Alert archive / Missouri / Tornado Warnings in 2019
Tornado Warning 13, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at May 21, 2019, 5:40 PM CDT for 4 counties in Missouri. It was in force for 50 min. 5 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 21, 2019, 5:40 PM CDT (22:40 UTC)
- Expired
- May 21, 2019, 6:30 PM CDT
- In force
- 50 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Franklin County, MO, Saint Charles County, MO, Saint Louis County, MO, Warren County, MO
The radar
The St Louis radar (KLSX), 25 km from the middle of the area, began a volume at 22:42 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 21, 5:50 PM CDT | HAIL 0.75 | 4 Nnw Union, MO | |
| May 21, 5:58 PM CDT | TORNADO | 2 E Augusta, MO | A TORNADO DEVELOPED ABOUT 1 MILE WEST OF LABADIE IN FRANKLIN COUNTY, CAUSING SOME TREE DAMAGE AND THEN MOVED NORTH- NORTHEAST ACROSS THE MISSOURI RIVER IN ST. CHARLES COUNTY. EXTENSIVE TREE DAMAGE WAS NOTED ON SANDERS ROAD, TERRY ROAD AND COATES LN. MINOR STRU |
| May 21, 6:00 PM CDT | TSTM WND DMG | 3 Nw Gray Summit, MO | TREE LIMBS AND POWER LINES DOWN. TIME ESTIMATED FROM RADAR. |
| May 21, 6:17 PM CDT | TORNADO | Augusta, MO | POWER FLASHES OBSERVED BY SPOTTER FROM LABADIE, LOOKING NORTH TOWARDS AUGUSTA. TORNADO WAS RAIN WRAPPED. TREE DEBRIS OBSERVED IN LABADIE. |
| May 21, 6:25 PM CDT | TSTM WND DMG | 1 Nw Cottleville, MO | LARGE TREE BRANCHES DOWN ALONG KNAUST RD NEAR AVONDALE DR. |
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 21, 3:10 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 10.7 hours before the alert went out and 262 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1157 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 331 m²/s²
- 0-3 km storm-relative helicity
- 917 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
363
WFUS53 KLSX 212240
TORLSX
MOC071-183-189-219-212330-
/O.NEW.KLSX.TO.W.0013.190521T2240Z-190521T2330Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
540 PM CDT Tue May 21 2019
The National Weather Service in St Louis has issued a
* Tornado Warning for...
Southwestern St. Charles County in east central Missouri...
Central Franklin County in east central Missouri...
Southwestern St. Louis County in east central Missouri...
Southeastern Warren County in east central Missouri...
* Until 630 PM CDT.
* At 539 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Union, moving northeast at 50 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 dangerous storm will be near...
Villa Ridge and Dutzow around 555 PM CDT.
Pacific, Gray Summit and Augusta around 600 PM CDT.
Defiance around 605 PM CDT.
Wildwood, Ballwin, Dardenne Prairie, Ellisville, Clarkson Valley,
Spirit of St. Louis Airport and Weldon Spring Heights around 615
PM CDT.
O'Fallon, Weldon Spring and Cottleville around 620 PM CDT.
Chesterfield around 625 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Peerless Park, Matson, Robertsville, Noser Mill, Catawissa, Stanton,
Lyon and Moselle.
This includes Interstate 44 in Missouri between exits 230 and 272.
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 3849 9126 3881 9071 3851 9045 3850 9048
3850 9059 3847 9062 3849 9065 3845 9066
3845 9069 3846 9068 3848 9073 3847 9074
3841 9074 3827 9111
TIME...MOT...LOC 2239Z 232DEG 41KT 3842 9107
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
BSH4 follow-up statements
072
WWUS53 KLSX 212251
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
551 PM CDT Tue May 21 2019
MOC071-183-189-219-212330-
/O.CON.KLSX.TO.W.0013.000000T0000Z-190521T2330Z/
St. Charles MO-Franklin MO-St. Louis MO-Warren MO-
551 PM CDT Tue May 21 2019
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
SOUTHWESTERN ST. CHARLES...NORTHEASTERN FRANKLIN...SOUTHWESTERN ST.
LOUIS AND SOUTHEASTERN WARREN COUNTIES...
At 551 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Villa Ridge, moving northeast at 45 mph.
HAZARD...Tornado and two inch 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 dangerous storm will be near...
Pacific, Gray Summit and Augusta around 600 PM CDT.
Defiance around 605 PM CDT.
Wildwood, Ballwin, Dardenne Prairie, Ellisville, Clarkson Valley,
Spirit of St. Louis Airport and Weldon Spring Heights around 615
PM CDT.
