Alert archive / Illinois / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 148, NWS St. Louis, MO

July 13, 20169 counties in Illinois

NWS St. Louis, MO issued this severe thunderstorm warning at Jul 13, 2016, 3:48 PM CDT for 9 counties in Illinois. It was in force for 57 min. 60 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
Jul 13, 2016, 3:48 PM CDT (20:48 UTC)
Expired
Jul 13, 2016, 4:45 PM CDT
In force
57 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

Counties Bond County, IL, Clinton County, IL, Macoupin County, IL, Madison County, IL, Monroe County, IL, Montgomery County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL

The radar

The St Louis radar (KLSX), 96 km from the middle of the area, began a volume at 20:48 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
Jul 13, 3:50 PM CDTTSTM WND DMGBelleville, ILTREES DOWN AT IL 161 AND NORTH BELT WEST
Jul 13, 3:50 PM CDTTSTM WND DMGSwansea, ILDAMAGE TO GARAGE. SIDING AND PORTION OF UPPER WALL BLOWN OFF
Jul 13, 3:51 PM CDTTSTM WND DMGFreeburg, ILTREES DOWN ... SHINGLES RIPPED OFF ROOFS AND DAMAGING TO SIDING.
Jul 13, 3:52 PM CDTTSTM WND DMGBelleville, ILTREES AND POWER LINES DOWN
Jul 13, 3:52 PM CDTTSTM WND DMGRed Bud, ILTREES AND POWER LINES DOWN
Jul 13, 3:53 PM CDTTSTM WND GST 45Collinsville, IL
Jul 13, 3:53 PM CDTTSTM WND GST 47Edwardsville, IL
Jul 13, 3:54 PM CDTTSTM WND DMGEdwardsville, ILTREES AND POWER LINES DOWN
Jul 13, 3:55 PM CDTTSTM WND DMGCollinsville, ILBUSSINESS SIGN DAMAGED NEAR CONVENTION CENTER
Jul 13, 3:57 PM CDTTSTM WND DMGFreeburg, ILTREES AND LIMBS DOWN
Jul 13, 3:58 PM CDTTSTM WND DMGRed Bud, ILLARGE LIMBS DOWN
Jul 13, 3:58 PM CDTTSTM WND GST 53O'Fallon, IL
Jul 13, 3:58 PM CDTTSTM WND GST 61Troy, IL
Jul 13, 4:00 PM CDTTSTM WND DMG3 N St. Jacob, ILPOLE POLES SNAPPED
Jul 13, 4:00 PM CDTTSTM WND DMGBaldwin, ILTREES AND POWER LINES DOWN
Jul 13, 4:00 PM CDTTSTM WND DMGCarlinville, ILTREES AND POWER LINES DOWN
Jul 13, 4:00 PM CDTTSTM WND DMGLebanon, ILTREES DOWN
Jul 13, 4:00 PM CDTTSTM WND DMGScott Afb, IL10 DIAMETER TREE DOWN
Jul 13, 4:00 PM CDTTSTM WND GST 57Freeburg, ILNUMEROUS TREES DOWN WITH ROADS BLOCKED. SEVERAL POWER POLES DOWN. A FEW HOMES DAMAGE DUE TO FALLEN TREES.
Jul 13, 4:00 PM CDTTSTM WND GST 61Scott Afb, IL
Jul 13, 4:02 PM CDTTSTM WND DMGMascoutah, ILFEW TREES AND LIMBS DOWN
Jul 13, 4:03 PM CDTTSTM WND DMGMaryville, IL6 LIMBS DOWN
Jul 13, 4:04 PM CDTTSTM WND DMGWorden, ILTREES AND LIMBS DOWN
Jul 13, 4:05 PM CDTTSTM WND GST 57Freeburg, ILMULTIPLE REPORTS OF POWER LINES AND TREES DOWN IN FREEBURG AND COUNTYWIDE
Jul 13, 4:06 PM CDTTSTM WND DMGAlhambra, ILTREES AND LIMBS DOWN
Jul 13, 4:07 PM CDTTSTM WND DMGTrenton, ILTREES AND LIMBS DOWN
Jul 13, 4:10 PM CDTTSTM WND DMGHighland, ILTREES AND POWER LINES DOWN
Jul 13, 4:10 PM CDTTSTM WND DMGMarissa, ILTREES AND POWER LINES DOWN
Jul 13, 4:10 PM CDTTSTM WND DMGNew Baden, ILTREES AND POWER LINES DOWN
Jul 13, 4:12 PM CDTTSTM WND DMGHighland, ILLARGE TREE LIMBS DOWN
Jul 13, 4:13 PM CDTTSTM WND DMGDamiansville, ILTREES AND POWER LINES DOWN
