Alert archive / Missouri / Tornado Warnings in 2016

Tornado Warning 8, NWS St. Louis, MO

April 27, 2016Lewis County, Marion County, Shelby County, Missouri

NWS St. Louis, MO issued this tornado warning at Apr 27, 2016, 8:23 PM CDT for Lewis County, Marion County, Shelby County, Missouri. It was in force for 37 min. 7 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 27, 2016, 8:23 PM CDT (01:23 UTC)
Expired
Apr 27, 2016, 9:00 PM CDT
In force
37 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.75 in

Counties Lewis County, MO, Marion County, MO, Shelby County, MO

The radar

The St Louis radar (KLSX), 162 km from the middle of the area, began a volume at 01:25 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 27, 8:25 PM CDTTSTM WND DMG1 E Emden, MOWINDOWS BLOWN OUT ON A CHURCH. SMALL SHED BLOWN OVER. LARGE LIMB SNAPPED OFF OF A TREE ON EAST SIDE OF TOWN ON HIGHWAY 168.
Apr 27, 8:25 PM CDTTORNADO2 N Emden, MOPOSSIBLE TORNADO DAMAGE. SHEET METAL IN FENCE. TREE DAMAGE.
Apr 27, 8:25 PM CDTTORNADO2 N Emden, MORELAYED BY 911.
Apr 27, 8:28 PM CDTHAIL 110 Sw Ewing, MO
Apr 27, 8:35 PM CDTHAIL 1.55 Se Steffenville, MOPING PONG BALL SIZED HAIL CAUSED ROOF DAMAGE TO A HOUSE AND KNOCKED OUT AN RVS SKYLIGHT.
Apr 27, 8:44 PM CDTHAIL 1.53 S Ewing, MO
Apr 27, 8:47 PM CDTHAIL 1.53 S Ewing, 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 27, 2:33 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 1.4 hours before the alert went out and 227 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, Davenport, at 00:00Z on 2016-04-28Temperature 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, Davenport, at 00:00Z on 2016-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 338 square meters per square second.1939587897117Sfc1 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
595 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
338 m²/s²
0-3 km storm-relative helicity
343 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

241 
WFUS53 KLSX 280123
TORLSX
MOC111-127-205-280200-
/O.NEW.KLSX.TO.W.0008.160428T0123Z-160428T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
823 PM CDT WED APR 27 2016

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN SHELBY COUNTY IN NORTHEASTERN MISSOURI...
  SOUTH CENTRAL LEWIS COUNTY IN NORTHEASTERN MISSOURI...
  NORTHWESTERN MARION COUNTY IN NORTHEASTERN MISSOURI...

* UNTIL 900 PM CDT
    
* AT 822 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED OVER EMDEN...MOVING NORTHEAST AT 20 MPH.

  HAZARD...TORNADO AND GOLF BALL SIZE HAIL. 

  SOURCE...RADAR INDICATED ROTATION. STORM SPOTTERS ARE ALSO
           REPORTNIG A FUNNEL CLOUD WITH THIS STORM. 

  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...
  PHILADELPHIA AROUND 840 PM CDT. 

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 3976 9192 3983 9196 4004 9179 3987 9161
TIME...MOT...LOC 0122Z 227DEG 19KT 3982 9188 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

CARNEY
2 follow-up statements
369 
WWUS53 KLSX 280140
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
840 PM CDT WED APR 27 2016

MOC205-280148-
/O.CAN.KLSX.TO.W.0008.000000T0000Z-160428T0200Z/
SHELBY MO-
840 PM CDT WED APR 27 2016

...THE TORNADO WARNING FOR NORTHEASTERN SHELBY 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 900 PM CDT FOR NORTHEASTERN
MISSOURI.

LAT...LON 3987 9161 3979 9184 3981 9185 3995 9184
      4004 9179
TIME...MOT...LOC 0138Z 229DEG 23KT 3989 9177 

$$

MOC111-127-280200-
/O.CON.KLSX.TO.W.0008.000000T0000Z-160428T0200Z/
LEWIS MO-MARION MO-
840 PM CDT WED APR 27 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR SOUTH
CENTRAL LEWIS AND NORTHWESTERN MARION COUNTIES...
    
AT 838 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR PHILADELPHIA...
MOVING NORTHEAST AT 25 MPH.

HAZARD...DAMAGING TORNADO AND GOLF BALL 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. 

THERE WAS A REPORT OF A TORNADO TOUCHDOWN BY THE PUBLIC NORTH OF
EMDEN AROUND 825 PM. THIS TORNADIC THUNDERSTORM WILL REMAIN OVER
MAINLY RURAL AREAS OF SOUTH CENTRAL LEWIS AND NORTHWESTERN MARION
COUNTIES.

LAT...LON 3987 9161 3979 9184 3981 9185 3995 9184
      4004 9179
TIME...MOT...LOC 0138Z 229DEG 23KT 3989 9177 

TORNADO...OBSERVED
HAIL...1.75IN

$$

CARNEY
413 
WWUS53 KLSX 280157
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
857 PM CDT WED APR 27 2016

MOC111-127-280206-
/O.EXP.KLSX.TO.W.0008.000000T0000Z-160428T0200Z/
LEWIS MO-MARION MO-
857 PM CDT WED APR 27 2016

...THE TORNADO WARNING FOR SOUTH CENTRAL LEWIS AND NORTHWESTERN
MARION COUNTIES WILL EXPIRE AT 900 PM CDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED.  THEREFORE THE
WARNING WILL BE ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR NORTHEASTERN
MISSOURI.

REMEMBER...A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT FOR
PARTS OF NORTHERN MARION COUNTY.  LARGE HAIL AND DAMAGING
STRAIGHT LINE WINDS ARE STILL A THREAT.

LAT...LON 3987 9161 3979 9184 3981 9185 3995 9184
      4004 9179
TIME...MOT...LOC 0155Z 227DEG 19KT 3989 9177 

$$

CARNEY

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 7:23 PM CDTSevere Thunderstorm WarningLSXCrawford37 min
Apr 27, 7:39 PM CDTTornado WarningLSXLewis, Marion36 min
Apr 27, 7:39 PM CDTTornado WarningLSXKnox21 min
Apr 27, 7:46 PM CDTSevere Thunderstorm WarningLSXKnox, Shelby44 min
Apr 27, 7:59 PM CDTSevere Thunderstorm WarningLSXMarion, Shelby46 min
Apr 27, 8:30 PM CDTSevere Thunderstorm WarningLSXLewis30 min
Apr 27, 8:48 PM CDTSevere Thunderstorm WarningLSXLewis, Marion42 min
Apr 27, 9:15 PM CDTTornado Warning Tornado observedLSXLewis30 min
Apr 27, 9:24 PM CDTSevere Thunderstorm WarningLSXSaint Charles38 min
Apr 27, 9:56 PM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson34 min
Apr 27, 10:59 PM CDTSevere Thunderstorm WarningLSXJefferson, Saint Louis23 min
Apr 28, 9:53 AM CDTRiver Flood WarningLSXCallaway, Osage8 days
Apr 28, 9:53 AM CDTRiver Flood WarningLSXGasconade, Montgomery8 days
Apr 28, 9:53 AM CDTRiver Flood WarningLSXGasconade, Montgomery6 days

Nearby

Tornado Warnings in Missouri, 2016Every tornado warning in 2016Tornadoes in 2016

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.