Alert archive / Illinois / Tornado Warnings in 2015

Tornado Warning 5, NWS Lincoln, IL

April 9, 2015Christian County, Macon County, Illinois

NWS Lincoln, IL issued this tornado warning at Apr 9, 2015, 7:41 PM CDT for Christian County, Macon County, Illinois. It was in force for 34 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: Apr 9, 2015, 7:41 PM CDT (00:41 UTC)
Expired: Apr 9, 2015, 8:15 PM CDT
In force: 34 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Christian County, IL, Macon County, IL

The radar

The Lincoln radar (KILX), 59 km from the middle of the area, began a volume at 00:44 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
Apr 9, 7:42 PM CDT	FUNNEL CLOUD	2 N Taylorville, IL
Apr 9, 7:42 PM CDT	HAIL 0.75	2 N Taylorville, IL
Apr 9, 7:47 PM CDT	FUNNEL CLOUD	3 S Tovey, IL
Apr 9, 7:47 PM CDT	TORNADO	3 S Tovey, IL	BRIEF TOUCHDOWN IN A FIELD. NO DAMAGE REPORTED.

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
Apr 9, 1:48 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 0.7 hours before the alert went out and 83 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: 1160 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 1435 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 296 m²/s²
0-3 km storm-relative helicity: 356 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 15.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

080 
WFUS53 KILX 100041
TORILX
ILC021-115-100115-
/O.NEW.KILX.TO.W.0005.150410T0041Z-150410T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
741 PM CDT THU APR 9 2015

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN CHRISTIAN COUNTY IN CENTRAL ILLINOIS...
  SOUTHWESTERN MACON COUNTY IN CENTRAL ILLINOIS...

* UNTIL 815 PM CDT

* AT 738 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR KINCAID...AND MOVING EAST AT 50 MPH.

  HAZARD...TORNADO AND QUARTER SIZE HAIL.

  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...
  STONINGTON AROUND 755 PM CDT.
  BLUE MOUND AROUND 800 PM CDT.

OTHER LOCATIONS IN THE WARNING INCLUDE WILLEYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3948 8947 3964 8950 3964 8949 3965 8948
      3982 8908 3966 8901 3965 8903 3959 8903
TIME...MOT...LOC 0042Z 254DEG 44KT 3956 8936

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

AUTEN

1 follow-up statement

227 
WWUS53 KILX 100101
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
801 PM CDT THU APR 9 2015

ILC021-115-100115-
/O.CON.KILX.TO.W.0005.000000T0000Z-150410T0115Z/
MACON IL-CHRISTIAN IL-
801 PM CDT THU APR 9 2015

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN CHRISTIAN AND
SOUTHWESTERN MACON COUNTIES UNTIL 815 PM CDT...

AT 758 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR STONINGTON...AND MOVING EAST AT 45 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL.

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 AFFECT MAINLY RURAL AREAS OF NORTHEASTERN
CHRISTIAN AND SOUTHWESTERN MACON COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3954 8925 3972 8921 3982 8908 3966 8901
      3965 8903 3959 8903
TIME...MOT...LOC 0101Z 253DEG 37KT 3961 8914

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

AUTEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 9, 7:24 PM CDT	Tornado Warning	ILX	Christian, Sangamon	21 min
Apr 9, 7:32 PM CDT	Tornado Warning	ILX	Marshall, Peoria, Woodford	28 min
Apr 9, 7:57 PM CDT	Severe Thunderstorm Warning	ILX	Marshall, Woodford	33 min
Apr 9, 8:13 PM CDT	Tornado Warning	ILX	Christian, Macon, Moultrie, Shelby	32 min
Apr 9, 8:28 PM CDT	Severe Thunderstorm Warning	ILX	Cumberland, Effingham, Shelby	47 min
Apr 9, 9:01 PM CDT	Severe Thunderstorm Warning	ILX	Piatt	18 min
Apr 9, 9:06 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Coles, Cumberland, Effingham, Jasper	39 min
Apr 9, 9:16 PM CDT	Severe Thunderstorm Warning	ILX	Champaign	28 min
Apr 9, 9:38 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Effingham, Jasper	52 min
Apr 9, 9:45 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Cumberland, Jasper	60 min
Apr 9, 10:26 PM CDT	Areal Flood Advisory	ILX	Clark, Cumberland	3 hr
Apr 9, 10:30 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Crawford, Jasper	45 min
Apr 10, 10:25 AM CDT	River Flood Warning	ILX	Lawrence	4 days
Apr 10, 1:38 PM CDT	Wind Advisory	ILX	Fulton, Knox, McLean, Marshall, Peoria, Stark and 2 more	4 hr

Nearby

Tornado Warnings in Illinois, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.