Alert archive / Illinois / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 79, NWS St. Louis, MO

May 11, 2016Fayette County, Marion County, Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at May 11, 2016, 3:43 PM CDT for Fayette County, Marion County, Illinois. It was in force for 33 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: May 11, 2016, 3:43 PM CDT (20:43 UTC)
Expired: May 11, 2016, 4:16 PM CDT
In force: 33 min
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 70.0 mph

Counties Fayette County, IL, Marion County, IL

The radar

The Evansville,IN radar (KVWX), 115 km from the middle of the area, began a volume at 20:45 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

Time	Report	Where	Remark
May 11, 3:45 PM CDT	TSTM WND DMG	Salem, IL	FEW 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.

Issued	Product	Office	Lasted
May 11, 12:10 PM CDT	Severe Thunderstorm Watch	SPC	12 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.7 hours before the alert went out and 162 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

096 
WUUS53 KLSX 112043
SVRLSX
ILC051-121-112130-
/O.NEW.KLSX.SV.W.0079.160511T2043Z-160511T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
343 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 430 PM CDT

* AT 342 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR OMEGA...MOVING
  EAST AT 55 MPH.

  HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL. THIS STORM HAS A
           HISTORY OF DAMAGING WINDS.

  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...CENTRAL CITY...ODIN...KINMUNDY...
  BROWNSTOWN...PATOKA...FARINA...OMEGA...STEPHEN FORBES STATION...FAIRMAN...
  HELM...SHOBONIER...AVENA...TONTI...LA CLEDE...IUKA AND JUNCTION CITY.

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.

&&

LAT...LON 3847 8900 3848 8913 3901 8911 3901 8882
      3891 8881 3891 8869 3847 8870
TIME...MOT...LOC 2042Z 260DEG 47KT 3868 8885 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
 
$$

GLASS

2 follow-up statements

433 
WWUS53 KLSX 112106
SVSLSX

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

ILC051-121-112130-
/O.CON.KLSX.SV.W.0079.000000T0000Z-160511T2130Z/
FAYETTE IL-MARION IL-
406 PM CDT WED MAY 11 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR SOUTHEASTERN FAYETTE AND NORTHEASTERN MARION COUNTIES...

AT 406 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR FARINA...MOVING
NORTHEAST AT 50 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...
KINMUNDY...BROWNSTOWN...FARINA...OMEGA...STEPHEN FORBES STATION...AVENA...
LA CLEDE...IUKA...ST. PETER...ST. JAMES...LOOGOOTEE AND BRUBAKER.

THIS INCLUDES INTERSTATE 57 IN ILLINOIS BETWEEN EXITS 127 AND 135.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3863 8888 3901 8896 3901 8882 3891 8881
      3891 8869 3862 8870
TIME...MOT...LOC 2106Z 241DEG 44KT 3885 8872 

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

GLASS

241 
WWUS53 KLSX 112116
SVSLSX

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

ILC051-121-112125-
/O.CAN.KLSX.SV.W.0079.000000T0000Z-160511T2130Z/
FAYETTE IL-MARION IL-
416 PM CDT WED MAY 11 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN FAYETTE AND
NORTHEASTERN MARION COUNTIES IS CANCELLED...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM CDT FOR
SOUTH CENTRAL ILLINOIS.

LAT...LON 3863 8888 3901 8896 3901 8882 3891 8881
      3891 8869 3862 8870
TIME...MOT...LOC 2114Z 260DEG 47KT 3887 8856 

$$

GLASS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 11, 3:19 AM CDT	Dense Fog Advisory	LSX	Bond, Brown, Calhoun, Clinton, Fayette, Greene and 10 more	6 hr
May 11, 1:08 PM CDT	Severe Thunderstorm Warning	LSX	Madison, Saint Clair	52 min
May 11, 1:12 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Saint Clair	48 min
May 11, 1:51 PM CDT	Severe Thunderstorm Warning	LSX	Madison, Saint Clair	54 min
May 11, 1:55 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Saint Clair	65 min
May 11, 2:12 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Randolph	63 min
May 11, 2:32 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Fayette, Madison, Washington	43 min
May 11, 3:02 PM CDT	Severe Thunderstorm Warning	LSX	Fayette, Marion	43 min
May 11, 3:13 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Fayette, Washington	47 min
May 11, 3:15 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Randolph, Saint Clair	45 min
May 11, 3:52 PM CDT	Flash Flood Warning	LSX	Clinton, Monroe, Randolph, Saint Clair, Washington	4 hr
May 11, 3:57 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Randolph	63 min
May 11, 3:59 PM CDT	Severe Thunderstorm Warning	LSX	Randolph, Saint Clair, Washington	19 min
May 11, 4:45 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Randolph	60 min
May 11, 5:23 PM CDT	Severe Thunderstorm Warning	LSX	Randolph	52 min
May 11, 5:26 PM CDT	Flash Flood Warning	LSX	Randolph	4 hr
May 11, 6:50 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Greene, Jersey, Pike	40 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2016 Every 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.