Alert archive / Missouri / Tornado Warnings in 2013

Tornado Warning 23, NWS St. Louis, MO

May 31, 2013Lincoln County, Montgomery County, Warren County, Missouri

NWS St. Louis, MO issued this tornado warning at May 31, 2013, 6:26 PM CDT for Lincoln County, Montgomery County, Warren County, Missouri. It was in force for 34 min. 4 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 31, 2013, 6:26 PM CDT (23:26 UTC)
Expired
May 31, 2013, 7:00 PM CDT
In force
34 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Observed
Hail
1.25 in

Counties Lincoln County, MO, Montgomery County, MO, Warren County, MO

The radar

The St Louis radar (KLSX), 61 km from the middle of the area, began a volume at 23:28 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 31, 6:30 PM CDTTORNADO2 W Bellflower, MOTORNADO REPORTED 2 MILES WEST OF BELLEFLOWER REPORTED BY MISSOURI HIGHWAY PATROL
May 31, 6:30 PM CDTTORNADO5 Ne Montgomery City, MOMONTGOMERY CITY POLICE REPORTED A TORNADO JUST NORTHEAST OF MONTGOMERY CITY
May 31, 6:46 PM CDTHAIL 0.88Bellflower, MO
May 31, 7:00 PM CDTTSTM WND DMGHawk Point, MOPOWER LINES BLOWN DOWN

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 31, 5:45 PM CDTTornado WatchSPC4 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.4 hours before the alert went out and 265 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 2013-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 joules per kilogram.LCLLFCEL10008507005003002001001 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 2013-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 215 square meters per square second.19395878Sfc1 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
8 J/kg
Mixed-layer CIN
-299 J/kg
Mixed-layer LCL
1021 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
215 m²/s²
0-3 km storm-relative helicity
222 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

981 
WFUS53 KLSX 312326
TORLSX
MOC113-139-219-010000-
/O.NEW.KLSX.TO.W.0023.130531T2326Z-130601T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
626 PM CDT FRI MAY 31 2013

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL LINCOLN COUNTY IN EAST CENTRAL MISSOURI...
  MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI...
  NORTHWESTERN WARREN COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 700 PM CDT

* AT 623 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR MONTGOMERY
  CITY...AND MOVING EAST AT 30 MPH.

  HAZARD...DAMAGING TORNADO AND HALF DOLLAR SIZE HAIL.

  SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.

  IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
           SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
           OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
           EXTENSIVE TREE DAMAGE IS LIKELY.

* LOCATIONS IMPACTED INCLUDE...
  WARRENTON...NEW FLORENCE...BUELL...BELLFLOWER...JONESBURG...HAWK
  POINT...HIGH HILL...TRUXTON AND OLNEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 3913 9111 3876 9113 3878 9154 3910 9158
TIME...MOT...LOC 2326Z 263DEG 25KT 3896 9149

TORNADO...OBSERVED
HAIL...1.25IN

$$

GLASS
3 follow-up statements
793 
WWUS53 KLSX 312337
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
637 PM CDT FRI MAY 31 2013

MOC113-139-219-010000-
/O.CON.KLSX.TO.W.0023.000000T0000Z-130601T0000Z/
LINCOLN MO-MONTGOMERY MO-WARREN MO-
637 PM CDT FRI MAY 31 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN WARREN...
MONTGOMERY AND WEST CENTRAL LINCOLN COUNTIES UNTIL 700 PM CDT...

AT 636 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR BELLFLOWER...AND
MOVING EAST AT 30 MPH.

HAZARD...DAMAGING TORNADO AND HALF DOLLAR SIZE HAIL.

SOURCE...LAW ENFORCEMENT CONFIRMED TORNADO NEAR MONTGOMERY CITY 
         AROUND 630 PM.

IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
         SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
         OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
         EXTENSIVE TREE DAMAGE IS LIKELY.

LOCATIONS IMPACTED INCLUDE...
WARRENTON...BELLFLOWER...JONESBURG...HAWK POINT...TRUXTON AND OLNEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 3913 9111 3876 9113 3878 9154 3910 9158
TIME...MOT...LOC 2337Z 263DEG 25KT 3897 9139

TORNADO...OBSERVED
HAIL...1.25IN

$$

GLASS
279 
WWUS53 KLSX 312343
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
643 PM CDT FRI MAY 31 2013

MOC113-139-219-010000-
/O.CON.KLSX.TO.W.0023.000000T0000Z-130601T0000Z/
LINCOLN MO-MONTGOMERY MO-WARREN MO-
643 PM CDT FRI MAY 31 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN WARREN...
MONTGOMERY AND WEST CENTRAL LINCOLN COUNTIES UNTIL 700 PM CDT...

AT 641 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR BELLFLOWER...AND
MOVING EAST AT 40 MPH.

HAZARD...DAMAGING TORNADO AND HALF DOLLAR SIZE HAIL.

