Alert archive / Missouri / Tornado Warnings in 2019

Tornado Warning 32, NWS St. Louis, MO

May 23, 2019Lincoln County, Saint Charles County, Warren County, Missouri

NWS St. Louis, MO issued this tornado warning at May 23, 2019, 1:14 AM CDT for Lincoln County, Saint Charles County, Warren County, Missouri. It was in force for 33 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
May 23, 2019, 1:14 AM CDT (06:14 UTC)
Expired
May 23, 2019, 1:47 AM CDT
In force
33 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Lincoln County, MO, Saint Charles County, MO, Warren County, MO

The radar

The St Louis radar (KLSX), 44 km from the middle of the area, began a volume at 06:16 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.

IssuedProductOfficeLasted
May 22, 10:26 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 6.2 hours before the alert went out and 268 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 00:00Z on 2019-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 53 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 00:00Z on 2019-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 206 square meters per square second.19395878Sfc1 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
53 J/kg
Mixed-layer CIN
-161 J/kg
Mixed-layer LCL
1625 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
206 m²/s²
0-3 km storm-relative helicity
283 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

274 
WFUS53 KLSX 230614
TORLSX
MOC113-183-219-230700-
/O.NEW.KLSX.TO.W.0032.190523T0614Z-190523T0700Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
114 AM CDT Thu May 23 2019

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  West central St. Charles County in east central Missouri...
  Southwestern Lincoln County in east central Missouri...
  Warren County in east central Missouri...

* Until 200 AM CDT.
    
* At 114 AM CDT, a severe thunderstorm capable of producing a tornado
  was located near Jonesburg, moving east 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...
  Warrenton and Truesdale around 125 AM CDT.
  Innsbrook around 135 AM CDT.
  Wright City around 140 AM CDT.
  Moscow Mills around 150 AM CDT.
  Wentzville around 200 AM CDT.

Other locations impacted by this tornadic thunderstorm include
Holstein, Foristell and Flint Hill.

This includes Interstate 70 in Missouri between exits 188 and 208.
 
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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3884 9127 3885 9126 3897 9126 3901 9086
      3862 9087 3865 9123 3866 9126 3869 9129
TIME...MOT...LOC 0614Z 261DEG 26KT 3882 9124 

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

$$

Tilly
2 follow-up statements
413 
WWUS53 KLSX 230629
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
129 AM CDT Thu May 23 2019

MOC113-183-219-230700-
/O.CON.KLSX.TO.W.0032.000000T0000Z-190523T0700Z/
St. Charles MO-Lincoln MO-Warren MO-
129 AM CDT Thu May 23 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 AM CDT FOR WEST
CENTRAL ST. CHARLES...SOUTHWESTERN LINCOLN AND EASTERN WARREN
COUNTIES...
    
At 129 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Truesdale, moving east at 35 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...
  Wright City around 140 AM CDT.
  New Melle around 150 AM CDT.
  Wentzville around 155 AM CDT.

Other locations impacted by this tornadic thunderstorm include
Holstein, Foristell and Flint Hill.

This includes Interstate 70 in Missouri between exits 193 and 208.
 
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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3885 9119 3898 9114 3901 9086 3862 9087
      3865 9123 3871 9123
TIME...MOT...LOC 0629Z 269DEG 31KT 3878 9111 

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

$$

Tilly
336 
WWUS53 KLSX 230647
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
147 AM CDT Thu May 23 2019

MOC113-183-219-230656-
/O.CAN.KLSX.TO.W.0032.000000T0000Z-190523T0700Z/
St. Charles MO-Lincoln MO-Warren MO-
147 AM CDT Thu May 23 2019

...THE TORNADO WARNING FOR WEST CENTRAL ST. CHARLES...SOUTHWESTERN
LINCOLN AND EASTERN WARREN COUNTIES 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 500 AM CDT for east central
Missouri.

Remember, a Tornado Warning still remains in effect for St. Charles 
County until 230 AM CDT.

LAT...LON 3885 9119 3898 9114 3901 9086 3862 9087
      3865 9123 3871 9123
TIME...MOT...LOC 0645Z 261DEG 26KT 3880 9095 

$$

Tilly

The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 7:45 PM CDTSevere Thunderstorm WarningLSXKnox, Lewis, Marion, Shelby45 min
May 22, 7:54 PM CDTSevere Thunderstorm WarningLSXLewis36 min
May 22, 8:14 PM CDTTornado Warning Tornado observedLSXLewis16 min
May 22, 8:23 PM CDTSevere Thunderstorm WarningLSXLewis, Marion52 min
May 22, 8:30 PM CDTTornado WarningLSXLewis, Marion30 min
May 22, 8:32 PM CDTSevere Thunderstorm WarningLSXAudrain, Monroe73 min
May 22, 8:55 PM CDTSevere Thunderstorm WarningLSXAudrain, Boone50 min
May 22, 9:01 PM CDTSevere Thunderstorm WarningLSXLewis29 min
May 22, 9:10 PM CDTTornado WarningLSXBoone50 min
May 22, 9:18 PM CDTSevere Thunderstorm WarningLSXBoone, Cole, Moniteau57 min
May 22, 9:20 PM CDTSevere Thunderstorm WarningLSXPike, Ralls48 min
May 22, 9:37 PM CDTTornado Warning Tornado observedLSXAudrain, Callaway, Montgomery53 min
May 22, 10:12 PM CDTSevere Thunderstorm WarningLSXAudrain, Monroe, Pike, Ralls63 min
May 22, 10:14 PM CDTFlash Flood WarningLSXMonroe, Ralls6 hr
May 22, 10:17 PM CDTSevere Thunderstorm WarningLSXAudrain, Callaway, Montgomery, Pike43 min
May 22, 10:22 PM CDTTornado WarningLSXPike, Ralls27 min
May 22, 10:51 PM CDTSevere Thunderstorm WarningLSXCole, Moniteau54 min
May 22, 10:55 PM CDTSevere Thunderstorm WarningLSXAudrain, Callaway, Lincoln, Montgomery, Pike, Warren50 min
May 22, 11:08 PM CDTTornado Warning Tornado observedLSXCole52 min
May 22, 11:36 PM CDTSevere Thunderstorm WarningLSXFranklin, Gasconade, Warren39 min
May 22, 11:43 PM CDTTornado Warning EmergencyTornado observedCatastrophic damage threatLSXCallaway, Cole, Osage47 min
May 22, 11:55 PM CDTSevere Thunderstorm WarningLSXLincoln, Saint Charles35 min
May 23, 12:10 AM CDTTornado WarningLSXCallaway, Osage35 min
May 23, 12:32 AM CDTSevere Thunderstorm WarningLSXGasconade, Montgomery, Warren58 min
May 23, 12:52 AM CDTTornado WarningLSXMontgomery, Warren38 min
May 23, 1:39 AM CDTTornado WarningLSXSaint Charles33 min
May 23, 2:07 AM CDTSevere Thunderstorm WarningLSXSaint Charles, Saint Louis38 min
May 23, 2:54 AM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson, Saint Charles, Saint Louis, City of Saint Louis51 min
May 23, 3:41 AM CDTSevere Thunderstorm WarningLSXJefferson, Saint Louis, City of Saint Louis49 min
May 23, 4:37 AM CDTAreal Flood WarningLSXJefferson, Saint Louis, City of Saint Louis3 hr
May 23, 9:48 AM CDTRiver Flood WarningLSXLincoln30 hr

Nearby

Tornado Warnings in Missouri, 2019Every tornado warning in 2019Tornadoes in 2019

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.