Alert archive / Illinois / Tornado Warnings in 2016

Tornado Warning 8, NWS Chicago, IL

June 22, 2016DeKalb County, LaSalle County, Lee County, Illinois

NWS Chicago, IL issued this tornado warning at Jun 22, 2016, 7:29 PM CDT for DeKalb County, LaSalle County, Lee County, Illinois. It was in force for 46 min. 2 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
Jun 22, 2016, 7:29 PM CDT (00:29 UTC)
Expired
Jun 22, 2016, 8:15 PM CDT
In force
46 min
Issued by
NWS Chicago, IL
Area
Storm-based polygon
Tornado
Observed
Hail
0.0 in

Counties DeKalb County, IL, LaSalle County, IL, Lee County, IL

The radar

The Chicago radar (KLOT), 79 km from the middle of the area, began a volume at 00:31 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
Jun 22, 7:38 PM CDTTORNADOCompton, ILTORNADO NEAR SHAW ROAD WITH TREE DAMAGE.
Jun 22, 7:58 PM CDTTORNADO1 Ne Earlville, ILTORNADO 1.5 MILES NORTHEAST OF EARLVILLE ON E1401 ROAD.

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
Jun 22, 6:11 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 0.5 hours before the alert went out and 122 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, Davenport, at 00:00Z on 2016-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2855 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, Davenport, at 00:00Z on 2016-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 316 square meters per square second.19395878Sfc1 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
2855 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
998 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
316 m²/s²
0-3 km storm-relative helicity
422 m²/s²
Significant tornado parameter
6.5
Supercell composite
30.6

Open this sounding in Storm Lab

The text

As transmitted.

494 
WFUS53 KLOT 230029
TORLOT
ILC037-099-103-230115-
/O.NEW.KLOT.TO.W.0008.160623T0029Z-160623T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
729 PM CDT WED JUN 22 2016

THE NATIONAL WEATHER SERVICE IN CHICAGO  HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL LA SALLE COUNTY IN NORTH CENTRAL ILLINOIS...
  SOUTHWESTERN DE KALB COUNTY IN NORTH CENTRAL ILLINOIS...
  SOUTHEASTERN LEE COUNTY IN NORTH CENTRAL ILLINOIS...

* UNTIL 815 PM CDT

* AT 729 PM CDT...A CONFIRMED TORNADO WAS LOCATED 7 MILES WEST OF PAW
  PAW...OR 10 MILES NORTH OF MENDOTA...MOVING EAST AT 20 MPH.

  HAZARD...DAMAGING TORNADO. 

  SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* THE TORNADO WILL BE NEAR...
  PAW PAW AROUND 750 PM CDT. 
  EARLVILLE AROUND 800 PM CDT. 
  SHABBONA AROUND 805 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
COMPTON AND WEST BROOKLYN.

INCLUDING THE FOLLOWING INTERSTATE...
 I-39 BETWEEN MILE MARKERS 78 AND 86.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE HOME...OR
IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4167 8918 4174 8916 4177 8880 4156 8884
TIME...MOT...LOC 0029Z 272DEG 18KT 4170 8912 

TORNADO...OBSERVED
HAIL...0.00IN

$$

IZZI
4 follow-up statements
991 
WWUS53 KLOT 230040
SVSLOT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
740 PM CDT WED JUN 22 2016

ILC037-099-103-230115-
/O.CON.KLOT.TO.W.0008.000000T0000Z-160623T0115Z/
LA SALLE IL-DE KALB IL-LEE IL-
740 PM CDT WED JUN 22 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR NORTH
CENTRAL LA SALLE...SOUTHWESTERN DE KALB AND SOUTHEASTERN LEE
COUNTIES...
    
AT 739 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR COMPTON...OR 10
MILES NORTH OF MENDOTA...MOVING EAST AT 15 MPH.

HAZARD...DAMAGING TORNADO. 

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

THIS TORNADO WILL BE NEAR...
  PAW PAW AROUND 800 PM CDT. 
  SHABBONA AND EARLVILLE AROUND 815 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
COMPTON.

INCLUDING THE FOLLOWING INTERSTATE...
 I-39 BETWEEN MILE MARKERS 78 AND 86.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE HOME...OR
IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

&&

LAT...LON 4166 8914 4174 8912 4177 8880 4156 8884
TIME...MOT...LOC 0039Z 275DEG 12KT 4170 8908 

TORNADO...OBSERVED
HAIL...<.75IN

$$

BMD
076 
WWUS53 KLOT 230048
SVSLOT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
748 PM CDT WED JUN 22 2016

ILC037-099-103-230115-
/O.CON.KLOT.TO.W.0008.000000T0000Z-160623T0115Z/
LA SALLE IL-DE KALB IL-LEE IL-
748 PM CDT WED JUN 22 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR NORTH
CENTRAL LA SALLE...SOUTHWESTERN DE KALB AND SOUTHEASTERN LEE
COUNTIES...
    
AT 747 PM CDT...A CONFIRMED TORNADO WAS LOCATED SOUTH OF PAW
PAW...OR 9 MILES SOUTHWEST OF SHABBONA...MOVING EAST AT 30 MPH.

HAZARD...DAMAGING TORNADO. 

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

THIS TORNADO WILL BE NEAR...
  EARLVILLE AROUND 755 PM CDT. 