Jul 13, 4:13 PM CDTTSTM WND DMGLively Grove, ILTREES AND POWER LINES DOWN
Jul 13, 4:14 PM CDTTSTM WND DMG3 W Okawville, ILTREES BLOCKING ROAD NEAR VENEDY STATION...ONE HALF MILE SOUTH OF HIGHWAY 160 177.
Jul 13, 4:15 PM CDTTSTM WND DMG3 S Highland, IL3 TREE LIMBS 8 INCHES IN DIAMETER AND AN ADDITIONAL 3 LIMBS 3 TO 5 INCHES IN DIAMETER DOWN ALONG HIGHWAY 160.
Jul 13, 4:15 PM CDTTSTM WND DMG4 S Highland, ILONE LARGE TREE...ONE FOOT IN DIAMETER...AND SEVERAL 6-8 INCH IN DIAMETER BRANCHES DOWN.
Jul 13, 4:15 PM CDTTSTM WND GST 61Troy, ILMEASURED ON DAVIS VANTAGE
Jul 13, 4:16 PM CDTTSTM WND DMGOkawville, ILTREES AND POWER LINES DOWN
Jul 13, 4:18 PM CDTTSTM WND DMGBreese, ILTREES AND POWER LINES DOWN
Jul 13, 4:18 PM CDTTSTM WND DMGSt. Rose, ILTREES AND POWER LINES DOWN
Jul 13, 4:19 PM CDTTSTM WND DMGAddieville, ILTREES AND POWER LINES DOWN
Jul 13, 4:20 PM CDTTSTM WND DMGBartelso, ILTREES AND POWER LINES DOWN
Jul 13, 4:20 PM CDTTSTM WND DMGNashville, IL8 - 10 TREE LIMBS DOWN
Jul 13, 4:20 PM CDTTSTM WND DMGPocahontas, ILTREES AND POWER LINES DOWN
Jul 13, 4:20 PM CDTTSTM WND DMGWaggoner, ILTREES AND POWER LINES DOWN.
Jul 13, 4:21 PM CDTTSTM WND DMG4 S Highland, ILONE LARGE TREE...ONE FOOT IN DIAMETER...AND SEVERAL 6-8 INCH IN DIAMETER BRANCHES DOWN.
Jul 13, 4:21 PM CDTTSTM WND DMGHighland, ILPORTIONS OF SIDING AND GUTTERS BLOWN OFF TWO HOUSES
Jul 13, 4:21 PM CDTTSTM WND DMGHighland, ILNUMEROUS TREES DOWN AROUND THE CITY
Jul 13, 4:24 PM CDTTSTM WND DMGCarlyle, ILSHINGLES BLOWN OFF ROOF AND MULTIPLE TREES DOWN.
Jul 13, 4:24 PM CDTTSTM WND DMGDonnellson, ILTREES AND POWER LINES DOWN.
Jul 13, 4:24 PM CDTTSTM WND DMGDonnellson, ILDAMAGE TO TWO GIN BINS AND SHED COMPLETELY GONE
Jul 13, 4:24 PM CDTTSTM WND DMGLitchfield, ILNUMEROUS TREES... LIMBS AND POWER LINES DOWN THROUGHOUT MONTGOMERY COUNTY.
Jul 13, 4:24 PM CDTTSTM WND DMGLitchfield, ILTREES AND POWER LINES DOWN.
Jul 13, 4:25 PM CDTTSTM WND DMGCarlyle, ILTREES AND POWER LINES DOWN
Jul 13, 4:25 PM CDTTSTM WND DMGGreenville, ILTREES AND POWER LINES DOWN
Jul 13, 4:25 PM CDTTSTM WND DMGNashville, ILTREES AND POWER LINES DOWN
Jul 13, 4:28 PM CDTTSTM WND DMGCoffeen, ILTREES AND POWER LINES DOWN.
Jul 13, 4:28 PM CDTTSTM WND DMGGreenville, ILLARGE TREE LIMBS DOWN. AMATEUR RADIO ANTENNA BENT.
Jul 13, 4:28 PM CDTTSTM WND GST 53Greenville, IL
Jul 13, 4:30 PM CDTTSTM WND DMGHillsboro, ILTREES AND P0WER LINES DOWN.
Jul 13, 4:40 PM CDTTSTM WND DMGCarlyle, ILTREES 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
Jul 13, 2:37 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.8 hours before the alert went out and 177 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 2016-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1355 joules per kilogram.LCLLFCEL10008507005003002001001 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 2016-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 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
1355 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
1044 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
138 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

