Alert archive / Illinois / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 75, NWS St. Louis, MO

May 11, 2016Fayette County, Marion County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at May 11, 2016, 3:02 PM CDT for Fayette County, Marion County, Illinois. It was in force for 43 min. 4 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, 3:02 PM CDT (20:02 UTC)
Expired
May 11, 2016, 3:45 PM CDT
In force
43 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Hail
1.5 in
Wind
80.0 mph

Counties Fayette County, IL, Marion County, IL

The radar

The Evansville,IN radar (KVWX), 113 km from the middle of the area, began a volume at 20:05 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, 3:15 PM CDTTSTM WND DMGSandoval, ILTREE UPROOTED. LARGE BRANCHES DOWN.
May 11, 3:15 PM CDTHAIL 0.5Centralia, IL
May 11, 3:15 PM CDTHAIL 0.88Centralia, IL
May 11, 3:45 PM CDTTSTM WND DMGSalem, ILFEW TREES AND LIMBS DOWN

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, 8.0 hours before the alert went out and 157 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°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.

511 
WUUS53 KLSX 112002
SVRLSX
ILC051-121-112045-
/O.NEW.KLSX.SV.W.0075.160511T2002Z-160511T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
302 PM CDT WED MAY 11 2016

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN FAYETTE COUNTY IN SOUTH CENTRAL ILLINOIS...
  MARION COUNTY IN SOUTH CENTRAL ILLINOIS...

* UNTIL 345 PM CDT

* AT 302 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BOULDER...
  MOVING EAST AT 55 MPH.

  THIS IS A VERY DANGEROUS STORM. 

  HAZARD...80 MPH WIND GUSTS AND PING PONG BALL SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE HEAVILY DAMAGED. EXPECT 
           CONSIDERABLE DAMAGE TO ROOFS...WINDOWS...AND VEHICLES. 
           EXTENSIVE TREE DAMAGE AND POWER OUTAGES ARE LIKELY. 

* LOCATIONS IMPACTED INCLUDE...
  CENTRALIA...SALEM...VANDALIA...ST. ELMO...SANDOVAL...WAMAC...CENTRAL
  CITY...ODIN...KINMUNDY...BROWNSTOWN...PATOKA...FARINA...OMEGA...STEPHEN
  FORBES STATION...FAIRMAN...HELM...SHOBONIER...AVENA...TONTI AND LA
  CLEDE.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 70 IN ILLINOIS BETWEEN EXITS 63 AND 76.
 INTERSTATE 57 IN ILLINOIS BETWEEN EXITS 109 AND 135.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS AN EXTREMELY DANGEROUS SITUATION WITH TORNADO LIKE WIND
SPEEDS EXPECTED. MOBILE HOMES AND HIGH PROFILE VEHICLES ARE
ESPECIALLY SUSCEPTIBLE TO WINDS OF THIS MAGNITUDE AND MAY BE
OVERTURNED. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A BUILDING. THIS STORM HAS THE POTENTIAL TO CAUSE
SERIOUS INJURY AND SIGNIFICANT PROPERTY DAMAGE.

THIS IS AN EXTREMELY DANGEROUS SITUATION. THIS STORM IS PRODUCING
WIDESPREAD WIND DAMAGE ACROSS THE WARNED AREA. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!

&&

LAT...LON 3847 8871 3847 8914 3902 8912 3902 8881
      3891 8881 3892 8869
TIME...MOT...LOC 2002Z 261DEG 48KT 3866 8926 

HAIL...1.50IN
WIND...80MPH
 
$$

GLASS
2 follow-up statements
125 
WWUS53 KLSX 112022
SVSLSX

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

ILC051-121-112045-
/O.CON.KLSX.SV.W.0075.000000T0000Z-160511T2045Z/
FAYETTE IL-MARION IL-
322 PM CDT WED MAY 11 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR SOUTHEASTERN FAYETTE AND MARION COUNTIES...

