Alert archive / Illinois / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 13, NWS Lincoln, IL

April 8, 2020Fulton County, Knox County, Peoria County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Apr 8, 2020, 4:08 PM CDT for Fulton County, Knox County, Peoria County, Illinois. It was in force for 30 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: Apr 8, 2020, 4:08 PM CDT (21:08 UTC)
Expired: Apr 8, 2020, 4:38 PM CDT
In force: 30 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Tornado: Possible
Hail: 1.25 in
Wind: 60.0 mph

Counties Fulton County, IL, Knox County, IL, Peoria County, IL

The radar

The Quad Cities radar (KDVN), 96 km from the middle of the area, began a volume at 21:08 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
Apr 8, 3:08 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 9.1 hours before the alert went out and 94 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: 2021 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 12 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

135 
WUUS53 KILX 082108
SVRILX
ILC057-095-143-082200-
/O.NEW.KILX.SV.W.0013.200408T2108Z-200408T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
408 PM CDT Wed Apr 8 2020

The National Weather Service in Lincoln has issued a

* Severe Thunderstorm Warning for...
  Northeastern Fulton County in west central Illinois...
  Southern Knox County in west central Illinois...
  West central Peoria County in central Illinois...

* Until 500 PM CDT.

* At 408 PM CDT, a severe thunderstorm was located near Knoxville, or
  7 miles southeast of Galesburg, moving east at 40 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Galesburg, Abingdon, Knoxville, Farmington, Elmwood, Trivoli,
  Brimfield, Yates City, Maquon, Gilson, East Galesburg, Delong and
  Middle Grove.

This includes Interstate 74 between mile markers 47 and 78.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4085 8979 4060 8991 4080 9045 4083 9045
      4098 9037
TIME...MOT...LOC 2108Z 290DEG 34KT 4086 9030 

TORNADO...POSSIBLE
HAIL...1.25IN
WIND...60MPH
 
$$

37

1 follow-up statement

964 
WWUS53 KILX 082138
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
438 PM CDT Wed Apr 8 2020

ILC057-095-143-082147-
/O.CAN.KILX.SV.W.0013.000000T0000Z-200408T2200Z/
Fulton-Knox-Peoria-
438 PM CDT Wed Apr 8 2020

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN FULTON...SOUTHERN
KNOX AND WEST CENTRAL PEORIA COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has weakened.
moved out of the warned area. Therefore, the warning has been 
cancelled.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
central and west central Illinois.

LAT...LON 4085 8979 4060 8991 4080 9045 4083 9045
      4098 9037
TIME...MOT...LOC 2135Z 290DEG 34KT 4076 8995 

$$

Auten

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 7, 10:48 PM CDT	Severe Thunderstorm Warning	ILX	Knox	24 min
Apr 8, 3:53 PM CDT	Severe Thunderstorm Warning	ILX	Knox, Peoria, Stark	52 min
Apr 8, 4:02 PM CDT	Severe Thunderstorm Warning	ILX	Fulton	43 min
Apr 8, 4:34 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Mason, Menard, Morgan, Sangamon	41 min
Apr 8, 4:40 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Logan, Mason, Menard, Tazewell	50 min
Apr 8, 5:07 PM CDT	Special Weather Statement	ILX	McLean	38 min
Apr 8, 5:10 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Logan, Macon, Menard, Sangamon	50 min
Apr 8, 5:16 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt, Logan, McLean, Macon, Menard, Piatt	44 min
Apr 8, 5:27 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Menard, Morgan, Sangamon	33 min
Apr 8, 5:29 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Morgan, Sangamon, Scott	31 min
Apr 8, 5:56 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Christian, Douglas, Macon, Moultrie, Piatt and 2 more	49 min
Apr 8, 6:08 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	52 min
Apr 8, 6:33 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Clay, Coles, Crawford, Cumberland, Douglas and 5 more	42 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2020 Every severe thunderstorm warning 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.