Alert archive / Missouri / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 83, NWS St. Louis, MO

May 11, 20164 counties in Missouri; Monroe County, Randolph County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at May 11, 2016, 4:45 PM CDT for 4 counties in Missouri; Monroe County, Randolph County, Illinois. It was in force for 60 min. 17 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, 4:45 PM CDT (21:45 UTC)
Expired
May 11, 2016, 5:45 PM CDT
In force
60 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Hail
1.75 in
Wind
70.0 mph

Counties Monroe County, IL, Randolph County, IL, Jefferson County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 107 km from the middle of the area, began a volume at 21:48 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, 4:45 PM CDTTSTM WND DMGBloomsdale, MOTREES DOWN
May 11, 4:45 PM CDTTSTM WND DMGSte. Genevieve, MOFEW TREES DOWN BLOCKING 1 LANE OF US HIGHWAY 61
May 11, 4:45 PM CDTHAIL 15 S Ruma, IL
May 11, 4:45 PM CDTHAIL 1.75Bloomsdale, MOTREES DOWN
May 11, 4:50 PM CDTHAIL 1.751 S Bonne Terre, MO
May 11, 4:51 PM CDTHAIL 1.751 N Desloge, MO
May 11, 4:53 PM CDTHAIL 0.252 Ne French Village, MO
May 11, 4:55 PM CDTHAIL 1Ste. Genevieve, MO
May 11, 4:55 PM CDTHAIL 2Park Hills, MOREPORT RELAYED BY BROADCAST MEDIA. HAILED FOR 30 MINUTES FROM 455 PM TO 525 PM. VEHICLE DAMAGE.
May 11, 4:58 PM CDTHAIL 1.75Desloge, MO
May 11, 5:02 PM CDTHAIL 1Evansville, IL
May 11, 5:05 PM CDTTSTM WND DMGSte. Genevieve, MOSCATTERED TREES DOWN THROUGHOUT THE CITY AND COUNTY
May 11, 5:09 PM CDTHAIL 0.5Ellis Grove, IL
May 11, 5:11 PM CDTHAIL 0.5Bismarck, MO
May 11, 5:14 PM CDTHAIL 1Park Hills, MO
May 11, 5:17 PM CDTTSTM WND DMGEvansville, ILTREES BLOCKING THE ROAD WEST SIDE OF EVANSVILLE. WIND GUST 71 MPH
May 11, 5:28 PM CDTHAIL 1St. Mary, 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
May 11, 12:10 PM CDTSevere Thunderstorm WatchSPC12 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.8 hours before the alert went out and 292 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.

982 
WUUS53 KLSX 112145
SVRLSX
ILC133-157-MOC099-186-187-221-112245-
/O.NEW.KLSX.SV.W.0083.160511T2145Z-160511T2245Z/

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

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL RANDOLPH COUNTY IN SOUTHWESTERN ILLINOIS...
  SOUTH CENTRAL MONROE COUNTY IN SOUTHWESTERN ILLINOIS...
  ST. FRANCOIS COUNTY IN SOUTHEASTERN MISSOURI...
  STE. GENEVIEVE COUNTY IN SOUTHEASTERN MISSOURI...
  SOUTHEASTERN JEFFERSON COUNTY IN EAST CENTRAL MISSOURI...
  SOUTHEASTERN WASHINGTON COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 545 PM CDT

* AT 445 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR EVANSVILLE TO NEAR IRONDALE...MOVING SOUTH AT 10
  MPH.

  HAZARD...GOLF BALL SIZE HAIL AND 70 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
           DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT 
           CONSIDERABLE TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO 
           MOBILE HOMES...ROOFS...AND OUTBUILDINGS. 

* LOCATIONS IMPACTED INCLUDE...
  FARMINGTON...CHESTER...BONNE TERRE...DESLOGE...STE. GENEVIEVE...
  BISMARCK...LEADWOOD...PARK HILLS...IRON MOUNTAIN LAKE...EVANSVILLE...
  BLOOMSDALE...IRONDALE...ST. MARY...IRON MOUNTAIN...COFFMAN...ROCKY
  RIDGE...KNOB LICK...WEINGARTEN...PRAIRIE DU ROCHER AND PRAIRIE.

