Alert archive / Missouri / Tornado Warnings in 2014

Tornado Warning 13, NWS St. Louis, MO

April 3, 20145 counties in Missouri

NWS St. Louis, MO issued this tornado warning at Apr 3, 2014, 7:13 PM CDT for 5 counties in Missouri. It was in force for 32 min. 6 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
Apr 3, 2014, 7:13 PM CDT (00:13 UTC)
Expired
Apr 3, 2014, 7:45 PM CDT
In force
32 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Observed
Hail
1.0 in

Counties Franklin County, MO, Jefferson County, MO, Saint Charles County, MO, Saint Louis County, MO, Warren County, MO

The radar

The St Louis radar (KLSX), 16 km from the middle of the area, began a volume at 00:15 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
Apr 3, 7:30 PM CDTTSTM WND GST 50Villa Ridge, MORELAYED BY MISSOURI TROOP C
Apr 3, 7:35 PM CDTHAIL 12 Ssw Gray Summit, MORELAYED BY MISSOURI TROOP C
Apr 3, 7:37 PM CDTHAIL 0.5Augusta, MO
Apr 3, 7:39 PM CDTHAIL 0.253 Nne Augusta, MO
Apr 3, 7:41 PM CDTHAIL 0.74 Ne Augusta, MO
Apr 3, 7:54 PM CDTHAIL 0.251 Ssw Eureka, MO

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
Apr 3, 4:58 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 0.2 hours before the alert went out and 257 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 00:00Z on 2014-04-04Temperature 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 00:00Z on 2014-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 453 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
609 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
453 m²/s²
0-3 km storm-relative helicity
319 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

630 
WFUS53 KLSX 040013
TORLSX
MOC071-099-183-189-219-040045-
/O.NEW.KLSX.TO.W.0013.140404T0013Z-140404T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
713 PM CDT THU APR 3 2014

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN FRANKLIN COUNTY IN EAST CENTRAL MISSOURI...
  NORTHWESTERN JEFFERSON COUNTY IN EAST CENTRAL MISSOURI...
  SOUTHWESTERN ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI...
  SOUTHWESTERN ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI...
  SOUTHEASTERN WARREN COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 745 PM CDT

* AT 711 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR WASHINGTON...
  AND MOVING EAST AT 35 MPH.

  HAZARD...DAMAGING TORNADO AND QUARTER SIZE HAIL.

  SOURCE...PUBLIC 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.

* THE TORNADO WILL BE NEAR...
  DUTZOW AROUND 720 PM CDT.
  AUGUSTA AND VILLA RIDGE AROUND 730 PM CDT.
  GRAY SUMMIT AND DEFIANCE AROUND 735 PM CDT.
  PACIFIC AROUND 740 PM CDT.
  WILDWOOD AND EUREKA AROUND 745 PM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE MATSON.

THIS WARNING INCLUDES BABLER MEMORIAL STATE PARK AND ROUTE 66 STATE
PARK.

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 3867 9057 3843 9057 3848 9110 3861 9109
TIME...MOT...LOC 0013Z 269DEG 32KT 3855 9106

TORNADO...OBSERVED
HAIL...1.00IN

$$

BRITT
2 follow-up statements
712 
WWUS53 KLSX 040029
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
729 PM CDT THU APR 3 2014

MOC219-040039-
/O.CAN.KLSX.TO.W.0013.000000T0000Z-140404T0045Z/
WARREN MO-
729 PM CDT THU APR 3 2014

...THE TORNADO WARNING FOR SOUTHEASTERN WARREN COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3862 9096 3867 9057 3843 9057 3847 9096
TIME...MOT...LOC 0029Z 270DEG 32KT 3853 9086

$$

MOC071-099-183-189-040045-
/O.CON.KLSX.TO.W.0013.000000T0000Z-140404T0045Z/
FRANKLIN MO-JEFFERSON MO-ST. CHARLES MO-ST. LOUIS MO-
729 PM CDT THU APR 3 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN ST. LOUIS...
SOUTHWESTERN ST. CHARLES...NORTHWESTERN JEFFERSON AND NORTHEASTERN
FRANKLIN COUNTIES UNTIL 745 PM CDT...

AT 727 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR AUGUSTA...AND MOVING EAST 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...
  GRAY SUMMIT AROUND 735 PM CDT.
  PACIFIC AROUND 740 PM CDT.
  EUREKA AND WILDWOOD AROUND 745 PM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE MATSON.

THIS WARNING INCLUDES BABLER MEMORIAL STATE PARK AND ROUTE 66 STATE
PARK.

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 3862 9096 3867 9057 3843 9057 3847 9096
TIME...MOT...LOC 0029Z 270DEG 32KT 3853 9086

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

BRITT
527 
WWUS53 KLSX 040042
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
742 PM CDT THU APR 3 2014

MOC071-099-183-189-040051-
/O.EXP.KLSX.TO.W.0013.000000T0000Z-140404T0045Z/
FRANKLIN MO-JEFFERSON MO-ST. CHARLES MO-ST. LOUIS MO-
742 PM CDT THU APR 3 2014

...THE TORNADO WARNING FOR SOUTHWESTERN ST. LOUIS...SOUTHWESTERN ST.
CHARLES...NORTHWESTERN JEFFERSON AND NORTHEASTERN FRANKLIN COUNTIES
WILL EXPIRE AT 745 PM CDT...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
EXPIRED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT
FOR THE AREA.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT.

LAT...LON 3862 9096 3867 9057 3843 9057 3847 9096
TIME...MOT...LOC 0041Z 270DEG 32KT 3853 9072

$$

BRITT

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 7:00 PM CDTSevere Thunderstorm WarningLSXLincoln, Montgomery, Saint Charles, Warren45 min
Apr 3, 7:22 PM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson, Saint Charles, Saint Louis, Warren53 min
Apr 3, 8:04 PM CDTSevere Thunderstorm WarningLSXJefferson, Saint Charles, Saint Louis, City of Saint Louis41 min
Apr 3, 8:09 PM CDTSevere Thunderstorm WarningLSXCrawford, Franklin, Gasconade, Washington51 min
Apr 3, 8:23 PM CDTTornado Warning Tornado observedLSXSaint Louis, City of Saint Louis22 min
Apr 3, 9:00 PM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson, Sainte Genevieve, Saint Louis, Washington45 min
Apr 3, 9:25 PM CDTFlash Flood WarningLSXCrawford, Franklin, Jefferson, Washington9 hr
Apr 3, 9:53 PM CDTRiver Flood WarningLSXCallaway, Osage65 hr
Apr 3, 9:53 PM CDTRiver Flood WarningLSXGasconade, Montgomery3 days
Apr 3, 9:53 PM CDTRiver Flood WarningLSXGasconade, Montgomery57 hr
Apr 3, 10:13 PM CDTSevere Thunderstorm WarningLSXSainte Genevieve47 min
Apr 3, 10:22 PM CDTAreal Flood WarningLSXBoone, Callaway10 hr
Apr 4, 6:26 AM CDTAreal Flood WarningLSXCrawford, Franklin, Jefferson, Washington9 hr
Apr 4, 9:53 AM CDTRiver Flood WarningLSXJefferson, Saint Louis65 hr
Apr 4, 9:53 AM CDTRiver Flood WarningLSXJefferson, Saint Louis3 days

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.