Alert archive / Missouri / Tornado Warnings in 2022

Tornado Warning 4, NWS St. Louis, MO

May 19, 2022Saint Charles County, Saint Louis County, City of Saint Louis, Missouri; Madison County, Saint Clair County, Illinois

NWS St. Louis, MO issued this tornado warning at May 19, 2022, 5:16 PM CDT for Saint Charles County, Saint Louis County, City of Saint Louis, Missouri; Madison County, Saint Clair County, Illinois. It was in force for 29 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
May 19, 2022, 5:16 PM CDT (22:16 UTC)
Expired
May 19, 2022, 5:45 PM CDT
In force
29 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Madison County, IL, Saint Clair County, IL, City of Saint Louis, MO, Saint Charles County, MO, Saint Louis County, MO

The radar

The St Louis radar (KLSX), 45 km from the middle of the area, began a volume at 22:21 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
May 19, 5:40 PM CDTTSTM WND DMGGlen Carbon, ILSMALL TO MEDIUM SIZED BRANCHES DOWN ON THE GROUND. TIME ESTIMATED FROM RADAR. TWITTER REPORT.

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
May 19, 4:39 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.3 hours before the alert went out and 211 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 2022-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2022-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1850 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

984 
WFUS53 KLSX 192216
TORLSX
ILC119-163-MOC183-189-510-192245-
/O.NEW.KLSX.TO.W.0004.220519T2216Z-220519T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
516 PM CDT Thu May 19 2022

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Western Madison County in southwestern Illinois...
  Northwestern St. Clair County in southwestern Illinois...
  St. Louis City in east central Missouri...
  East central St. Charles County in east central Missouri...
  Northeastern St. Louis County in east central Missouri...

* Until 545 PM CDT.
    
* At 516 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over St. Louis, moving northeast 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...
  East St. Louis, Northwoods, Washington Park, Hillsdale, Pine Lawn, 
  Velda City, Country Club Hills, Velda Village Hills, Norwood Court 
  and Pasadena Hills around 525 PM CDT.
  Jennings, Venice, Fairmont City, Moline Acres and Flordell Hills 
  around 530 PM CDT.
  Collinsville, Bellefontaine Neighbors, Riverview and Castle Point 
  around 535 PM CDT.

Other locations in the path of this tornadic thunderstorm include St.
Louis, Granite City, Madison, Spanish Lake, Glasgow Village, Alton,
Wood River, Bethalto, Maryville, Pontoon Beach, East Alton, South
Roxana, Roxana, Hartford and Rosewood Heights.

This also includes Scott Joplin Historic Site, Confluence State Park,
and Horseshoe Lake State Park.
 
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 3852 9020 3858 9037 3895 9018 3885 8985
TIME...MOT...LOC 2216Z 206DEG 26KT 3860 9021 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Maples
2 follow-up statements
602 
WWUS53 KLSX 192235
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
535 PM CDT Thu May 19 2022

ILC163-MOC510-192244-
/O.CAN.KLSX.TO.W.0004.000000T0000Z-220519T2245Z/
St. Clair IL-St. Louis City MO-
535 PM CDT Thu May 19 2022

...THE TORNADO WARNING FOR NORTHWESTERN ST. CLAIR  AND ST. LOUIS CITY
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 1100 PM CDT for southwestern
Illinois...and east central Missouri.

LAT...LON 3885 8985 3868 9011 3872 9021 3875 9018
      3877 9017 3877 9018 3875 9019 3873 9022
      3875 9028 3895 9018
TIME...MOT...LOC 2234Z 206DEG 26KT 3872 9013 

$$

ILC119-MOC183-189-192245-
/O.CON.KLSX.TO.W.0004.000000T0000Z-220519T2245Z/
Madison IL-St. Charles MO-St. Louis MO-
535 PM CDT Thu May 19 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR WESTERN
MADISON COUNTY IN SOUTHWESTERN ILLINOIS...EAST CENTRAL ST. CHARLES
AND NORTHEASTERN ST. LOUIS COUNTIES IN EAST CENTRAL MISSOURI...
    
At 534 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Granite City, moving northeast 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.

Locations impacted include...
  Pontoon Beach, South Roxana, Hartford, Alton, Edwardsville, Wood 
  River, East Alton, Roxana, Godfrey, Bethalto and Rosewood Heights.

This also includes Confluence State Park and Horseshoe Lake State
Park.
 
