Alert archive / Illinois / Tornado Warnings in 2016

Tornado Warning 18, NWS Lincoln, IL

September 9, 2016Champaign County, Illinois

NWS Lincoln, IL issued this tornado warning at Sep 9, 2016, 6:09 PM CDT for Champaign County, Illinois. It was in force for 36 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: Sep 9, 2016, 6:09 PM CDT (23:09 UTC)
Expired: Sep 9, 2016, 6:45 PM CDT
In force: 36 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Champaign County, IL

The radar

The Lincoln radar (KILX), 106 km from the middle of the area, began a volume at 23:10 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
Sep 9, 6:42 PM CDT	TORNADO	2 Ese Sidney, IL	.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.2 hours before the alert went out and 45 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: 61 J/kg
Mixed-layer CIN: -145 J/kg
Mixed-layer LCL: 781 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: -115 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

324 
WFUS53 KILX 092309
TORILX
ILC019-092345-
/O.NEW.KILX.TO.W.0018.160909T2309Z-160909T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
609 PM CDT FRI SEP 9 2016

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN CHAMPAIGN COUNTY IN EAST CENTRAL ILLINOIS...

* UNTIL 645 PM CDT
    
* AT 608 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER PESOTUM...OR 9 MILES NORTH OF
  TUSCOLA...MOVING EAST AT 25 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  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 DANGEROUS STORM WILL BE NEAR...
  PHILO AROUND 625 PM CDT. 
  SIDNEY AROUND 635 PM CDT. 
  ST. JOSEPH...HOMER AND OGDEN AROUND 645 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
SADORUS.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 57 BETWEEN MILE MARKERS 220 AND 226.
 INTERSTATE 74 BETWEEN MILE MARKERS 194 AND 197.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3997 8794 3988 8836 3996 8839 4016 8794
TIME...MOT...LOC 2308Z 250DEG 24KT 3994 8827 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

BAK

2 follow-up statements

570 
WWUS53 KILX 092322
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
622 PM CDT FRI SEP 9 2016

ILC019-092345-
/O.CON.KILX.TO.W.0018.000000T0000Z-160909T2345Z/
CHAMPAIGN-
622 PM CDT FRI SEP 9 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
SOUTHEASTERN CHAMPAIGN COUNTY...
    
AT 621 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER PHILO...OR 11 MILES SOUTHEAST OF CHAMPAIGN...MOVING
EAST AT 30 MPH.

HAZARD...TORNADO. 

SOURCE...RADAR INDICATED ROTATION. 

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 DANGEROUS STORM WILL BE NEAR...
  SIDNEY AROUND 635 PM CDT. 
  HOMER AND OGDEN AROUND 645 PM CDT. 

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 195 AND 197.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3997 8794 3992 8821 4000 8820 4016 8794
TIME...MOT...LOC 2321Z 250DEG 24KT 3997 8816 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

BAK

609 
WWUS53 KILX 092340
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
640 PM CDT FRI SEP 9 2016

ILC019-092345-
/O.CON.KILX.TO.W.0018.000000T0000Z-160909T2345Z/
CHAMPAIGN-
640 PM CDT FRI SEP 9 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
SOUTHEASTERN CHAMPAIGN COUNTY...
    
AT 639 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR SIDNEY...OR 15
MILES SOUTHEAST OF CHAMPAIGN...MOVING EAST AT 25 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
SOUTHEASTERN CHAMPAIGN COUNTY.

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 3995 8804 4003 8807 4007 8794 3997 8794
TIME...MOT...LOC 2339Z 252DEG 23KT 4000 8801 

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

$$

BAK

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 9, 2:15 AM CDT	Dense Fog Advisory	ILX	Cass, Champaign, Christian, Clark, Coles, Cumberland and 21 more	7 hr
Sep 9, 5:59 PM CDT	Flash Flood Warning	ILX	Champaign	3 hr
Sep 9, 6:23 PM CDT	Tornado Warning	ILX	Clark, Cumberland	52 min
Sep 9, 6:25 PM CDT	Tornado Warning	ILX	Vermilion	35 min
Sep 9, 6:37 PM CDT	Flash Flood Warning	ILX	Vermilion	3 hr
Sep 9, 6:44 PM CDT	Tornado Warning Tornado observed	ILX	Champaign, Vermilion	31 min

Nearby

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