Alert archive / Missouri / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 28, NWS St. Louis, MO

April 27, 2016Marion County, Shelby County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Apr 27, 2016, 7:59 PM CDT for Marion County, Shelby County, Missouri. It was in force for 46 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 27, 2016, 7:59 PM CDT (00:59 UTC)
Expired
Apr 27, 2016, 8:45 PM CDT
In force
46 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Marion County, MO, Shelby County, MO

The radar

The St Louis radar (KLSX), 163 km from the middle of the area, began a volume at 01:03 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, 8:20 PM CDTFUNNEL CLOUD1 Nw Emden, MO
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.

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, 1.0 hours before the alert went out and 233 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°0°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.

249 
WUUS53 KLSX 280059
SVRLSX
MOC127-205-280145-
/O.NEW.KLSX.SV.W.0028.160428T0059Z-160428T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
759 PM CDT WED APR 27 2016

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN SHELBY COUNTY IN NORTHEASTERN MISSOURI...
  NORTHWESTERN MARION COUNTY IN NORTHEASTERN MISSOURI...

* UNTIL 845 PM CDT

* AT 759 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR SHELBINA...
  MOVING NORTHEAST AT 35 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  SHELBINA...SHELBYVILLE...EMDEN AND PHILADELPHIA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

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

LAT...LON 3995 9158 3966 9191 3966 9205 3973 9215
      3982 9208 3981 9194 3995 9195
TIME...MOT...LOC 0059Z 214DEG 30KT 3975 9199 

HAIL...1.00IN
WIND...60MPH
 
$$

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, 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

Severe Thunderstorm Warnings in Missouri, 2016Every severe thunderstorm warning 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.