701 
WUUS53 KLSX 132048
SVRLSX
ILC005-027-117-119-133-135-157-163-189-132145-
/O.NEW.KLSX.SV.W.0148.160713T2048Z-160713T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
348 PM CDT WED JUL 13 2016

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WASHINGTON COUNTY IN SOUTH CENTRAL ILLINOIS...
  CLINTON COUNTY IN SOUTH CENTRAL ILLINOIS...
  ST. CLAIR COUNTY IN SOUTHWESTERN ILLINOIS...
  BOND COUNTY IN SOUTH CENTRAL ILLINOIS...
  MONTGOMERY COUNTY IN SOUTH CENTRAL ILLINOIS...
  MACOUPIN COUNTY IN SOUTHWESTERN ILLINOIS...
  MADISON COUNTY IN SOUTHWESTERN ILLINOIS...
  NORTHEASTERN RANDOLPH COUNTY IN SOUTHWESTERN ILLINOIS...
  SOUTHEASTERN MONROE COUNTY IN SOUTHWESTERN ILLINOIS...

* UNTIL 445 PM CDT

* AT 347 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR PALMYRA TO 6 MILES SOUTH OF NEW DESIGN...MOVING
  EAST AT 50 MPH.

  HAZARD...70 MPH WIND GUSTS. 

  SOURCE...TRAINED WEATHER SPOTTERS. NUMEROUS REPORTS OF WIND DAMAGE
           AND MEASURED WINDS OF 60 TO 70 MPH.

  IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO 
           MOBILE HOMES...ROOFS...AND OUTBUILDINGS. 

* LOCATIONS IMPACTED INCLUDE...
  BELLEVILLE...O'FALLON...EAST ST. LOUIS...COLLINSVILLE...
  EDWARDSVILLE...FAIRVIEW HEIGHTS...SWANSEA...GLEN CARBON...SHILOH...
  WOOD RIVER...HIGHLAND...TROY...WATERLOO...BETHALTO...MARYVILLE...
  MASCOUTAH...GREENVILLE...LITCHFIELD...HILLSBORO AND CARLINVILLE.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 70 IN ILLINOIS BETWEEN EXITS 21 AND 52.
 INTERSTATE 55 IN ILLINOIS BETWEEN EXITS 23 AND 63.
 INTERSTATE 64 IN ILLINOIS BETWEEN EXITS 9 AND 50.

