Alert archive / Illinois / Tornado Warnings in 2020

Tornado Warning 16, NWS Lincoln, IL

July 15, 2020McLean County, Illinois

NWS Lincoln, IL issued this tornado warning at Jul 15, 2020, 6:36 PM CDT for McLean County, Illinois. It was in force for 39 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
Jul 15, 2020, 6:36 PM CDT (23:36 UTC)
Expired
Jul 15, 2020, 7:15 PM CDT
In force
39 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County McLean County, IL

The radar

The Lincoln radar (KILX), 56 km from the middle of the area, began a volume at 23:36 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
Jul 15, 2:10 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.6 hours before the alert went out and 53 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 12:00Z on 2020-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2020-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1529 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

677 
WFUS53 KILX 152336
TORILX
ILC113-160015-
/O.NEW.KILX.TO.W.0016.200715T2336Z-200716T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
636 PM CDT Wed Jul 15 2020

The National Weather Service in Lincoln has issued a

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

* Until 715 PM CDT.

* At 636 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Normal, or over Bloomington, moving northeast at
  25 mph.

  HAZARD...Tornado.

  SOURCE...Weather spotters reported funnel cloud.

  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...
  Hudson and Towanda around 650 PM CDT.
  Lexington around 715 PM CDT.

Other locations impacted by this tornadic thunderstorm include Lake
Bloomington and Pleasant Hill.

This includes the following highways...
 Interstate 39 between mile markers 0 and 5.
 Interstate 55 between mile markers 160 and 179.
 Interstate 74 between mile markers 127 and 131.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This Tornado Warning replaces the Severe Thunderstorm Warning issued
for the same area.

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 4045 8898 4050 8906 4071 8895 4063 8872
TIME...MOT...LOC 2336Z 215DEG 20KT 4051 8899 

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

$$

Shimon
4 follow-up statements
965 
WWUS53 KILX 152345
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
645 PM CDT Wed Jul 15 2020

ILC113-160015-
/O.CON.KILX.TO.W.0016.000000T0000Z-200716T0015Z/
McLean-
645 PM CDT Wed Jul 15 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR NORTH
CENTRAL MCLEAN COUNTY...
        
At 644 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Normal, or near Bloomington, moving northeast at 20
mph.

HAZARD...Tornado.

SOURCE...Weather spotters reported a funnel cloud.

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...
  Hudson around 650 PM CDT.
  Towanda around 655 PM CDT.
  Lexington around 725 PM CDT.

Other locations impacted by this tornadic thunderstorm include Lake
Bloomington and Pleasant Hill.

This includes the following highways...
 Interstate 39 between mile markers 0 and 5.
 Interstate 55 between mile markers 162 and 179.
 Interstate 74 between mile markers 127 and 128.

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 4048 8894 4052 8905 4071 8895 4063 8872
TIME...MOT...LOC 2344Z 219DEG 17KT 4054 8895 

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

$$

Shimon
532 
WWUS53 KILX 152356
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
656 PM CDT Wed Jul 15 2020

ILC113-160015-
/O.CON.KILX.TO.W.0016.000000T0000Z-200716T0015Z/
McLean-
656 PM CDT Wed Jul 15 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR NORTH
CENTRAL MCLEAN COUNTY...
    
At 656 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Hudson, or 7 miles north of Bloomington, moving
north at 15 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...
  Lexington around 725 PM CDT.

Other locations impacted by this tornadic thunderstorm include Lake
Bloomington.

This includes the following highways...
 Interstate 39 between mile markers 3 and 5.
 Interstate 55 between mile markers 168 and 178.

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 4052 8890 4057 8902 4071 8895 4064 8876
TIME...MOT...LOC 2356Z 201DEG 14KT 4059 8896 

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

$$

Shimon
772 
WWUS53 KILX 160003
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
703 PM CDT Wed Jul 15 2020

ILC113-160015-
/O.CON.KILX.TO.W.0016.000000T0000Z-200716T0015Z/
McLean-
703 PM CDT Wed Jul 15 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR NORTH
CENTRAL MCLEAN COUNTY...
    