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 3885 8985 3868 9011 3872 9021 3875 9018
      3877 9017 3877 9018 3875 9019 3873 9022
      3875 9028 3895 9018
TIME...MOT...LOC 2234Z 206DEG 26KT 3872 9013 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Maples
662 
WWUS53 KLSX 192236
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
536 PM CDT Thu May 19 2022

MOC189-192246-
/O.CAN.KLSX.TO.W.0004.000000T0000Z-220519T2245Z/
St. Louis MO-
536 PM CDT Thu May 19 2022

...THE TORNADO WARNING FOR NORTHEASTERN ST. LOUIS 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 1100 PM CDT for southwestern
Illinois...and east central Missouri.

LAT...LON 3885 8985 3873 9003 3878 9014 3881 9012
      3883 9014 3883 9016 3882 9017 3882 9019
      3884 9023 3895 9018
TIME...MOT...LOC 2236Z 188DEG 27KT 3887 9016 

$$

ILC119-MOC183-192245-
/O.CON.KLSX.TO.W.0004.000000T0000Z-220519T2245Z/
Madison IL-St. Charles MO-
536 PM CDT Thu May 19 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR WESTERN
MADISON COUNTY IN SOUTHWESTERN ILLINOIS AND EAST CENTRAL ST. CHARLES
COUNTIES IN EAST CENTRAL MISSOURI...
    
At 536 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Alton, moving north 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...
  Alton, Bethalto and Rosewood Heights around 540 PM CDT.
  Godfrey around 545 PM CDT.

This also includes Confluence State Park.
 
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 3885 8985 3873 9003 3878 9014 3881 9012
      3883 9014 3883 9016 3882 9017 3882 9019
      3884 9023 3895 9018
TIME...MOT...LOC 2236Z 188DEG 27KT 3887 9016 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Britt

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 9:48 AM CDTSevere Thunderstorm WarningLSXOsage30 min
May 19, 10:37 AM CDTSevere Thunderstorm WarningLSXFranklin, Gasconade38 min
May 19, 11:00 AM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson, Saint Charles, Saint Louis, Warren45 min
May 19, 11:27 AM CDTSevere Thunderstorm WarningLSXSaint Charles, Saint Louis38 min
May 19, 11:37 AM CDTSevere Thunderstorm WarningLSXSaint Louis, City of Saint Louis38 min
May 19, 2:49 PM CDTSevere Thunderstorm WarningLSXCrawford41 min
May 19, 3:21 PM CDTSevere Thunderstorm Warning Considerable damage threatLSXCrawford, Iron, Reynolds, Washington54 min
May 19, 3:40 PM CDTSevere Thunderstorm Warning Considerable damage threatLSXCrawford, Washington50 min
May 19, 3:44 PM CDTSevere Thunderstorm WarningLSXJefferson34 min
May 19, 4:04 PM CDTSevere Thunderstorm Warning Considerable damage threatLSXCrawford, Franklin, Washington41 min
May 19, 4:09 PM CDTTornado WarningLSXFranklin36 min
May 19, 4:16 PM CDTTornado WarningLSXReynolds44 min
May 19, 4:38 PM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson, Saint Charles, Saint Louis, Warren, City of Saint Louis52 min
May 19, 4:55 PM CDTTornado WarningLSXSaint Charles, Saint Louis35 min
May 19, 5:00 PM CDTSevere Thunderstorm WarningLSXReynolds11 min
May 19, 5:06 PM CDTSevere Thunderstorm WarningLSXJefferson, Sainte Genevieve, Saint Francois39 min
May 19, 5:19 PM CDTTornado WarningLSXSaint Charles, Saint Louis26 min
May 19, 5:44 PM CDTAreal Flood AdvisoryLSXSaint Louis, City of Saint Louis3 hr
May 19, 5:46 PM CDTSevere Thunderstorm WarningLSXSaint Charles44 min
May 19, 1:03 PM CDTSevere Thunderstorm WarningLSXBond, Fayette, Montgomery42 min
May 19, 5:27 PM CDTSevere Thunderstorm WarningLSXClinton, Monroe, Randolph, Saint Clair, Washington63 min
May 19, 6:07 PM CDTTornado WarningLSXBond, Clinton38 min
May 19, 6:12 PM CDTSevere Thunderstorm WarningLSXBond, Fayette, Marion53 min
May 19, 6:17 PM CDTSevere Thunderstorm WarningLSXMacoupin, Montgomery26 min
May 19, 6:26 PM CDTAreal Flood AdvisoryLSXBond, Clinton3 hr
May 19, 6:28 PM CDTTornado WarningLSXBond, Fayette, Montgomery24 min
May 19, 6:32 PM CDTTornado WarningLSXMarion31 min

Nearby

Tornado Warnings in Missouri, 2022Tornado Warnings in Illinois, 2022Every tornado warning in 2022Tornadoes in 2022

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.