THIS ALSO INCLUDES  LAKE LOU YAEGER.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SITUATION. THESE STORMS ARE PRODUCING WIDESPREAD
WIND DAMAGE. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS! 
&&

LAT...LON 3821 8929 3822 8959 3815 8960 3816 9017
      3952 8993 3952 8953 3935 8953 3934 8924
TIME...MOT...LOC 2047Z 271DEG 45KT 3950 8999 3817 9014 

HAIL...<.75IN
WIND...70MPH
 
$$

GLASS
3 follow-up statements
280 
WWUS53 KLSX 132111
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
411 PM CDT WED JUL 13 2016

ILC005-027-117-119-133-135-157-163-189-132145-
/O.CON.KLSX.SV.W.0148.000000T0000Z-160713T2145Z/
WASHINGTON IL-CLINTON IL-ST. CLAIR IL-BOND IL-MONTGOMERY IL-
MACOUPIN IL-MADISON IL-RANDOLPH IL-MONROE IL-
411 PM CDT WED JUL 13 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR WASHINGTON AND CLINTON COUNTIES IN SOUTH CENTRAL ILLINOIS...ST.
CLAIR COUNTY IN SOUTHWESTERN ILLINOIS...BOND AND MONTGOMERY COUNTIES
IN SOUTH CENTRAL ILLINOIS...MACOUPIN...MADISON...NORTHEASTERN
RANDOLPH AND SOUTHEASTERN MONROE COUNTIES IN SOUTHWESTERN ILLINOIS...

AT 410 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR FARMERSVILLE TO NEAR BALDWIN...MOVING EAST AT 50
MPH.

HAZARD...70 MPH WIND GUSTS. 

SOURCE...TRAINED WEATHER SPOTTERS. NUMEROUS REPORTS OF WIND DAMAGE
         AND MEASURED WIND GUSTS OF 60 TO 70 MPH.

IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO MOBILE 
         HOMES...ROOFS...AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
BELLEVILLE...O'FALLON...EAST ST. LOUIS...COLLINSVILLE...
EDWARDSVILLE...FAIRVIEW HEIGHTS...SWANSEA...GLEN CARBON...SHILOH...
WOOD RIVER...HIGHLAND...TROY...WATERLOO...BETHALTO...MARYVILLE...
MASCOUTAH...GREENVILLE...LITCHFIELD...HILLSBORO AND CARLINVILLE.

THIS ALSO INCLUDES  LAKE LOU YAEGER.
 
THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 70 IN ILLINOIS BETWEEN EXITS 21 AND 52.
 INTERSTATE 55 IN ILLINOIS BETWEEN EXITS 23 AND 63.
 INTERSTATE 64 IN ILLINOIS BETWEEN EXITS 9 AND 50.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SITUATION. THESE STORMS ARE PRODUCING WIDESPREAD
WIND DAMAGE. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS.
 
&&

LAT...LON 3821 8929 3822 8959 3815 8960 3816 9017
      3952 8993 3952 8953 3935 8953 3934 8924
TIME...MOT...LOC 2110Z 271DEG 45KT 3949 8964 3816 8979 

HAIL...<.75IN
WIND...70MPH
 
$$

GLASS
261 
WWUS53 KLSX 132132
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
432 PM CDT WED JUL 13 2016

ILC117-133-163-132142-
/O.CAN.KLSX.SV.W.0148.000000T0000Z-160713T2145Z/
ST. CLAIR IL-MACOUPIN IL-MONROE IL-
432 PM CDT WED JUL 13 2016

...THE SEVERE THUNDERSTORM WARNING FOR ST. CLAIR...MACOUPIN AND
SOUTHEASTERN MONROE 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 900 PM CDT FOR
SOUTHWESTERN ILLINOIS.

LAT...LON 3821 8929 3822 8959 3815 8960 3815 8971
      3952 8969 3952 8953 3935 8953 3934 8924
TIME...MOT...LOC 2132Z 272DEG 55KT 3947 8918 3814 8933 

$$

ILC005-027-119-135-157-189-132145-
/O.CON.KLSX.SV.W.0148.000000T0000Z-160713T2145Z/
WASHINGTON IL-CLINTON IL-BOND IL-MONTGOMERY IL-MADISON IL-
RANDOLPH IL-
432 PM CDT WED JUL 13 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR WASHINGTON...CLINTON...BOND AND MONTGOMERY COUNTIES IN SOUTH
CENTRAL ILLINOIS...EASTERN MADISON AND NORTHEASTERN RANDOLPH COUNTIES
IN SOUTHWESTERN ILLINOIS...