THIS INCLUDES INTERSTATE 55 IN MISSOURI BETWEEN EXITS 141 AND 162.
 
THIS ALSO INCLUDES  ST. JOE STATE PARK...ST. FRANCOIS STATE PARK...HAWN
STATE PARK...FELIX VALLE HOUSE STATE PARK...AND MISSOURI MINES HISTORIC
SITE.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN ST LOUIS.

&&

LAT...LON 3767 9065 3773 9064 3774 9067 3790 9073
      3810 9041 3818 8995 3783 8967 3781 8967
      3785 8974 3785 8979 3788 8980 3791 8984
      3787 8990 3787 8994 3785 8996 3772 9007
      3764 9062 3764 9064
TIME...MOT...LOC 2145Z 337DEG 7KT 3803 8996 3783 9063 

HAIL...1.75IN
WIND...70MPH
 
$$

TES
2 follow-up statements
550 
WUUS53 KLSX 112148 CCA
SVRLSX
ILC133-157-MOC099-186-187-221-112245-
/O.COR.KLSX.SV.W.0083.160511T2145Z-160511T2245Z/

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

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL RANDOLPH COUNTY IN SOUTHWESTERN ILLINOIS...
  SOUTH CENTRAL MONROE COUNTY IN SOUTHWESTERN ILLINOIS...
  ST. FRANCOIS COUNTY IN SOUTHEASTERN MISSOURI...
  STE. GENEVIEVE COUNTY IN SOUTHEASTERN MISSOURI...
  SOUTHEASTERN JEFFERSON COUNTY IN EAST CENTRAL MISSOURI...
  SOUTHEASTERN WASHINGTON COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 545 PM CDT

* AT 445 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR EVANSVILLE TO NEAR IRONDALE...MOVING SOUTHEAST
  AT 10 MPH.

  HAZARD...GOLF BALL SIZE HAIL AND 70 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
           DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT 
           CONSIDERABLE TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO 
           MOBILE HOMES...ROOFS...AND OUTBUILDINGS. 

* LOCATIONS IMPACTED INCLUDE...
  FARMINGTON...CHESTER...BONNE TERRE...DESLOGE...STE. GENEVIEVE...
  BISMARCK...LEADWOOD...PARK HILLS...IRON MOUNTAIN LAKE...EVANSVILLE...
  BLOOMSDALE...IRONDALE...ST. MARY...IRON MOUNTAIN...COFFMAN...ROCKY
  RIDGE...KNOB LICK...WEINGARTEN...PRAIRIE DU ROCHER AND PRAIRIE.

THIS INCLUDES INTERSTATE 55 IN MISSOURI BETWEEN EXITS 141 AND 162.
 
THIS ALSO INCLUDES  ST. JOE STATE PARK...ST. FRANCOIS STATE PARK...HAWN
STATE PARK...FELIX VALLE HOUSE STATE PARK...AND MISSOURI MINES HISTORIC
SITE.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN ST LOUIS.

&&

LAT...LON 3767 9065 3773 9064 3774 9067 3790 9073
      3810 9041 3818 8995 3783 8967 3781 8967
      3785 8974 3785 8979 3788 8980 3791 8984
      3787 8990 3787 8994 3785 8996 3772 9007
      3764 9062 3764 9064
TIME...MOT...LOC 2145Z 337DEG 7KT 3803 8996 3783 9063 

TORNADO...POSSIBLE
HAIL...1.75IN
WIND...70MPH
 
$$

TES
755 
WWUS53 KLSX 112209
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
509 PM CDT WED MAY 11 2016

ILC133-MOC099-112217-
/O.CAN.KLSX.SV.W.0083.000000T0000Z-160511T2245Z/
MONROE IL-JEFFERSON MO-
509 PM CDT WED MAY 11 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL MONROE AND
SOUTHEASTERN JEFFERSON COUNTIES IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM CDT FOR
SOUTHWESTERN ILLINOIS...AND SOUTHEASTERN MISSOURI.

