Alert archive / Missouri / Tornado Warnings in 2022

Tornado Warning 1, NWS St. Louis, MO

May 19, 2022Franklin County, Missouri

NWS St. Louis, MO issued this tornado warning at May 19, 2022, 4:09 PM CDT for Franklin County, Missouri. It was in force for 36 min. 2 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, 4:09 PM CDT (21:09 UTC)
Expired
May 19, 2022, 4:45 PM CDT
In force
36 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Franklin County, MO

The radar

The St Louis radar (KLSX), 46 km from the middle of the area, began a volume at 21:10 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, 4:21 PM CDTTSTM WND DMG1 Se Beaufort, MOPOWER POLE AND TREE DAMAGE NEAR HIGHWAY 185 IN BEAUFORT.
May 19, 4:24 PM CDTTORNADO2 Wsw Noser Mill, MONWS STORM SURVEY FOUND AN EF1 TORNADO WITH EXTENSIVE TREE DAMAGE ALONG/NEAR HAAG AND LITTLE CREEK ROADS.

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, 12:51 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.2 hours before the alert went out and 286 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.

630 
WFUS53 KLSX 192109
TORLSX
MOC071-192145-
/O.NEW.KLSX.TO.W.0001.220519T2109Z-220519T2145Z/

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

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Southwestern Franklin County in east central Missouri...

* Until 445 PM CDT.
    
* At 409 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Beaufort, moving north at 25 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...
  Beaufort around 425 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Washington.

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 3855 9124 3859 9103 3856 9100 3855 9098
      3828 9117 3831 9130
TIME...MOT...LOC 2109Z 201DEG 20KT 3834 9121 

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

$$

Maples
2 follow-up statements
504 
WWUS53 KLSX 192131
SVSLSX

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

MOC071-192145-
/O.CON.KLSX.TO.W.0001.000000T0000Z-220519T2145Z/
Franklin MO-
431 PM CDT Thu May 19 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR WEST
CENTRAL FRANKLIN COUNTY...
    
At 431 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Beaufort, moving north at 20 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 tornadic thunderstorm will remain over mainly rural areas of
west central Franklin County, including the following locations...
Lyon, Noser Mill and Leslie.

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 3855 9124 3859 9103 3856 9100 3855 9098
      3834 9113 3838 9128
TIME...MOT...LOC 2131Z 181DEG 17KT 3842 9123 

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

$$

Britt
501 
WWUS53 KLSX 192143 RRA
SVSLSX

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

MOC071-192153-
/O.EXP.KLSX.TO.W.0001.000000T0000Z-220519T2145Z/
Franklin MO-
443 PM CDT Thu May 19 2022

...THE TORNADO WARNING FOR WEST CENTRAL FRANKLIN COUNTY WILL EXPIRE
AT 445 PM CDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

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

LAT...LON 3855 9124 3859 9103 3856 9100 3855 9098
      3834 9113 3838 9128
TIME...MOT...LOC 2143Z 201DEG 20KT 3848 9120 

$$

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, 4:16 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, 5:16 PM CDTTornado WarningLSXSaint Charles, Saint Louis, City of Saint Louis29 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

Nearby

Tornado Warnings in Missouri, 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.