Alert archive / Missouri / Tornado Warnings in 2015
Tornado Warning 17, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at May 24, 2015, 8:08 PM CDT for Jefferson County, Sainte Genevieve County, Saint Francois County, Missouri. It was in force for 37 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 24, 2015, 8:08 PM CDT (01:08 UTC)
- Expired
- May 24, 2015, 8:45 PM CDT
- In force
- 37 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
Counties Jefferson County, MO, Saint Francois County, MO, Sainte Genevieve County, MO
The radar
The St Louis radar (KLSX), 90 km from the middle of the area, began a volume at 01:09 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 24, 8:09 PM CDT | TSTM WND DMG | Farmington, MO | SEVERAL TREES AND POWER LINES BLOWN DOWN AROUND TOWN. |
| May 24, 8:15 PM CDT | TSTM WND DMG | 6 Nw Weingarten, MO | POWER LINES DOWN AND ROOF DAMAGE AT THE SEVEN FALLS COMMUNITY NEAR THE INTERSECTION OF ROUTES C AND EE. |
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 24, 4:14 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 1.1 hours before the alert went out and 285 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
- 169 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 1620 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 173 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
969
WFUS53 KLSX 250108
TORLSX
MOC099-186-187-250145-
/O.NEW.KLSX.TO.W.0017.150525T0108Z-150525T0145Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
808 PM CDT SUN MAY 24 2015
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN JEFFERSON COUNTY IN EAST CENTRAL MISSOURI...
WESTERN STE. GENEVIEVE COUNTY IN SOUTHEAST MISSOURI...
ST. FRANCOIS COUNTY IN SOUTHEAST MISSOURI...
* UNTIL 845 PM CDT
* AT 806 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 5 MILES EAST OF FARMINGTON...AND MOVING NORTH
AT 40 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...
WEINGARTEN AROUND 820 PM CDT.
ROCKY RIDGE AROUND 825 PM CDT.
BLOOMSDALE AROUND 835 PM CDT.
THIS WARNING INCLUDES HAWN STATE PARK.
THIS WARNING ALSO INCLUDES...
INTERSTATE 55 IN MISSOURI FROM EXIT 150 TO EXIT 170.
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 3770 9047 3821 9036 3813 9026 3810 9023
3807 9017 3801 9008 3766 9025
TIME...MOT...LOC 0108Z 194DEG 36KT 3778 9033
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
GLASS4 follow-up statements
110
WWUS53 KLSX 250121
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
821 PM CDT SUN MAY 24 2015
MOC099-186-187-250145-
/O.CON.KLSX.TO.W.0017.000000T0000Z-150525T0145Z/
JEFFERSON MO-STE. GENEVIEVE MO-ST. FRANCOIS MO-
821 PM CDT SUN MAY 24 2015
...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN ST. FRANCOIS...
WESTERN STE. GENEVIEVE AND SOUTHEASTERN JEFFERSON COUNTIES UNTIL 845
PM CDT...
AT 819 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR ROCKY RIDGE...AND MOVING NORTH AT 40 MPH.
HAZARD...TORNADO AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
THIS DANGEROUS STORM WILL BE NEAR...
BLOOMSDALE AROUND 835 PM CDT.
THIS WARNING INCLUDES HAWN STATE PARK.
THIS WARNING ALSO INCLUDES...
INTERSTATE 55 IN MISSOURI FROM EXIT 150 TO EXIT 170.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3785 9042 3821 9036 3810 9023 3801 9008
3773 9022
TIME...MOT...LOC 0121Z 194DEG 36KT 3791 9029
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
GLASS055
WWUS53 KLSX 250132
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
832 PM CDT SUN MAY 24 2015
MOC099-187-250143-
/O.CAN.KLSX.TO.W.0017.000000T0000Z-150525T0145Z/
JEFFERSON MO-ST. FRANCOIS MO-
832 PM CDT SUN MAY 24 2015
...THE TORNADO WARNING FOR NORTHERN ST. FRANCOIS AND SOUTHEASTERN
JEFFERSON COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 3791 9033 3797 9034 3798 9032 3800 9035
3807 9036 3809 9031 3809 9029 3812 9026
3801 9008 3785 9016
TIME...MOT...LOC 0133Z 211DEG 31KT 3795 9021
$$
MOC186-250145-
/O.CON.KLSX.TO.W.0017.000000T0000Z-150525T0145Z/
STE. GENEVIEVE MO-
832 PM CDT SUN MAY 24 2015
...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL STE.
GENEVIEVE COUNTY UNTIL 845 PM CDT...
AT 831 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR ROCKY RIDGE...AND MOVING NORTHEAST AT 35 MPH.
HAZARD...TORNADO AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
THIS DANGEROUS STORM WILL BE NEAR...
BLOOMSDALE AROUND 840 PM CDT.
THIS WARNING ALSO INCLUDES...
INTERSTATE 55 IN MISSOURI FROM EXIT 150 TO EXIT 162.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3791 9033 3797 9034 3798 9032 3800 9035
3807 9036 3809 9031 3809 9029 3812 9026
3801 9008 3785 9016
TIME...MOT...LOC 0133Z 211DEG 31KT 3795 9021
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
GLASS292
WWUS53 KLSX 250139
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
839 PM CDT SUN MAY 24 2015
MOC186-250145-
/O.CON.KLSX.TO.W.0017.000000T0000Z-150525T0145Z/
STE. GENEVIEVE MO-
839 PM CDT SUN MAY 24 2015
...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL STE.
GENEVIEVE COUNTY UNTIL 845 PM CDT...
AT 837 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR BLOOMSDALE...AND MOVING NORTHEAST AT 35 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 AFFECT MAINLY RURAL AREAS OF NORTH CENTRAL
STE. GENEVIEVE COUNTY.
THIS WARNING ALSO INCLUDES...
INTERSTATE 55 IN MISSOURI FROM EXIT 150 TO EXIT 162.
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 3797 9026 3798 9032 3806 9029 3809 9029
3811 9027 3811 9026 3812 9026 3801 9008
3791 9013
TIME...MOT...LOC 0139Z 211DEG 31KT 3799 9020
TORNADO...RADAR INDICATED
HAIL...1.00IN
$$
GLASS909
WWUS53 KLSX 250148
SVSLSX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
848 PM CDT SUN MAY 24 2015
MOC186-250158-
/O.EXP.KLSX.TO.W.0017.000000T0000Z-150525T0145Z/
STE. GENEVIEVE MO-
848 PM CDT SUN MAY 24 2015
...THE TORNADO WARNING FOR NORTH CENTRAL STE. GENEVIEVE COUNTY HAS
EXPIRED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO
WATCH REMAINS IN EFFECT UNTIL 1000 PM.
LAT...LON 3797 9026 3798 9032 3806 9029 3809 9029
3811 9027 3811 9026 3812 9026 3801 9008
3791 9013
TIME...MOT...LOC 0139Z 211DEG 31KT 3799 9020
$$
GLASSThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 7:38 PM CDT | Tornado Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois | 37 min |
Nearby
Tornado Warnings in Missouri, 2015Every tornado warning in 2015Tornadoes in 2015
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.