Alert archive / Illinois / Tornado Warnings in 2014

Tornado Warning 20, NWS Lincoln, IL

October 13, 2014Shelby County, Illinois

NWS Lincoln, IL issued this tornado warning at Oct 13, 2014, 3:40 PM CDT for Shelby County, Illinois. It was in force for 20 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: Oct 13, 2014, 3:40 PM CDT (20:40 UTC)
Expired: Oct 13, 2014, 4:00 PM CDT
In force: 20 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Shelby County, IL

The radar

The Lincoln radar (KILX), 75 km from the middle of the area, began a volume at 20:42 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
Oct 13, 3:54 PM CDT	TORNADO 2	4 Ene Moweaqua, IL	PATH LENGTH 10 MILES, PEAK WIDTH 200 YARDS. HOUSE SEVERELY DAMAGE AND SEVERAL OUTBUILDINGS DESTROYED. SEVERAL 15-INCH DIAMETER TREES WERE BLOWN DOWN NEAR THE SHELBY-MACON COUNTY LINE. CROP DAMAGE ALONG SEVERAL MILE PATH. LIFTED 2 MILES WEST-SOUTHWEST OF MT ZIO
Oct 13, 3:54 PM CDT	TORNADO	4 Ene Moweaqua, IL	HOUSE DESTROYED AND SEVERAL 15-INCH DIAMETER TREES WERE BLOWN DOWN NEAR THE SHELBY-MACON COUNTY LINE.

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
Oct 13, 2:24 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.7 hours before the alert went out and 73 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: 21 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 453 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 130 m²/s²
0-3 km storm-relative helicity: 129 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

378 
WFUS53 KILX 132040
TORILX
ILC173-132100-
/O.NEW.KILX.TO.W.0020.141013T2040Z-141013T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
340 PM CDT MON OCT 13 2014

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN SHELBY COUNTY IN CENTRAL ILLINOIS...

* UNTIL 400 PM CDT.

* AT 339 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR ASSUMPTION...AND MOVING NORTH AT 50 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.

* LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF NORTHWESTERN SHELBY COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A BUILDING.

&&

LAT...LON 3946 8903 3966 8900 3965 8883 3965 8882
      3943 8896
TIME...MOT...LOC 2040Z 199DEG 43KT 3950 8900

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

$$
GEELHART

2 follow-up statements

762 
WWUS53 KILX 132048
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
348 PM CDT MON OCT 13 2014

ILC173-132100-
/O.CON.KILX.TO.W.0020.000000T0000Z-141013T2100Z/
SHELBY IL-
348 PM CDT MON OCT 13 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL SHELBY
COUNTY UNTIL 400 PM CDT...

AT 345 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 5 MILES NORTHEAST OF ASSUMPTION...MOVING NORTH AT 50 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.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF NORTHWESTERN SHELBY COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 3954 8900 3965 8900 3966 8894 3965 8882
      3953 8895
TIME...MOT...LOC 2047Z 199DEG 43KT 3958 8896

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

$$
GEELHART

323 
WWUS53 KILX 132058
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
358 PM CDT MON OCT 13 2014

ILC173-132108-
/O.EXP.KILX.TO.W.0020.000000T0000Z-141013T2100Z/
SHELBY IL-
358 PM CDT MON OCT 13 2014

...THE TORNADO WARNING FOR NORTH CENTRAL SHELBY COUNTY WILL EXPIRE AT
400 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO
WATCH REMAINS IN EFFECT UNTIL 10 PM.

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

LAT...LON 3954 8900 3965 8900 3966 8894 3965 8882
      3953 8895
TIME...MOT...LOC 2058Z 199DEG 43KT 3970 8890

$$
GEELHART

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 13, 3:56 PM CDT	Tornado Warning	ILX	Macon	34 min
Oct 13, 4:15 PM CDT	Tornado Warning	ILX	Macon	30 min
Oct 13, 4:30 PM CDT	Severe Thunderstorm Warning	ILX	Clay	30 min
Oct 13, 4:55 PM CDT	Tornado Warning	ILX	Effingham	17 min
Oct 13, 5:37 PM CDT	Tornado Warning	ILX	Champaign, McLean	23 min
Oct 13, 5:57 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Douglas	14 min

Nearby

Tornado Warnings in Illinois, 2014 Every tornado warning in 2014 Tornadoes in 2014

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.