AT 322 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR SALEM...MOVING
EAST AT 50 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...
CENTRALIA...SALEM...VANDALIA...SANDOVAL...WAMAC...CENTRAL CITY...ODIN...
KINMUNDY...BROWNSTOWN...PATOKA...FARINA...OMEGA...STEPHEN FORBES STATION...
FAIRMAN...HELM...SHOBONIER...AVENA...TONTI...LA CLEDE AND IUKA.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 70 IN ILLINOIS BETWEEN EXITS 63 AND 68.
 INTERSTATE 57 IN ILLINOIS BETWEEN EXITS 109 AND 135.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 3847 8914 3901 8912 3901 8881 3890 8881
      3891 8869 3847 8871
TIME...MOT...LOC 2022Z 260DEG 45KT 3858 8898 

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

GLASS
015 
WWUS53 KLSX 112038
SVSLSX

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

ILC051-121-112045-
/O.CON.KLSX.SV.W.0075.000000T0000Z-160511T2045Z/
FAYETTE IL-MARION IL-
338 PM CDT WED MAY 11 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR SOUTHEASTERN FAYETTE AND MARION COUNTIES...

AT 338 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR OMEGA...MOVING
EAST AT 35 MPH.

HAZARD...70 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE 
         TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES...
         ROOFS...AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
CENTRALIA...SALEM...VANDALIA...SANDOVAL...WAMAC...CENTRAL CITY...ODIN...
KINMUNDY...BROWNSTOWN...PATOKA...FARINA...OMEGA...STEPHEN FORBES STATION...
FAIRMAN...HELM...SHOBONIER...AVENA...TONTI...LA CLEDE AND IUKA.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 70 IN ILLINOIS BETWEEN EXITS 63 AND 68.
 INTERSTATE 57 IN ILLINOIS BETWEEN EXITS 109 AND 135.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 3847 8914 3901 8912 3901 8881 3890 8881
      3891 8869 3847 8871
TIME...MOT...LOC 2038Z 272DEG 32KT 3865 8885 

TORNADO...POSSIBLE
HAIL...1.25IN
WIND...70MPH
 
$$

GLASS

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 3:19 AM CDTDense Fog AdvisoryLSXBond, Brown, Calhoun, Clinton, Fayette, Greene and 10 more6 hr
May 11, 1:08 PM CDTSevere Thunderstorm WarningLSXMadison, Saint Clair52 min
May 11, 1:12 PM CDTSevere Thunderstorm WarningLSXMonroe, Saint Clair48 min
May 11, 1:51 PM CDTSevere Thunderstorm WarningLSXMadison, Saint Clair54 min
May 11, 1:55 PM CDTSevere Thunderstorm WarningLSXMonroe, Saint Clair65 min
May 11, 2:12 PM CDTSevere Thunderstorm WarningLSXMonroe, Randolph63 min
May 11, 2:32 PM CDTSevere Thunderstorm WarningLSXBond, Clinton, Fayette, Madison, Washington43 min
May 11, 3:13 PM CDTSevere Thunderstorm WarningLSXBond, Clinton, Fayette, Washington47 min
May 11, 3:15 PM CDTSevere Thunderstorm WarningLSXMonroe, Randolph, Saint Clair45 min
May 11, 3:43 PM CDTSevere Thunderstorm WarningLSXFayette, Marion33 min
May 11, 3:52 PM CDTFlash Flood WarningLSXClinton, Monroe, Randolph, Saint Clair, Washington4 hr
May 11, 3:57 PM CDTSevere Thunderstorm WarningLSXMonroe, Randolph63 min
May 11, 3:59 PM CDTSevere Thunderstorm WarningLSXRandolph, Saint Clair, Washington19 min
May 11, 4:45 PM CDTSevere Thunderstorm WarningLSXMonroe, Randolph60 min
May 11, 5:23 PM CDTSevere Thunderstorm WarningLSXRandolph52 min
May 11, 5:26 PM CDTFlash Flood WarningLSXRandolph4 hr
May 11, 6:50 PM CDTSevere Thunderstorm WarningLSXCalhoun, Greene, Jersey, Pike40 min

Nearby

Severe 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.