O'Fallon, Weldon Spring and Cottleville around 620 PM CDT.
Chesterfield around 625 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Peerless Park, Matson, Robertsville, Moselle and Catawissa.
This also includes Babler Memorial State Park, Route 66 State Park,
Castlewood State Park, and Robertsville State Park.
This includes Interstate 44 in Missouri between exits 239 and 272.
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 3881 9071 3851 9045 3850 9048 3850 9059
3847 9062 3849 9065 3845 9066 3845 9069
3846 9068 3848 9073 3847 9074 3841 9074
3832 9099 3855 9116
TIME...MOT...LOC 2251Z 232DEG 41KT 3851 9093
TORNADO...RADAR INDICATED
HAIL...2.00IN
$$
BSH925
WWUS53 KLSX 212304
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
604 PM CDT Tue May 21 2019
MOC071-183-189-219-212330-
/O.CON.KLSX.TO.W.0013.000000T0000Z-190521T2330Z/
St. Charles MO-Franklin MO-St. Louis MO-Warren MO-
604 PM CDT Tue May 21 2019
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
SOUTHWESTERN ST. CHARLES...NORTHEASTERN FRANKLIN...WEST CENTRAL ST.
LOUIS AND SOUTHEASTERN WARREN COUNTIES...
At 604 PM CDT, a confirmed large and extremely dangerous tornado was
located over Defiance, moving northeast at 45 mph.
This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!
HAZARD...Damaging tornado.
SOURCE...Radar confirmed tornado.
IMPACT...You are in a life-threatening situation. Flying debris may
be deadly to those caught without shelter. Mobile homes
will be destroyed. Considerable damage to homes,
businesses, and vehicles is likely and complete destruction
is possible.
The tornado will be near...
Wildwood, Ballwin, Dardenne Prairie, Ellisville, Clarkson Valley,
Spirit of St. Louis Airport and Weldon Spring Heights around 615
PM CDT.
O'Fallon, Weldon Spring and Cottleville around 620 PM CDT.
Chesterfield around 625 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Matson.
This also includes Babler Memorial State Park.
This includes Interstate 44 in Missouri between exits 251 and 257.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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 3857 9050 3844 9089 3860 9107 3881 9071
TIME...MOT...LOC 2304Z 232DEG 41KT 3860 9078
TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...2.00IN
$$
BSH374
WWUS53 KLSX 212310
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
610 PM CDT Tue May 21 2019
MOC219-212319-
/O.CAN.KLSX.TO.W.0013.000000T0000Z-190521T2330Z/
Warren MO-
610 PM CDT Tue May 21 2019
...THE TORNADO WARNING FOR SOUTHEASTERN WARREN COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CDT for east central
Missouri.
LAT...LON 3864 9096 3866 9096 3881 9071 3857 9050
3845 9087
TIME...MOT...LOC 2309Z 232DEG 41KT 3864 9071
$$
MOC071-183-189-212330-
/O.CON.KLSX.TO.W.0013.000000T0000Z-190521T2330Z/
St. Charles MO-Franklin MO-St. Louis MO-
610 PM CDT Tue May 21 2019
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
SOUTHWESTERN ST. CHARLES...EAST CENTRAL FRANKLIN AND WEST CENTRAL ST.
LOUIS COUNTIES...
At 609 PM CDT, a confirmed large and extremely dangerous tornado was
located near Spirit of St. Louis Airport, moving northeast at 45 mph.
This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!
HAZARD...Damaging tornado.
SOURCE...Weather spotters confirmed tornado.
IMPACT...You are in a life-threatening situation. Flying debris may
be deadly to those caught without shelter. Mobile homes
will be destroyed. Considerable damage to homes,
businesses, and vehicles is likely and complete destruction
is possible.
The tornado will be near...
Ballwin and Clarkson Valley around 615 PM CDT.
O'Fallon, Weldon Spring and Cottleville around 620 PM CDT.
Chesterfield around 625 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Matson.
This also includes Babler Memorial State Park.
This includes Interstate 44 in Missouri between exits 251 and 253.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a large, extremely dangerous and potentially deadly
tornado is on the ground. To protect your life, 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.
A large and extremely dangerous tornado is on the ground. take
immediate tornado precautions. this is an emergency situation.
&&
LAT...LON 3864 9096 3866 9096 3881 9071 3857 9050
3845 9087
TIME...MOT...LOC 2309Z 232DEG 41KT 3864 9071
TORNADO...OBSERVED
TORNADO DAMAGE THREAT...CONSIDERABLE
HAIL...2.00IN
$$
BSH882
WWUS53 KLSX 212324
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
624 PM CDT Tue May 21 2019
MOC071-212334-
/O.CAN.KLSX.TO.W.0013.000000T0000Z-190521T2330Z/
Franklin MO-
624 PM CDT Tue May 21 2019
...THE TORNADO WARNING FOR EAST CENTRAL FRANKLIN COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CDT for east central
Missouri.
