Alert archive / Missouri / Tornado Warnings in 2014
Tornado Warning 23, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Jun 7, 2014, 4:20 PM CDT for Jefferson County, Saint Louis County, Missouri. It was in force for 25 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
- Jun 7, 2014, 4:20 PM CDT (21:20 UTC)
- Expired
- Jun 7, 2014, 4:45 PM CDT
- In force
- 25 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Jefferson County, MO, Saint Louis County, MO
The radar
The St Louis radar (KLSX), 33 km from the middle of the area, began a volume at 21:23 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 nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 9.3 hours before the alert went out and 241 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
- 1583 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
465
WFUS53 KLSX 072120
TORLSX
MOC099-189-072145-
/O.NEW.KLSX.TO.W.0023.140607T2120Z-140607T2145Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
420 PM CDT SAT JUN 7 2014
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN JEFFERSON COUNTY IN EAST CENTRAL MISSOURI...
SOUTH CENTRAL ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI...
* UNTIL 445 PM CDT
* AT 419 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED NEAR MURPHY...AND MOVING NORTHEAST AT 45 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...
SUNSET HILLS AND CRESTWOOD AROUND 425 PM CDT.
LEMAY AND LAKESHIRE AROUND 430 PM CDT.
THIS WARNING ALSO INCLUDES...
INTERSTATE 44 FROM EXIT 269 TO EXIT 277.
INTERSTATE 55 IN MISSOURI NEAR EXIT 191.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3839 9046 3852 9059 3862 9038 3852 9026
3851 9027
TIME...MOT...LOC 2120Z 244DEG 37KT 3849 9043
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
GLASS3 follow-up statements
503
WWUS53 KLSX 072127
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
427 PM CDT SAT JUN 7 2014
MOC099-072137-
/O.CAN.KLSX.TO.W.0023.000000T0000Z-140607T2145Z/
JEFFERSON MO-
427 PM CDT SAT JUN 7 2014
...THE TORNADO WARNING FOR NORTH CENTRAL JEFFERSON COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 3845 9036 3845 9041 3848 9042 3849 9040
3850 9044 3858 9046 3862 9038 3852 9026
3851 9027
TIME...MOT...LOC 2127Z 233DEG 32KT 3849 9037
$$
MOC189-072145-
/O.CON.KLSX.TO.W.0023.000000T0000Z-140607T2145Z/
ST. LOUIS MO-
427 PM CDT SAT JUN 7 2014
...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL ST. LOUIS
COUNTY UNTIL 445 PM CDT...
AT 426 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR ARNOLD...AND MOVING NORTHEAST 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...
LEMAY AND LAKESHIRE AROUND 435 PM CDT.
THIS WARNING ALSO INCLUDES...
INTERSTATE 44 FROM EXIT 276 TO EXIT 277.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3845 9036 3845 9041 3848 9042 3849 9040
3850 9044 3858 9046 3862 9038 3852 9026
3851 9027
TIME...MOT...LOC 2127Z 233DEG 32KT 3849 9037
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
GLASS615
WWUS53 KLSX 072135
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
435 PM CDT SAT JUN 7 2014
MOC189-072145-
/O.CON.KLSX.TO.W.0023.000000T0000Z-140607T2145Z/
ST. LOUIS MO-
435 PM CDT SAT JUN 7 2014
...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN ST. LOUIS
COUNTY UNTIL 445 PM CDT...
AT 435 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR MEHLVILLE...AND MOVING NORTHEAST AT 35 MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF SOUTHEASTERN
ST. LOUIS COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3848 9032 3849 9038 3850 9037 3856 9032
3852 9026 3852 9027
TIME...MOT...LOC 2136Z 233DEG 32KT 3852 9030
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
GLASS811
WWUS53 KLSX 072141
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
441 PM CDT SAT JUN 7 2014
MOC189-072151-
/O.EXP.KLSX.TO.W.0023.000000T0000Z-140607T2145Z/
ST. LOUIS MO-
441 PM CDT SAT JUN 7 2014
...THE TORNADO WARNING FOR SOUTHEASTERN ST. LOUIS COUNTY WILL EXPIRE
AT 445 PM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 3848 9032 3849 9038 3850 9037 3856 9032
3852 9026 3852 9027
TIME...MOT...LOC 2141Z 233DEG 32KT 3855 9025
$$
GLASSThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 3:42 PM CDT | Tornado Warning | LSX | Saint Charles | 33 min |
| Jun 7, 4:17 PM CDT | Tornado Warning | LSX | Saint Charles, Saint Louis | 28 min |
| Jun 7, 5:08 PM CDT | Tornado Warning | LSX | Jefferson | 30 min |
Nearby
Tornado Warnings in Missouri, 2014Every tornado warning in 2014Tornadoes in 2014
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.