LAT...LON 3767 9065 3773 9064 3774 9067 3790 9073
      3801 9055 3802 9035 3812 8990 3783 8967
      3782 8968 3785 8974 3785 8979 3788 8980
      3791 8984 3787 8990 3787 8994 3785 8996
      3772 9007 3764 9064
TIME...MOT...LOC 2207Z 018DEG 13KT 3798 8992 3791 9001 3778 9071 

$$

ILC157-MOC186-187-221-112245-
/O.CON.KLSX.SV.W.0083.000000T0000Z-160511T2245Z/
RANDOLPH IL-ST. FRANCOIS MO-STE. GENEVIEVE MO-WASHINGTON MO-
509 PM CDT WED MAY 11 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR CENTRAL RANDOLPH...ST. FRANCOIS...STE. GENEVIEVE AND SOUTHEASTERN
WASHINGTON COUNTIES...

AT 507 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES NORTHWEST OF CHESTER TO NEAR ST. MARY TO NEAR
IRONDALE...MOVING SOUTH AT 15 MPH.

HAZARD...GOLF BALL SIZE HAIL AND 70 MPH WIND GUSTS. 

SOURCE...TRAINED WEATHER SPOTTERS HAVE REPORTED HAIL TO THE SIZE OF
         GOLF BALLS...MOST RECENTLY IN DESLOGE. IN ADDITION...THESE
         STORMS HAVE EXHIBITED PERSISTENT ROTATION TO THEM. 

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
         DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT 
         CONSIDERABLE TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO 
         MOBILE HOMES...ROOFS...AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
FARMINGTON...CHESTER...BONNE TERRE...DESLOGE...STE. GENEVIEVE...BISMARCK...
LEADWOOD...PARK HILLS...IRON MOUNTAIN LAKE...EVANSVILLE...BLOOMSDALE...
IRONDALE...ST. MARY...IRON MOUNTAIN...COFFMAN...ROCKY RIDGE...KNOB LICK...
WEINGARTEN...PRAIRIE DU ROCHER AND LEADINGTON.

THIS ALSO INCLUDES  ST. JOE STATE PARK...ST. FRANCOIS STATE PARK...HAWN
STATE PARK...FELIX VALLE HOUSE STATE PARK...AND MISSOURI MINES HISTORIC
SITE.
 
THIS INCLUDES INTERSTATE 55 IN MISSOURI BETWEEN EXITS 141 AND 157.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THESE STORMS ARE PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
ST LOUIS.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 3767 9065 3773 9064 3774 9067 3790 9073
      3801 9055 3802 9035 3812 8990 3783 8967
      3782 8968 3785 8974 3785 8979 3788 8980
      3791 8984 3787 8990 3787 8994 3785 8996
      3772 9007 3764 9064
TIME...MOT...LOC 2207Z 018DEG 13KT 3798 8992 3791 9001 3778 9071 

TORNADO...POSSIBLE
HAIL...1.75IN
WIND...70MPH
 
$$

TES

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, 10:25 AM CDTSevere Thunderstorm WarningLSXAudrain, Callaway50 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, 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
May 11, 2:32 PM CDTSevere Thunderstorm WarningLSXBond, Clinton, Fayette, Madison, Washington43 min
May 11, 3:02 PM CDTSevere Thunderstorm WarningLSXFayette, Marion43 min
May 11, 3:13 PM CDTSevere Thunderstorm WarningLSXBond, Clinton, Fayette, Washington47 min
May 11, 3:43 PM CDTSevere Thunderstorm WarningLSXFayette, Marion33 min
May 11, 3:59 PM CDTSevere Thunderstorm WarningLSXRandolph, Saint Clair, Washington19 min
May 11, 5:23 PM CDTSevere Thunderstorm WarningLSXRandolph52 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2016Severe Thunderstorm Warnings in Illinois, 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.