LAT...LON 3870 9088 3881 9071 3857 9050 3850 9073
3864 9073
TIME...MOT...LOC 2324Z 232DEG 41KT 3875 9054
$$
MOC183-189-212330-
/O.CON.KLSX.TO.W.0013.000000T0000Z-190521T2330Z/
St. Charles MO-St. Louis MO-
624 PM CDT Tue May 21 2019
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR WEST
CENTRAL ST. CHARLES AND WEST CENTRAL ST. LOUIS COUNTIES...
At 624 PM CDT, a confirmed tornado was located over Harvester, moving
northeast at 45 mph.
HAZARD...Damaging tornado and ping pong ball size hail.
SOURCE...Weather spotters 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 tornadic thunderstorm will remain over mainly rural areas of
west central St. Charles and west central St. Louis Counties.
This also includes Babler Memorial State Park.
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 3870 9088 3881 9071 3857 9050 3850 9073
3864 9073
TIME...MOT...LOC 2324Z 232DEG 41KT 3875 9054
TORNADO...OBSERVED
HAIL...1.50IN
$$
BSHThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 11:33 PM CDT | Special Weather Statement | LSX | Cole, Osage | 42 min |
| May 21, 12:25 AM CDT | Special Weather Statement | LSX | Crawford, Franklin, Washington | 65 min |
| May 21, 1:32 AM CDT | Special Weather Statement | LSX | Jefferson, Saint Charles, Saint Francois, Saint Louis, City of Saint Louis | 43 min |
| May 21, 2:14 AM CDT | Special Weather Statement | LSX | Sainte Genevieve, Saint Louis, City of Saint Louis | 61 min |
| May 21, 3:40 AM CDT | Flash Flood Watch | LSX | Audrain, Boone, Callaway, Cole, Crawford, Franklin and 23 more | 20 hr |
| May 21, 8:10 AM CDT | River Flood Warning | LSX | Lewis | 3 days |
| May 21, 8:10 AM CDT | River Flood Warning | LSX | Lewis | 4 days |
| May 21, 8:10 AM CDT | River Flood Warning | LSX | Marion | 4 days |
| May 21, 8:10 AM CDT | River Flood Warning | LSX | Marion | 61 hr |
| May 21, 8:10 AM CDT | River Flood Warning | LSX | Monroe | 4 days |
| May 21, 10:01 AM CDT | River Flood Warning | LSX | Cole | 61 hr |
| May 21, 11:18 AM CDT | River Flood Warning | LSX | Jefferson, Saint Louis | 42 days |
| May 21, 11:18 AM CDT | River Flood Warning | LSX | Jefferson, Saint Louis | 41 days |
| May 21, 12:50 PM CDT | River Flood Warning | LSX | Crawford, Washington | 4 days |
| May 21, 3:59 PM CDT | Severe Thunderstorm Warning | LSX | Boone, Callaway, Cole, Osage | 46 min |
| May 21, 4:40 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Boone, Callaway, Gasconade, Montgomery, Osage | 50 min |
| May 21, 4:42 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade | 63 min |
| May 21, 4:48 PM CDT | Tornado Warning | LSX | Callaway, Gasconade, Montgomery, Osage | 27 min |
| May 21, 5:06 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Iron, Reynolds, Washington | 54 min |
| May 21, 5:12 PM CDT | Tornado Warning | LSX | Audrain, Callaway, Lincoln, Montgomery, Pike, Warren | 48 min |
| May 21, 5:22 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade, Saint Charles, Warren, Washington | 38 min |
| May 21, 5:34 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Washington | 26 min |
| May 21, 5:54 PM CDT | River Flood Warning | LSX | Cole | 41 hr |
| May 21, 5:57 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Saint Charles, Warren | 33 min |
| May 21, 5:59 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Iron, Jefferson, Madison, Reynolds and 3 more | 76 min |
| May 21, 6:19 PM CDT | Tornado Warning | LSX | Saint Charles, Saint Louis | 41 min |
| May 21, 6:32 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Jefferson, Madison, Sainte Genevieve, Saint Francois, Saint Louis and 2 more | 88 min |
| May 21, 6:48 PM CDT | Tornado Warning | LSX | Jefferson, Saint Louis, City of Saint Louis | 42 min |
| May 21, 6:55 PM CDT | Tornado Warning | LSX | Saint Charles, Saint Louis, City of Saint Louis | 50 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.