Alert archive / Illinois / Tornado Warnings in 2019

Tornado Warning 29, NWS Lincoln, IL

August 12, 2019Shelby County, Illinois

NWS Lincoln, IL issued this tornado warning at Aug 12, 2019, 9:49 PM CDT for Shelby County, Illinois. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 12, 2019, 9:49 PM CDT (02:49 UTC)
Expired
Aug 12, 2019, 10:15 PM CDT
In force
26 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Shelby County, IL

The radar

The Lincoln radar (KILX), 87 km from the middle of the area, began a volume at 02:51 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 12, 8:23 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.8 hours before the alert went out and 80 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 00:00Z on 2019-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2221 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 00:00Z on 2019-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 134 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
2221 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
827 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
134 m²/s²
0-3 km storm-relative helicity
293 m²/s²
Significant tornado parameter
3.3
Supercell composite
19.6

Open this sounding in Storm Lab

The text

As transmitted.

203 
WFUS53 KILX 130249
TORILX
ILC173-130315-
/O.NEW.KILX.TO.W.0029.190813T0249Z-190813T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
949 PM CDT Mon Aug 12 2019

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  Central Shelby County in central Illinois...

* Until 1015 PM CDT.
    
* At 949 PM CDT, a severe thunderstorm capable of producing a 
  tornado was located east of Assumption, or 11 miles northwest of 
  Shelbyville, moving east at 35 mph. This storm has a history of 
  producing a confirmed tornado.

  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...
  Westervelt around 1000 PM CDT.
  Shelbyville and Findlay around 1005 PM CDT.

Other locations impacted by this tornadic thunderstorm include Eagle
Creek State Park and Wolf Creek State Park.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3946 8898 3957 8891 3950 8866 3931 8879
TIME...MOT...LOC 0249Z 285DEG 31KT 3952 8896 

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

$$

Deubelbeiss
2 follow-up statements
591 
WWUS53 KILX 130304
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
1004 PM CDT Mon Aug 12 2019

ILC173-130315-
/O.CON.KILX.TO.W.0029.000000T0000Z-190813T0315Z/
Shelby-
1004 PM CDT Mon Aug 12 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR CENTRAL
SHELBY COUNTY...
    
At 1003 PM CDT, a severe thunderstorm capable of producing a tornado 
was located over Westervelt, or north of Shelbyville, moving east at 
30 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.

Other locations impacted by this tornadic thunderstorm include Eagle 
Creek State Park and Wolf Creek State Park.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3946 8898 3957 8891 3950 8866 3931 8879
TIME...MOT...LOC 0303Z 291DEG 28KT 3949 8883 

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

$$

Deubelbeiss
483 
WWUS53 KILX 130316
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
1016 PM CDT Mon Aug 12 2019

ILC173-130326-
/O.EXP.KILX.TO.W.0029.000000T0000Z-190813T0315Z/
Shelby-
1016 PM CDT Mon Aug 12 2019

...THE TORNADO WARNING FOR CENTRAL SHELBY COUNTY HAS EXPIRED...
    
The tornado threat has diminished and the Tornado Warning has 
expired. However, large hail and damaging winds remain likely and a 
Severe Thunderstorm Warning remains in effect for the area.  

A Tornado Watch remains in effect until 300 AM CDT for central
Illinois.

LAT...LON 3946 8898 3957 8891 3950 8866 3931 8879
TIME...MOT...LOC 0316Z 285DEG 31KT 3946 8869 

$$

Deubelbeiss

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 7:46 PM CDTSpecial Weather StatementILXSangamon44 min
Aug 12, 8:14 PM CDTTornado WarningILXCass, Menard, Morgan, Sangamon31 min
Aug 12, 8:22 PM CDTSevere Thunderstorm WarningILXMacon, Moultrie, Piatt38 min
Aug 12, 8:37 PM CDTSevere Thunderstorm WarningILXChristian, Sangamon38 min
Aug 12, 8:52 PM CDTSevere Thunderstorm WarningILXMacon53 min
Aug 12, 9:01 PM CDTSevere Thunderstorm WarningILXColes, Douglas, Moultrie, Piatt44 min
Aug 12, 9:07 PM CDTTornado WarningILXChristian38 min
Aug 12, 9:13 PM CDTFlash Flood WarningILXChristian, Logan, Macon, Menard, Moultrie, Piatt and 1 more4 hr
Aug 12, 9:16 PM CDTTornado WarningILXMacon, Moultrie29 min
Aug 12, 9:29 PM CDTTornado WarningILXChristian, Shelby31 min
Aug 12, 9:49 PM CDTSevere Thunderstorm WarningILXColes, Douglas, Moultrie, Shelby41 min
Aug 12, 10:13 PM CDTSevere Thunderstorm WarningILXColes, Cumberland, Moultrie, Shelby47 min
Aug 12, 10:15 PM CDTSevere Thunderstorm WarningILXColes, Cumberland, Shelby45 min
Aug 12, 10:35 PM CDTSevere Thunderstorm WarningILXChristian, Shelby40 min
Aug 12, 10:37 PM CDTSevere Thunderstorm WarningILXClark, Coles, Cumberland, Edgar53 min
Aug 12, 10:51 PM CDTFlash Flood WarningILXChristian, Coles, Cumberland, Moultrie, Shelby4 hr
Aug 12, 10:59 PM CDTSevere Thunderstorm WarningILXColes, Cumberland, Effingham, Shelby46 min
Aug 12, 11:14 PM CDTSevere Thunderstorm WarningILXClark, Crawford, Cumberland, Effingham, Jasper50 min
Aug 12, 11:42 PM CDTSpecial Weather StatementILXClay, Crawford, Lawrence, Richland48 min
Aug 12, 11:50 PM CDTSevere Thunderstorm WarningILXClark, Crawford, Lawrence, Richland40 min
Aug 13, 4:04 AM CDTSpecial Weather StatementILXClay, Richland41 min

Nearby

Tornado Warnings in Illinois, 2019Every tornado warning in 2019Tornadoes in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.