Alert archive / Illinois / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 85, NWS Lincoln, IL

June 22, 2016Marshall County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jun 22, 2016, 9:35 PM CDT for Marshall County, Illinois. It was in force for 10 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: Jun 22, 2016, 9:35 PM CDT (02:35 UTC)
Expired: Jun 22, 2016, 9:45 PM CDT
In force: 10 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 70.0 mph

County Marshall County, IL

The radar

The Lincoln radar (KILX), 100 km from the middle of the area, began a volume at 02:36 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
Jun 22, 6:11 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.6 hours before the alert went out and 107 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: 2491 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 1597 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 170 m²/s²
0-3 km storm-relative helicity: 406 m²/s²
Significant tornado parameter: 2.1
Supercell composite: 41.8

Open this sounding in Storm Lab

The text

As transmitted.

459 
WUUS53 KILX 230235
SVRILX
ILC123-230245-
/O.NEW.KILX.SV.W.0085.160623T0235Z-160623T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
935 PM CDT WED JUN 22 2016

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN MARSHALL COUNTY IN CENTRAL ILLINOIS...

* UNTIL 945 PM CDT

* AT 934 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER WENONA...OR
  13 MILES WEST OF STREATOR...MOVING SOUTHEAST AT 40 MPH.

  HAZARD...70 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT CONSIDERABLE TREE DAMAGE. DAMAGE IS LIKELY TO 
           MOBILE HOMES...ROOFS...AND OUTBUILDINGS. 

* LOCATIONS IMPACTED INCLUDE...
  TOLUCA AND WENONA. 

THIS INCLUDES INTERSTATE 39 BETWEEN MILE MARKERS 29 AND 40.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

THIS THUNDERSTORM IS CAPABLE OF PRODUCING ALL TYPES OF SEVERE
WEATHER INCLUDING EXTREMELY LARGE HAIL...DESTRUCTIVE STRAIGHT LINE
WINDS AND TORNADOES. MOVE QUICKLY TO A SAFE SHELTER SUCH AS AN
INTERIOR ROOM...A BATHROOM...CLOSET OR BASEMENT.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FOR CENTRAL
ILLINOIS.

LAT...LON 4110 8905 4093 8905 4093 8916 4110 8924
TIME...MOT...LOC 0234Z 304DEG 35KT 4106 8907 

HAIL...<.75IN
WIND...70MPH
 
$$

AUTEN

1 follow-up statement

245 
WWUS53 KILX 230246
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
946 PM CDT WED JUN 22 2016

ILC123-230256-
/O.EXP.KILX.SV.W.0085.000000T0000Z-160623T0245Z/
MARSHALL-
946 PM CDT WED JUN 22 2016

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MARSHALL COUNTY HAS
EXPIRED...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE...THE WARNING HAS BEEN ALLOWED TO EXPIRE.  HOWEVER GUSTY
WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT FOR CENTRAL
ILLINOIS.

LAT...LON 4110 8905 4093 8905 4093 8916 4110 8924
TIME...MOT...LOC 0243Z 304DEG 35KT 4106 8907 

$$

AUTEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 9:07 PM CDT	Severe Thunderstorm Warning	ILX	Marshall	38 min
Jun 22, 11:33 PM CDT	Severe Thunderstorm Warning	ILX	Vermilion	45 min
Jun 23, 5:09 AM CDT	Dense Fog Advisory	ILX	Knox, Marshall, Stark	4 hr

Nearby

Severe Thunderstorm Warnings in Illinois, 2016 Every severe thunderstorm warning in 2016

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.