Alert archive / Missouri / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 63, NWS St. Louis, MO

May 11, 2016Audrain County, Callaway County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 11, 2016, 10:25 AM CDT for Audrain County, Callaway County, Missouri. It was in force for 50 min. 3 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 11, 2016, 10:25 AM CDT (15:25 UTC)
Expired
May 11, 2016, 11:15 AM CDT
In force
50 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Audrain County, MO, Callaway County, MO

The radar

The St Louis radar (KLSX), 104 km from the middle of the area, began a volume at 15:28 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 11, 10:35 AM CDTHAIL 12 N Auxvasse, MO
May 11, 10:41 AM CDTHAIL 0.88Auxvasse, MONICKEL SIZE HAIL FOR ALMOST 10 MINUTES. VIA FACEBOOK.
May 11, 11:00 AM CDTHAIL 0.25Martinsburg, MO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 3.4 hours before the alert went out and 298 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 2016-05-11Temperature 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, Lincoln, IL at 12:00Z on 2016-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.193958Sfc1 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
905 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

385 
WUUS53 KLSX 111525
SVRLSX
MOC007-027-111615-
/O.NEW.KLSX.SV.W.0063.160511T1525Z-160511T1615Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1025 AM CDT WED MAY 11 2016

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN CALLAWAY COUNTY IN CENTRAL MISSOURI...
  SOUTH CENTRAL AUDRAIN COUNTY IN CENTRAL MISSOURI...

* UNTIL 1115 AM CDT

* AT 1025 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR AUXVASSE...
  MOVING EAST AT 30 MPH.

  HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  AUXVASSE...MARTINSBURG...SHAMROCK...KINGDOM CITY AND HATTON. 

THIS INCLUDES INTERSTATE 70 IN MISSOURI NEAR EXIT 144.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3906 9204 3916 9162 3915 9162 3915 9163
      3906 9163 3898 9164 3894 9204
TIME...MOT...LOC 1525Z 273DEG 25KT 3905 9197 

HAIL...1.25IN
WIND...60MPH
 
$$

KELLY
1 follow-up statement
072 
WWUS53 KLSX 111538
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1038 AM CDT WED MAY 11 2016

MOC007-027-111615-
/O.CON.KLSX.SV.W.0063.000000T0000Z-160511T1615Z/
CALLAWAY MO-AUDRAIN MO-
1038 AM CDT WED MAY 11 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 AM CDT
FOR NORTHEASTERN CALLAWAY AND SOUTH CENTRAL AUDRAIN COUNTIES...

AT 1038 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR AUXVASSE...
MOVING EAST AT 30 MPH.

HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

SOURCE...TRAINED WEATHER SPOTTERS REPORTED QUARTER SIZE HAIL WITH
         THIS STORM.

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

LOCATIONS IMPACTED INCLUDE...
AUXVASSE...MARTINSBURG AND SHAMROCK. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3907 9199 3916 9162 3915 9162 3915 9163
      3906 9163 3898 9164 3896 9189
TIME...MOT...LOC 1538Z 273DEG 25KT 3905 9185 

HAIL...1.25IN
WIND...60MPH
 
$$

KELLY

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 3:19 AM CDTDense Fog AdvisoryLSXJefferson, Lincoln, Madison, Pike, Saint Charles, Sainte Genevieve and 3 more6 hr
May 11, 10:08 AM CDTSevere Thunderstorm WarningLSXAudrain, Boone52 min
May 11, 10:52 AM CDTSevere Thunderstorm WarningLSXAudrain, Callaway, Montgomery, Pike38 min
May 11, 11:24 AM CDTSevere Thunderstorm WarningLSXLincoln, Montgomery, Pike51 min
May 11, 12:26 PM CDTSevere Thunderstorm WarningLSXFranklin, Saint Charles, Saint Louis, Warren49 min
May 11, 12:29 PM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson, Washington46 min
May 11, 12:47 PM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson, Saint Louis28 min
May 11, 1:08 PM CDTSevere Thunderstorm WarningLSXSaint Charles, Saint Louis, City of Saint Louis52 min
May 11, 1:12 PM CDTSevere Thunderstorm WarningLSXJefferson, Saint Louis48 min
May 11, 1:51 PM CDTSevere Thunderstorm WarningLSXSaint Charles, Saint Louis, City of Saint Louis54 min
May 11, 1:55 PM CDTSevere Thunderstorm WarningLSXSaint Louis65 min
May 11, 2:12 PM CDTSevere Thunderstorm WarningLSXJefferson, Sainte Genevieve63 min
May 11, 3:11 PM CDTSevere Thunderstorm WarningLSXSaint Francois, Washington49 min
May 11, 3:15 PM CDTSevere Thunderstorm WarningLSXJefferson, Sainte Genevieve, Saint Francois45 min
May 11, 3:52 PM CDTFlash Flood WarningLSXJefferson, Sainte Genevieve4 hr
May 11, 3:57 PM CDTSevere Thunderstorm WarningLSXJefferson, Sainte Genevieve63 min
May 11, 4:05 PM CDTSevere Thunderstorm WarningLSXSainte Genevieve, Saint Francois, Washington40 min
May 11, 4:45 PM CDTSevere Thunderstorm WarningLSXJefferson, Sainte Genevieve, Saint Francois, Washington60 min
May 11, 5:16 PM CDTSevere Thunderstorm WarningLSXAudrain, Montgomery, Pike, Ralls44 min
May 11, 5:18 PM CDTSevere Thunderstorm WarningLSXCrawford27 min
May 11, 5:18 PM CDTSevere Thunderstorm WarningLSXFranklin, Gasconade, Montgomery, Osage, Warren42 min
May 11, 5:26 PM CDTFlash Flood WarningLSXSainte Genevieve, Saint Francois4 hr
May 11, 5:35 PM CDTSevere Thunderstorm WarningLSXCallaway, Montgomery40 min
May 11, 5:45 PM CDTSevere Thunderstorm WarningLSXSaint Francois, Washington45 min
May 11, 5:56 PM CDTSevere Thunderstorm WarningLSXAudrain, Lincoln, Montgomery, Pike, Ralls64 min
May 11, 6:12 PM CDTSevere Thunderstorm WarningLSXCallaway, Lincoln, Montgomery, Warren48 min
May 11, 6:29 PM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson, Sainte Genevieve, Saint Francois, Washington46 min
May 11, 6:42 PM CDTSevere Thunderstorm WarningLSXPike, Ralls48 min
May 11, 6:50 PM CDTSevere Thunderstorm WarningLSXLincoln, Montgomery, Pike, Saint Charles, Warren40 min

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.