Alert archive / Illinois / Tornado Warnings in 2020

Tornado Warning 7, NWS Lincoln, IL

May 17, 2020Lawrence County, Illinois

NWS Lincoln, IL issued this tornado warning at May 17, 2020, 6:02 PM CDT for Lawrence 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
May 17, 2020, 6:02 PM CDT (23:02 UTC)
Expired
May 17, 2020, 6:30 PM CDT
In force
28 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Lawrence County, IL

The radar

The Evansville,IN radar (KVWX), 58 km from the middle of the area, began a volume at 23:04 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
May 17, 4:18 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.0 hours before the alert went out and 175 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 2020-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 40 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 12:00Z on 2020-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 167 square meters per square second.19395878Sfc1 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
40 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
599 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
167 m²/s²
0-3 km storm-relative helicity
173 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

981 
WFUS53 KILX 172302
TORILX
ILC101-172330-
/O.NEW.KILX.TO.W.0007.200517T2302Z-200517T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
602 PM CDT Sun May 17 2020

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  Northeastern Lawrence County in southeastern Illinois...

* Until 630 PM CDT.
    
* At 602 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Lawrenceville, moving northeast at 25 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.

* This dangerous storm will be near...
  Birds around 620 PM CDT.
  Russellville around 630 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Pinkstaff and Lawrenceville Airport.

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 3866 8770 3871 8776 3885 8771 3885 8753
      3883 8752 3882 8752 3882 8753 3879 8750
TIME...MOT...LOC 2302Z 210DEG 21KT 3873 8769 

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

$$

37
2 follow-up statements
577 
WWUS53 KILX 172314
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
614 PM CDT Sun May 17 2020

ILC101-172330-
/O.CON.KILX.TO.W.0007.000000T0000Z-200517T2330Z/
Lawrence-
614 PM CDT Sun May 17 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
NORTHEASTERN LAWRENCE COUNTY...
    
At 613 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Birds, or near Lawrenceville, moving northeast at 25
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.

This dangerous storm will be near...
  Russellville around 630 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Pinkstaff and Lawrenceville Airport.

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 3872 8763 3875 8769 3885 8768 3885 8753
      3883 8752 3882 8752 3882 8753 3879 8750
TIME...MOT...LOC 2313Z 210DEG 21KT 3879 8765 

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

$$

37
224 
WWUS53 KILX 172324
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
624 PM CDT Sun May 17 2020

ILC101-172333-
/O.EXP.KILX.TO.W.0007.000000T0000Z-200517T2330Z/
Lawrence-
624 PM CDT Sun May 17 2020

...THE TORNADO WARNING FOR NORTHEASTERN LAWRENCE COUNTY WILL EXPIRE
AT 630 PM CDT...
        
The storm that prompted the tornado warning has moved out of the 
area. Therefore, the warning will be allowed to expire.  However 
hail and gusty winds are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
southeastern Illinois.

LAT...LON 3872 8763 3875 8769 3885 8768 3885 8753
      3883 8752 3882 8752 3882 8753 3879 8750
TIME...MOT...LOC 2323Z 210DEG 21KT 3883 8762 

$$

37

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 9:06 PM CDTFlash Flood WatchILXCass, Champaign, Christian, DeWitt, Douglas, Logan and 15 more34 hr
May 17, 5:33 AM CDTRiver Flood WarningILXFulton, Knox64 hr
May 17, 5:37 AM CDTRiver Flood WarningILXPiatt7 days
May 17, 10:56 AM CDTAreal Flood WarningILXSangamon6 hr
May 17, 11:37 AM CDTRiver Flood WarningILXCass, Mason, Menard5 days
May 17, 11:37 AM CDTRiver Flood WarningILXCass, Mason8 days
May 17, 4:09 PM CDTTornado WarningILXMacon17 min
May 17, 4:48 PM CDTSpecial Weather StatementILXPiatt42 min
May 17, 4:54 PM CDTSpecial Weather StatementILXClark, Crawford, Lawrence, Richland51 min
May 17, 5:14 PM CDTSevere Thunderstorm WarningILXCrawford, Lawrence46 min
May 17, 5:30 PM CDTSpecial Weather StatementILXChampaign, Douglas45 min
May 17, 5:50 PM CDTSpecial Weather StatementILXLawrence25 min
May 17, 6:11 PM CDTSevere Thunderstorm WarningILXLawrence19 min
May 17, 6:21 PM CDTSevere Thunderstorm WarningILXCrawford, Lawrence16 min
May 17, 6:52 PM CDTSpecial Weather StatementILXVermilion53 min

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.