Alert archive / Illinois / Tornado Warnings in 2019

Tornado Warning 1, NWS Lincoln, IL

May 8, 2019Marshall County, Illinois

NWS Lincoln, IL issued this tornado warning at May 8, 2019, 8:16 PM CDT for Marshall County, Illinois. It was in force for 14 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 8, 2019, 8:16 PM CDT (01:16 UTC)
Expired
May 8, 2019, 8:30 PM CDT
In force
14 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Marshall County, IL

The radar

The Lincoln radar (KILX), 103 km from the middle of the area, began a volume at 01:15 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

Lincoln, IL (KILX), launched 00:00Z, 1.3 hours before the alert went out and 114 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 00:00Z on 2019-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 122 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 00:00Z on 2019-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 194 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
122 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1558 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
194 m²/s²
0-3 km storm-relative helicity
238 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.2

Open this sounding in Storm Lab

The text

As transmitted.

988 
WFUS53 KILX 090116
TORILX
ILC123-090130-
/O.NEW.KILX.TO.W.0001.190509T0116Z-190509T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
816 PM CDT WED MAY 8 2019

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  Northeastern Marshall County in central Illinois...

* Until 830 PM CDT.
    
* At 815 PM CDT, a severe thunderstorm capable of producing a 
  tornado was located near Magnolia, or 12 miles southeast of 
  Hennepin, moving northeast at 55 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 tornadic thunderstorm will remain over mainly rural areas of
  northeastern Marshall County.

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 4104 8918 4106 8926 4110 8924 4110 8911
TIME...MOT...LOC 0115Z 204DEG 49KT 4111 8918 

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

$$

Geelhart
1 follow-up statement
401 
WWUS53 KILX 090126
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
826 PM CDT WED MAY 8 2019

ILC123-090136-
/O.EXP.KILX.TO.W.0001.000000T0000Z-190509T0130Z/
Marshall-
826 PM CDT WED MAY 8 2019

...THE TORNADO WARNING FOR NORTHEASTERN MARSHALL COUNTY WILL EXPIRE
AT 830 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

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

LAT...LON 4104 8918 4106 8926 4110 8924 4110 8911
TIME...MOT...LOC 0126Z 204DEG 49KT 4123 8911 

$$

Geelhart

Nearby

Tornado Warnings in Illinois, 2019Every tornado warning in 2019Tornadoes in 2019

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.