INCLUDING THE FOLLOWING INTERSTATE...
 I-39 BETWEEN MILE MARKERS 78 AND 84.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE HOME...OR
IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

&&

LAT...LON 4164 8908 4171 8907 4175 8880 4156 8884
TIME...MOT...LOC 0047Z 291DEG 25KT 4165 8897 

TORNADO...OBSERVED
HAIL...<.75IN

$$

BMD
268 
WWUS53 KLOT 230058
SVSLOT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
758 PM CDT WED JUN 22 2016

ILC037-099-103-230115-
/O.CON.KLOT.TO.W.0008.000000T0000Z-160623T0115Z/
LA SALLE IL-DE KALB IL-LEE IL-
758 PM CDT WED JUN 22 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR NORTH
CENTRAL LA SALLE...SOUTHWESTERN DE KALB AND EASTERN LEE COUNTIES...
    
AT 757 PM CDT...A CONFIRMED TORNADO WAS LOCATED OVER EARLVILLE...OR 9
MILES SOUTH OF SHABBONA...MOVING EAST AT 20 MPH.

HAZARD...DAMAGING TORNADO. 

SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTH CENTRAL LA SALLE...SOUTHWESTERN DE KALB AND EASTERN LEE
COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW! MOVE TO A
BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY
BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE HOME...OR
IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

&&

LAT...LON 4162 8903 4168 8901 4168 8881 4156 8884
TIME...MOT...LOC 0057Z 283DEG 15KT 4163 8893 

TORNADO...OBSERVED
HAIL...<.75IN

$$

BMD
680 
WWUS53 KLOT 230114
SVSLOT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
814 PM CDT WED JUN 22 2016

ILC037-099-103-230124-
/O.EXP.KLOT.TO.W.0008.000000T0000Z-160623T0115Z/
LA SALLE IL-DE KALB IL-LEE IL-
814 PM CDT WED JUN 22 2016

...THE TORNADO WARNING FOR NORTH CENTRAL LA SALLE...SOUTHWESTERN DE
KALB AND EASTERN LEE COUNTIES WILL EXPIRE AT 815 PM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  GUSTY WINDS AND
HEAVY RAIN WILL CONTINUE.

REMEMBER...A TORNADO WARNING STILL REMAINS IN EFFECT FOR NORTHEAST
LASALLE COUNTY AND SOUTHERN DEKALB COUNTY!

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FOR NORTH CENTRAL
ILLINOIS.

LAT...LON 4162 8903 4168 8901 4168 8881 4156 8884
TIME...MOT...LOC 0113Z 272DEG 18KT 4163 8893 

$$

BMD

The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 22, 7:15 PM CDTTornado WarningLOTLee30 min
Jun 22, 7:51 PM CDTSevere Thunderstorm WarningLOTLaSalle39 min
Jun 22, 7:59 PM CDTTornado Warning Tornado observedLOTLaSalle46 min
Jun 22, 8:03 PM CDTSpecial Marine WarningLOT87 min
Jun 22, 8:04 PM CDTTornado Warning Tornado observedLOTDeKalb, LaSalle56 min
Jun 22, 8:11 PM CDTSevere Thunderstorm WarningLOTCook, DuPage49 min
Jun 22, 8:34 PM CDTSevere Thunderstorm WarningLOTLaSalle41 min
Jun 22, 8:35 PM CDTAreal Flood AdvisoryLOTDeKalb, Grundy, Kendall, LaSalle, Will3 hr
Jun 22, 8:45 PM CDTAreal Flood AdvisoryLOTCook, DuPage3 hr
Jun 22, 8:47 PM CDTSevere Thunderstorm WarningLOTCook, DuPage45 min
Jun 22, 8:50 PM CDTSevere Thunderstorm WarningLOTWill25 min
Jun 22, 8:52 PM CDTFlash Flood WarningLOTGrundy, Kendall, LaSalle5 hr
Jun 22, 9:01 PM CDTTornado WarningLOTGrundy, LaSalle29 min
Jun 22, 9:12 PM CDTSevere Thunderstorm WarningLOTLaSalle, Livingston48 min
Jun 22, 9:25 PM CDTSpecial Marine WarningLOT35 min
Jun 22, 9:42 PM CDTTornado WarningLOTLaSalle, Livingston33 min
Jun 22, 9:53 PM CDTAreal Flood AdvisoryLOTFord, Grundy, Iroquois, Kankakee, LaSalle, Livingston4 hr
Jun 22, 10:03 PM CDTTornado WarningLOTLivingston31 min
Jun 22, 10:04 PM CDTSevere Thunderstorm WarningLOTFord, Iroquois56 min
Jun 22, 10:22 PM CDTTornado Warning Tornado observedLOTLivingston38 min
Jun 22, 10:41 PM CDTSevere Thunderstorm WarningLOTIroquois64 min
Jun 22, 10:47 PM CDTTornado Warning Tornado observedLOTFord, Iroquois, Livingston43 min
Jun 22, 10:51 PM CDTTornado WarningLOTLivingston39 min
Jun 22, 11:21 PM CDTTornado Warning Tornado observedLOTIroquois39 min
Jun 22, 11:29 PM CDTSevere Thunderstorm WarningLOTGrundy, Kankakee, LaSalle, Livingston31 min
Jun 22, 11:53 PM CDTSevere Thunderstorm WarningLOTFord, Iroquois, Kankakee, Livingston52 min
Jun 23, 12:32 AM CDTSevere Thunderstorm WarningLOTIroquois43 min
Jun 23, 1:15 AM CDTSpecial Weather StatementLOTIroquois45 min
Jun 23, 1:44 AM CDTAreal Flood AdvisoryLOTFord, Iroquois7 hr
Jun 23, 3:59 AM CDTMarine Dense Fog AdvisoryLOT10 hr
Jun 23, 4:47 AM CDTBeach Hazards StatementLOTLake22 hr
Jun 23, 5:05 AM CDTDense Fog AdvisoryLOTBoone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more4 hr

Nearby

Tornado Warnings in Illinois, 2016Every tornado warning in 2016Tornadoes 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.