Alert archive / Illinois / Tornado Warnings in 2020

Tornado Warning 9, NWS Lincoln, IL

May 28, 2020Marshall County, Peoria County, Illinois

NWS Lincoln, IL issued this tornado warning at May 28, 2020, 4:46 PM CDT for Marshall County, Peoria County, Illinois. It was in force for 15 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: May 28, 2020, 4:46 PM CDT (21:46 UTC)
Expired: May 28, 2020, 5:01 PM CDT
In force: 15 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Marshall County, IL, Peoria County, IL

The radar

The Lincoln radar (KILX), 94 km from the middle of the area, began a volume at 21:48 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 nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 9.8 hours before the alert went out and 104 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: 144 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 536 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: -9 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

767 
WFUS53 KILX 282146
TORILX
ILC123-143-282215-
/O.NEW.KILX.TO.W.0009.200528T2146Z-200528T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
446 PM CDT Thu May 28 2020

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  Southwestern Marshall County in central Illinois...
  North central Peoria County in central Illinois...

* Until 515 PM CDT.
    
* At 445 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Dunlap, or 12 miles north of Peoria, moving
  northeast at 20 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Expect damage to mobile homes, roofs, and vehicles.

* This tornadic thunderstorm will remain over mainly rural areas of
  southwestern Marshall and north central Peoria Counties, including
  the following locations... Lawn Ridge and Hopewell.

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 4098 8946 4086 8963 4089 8970 4097 8967
      4098 8964 4103 8964 4106 8963
TIME...MOT...LOC 2145Z 219DEG 17KT 4093 8963 

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

$$

Deubelbeiss

2 follow-up statements

785 
WWUS53 KILX 282158
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
458 PM CDT Thu May 28 2020

ILC123-143-282215-
/O.CON.KILX.TO.W.0009.000000T0000Z-200528T2215Z/
Marshall-Peoria-
458 PM CDT Thu May 28 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR
SOUTHWESTERN MARSHALL AND NORTH CENTRAL PEORIA COUNTIES...
    
At 458 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Chillicothe, or 10 miles southwest of Lacon, moving
northeast at 20 mph.

HAZARD...TORNADO.

SOURCE...Radar indicated rotation.

IMPACT...Expect damage to mobile homes, roofs, and vehicles.

Locations impacted include...
Hopewell and Lawn Ridge. 

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 4088 8960 4091 8966 4098 8964 4103 8964
      4106 8963 4098 8946
TIME...MOT...LOC 2158Z 219DEG 16KT 4096 8959 

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

$$

Deubelbeiss

111 
WWUS53 KILX 282201
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
501 PM CDT Thu May 28 2020

ILC123-143-282211-
/O.CAN.KILX.TO.W.0009.000000T0000Z-200528T2215Z/
Marshall-Peoria-
501 PM CDT Thu May 28 2020

...THE TORNADO WARNING FOR SOUTHWESTERN MARSHALL AND NORTH CENTRAL
PEORIA COUNTIES 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.

LAT...LON 4088 8960 4091 8966 4098 8964 4103 8964
      4106 8963 4098 8946
TIME...MOT...LOC 2159Z 219DEG 17KT 4097 8958 

$$

Deubelbeiss

The office that day

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

Issued	Product	Office	Counties	Lasted
May 28, 4:28 PM CDT	Special Weather Statement	ILX	Marshall, Peoria	47 min
May 28, 5:37 PM CDT	Special Weather Statement	ILX	DeWitt	23 min
May 28, 6:03 PM CDT	Flash Flood Warning	ILX	Marshall	3 hr
May 28, 6:15 PM CDT	Tornado Warning Tornado observed	ILX	Christian	30 min

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.