Alert archive / Missouri / Tornado Warnings in 2016

Tornado Warning 6, NWS St. Louis, MO

April 27, 2016Lewis County, Marion County, Missouri

NWS St. Louis, MO issued this tornado warning at Apr 27, 2016, 7:39 PM CDT for Lewis County, Marion County, Missouri. It was in force for 36 min. 1 report 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, 7:39 PM CDT (00:39 UTC)
Expired
Apr 27, 2016, 8:15 PM CDT
In force
36 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Lewis County, MO, Marion County, MO

The radar

The St Louis radar (KLSX), 176 km from the middle of the area, began a volume at 00:41 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, 7:51 PM CDTHAIL 11 Se Monticello, MOMOSTLY NICKEL SIZE HAIL...A FEW WERE QUARTER SIZE.

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, 0.7 hours before the alert went out and 202 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.

035 
WFUS53 KLSX 280039
TORLSX
MOC111-127-280115-
/O.NEW.KLSX.TO.W.0006.160428T0039Z-160428T0115Z/

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

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

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

* UNTIL 815 PM CDT
    
* AT 739 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED OVER EWING...MOVING NORTH AT 15 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...
  LEWISTOWN AROUND 800 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
MONTICELLO.

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 4021 9154 3993 9163 3994 9184 3995 9184
      3995 9187 4023 9190
TIME...MOT...LOC 0039Z 184DEG 14KT 4001 9175 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

CARNEY
3 follow-up statements
979 
WWUS53 KLSX 280050
SVSLSX

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

MOC127-280100-
/O.CAN.KLSX.TO.W.0006.000000T0000Z-160428T0115Z/
MARION MO-
750 PM CDT WED APR 27 2016

...THE TORNADO WARNING FOR NORTHWESTERN MARION 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 4021 9154 4001 9162 4001 9182 4022 9179
TIME...MOT...LOC 0050Z 195DEG 14KT 4006 9173 

$$

MOC111-280115-
/O.CON.KLSX.TO.W.0006.000000T0000Z-160428T0115Z/
LEWIS MO-
750 PM CDT WED APR 27 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR CENTRAL
LEWIS COUNTY...
    
AT 750 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR EWING...MOVING NORTH AT 15 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 TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
CENTRAL LEWIS COUNTY...INCLUDING THE FOLLOWING LOCATIONS: MONTICELLO.

LAT...LON 4021 9154 4001 9162 4001 9182 4022 9179
TIME...MOT...LOC 0050Z 195DEG 14KT 4006 9173 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

CARNEY
244 
WWUS53 KLSX 280103
SVSLSX

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

MOC111-280115-
/O.CON.KLSX.TO.W.0006.000000T0000Z-160428T0115Z/
LEWIS MO-
803 PM CDT WED APR 27 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR CENTRAL
LEWIS COUNTY...
    
AT 803 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR LEWISTOWN...MOVING NORTH AT 20 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. 

LOCATIONS IMPACTED INCLUDE...
MONTICELLO.

LAT...LON 4021 9154 4006 9163 4007 9176 4022 9174
TIME...MOT...LOC 0103Z 194DEG 17KT 4013 9170 

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

$$

CARNEY
458 
WWUS53 KLSX 280111
SVSLSX

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

MOC111-280121-
/O.EXP.KLSX.TO.W.0006.000000T0000Z-160428T0115Z/
LEWIS MO-
811 PM CDT WED APR 27 2016

...THE TORNADO WARNING FOR CENTRAL LEWIS COUNTY WILL EXPIRE AT 815 PM
CDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER SMALL HAIL
AND GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR NORTHEASTERN
MISSOURI.

LAT...LON 4021 9154 4006 9163 4007 9176 4022 9174
TIME...MOT...LOC 0110Z 184DEG 14KT 4013 9170 

$$

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 WarningLSXKnox21 min
Apr 27, 7:46 PM CDTSevere Thunderstorm WarningLSXKnox, Shelby44 min
Apr 27, 7:59 PM CDTSevere Thunderstorm WarningLSXMarion, Shelby46 min
Apr 27, 8:23 PM CDTTornado WarningLSXLewis, Marion, Shelby37 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.