AT 432 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR TAYLORVILLE TO NEAR PINCKNEYVILLE...MOVING EAST
AT 65 MPH.

HAZARD...70 MPH WIND GUSTS. 

SOURCE...TRAINED WEATHER SPOTTERS. 

IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO MOBILE 
         HOMES...ROOFS...AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
HIGHLAND...GREENVILLE...LITCHFIELD...HILLSBORO...BREESE...SPARTA...
NEW BADEN...CARLYLE...NASHVILLE...NOKOMIS...TRENTON...AVISTON...
OKAWVILLE...ST.
ROSE...GERMANTOWN...ALBERS...BECKEMEYER...RAYMOND...COULTERVILLE AND
TILDEN.

THIS ALSO INCLUDES  LAKE LOU YAEGER.
 
THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 70 IN ILLINOIS BETWEEN EXITS 30 AND 52.
 INTERSTATE 55 IN ILLINOIS BETWEEN EXITS 52 AND 63.
 INTERSTATE 64 IN ILLINOIS BETWEEN EXITS 34 AND 50.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SITUATION. THESE STORMS ARE PRODUCING WIDESPREAD
WIND DAMAGE. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS.
 
&&

LAT...LON 3821 8929 3822 8959 3815 8960 3815 8971
      3952 8969 3952 8953 3935 8953 3934 8924
TIME...MOT...LOC 2132Z 272DEG 55KT 3947 8918 3814 8933 

HAIL...<.75IN
WIND...70MPH
 
$$

GLASS
229 
WWUS53 KLSX 132141
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
441 PM CDT WED JUL 13 2016

ILC005-027-119-135-157-189-132151-
/O.EXP.KLSX.SV.W.0148.000000T0000Z-160713T2145Z/
WASHINGTON IL-CLINTON IL-BOND IL-MONTGOMERY IL-MADISON IL-
RANDOLPH IL-
441 PM CDT WED JUL 13 2016

...THE SEVERE THUNDERSTORM WARNING FOR WASHINGTON...CLINTON...BOND
AND MONTGOMERY COUNTIES IN SOUTH CENTRAL ILLINOIS...EASTERN MADISON
AND NORTHEASTERN RANDOLPH COUNTIES IN SOUTHWESTERN ILLINOIS WILL
EXPIRE AT 445 PM CDT...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER GUSTY WINDS
ARE STILL POSSIBLE WITH THESE THUNDERSTORMS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR
SOUTHWESTERN ILLINOIS.

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

LAT...LON 3821 8929 3822 8959 3815 8960 3815 8971
      3952 8969 3952 8953 3935 8953 3934 8924
TIME...MOT...LOC 2140Z 271DEG 45KT 3947 8918 3814 8933 

$$

GLASS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 1:40 PM CDTSevere Thunderstorm WarningLSXPike50 min
Jul 13, 2:06 PM CDTSevere Thunderstorm WarningLSXAdams, Calhoun, Greene, Jersey, Macoupin, Madison and 3 more54 min
Jul 13, 2:21 PM CDTSevere Thunderstorm WarningLSXAdams, Brown, Pike54 min
Jul 13, 2:58 PM CDTSevere Thunderstorm WarningLSXCalhoun, Greene, Jersey, Macoupin, Madison, Monroe and 2 more62 min
Jul 13, 3:13 PM CDTSevere Thunderstorm WarningLSXMonroe47 min
Jul 13, 3:29 PM CDTSevere Thunderstorm WarningLSXMonroe, Randolph46 min
Jul 13, 4:14 PM CDTSevere Thunderstorm WarningLSXRandolph31 min
Jul 13, 4:20 PM CDTSevere Thunderstorm WarningLSXBond, Clinton, Fayette, Marion, Montgomery, Washington55 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.