At 703 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Towanda, or 11 miles northeast of Bloomington,
moving northeast 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...
  Lexington around 715 PM CDT.

This includes Interstate 55 between mile markers 171 and 178.
 
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 4055 8886 4058 8892 4069 8889 4064 8876
TIME...MOT...LOC 0003Z 215DEG 27KT 4060 8884 

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

$$

Shimon
511 
WWUS53 KILX 160011
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
711 PM CDT Wed Jul 15 2020

ILC113-160021-
/O.EXP.KILX.TO.W.0016.000000T0000Z-200716T0015Z/
McLean-
711 PM CDT Wed Jul 15 2020

...THE TORNADO WARNING FOR NORTH CENTRAL MCLEAN COUNTY WILL EXPIRE AT
715 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 900 PM CDT for central
Illinois.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Lincoln.

LAT...LON 4055 8886 4058 8892 4069 8889 4064 8876
TIME...MOT...LOC 0011Z 215DEG 20KT 4063 8882 

$$

Shimon

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 10:35 AM CDTSpecial Weather StatementILXSchuyler40 min
Jul 15, 11:37 AM CDTSpecial Weather StatementILXFulton, Schuyler38 min
Jul 15, 12:13 PM CDTSpecial Weather StatementILXFulton47 min
Jul 15, 12:49 PM CDTSpecial Weather StatementILXTazewell41 min
Jul 15, 12:51 PM CDTSevere Thunderstorm WarningILXFulton, Mason, Peoria, Tazewell54 min
Jul 15, 1:00 PM CDTSpecial Weather StatementILXFulton60 min
Jul 15, 1:41 PM CDTTornado WarningILXTazewell34 min
Jul 15, 2:15 PM CDTSevere Thunderstorm WarningILXMcLean, Peoria, Tazewell, Woodford60 min
Jul 15, 2:30 PM CDTFlash Flood WarningILXPeoria, Tazewell3 hr
Jul 15, 3:12 PM CDTSevere Thunderstorm WarningILXMcLean, Woodford48 min
Jul 15, 3:15 PM CDTFlash Flood WarningILXTazewell, Woodford4 hr
Jul 15, 3:55 PM CDTSevere Thunderstorm WarningILXMcLean35 min
Jul 15, 4:07 PM CDTTornado Warning Tornado observedILXMcLean8 min
Jul 15, 4:11 PM CDTFlash Flood WarningILXWoodford4 hr
Jul 15, 4:16 PM CDTTornado Warning Tornado observedILXMcLean29 min
Jul 15, 5:07 PM CDTSpecial Weather StatementILXTazewell53 min
Jul 15, 5:17 PM CDTFlash Flood WarningILXFulton, Mason, Peoria, Tazewell5 hr
Jul 15, 5:26 PM CDTTornado Warning Tornado observedILXChristian, Sangamon28 min
Jul 15, 5:40 PM CDTSevere Thunderstorm WarningILXShelby50 min
Jul 15, 5:53 PM CDTSevere Thunderstorm WarningILXEffingham, Shelby37 min
Jul 15, 6:17 PM CDTSevere Thunderstorm WarningILXColes, Cumberland, Douglas, Moultrie, Shelby43 min
Jul 15, 6:19 PM CDTFlash Flood WarningILXLogan, McLean, Tazewell, Woodford4 hr
Jul 15, 6:25 PM CDTSevere Thunderstorm WarningILXMcLean50 min
Jul 15, 6:31 PM CDTSevere Thunderstorm WarningILXClay, Cumberland, Effingham, Shelby44 min
Jul 15, 6:52 PM CDTFlash Flood WarningILXMcLean, Peoria, Tazewell, Woodford7 hr

Nearby

Tornado Warnings in Illinois, 2020Every tornado warning in 2020Tornadoes in 2020

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.