Alert archive / Missouri / Tornado Warnings in 2024

Tornado Warning 70, NWS St. Louis, MO

June 13, 2024Boone County, Missouri

NWS St. Louis, MO issued this tornado warning at Jun 13, 2024, 9:19 PM CDT for Boone County, Missouri. It was in force for 26 min. 3 reports 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
Jun 13, 2024, 9:19 PM CDT (02:19 UTC)
Expired
Jun 13, 2024, 9:45 PM CDT
In force
26 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Boone County, MO

The radar

The St Louis radar (KLSX), 141 km from the middle of the area, began a volume at 02:20 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

TimeReportWhereRemark
Jun 13, 9:36 PM CDTTSTM WND DMGHallsville, MOA tree fell on a moving vehicle on Route B near Highway OO.
Jun 13, 9:36 PM CDTTSTM WND DMGHallsville, MOVia Slack: Large tree with large primary branches snapped from base.
Jun 13, 9:36 PM CDTTSTM WND DMGHallsville, MOFire Dept reports trees down and power out in Hallsville. A tree fell on a house. The occupants are trapped and fire personnel are on the scene.

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.

IssuedProductOfficeLasted
Jun 13, 8:12 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.3 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2024-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1351 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, Springfield, MO at 00:00Z on 2024-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.1939Sfc1 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
1351 J/kg
Mixed-layer CIN
-266 J/kg
Mixed-layer LCL
1594 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
152 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

As transmitted.

243 
WFUS53 KLSX 140219
TORLSX
MOC019-140245-
/O.NEW.KLSX.TO.W.0070.240614T0219Z-240614T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
919 PM CDT Thu Jun 13 2024

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Northeastern Boone County in central Missouri...

* Until 945 PM CDT.

* At 919 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Sturgeon, moving southeast at 30 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...
  Centralia around 925 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 3925 9229 3924 9218 3922 9211 3907 9211
      3906 9213 3903 9214 3915 9236
TIME...MOT...LOC 0219Z 302DEG 28KT 3921 9225 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Kimble
2 follow-up statements
395 
WWUS53 KLSX 140232
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
932 PM CDT Thu Jun 13 2024

MOC019-140245-
/O.CON.KLSX.TO.W.0070.000000T0000Z-240614T0245Z/
Boone MO-
932 PM CDT Thu Jun 13 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR
NORTHEASTERN BOONE COUNTY...

At 931 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Hallsville, moving southeast at 35 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 tornadic thunderstorm will remain over mainly rural areas of
northeastern Boone County.

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 3920 9221 3915 9211 3907 9211 3906 9213
      3903 9214 3912 9231
TIME...MOT...LOC 0231Z 319DEG 30KT 3910 9217 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Kimble
109 
WWUS53 KLSX 140242
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
942 PM CDT Thu Jun 13 2024

MOC019-140252-
/O.EXP.KLSX.TO.W.0070.000000T0000Z-240614T0245Z/
Boone MO-
942 PM CDT Thu Jun 13 2024

...THE TORNADO WARNING FOR NORTHEASTERN BOONE COUNTY WILL EXPIRE AT
945 PM CDT...

The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However, gusty
winds are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 100 AM CDT for
central Missouri.

&&

LAT...LON 3920 9221 3915 9211 3907 9211 3906 9213
      3903 9214 3912 9231
TIME...MOT...LOC 0242Z 311DEG 25KT 3904 9214 

$$

Kimble

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 7:22 PM CDTSevere Thunderstorm WarningLSXMarion, Monroe, Shelby38 min
Jun 13, 7:54 PM CDTSevere Thunderstorm WarningLSXMonroe, Ralls54 min
Jun 13, 8:21 PM CDTSevere Thunderstorm Warning Considerable damage threatLSXMonroe, Ralls27 min
Jun 13, 8:58 PM CDTSevere Thunderstorm WarningLSXAudrain, Boone62 min
Jun 13, 9:26 PM CDTSevere Thunderstorm Warning Considerable damage threatLSXAudrain, Boone, Callaway49 min
Jun 13, 9:33 PM CDTTornado WarningLSXAudrain, Callaway42 min
Jun 13, 10:06 PM CDTSevere Thunderstorm WarningLSXCallaway, Osage17 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.