Alert archive / Missouri / Tornado Warnings in 2022

Tornado Warning 3, NWS St. Louis, MO

May 19, 2022Saint Charles County, Saint Louis County, Missouri

NWS St. Louis, MO issued this tornado warning at May 19, 2022, 4:55 PM CDT for Saint Charles County, Saint Louis County, Missouri. It was in force for 35 min. 18 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: May 19, 2022, 4:55 PM CDT (21:55 UTC)
Expired: May 19, 2022, 5:30 PM CDT
In force: 35 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Saint Charles County, MO, Saint Louis County, MO

The radar

The St Louis radar (KLSX), 19 km from the middle of the area, began a volume at 21:58 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

Time	Report	Where	Remark
May 19, 4:58 PM CDT	TSTM WND DMG	1 E Kirkwood, MO	3 VERY LARGE TREES COMPLETELY UPROOTED. TIME ESTIMATED FROM RADAR.
May 19, 4:58 PM CDT	TSTM WND DMG	1 Ese Manchester, MO	VIA TWITTER WITH PICTURE: TREE DAMAGE AT LA MARITE AND LA BONNE PKWY.
May 19, 4:58 PM CDT	TSTM WND DMG	1 Sw Kirkwood, MO	MEDIUM SIZED TREE DOWN. TIME ESTIMATED FROM RADAR. TWITTER REPORT.
May 19, 4:58 PM CDT	TORNADO	1 W Glendale, MO	NWS SURVEY TEAM FOUND EF0 DAMAGE FROM A TORNADO THAT FORMED NEAR KIRKWOOD AND MOVED NORTHEASTWARD BEFORE DISSIPATING NEAR BRENTWOOD. MOSTLY TREE DAMAGE WAS OBSERVED ALONG ITS PATH, WITH SOME HOME DAMAGE OCCURRING DUE TO TREES FALLING ON THEM.
May 19, 5:03 PM CDT	TORNADO	Frontenac, MO	CORRECTS PREVIOUS TSTM WND DMG REPORT FROM FRONTENAC. VIA TWITTER WITH PICTURE INCLUDED: LARGE TREE FALLEN OFF GEYER LN.
May 19, 5:04 PM CDT	TORNADO	1 Nne Frontenac, MO	CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 1 NNE FRONTENAC. TREE DOWN ON HOUSE. TIME ESTIMATED FROM RADAR.
May 19, 5:06 PM CDT	TSTM WND DMG	1 Nne Frontenac, MO	TREE DOWN ON HOUSE. TIME ESTIMATED FROM RADAR.
May 19, 5:06 PM CDT	TSTM WND DMG	1 Wsw Olivette, MO	TREE FELL ON TO A HOUSE. TIME ESTIMATED FROM RADAR.
May 19, 5:06 PM CDT	TSTM WND DMG	2 Nw Creve Coeur, MO	TREE DAMAGE AT MASON AND OLIVE. TIME ESTIMATED FROM RADAR.
May 19, 5:06 PM CDT	TSTM WND DMG	2 W Creve Coeur, MO	VIA TWITTER WITH PICTURE INCLUDED: TREES DOWN AND OUTAGES IN THE AREA.
May 19, 5:06 PM CDT	TSTM WND DMG	Frontenac, MO	VIA TWITTER WITH PICTURE INCLUDED: LARGE TREE FALLEN OFF GEYER LN.
May 19, 5:07 PM CDT	TSTM WND DMG	2 Sse Maryland Heights, MO	NEWS REPORT SHOWS TREES DOWN NEAR PARKWAY NORTH HIGH SCHOOL.
May 19, 5:07 PM CDT	TSTM WND DMG	Olivette, MO	REPORT OF MULTIPLE TREES DOWN ACROSS THE AREA AROUND DIELMAN AND OLD BONHOMME RD.
May 19, 5:07 PM CDT	TORNADO	3 S Maryland Heights, MO	BRIEF EF0 TORNADO JUST NORTHWEST OF CREVE COEUR WHICH DAMAGED POWER POLES AND TREES. A FEW TREE LIMBS FELL ON HOMES ALONG TRACK AS WELL.
May 19, 5:10 PM CDT	TSTM WND DMG	2 Se Olivette, MO	LARGE TREE DOWN. LADUE RD BETWEEN MCKNIGHT AND PRICE RDS.
May 19, 5:12 PM CDT	TSTM WND DMG	2 S Maryland Heights, MO	LARGE BRANCHES DOWN AT INTERSECTION OF FEE FEE RD AND SEVEN PINES DR.
May 19, 5:13 PM CDT	TSTM WND DMG	Saint John, MO	UPROOTED TREE IN ENDICOT PARK. TIME ESTIMATED FROM RADAR. TWITTER REPORT.
May 19, 5:15 PM CDT	TSTM WND DMG	1 Se Bel-Ridge, MO	7 FOOT DIAMETER TREE LIMB DOWN AS WELL AS SEVERAL SMALLER ONES. 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.

Issued	Product	Office	Lasted
May 19, 4:39 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.9 hours before the alert went out and 233 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

167 
WFUS53 KLSX 192155
TORLSX
MOC183-189-192230-
/O.NEW.KLSX.TO.W.0003.220519T2155Z-220519T2230Z/

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

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Central St. Charles County in east central Missouri...
  Central St. Louis County in east central Missouri...