SOURCE...LAW ENFORCEMENT CONFIRMED TORNADO 2 MILES WEST OF 
         BELLFLOWER.

IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
         SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
         OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
         EXTENSIVE TREE DAMAGE IS LIKELY.

LOCATIONS IMPACTED INCLUDE...
WARRENTON...JONESBURG...HAWK POINT...TRUXTON AND OLNEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 3913 9111 3876 9113 3878 9154 3910 9158
TIME...MOT...LOC 2342Z 262DEG 34KT 3897 9134

TORNADO...OBSERVED
HAIL...1.25IN

$$

GLASS
018 
WWUS53 KLSX 010003
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
703 PM CDT FRI MAY 31 2013

MOC113-139-219-010012-
/O.EXP.KLSX.TO.W.0023.000000T0000Z-130601T0000Z/
LINCOLN MO-MONTGOMERY MO-WARREN MO-
703 PM CDT FRI MAY 31 2013

...THE TORNADO WARNING FOR NORTHWESTERN WARREN...MONTGOMERY AND WEST
CENTRAL LINCOLN COUNTIES HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.  HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH
THIS THUNDERSTORM.

IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 1000 PM.

REMEMBER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR 
GASCONADE COUNTY IN EAST CENTRAL MISSOURI...EXTREME SOUTHERN 
MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI...OSAGE COUNTY IN CENTRAL 
MISSOURI UNTIL 730 PM CDT.

LAT...LON 3913 9111 3876 9113 3878 9154 3910 9158
TIME...MOT...LOC 2343Z 262DEG 34KT 3897 9133

$$

GLASS

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 9:03 PM CDTRiver Flood WarningLSXMarion57 hr
May 30, 9:09 PM CDTRiver Flood WarningLSXLincoln67 hr
May 30, 9:14 PM CDTRiver Flood WarningLSXCole3 days
May 30, 10:29 PM CDTAreal Flood WarningLSXBoone12 hr
May 30, 10:57 PM CDTAreal Flood WarningLSXMarion12 hr
May 31, 12:26 AM CDTRiver Flood WarningLSXJefferson, Saint Louis9 days
May 31, 1:35 AM CDTSevere Thunderstorm WarningLSXReynolds55 min
May 31, 1:41 AM CDTFlash Flood WarningLSXIron, Reynolds, Sainte Genevieve, Saint Francois, Washington6 hr
May 31, 7:27 AM CDTFlash Flood WarningLSXBoone, Moniteau6 hr
May 31, 7:51 AM CDTSevere Thunderstorm WarningLSXCole, Moniteau39 min
May 31, 8:24 AM CDTSevere Thunderstorm WarningLSXBoone, Callaway, Cole, Moniteau51 min
May 31, 8:56 AM CDTSevere Thunderstorm WarningLSXCallaway, Cole, Osage49 min
May 31, 9:32 AM CDTSevere Thunderstorm WarningLSXFranklin, Gasconade, Lincoln, Montgomery, Osage, Saint Charles and 1 more43 min
May 31, 9:36 AM CDTRiver Flood WarningLSXJefferson4 days
May 31, 9:57 AM CDTRiver Flood WarningLSXOsage60 hr
May 31, 12:28 PM CDTRiver Flood WarningLSXReynolds70 hr
May 31, 1:35 PM CDTAreal Flood WarningLSXBoone, Callaway, Cole, Moniteau5 hr
May 31, 4:46 PM CDTSevere Thunderstorm WarningLSXBoone, Callaway, Moniteau44 min
May 31, 5:17 PM CDTFlash Flood WarningLSXBoone, Cole, Moniteau6 hr
May 31, 5:27 PM CDTSevere Thunderstorm WarningLSXBoone, Callaway48 min
May 31, 5:56 PM CDTSevere Thunderstorm WarningLSXCallaway, Lincoln, Montgomery, Warren49 min
May 31, 6:05 PM CDTTornado WarningLSXCallaway, Montgomery, Warren25 min
May 31, 6:09 PM CDTSevere Thunderstorm WarningLSXGasconade, Osage51 min
May 31, 6:14 PM CDTFlash Flood WarningLSXCallaway6 hr
May 31, 6:22 PM CDTSevere Thunderstorm WarningLSXBoone, Callaway, Cole, Osage38 min
May 31, 6:47 PM CDTSevere Thunderstorm WarningLSXFranklin, Gasconade, Saint Charles, Warren43 min
May 31, 6:56 PM CDTSevere Thunderstorm WarningLSXLincoln, Saint Charles, Warren34 min
May 31, 6:58 PM CDTFlash Flood WarningLSXCole, Gasconade, Moniteau, Osage6 hr
May 31, 6:58 PM CDTSevere Thunderstorm WarningLSXGasconade, Montgomery, Osage32 min

Nearby

Tornado Warnings in Missouri, 2013Every tornado warning in 2013Tornadoes in 2013

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.