Alert archive / Missouri / Tornado Warnings in 2024

Tornado Warning 72, NWS St. Louis, MO

July 16, 2024Franklin County, Warren County, Missouri

NWS St. Louis, MO issued this tornado warning at Jul 16, 2024, 11:37 AM CDT for Franklin County, Warren County, Missouri. It was in force for 27 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 16, 2024, 11:37 AM CDT (16:37 UTC)
Expired
Jul 16, 2024, 12:04 PM CDT
In force
27 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Observed
Hail
0.75 in

Counties Franklin County, MO, Warren County, MO

The radar

The St Louis radar (KLSX), 42 km from the middle of the area, began a volume at 16:38 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 12:00Z, 4.6 hours before the alert went out and 279 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.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2024-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 675 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2024-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 179 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
675 J/kg
Mixed-layer CIN
-163 J/kg
Mixed-layer LCL
819 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
179 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

Open this sounding in Storm Lab

The text

As transmitted.

015 
WFUS53 KLSX 161637
TORLSX
MOC071-219-161730-
/O.NEW.KLSX.TO.W.0072.240716T1637Z-240716T1730Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
1137 AM CDT Tue Jul 16 2024

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Northwestern Franklin County in east central Missouri...
  Southeastern Warren County in east central Missouri...

* Until 1230 PM CDT.

* At 1137 AM CDT, a tornado producing storm was located over Treloar,
  moving south at 15 mph.

  HAZARD...Damaging tornado.

  SOURCE...Radar confirmed tornado.

  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 storm will be near...
  New Haven around 1145 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3867 9128 3871 9100 3849 9095 3851 9127
TIME...MOT...LOC 1637Z 347DEG 13KT 3864 9118 

TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN

$$

BSH
2 follow-up statements
616 
WWUS53 KLSX 161659
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1159 AM CDT Tue Jul 16 2024

MOC219-161708-
/O.CAN.KLSX.TO.W.0072.000000T0000Z-240716T1730Z/
Warren MO-
1159 AM CDT Tue Jul 16 2024

...THE TORNADO WARNING FOR SOUTHEASTERN WARREN COUNTY IS CANCELLED...

The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

&&

LAT...LON 3867 9128 3867 9127 3865 9123 3862 9123
      3860 9112 3861 9108 3861 9105 3860 9104
      3857 9102 3855 9096 3849 9095 3851 9127
TIME...MOT...LOC 1658Z 347DEG 13KT 3856 9116 

$$

MOC071-161730-
/O.CON.KLSX.TO.W.0072.000000T0000Z-240716T1730Z/
Franklin MO-
1159 AM CDT Tue Jul 16 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR
NORTHWESTERN FRANKLIN COUNTY...

At 1158 AM CDT, a confirmed tornado was located near New Haven,
moving south at 15 mph.

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

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
northwestern Franklin County, including the following locations...
Lyon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 3867 9128 3867 9127 3865 9123 3862 9123
      3860 9112 3861 9108 3861 9105 3860 9104
      3857 9102 3855 9096 3849 9095 3851 9127
TIME...MOT...LOC 1658Z 347DEG 13KT 3856 9116 

TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN

$$

BSH
975 
WWUS53 KLSX 161704
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
1204 PM CDT Tue Jul 16 2024

MOC071-161714-
/O.CAN.KLSX.TO.W.0072.000000T0000Z-240716T1730Z/
Franklin MO-
1204 PM CDT Tue Jul 16 2024

...THE TORNADO WARNING FOR NORTHWESTERN FRANKLIN COUNTY IS
CANCELLED...

The tornadic thunderstorm which prompted the warning has weakened. 
moved out of the warned area. Therefore, the warning has been 
cancelled.

&&

LAT...LON 3867 9128 3867 9127 3865 9123 3862 9123
      3860 9112 3861 9108 3861 9105 3860 9104
      3857 9102 3855 9096 3849 9095 3851 9127
TIME...MOT...LOC 1702Z 347DEG 13KT 3854 9115 

$$

BSH

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 16, 2:17 AM CDTFlood WatchLSXAudrain, Boone, Callaway, Cole, Crawford, Franklin and 19 more29 hr
Jul 16, 6:00 AM CDTSevere Thunderstorm WarningLSXShelby45 min
Jul 16, 6:20 AM CDTAreal Flood AdvisoryLSXMarion, Ralls3 hr
Jul 16, 8:59 AM CDTAreal Flood AdvisoryLSXJefferson, Sainte Genevieve, Saint Francois34 min
Jul 16, 9:14 AM CDTSevere Thunderstorm WarningLSXAudrain, Monroe, Shelby49 min
Jul 16, 9:16 AM CDTRiver Flood WarningLSXJefferson, Saint Louis4 days
Jul 16, 9:33 AM CDTFlash Flood WarningLSXJefferson, Sainte Genevieve, Saint Francois3 hr
Jul 16, 9:47 AM CDTAreal Flood AdvisoryLSXCrawford, Iron, Saint Francois, Washington3 hr
Jul 16, 10:43 AM CDTFlash Flood WarningLSXAudrain, Lincoln, Monroe, Pike, Ralls, Shelby3 hr
Jul 16, 10:51 AM CDTSevere Thunderstorm WarningLSXLincoln, Saint Charles54 min
Jul 16, 11:35 AM CDTFlash Flood WarningLSXLincoln, Saint Charles, Warren3 hr
Jul 16, 11:52 AM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson, Saint Louis38 min
Jul 16, 12:01 PM CDTFlash Flood WarningLSXFranklin, Jefferson, Saint Charles, Saint Louis, Warren, City of Saint Louis3 hr
Jul 16, 12:01 PM CDTTornado WarningLSXJefferson28 min
Jul 16, 12:31 PM CDTFlash Flood WarningLSXSainte Genevieve, Saint Francois, Washington3 hr
Jul 16, 12:49 PM CDTRiver Flood WarningLSXJefferson2 hr
Jul 16, 2:44 PM CDTRiver Flood WarningLSXJefferson15 hr
Jul 16, 3:24 PM CDTRiver Flood WarningLSXSaint Charles12 hr
Jul 16, 5:42 PM CDTRiver Flood WarningLSXSaint Charles4 days

Nearby

Tornado Warnings in Missouri, 2024Every tornado warning in 2024Tornadoes in 2024

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.