* Until 530 PM CDT.
    
* At 455 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Ellisville, moving north at 40 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...
  Kirkwood, Clarkson Valley and Spirit of St. Louis Airport around 
  500 PM CDT.
  Town and Country, Des Peres, Frontenac, Warson Woods, Crystal Lake 
  Park, Huntleigh, Westwood and Country Life Acres around 505 PM 
  CDT.
  St. Peters, Chesterfield, Creve Coeur, Ladue, Olivette and Weldon 
  Spring around 510 PM CDT.
  Maryland Heights, Overland, St. Ann, St. John, Woodson Terrace, 
  Lambert-St. Louis International Airport, Breckenridge Hills, 
  Edmundson, Champ and Harvester around 515 PM CDT.

Other locations in the path of this tornadic thunderstorm include St.
Charles, Hazelwood, Bridgeton, Berkeley and Florissant.

This also includes Route 66 State Park, Castlewood State Park, and
First Missouri State Capitol Historic Site.
 
This includes the following highways...
 Interstate 44 in Missouri between exits 269 and 277.
 Interstate 70 in Missouri between exits 224 and 231.

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 3850 9043 3851 9070 3887 9059 3882 9026
TIME...MOT...LOC 2155Z 195DEG 36KT 3856 9056 

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

$$

Britt

2 follow-up statements

980 
WWUS53 KLSX 192208
SVSLSX

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

MOC183-189-192230-
/O.CON.KLSX.TO.W.0003.000000T0000Z-220519T2230Z/
St. Charles MO-St. Louis MO-
508 PM CDT Thu May 19 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CDT FOR CENTRAL
ST. CHARLES AND CENTRAL ST. LOUIS COUNTIES...
        
At 508 PM CDT, a confirmed tornado was located near Ladue, moving 
north at 50 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 tornado will be near...
  Hazelwood and Calverton Park around 515 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Florissant and Black Jack.

This also includes Route 66 State Park, Castlewood State Park, and
First Missouri State Capitol Historic Site.
 
This includes the following highways...
 Interstate 44 in Missouri between exits 269 and 277.
 Interstate 70 in Missouri between exits 224 and 231.

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 3850 9043 3851 9070 3887 9059 3882 9026
TIME...MOT...LOC 2208Z 199DEG 43KT 3869 9036 

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

$$

Britt

994 
WWUS53 KLSX 192227
SVSLSX

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

MOC183-189-192234-
/O.EXP.KLSX.TO.W.0003.000000T0000Z-220519T2230Z/
St. Charles MO-St. Louis MO-
527 PM CDT Thu May 19 2022

...THE TORNADO WARNING FOR CENTRAL ST. CHARLES AND CENTRAL ST. LOUIS
COUNTIES WILL EXPIRE AT 530 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 700 PM CDT for east central
Missouri. A Tornado Watch also remains in effect until 1100 PM CDT
for east central Missouri.

Remember, a Tornado Warning still remains in effect for northeastern 
St. Louis County and east central St. Charles County until 545 pm. 

LAT...LON 3850 9043 3851 9070 3887 9059 3882 9026
TIME...MOT...LOC 2224Z 195DEG 36KT 3882 9032 

$$

Britt

The office that day

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

Issued	Product	Office	Counties	Lasted
May 19, 9:48 AM CDT	Severe Thunderstorm Warning	LSX	Osage	30 min
May 19, 10:37 AM CDT	Severe Thunderstorm Warning	LSX	Franklin, Gasconade	38 min
May 19, 11:00 AM CDT	Severe Thunderstorm Warning	LSX	Franklin, Jefferson, Saint Charles, Saint Louis, Warren	45 min
May 19, 11:27 AM CDT	Severe Thunderstorm Warning	LSX	Saint Charles, Saint Louis	38 min
May 19, 11:37 AM CDT	Severe Thunderstorm Warning	LSX	Saint Louis, City of Saint Louis	38 min
May 19, 2:49 PM CDT	Severe Thunderstorm Warning	LSX	Crawford	41 min
May 19, 3:21 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Crawford, Iron, Reynolds, Washington	54 min
May 19, 3:40 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Crawford, Washington	50 min
May 19, 3:44 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson	34 min
May 19, 4:04 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Crawford, Franklin, Washington	41 min
May 19, 4:09 PM CDT	Tornado Warning	LSX	Franklin	36 min
May 19, 4:16 PM CDT	Tornado Warning	LSX	Reynolds	44 min
May 19, 4:38 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Jefferson, Saint Charles, Saint Louis, Warren, City of Saint Louis	52 min
May 19, 5:00 PM CDT	Severe Thunderstorm Warning	LSX	Reynolds	11 min
May 19, 5:06 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson, Sainte Genevieve, Saint Francois	39 min
May 19, 5:16 PM CDT	Tornado Warning	LSX	Saint Charles, Saint Louis, City of Saint Louis	29 min
May 19, 5:19 PM CDT	Tornado Warning	LSX	Saint Charles, Saint Louis	26 min
May 19, 5:44 PM CDT	Areal Flood Advisory	LSX	Saint Louis, City of Saint Louis	3 hr
May 19, 5:46 PM CDT	Severe Thunderstorm Warning	LSX	Saint Charles	44 min

Nearby

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