Alert archive / Illinois / Tornado Warnings in 2020

Tornado Warning 15, NWS Lincoln, IL

July 15, 2020Christian County, Sangamon County, Illinois

NWS Lincoln, IL issued this tornado warning at Jul 15, 2020, 5:26 PM CDT for Christian County, Sangamon County, Illinois. It was in force for 28 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, 5:26 PM CDT (22:26 UTC)
Expired: Jul 15, 2020, 5:54 PM CDT
In force: 28 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Tornado: Observed
Hail: 0.75 in

Counties Christian County, IL, Sangamon County, IL

The radar

The Lincoln radar (KILX), 64 km from the middle of the area, began a volume at 22:27 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.

Issued	Product	Office	Lasted
Jul 15, 2:10 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.4 hours before the alert went out and 105 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: 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.

725 
WFUS53 KILX 152226
TORILX
ILC021-167-152315-
/O.NEW.KILX.TO.W.0015.200715T2226Z-200715T2315Z/

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

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  Northwestern Christian County in central Illinois...
  South central Sangamon County in central Illinois...

* Until 615 PM CDT.

* At 526 PM CDT, a confirmed tornado was located over Divernon, or
  near Virden, moving northeast at 30 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.

* The tornado will be near...
  Divernon around 530 PM CDT.
  Pawnee around 535 PM CDT.
  Chatham around 545 PM CDT.
  Springfield around 550 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Glenarm.

This includes Interstate 55 between mile markers 77 and 90.
 
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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3973 8964 3970 8944 3952 8958 3952 8971
      3953 8971
TIME...MOT...LOC 2226Z 203DEG 25KT 3953 8966 

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

$$

Shimon

3 follow-up statements

559 
WWUS53 KILX 152237
SVSILX

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

ILC021-152246-
/O.CAN.KILX.TO.W.0015.000000T0000Z-200715T2315Z/
Christian-
537 PM CDT Wed Jul 15 2020

...THE TORNADO WARNING FOR NORTHWESTERN CHRISTIAN COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning is not expected 
to affect Christian County. Therefore, the warning has been 
cancelled.

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

LAT...LON 3971 8949 3954 8961 3954 8965 3956 8969
      3973 8964
TIME...MOT...LOC 2236Z 200DEG 19KT 3958 8964 

$$

ILC167-152315-
/O.CON.KILX.TO.W.0015.000000T0000Z-200715T2315Z/
Sangamon-
537 PM CDT Wed Jul 15 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR SOUTH
CENTRAL SANGAMON COUNTY...
    
At 536 PM CDT, a confirmed tornado was located over Divernon, or 8
miles northeast of Virden, moving north at 20 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 tornado will be near...
  Pawnee around 540 PM CDT.
  Springfield and Chatham around 555 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Glenarm.

This includes Interstate 55 between mile markers 78 and 90.
 
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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3971 8949 3954 8961 3954 8965 3956 8969
      3973 8964
TIME...MOT...LOC 2236Z 200DEG 19KT 3958 8964 

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

$$

Shimon

703 
WWUS53 KILX 152247
SVSILX

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

ILC167-152315-
/O.CON.KILX.TO.W.0015.000000T0000Z-200715T2315Z/
Sangamon-
547 PM CDT Wed Jul 15 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR SOUTH
CENTRAL SANGAMON COUNTY...
    
At 547 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Pawnee, or 9 miles south of Springfield, 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...
  Springfield around 555 PM CDT.

This includes Interstate 55 between mile markers 85 and 90.
 
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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

&&

LAT...LON 3971 8949 3962 8956 3962 8962 3965 8966
      3973 8964
TIME...MOT...LOC 2247Z 203DEG 25KT 3966 8960 

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

$$

Shimon

193 
WWUS53 KILX 152254
SVSILX

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

ILC167-152304-
/O.CAN.KILX.TO.W.0015.000000T0000Z-200715T2315Z/
Sangamon-
554 PM CDT Wed Jul 15 2020

...THE TORNADO WARNING FOR SOUTH CENTRAL SANGAMON COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

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

LAT...LON 3971 8949 3962 8956 3962 8962 3965 8966
      3973 8964
TIME...MOT...LOC 2252Z 203DEG 25KT 3971 8957 

$$

Shimon

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 10:35 AM CDT	Special Weather Statement	ILX	Schuyler	40 min
Jul 15, 11:37 AM CDT	Special Weather Statement	ILX	Fulton, Schuyler	38 min
Jul 15, 12:13 PM CDT	Special Weather Statement	ILX	Fulton	47 min
Jul 15, 12:49 PM CDT	Special Weather Statement	ILX	Tazewell	41 min
Jul 15, 12:51 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Mason, Peoria, Tazewell	54 min
Jul 15, 1:00 PM CDT	Special Weather Statement	ILX	Fulton	60 min
Jul 15, 1:41 PM CDT	Tornado Warning	ILX	Tazewell	34 min
Jul 15, 2:15 PM CDT	Severe Thunderstorm Warning	ILX	McLean, Peoria, Tazewell, Woodford	60 min
Jul 15, 2:30 PM CDT	Flash Flood Warning	ILX	Peoria, Tazewell	3 hr
Jul 15, 3:12 PM CDT	Severe Thunderstorm Warning	ILX	McLean, Woodford	48 min
Jul 15, 3:15 PM CDT	Flash Flood Warning	ILX	Tazewell, Woodford	4 hr
Jul 15, 3:55 PM CDT	Severe Thunderstorm Warning	ILX	McLean	35 min
Jul 15, 4:07 PM CDT	Tornado Warning Tornado observed	ILX	McLean	8 min
Jul 15, 4:11 PM CDT	Flash Flood Warning	ILX	Woodford	4 hr
Jul 15, 4:16 PM CDT	Tornado Warning Tornado observed	ILX	McLean	29 min
Jul 15, 5:07 PM CDT	Special Weather Statement	ILX	Tazewell	53 min
Jul 15, 5:17 PM CDT	Flash Flood Warning	ILX	Fulton, Mason, Peoria, Tazewell	5 hr
Jul 15, 5:40 PM CDT	Severe Thunderstorm Warning	ILX	Shelby	50 min
Jul 15, 5:53 PM CDT	Severe Thunderstorm Warning	ILX	Effingham, Shelby	37 min
Jul 15, 6:17 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Cumberland, Douglas, Moultrie, Shelby	43 min
Jul 15, 6:19 PM CDT	Flash Flood Warning	ILX	Logan, McLean, Tazewell, Woodford	4 hr
Jul 15, 6:25 PM CDT	Severe Thunderstorm Warning	ILX	McLean	50 min
Jul 15, 6:31 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Cumberland, Effingham, Shelby	44 min
Jul 15, 6:36 PM CDT	Tornado Warning	ILX	McLean	39 min
Jul 15, 6:52 PM CDT	Flash Flood Warning	ILX	McLean, Peoria, Tazewell, Woodford	7 hr

Nearby

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