020500-
/O.NEW.KLSX.TO.W.0023.230702T0435Z-230702T0500Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
1135 PM CDT Sat Jul 1 2023
The National Weather Service in St Louis has issued a
* Tornado Warning for...
Central Franklin County in east central Missouri...
* Until midnight CDT.
* At 1135 PM CDT, a severe thunderstorm capable of producing a
tornado was located near Beaufort, moving east 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 dangerous storm will be near...
Washington and Union around 1140 PM CDT.
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 3845 9117 3852 9119 3855 9097 3845 9095
TIME...MOT...LOC 0435Z 273DEG 38KT 3849 9111
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
KD1 follow-up statement
362
WWUS53 KLSX 020445
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
1145 PM CDT Sat Jul 1 2023
MOC071-020455-
/O.CAN.KLSX.TO.W.0023.000000T0000Z-230702T0500Z/
Franklin MO-
1145 PM CDT Sat Jul 1 2023
...THE TORNADO WARNING FOR CENTRAL FRANKLIN COUNTY IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.
LAT...LON 3845 9117 3852 9119 3855 9097 3845 9095
TIME...MOT...LOC 0443Z 273DEG 38KT 3848 9097
$$
KDThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 10:14 PM CDT | Severe Thunderstorm Warning | LSX | Cole, Osage | 32 min |
| Jul 1, 11:31 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Saint Charles, Warren | 29 min |
| Jul 1, 11:54 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Saint Charles, Saint Louis | 36 min |
| Jul 2, 12:28 AM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Saint Charles, Saint Louis, City of Saint Louis | 32 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.