Alert archive / Illinois / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 13, NWS Lincoln, IL

April 8, 2015Lawrence County, Richland County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Apr 8, 2015, 1:48 PM CDT for Lawrence County, Richland County, Illinois. It was in force for 42 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, 2015, 1:48 PM CDT (18:48 UTC)
Expired: Apr 8, 2015, 2:30 PM CDT
In force: 42 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Lawrence County, IL, Richland County, IL

The radar

The Evansville,IN radar (KVWX), 45 km from the middle of the area, began a volume at 18:50 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, 1:05 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 6.8 hours before the alert went out and 178 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: 195 J/kg
Mixed-layer CIN: -238 J/kg
Mixed-layer LCL: 839 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 142 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 7.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

559 
WUUS53 KILX 081848
SVRILX
ILC101-159-081930-
/O.NEW.KILX.SV.W.0013.150408T1848Z-150408T1930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
148 PM CDT WED APR 8 2015

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LAWRENCE COUNTY IN SOUTHEAST ILLINOIS...
  SOUTHERN RICHLAND COUNTY IN SOUTHEAST ILLINOIS...

* UNTIL 230 PM CDT

* AT 147 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  PARKERSBURG...AND MOVING EAST AT 30 MPH.

  HAZARD...QUARTER SIZE HAIL.

  SOURCE...RADAR INDICATED.

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED.

* LOCATIONS IMPACTED INCLUDE...
  LAWRENCEVILLE...CALHOUN...SUMNER...BRIDGEPORT...ST. FRANCISVILLE...
  BERRYVILLE...HELENA...RED HILLS STATE PARK...MOUNT CARMEL
  AIRPORT...BILLETT AND LAWRENCEVILLE AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3859 8816 3859 8824 3863 8829 3865 8828
      3866 8824 3882 8752 3879 8750 3874 8749
      3868 8754 3866 8760 3861 8762 3859 8761
      3856 8765 3856 8815
TIME...MOT...LOC 1849Z 255DEG 28KT 3858 8804

HAIL...1.00IN
WIND...<50MPH

$$

BARKER

1 follow-up statement

357 
WWUS53 KILX 081907
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
207 PM CDT WED APR 8 2015

ILC101-159-081930-
/O.CON.KILX.SV.W.0013.000000T0000Z-150408T1930Z/
LAWRENCE IL-RICHLAND IL-
207 PM CDT WED APR 8 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
RICHLAND AND LAWRENCE COUNTIES UNTIL 230 PM CDT...

AT 203 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES EAST OF 
CALHOUN...AND MOVING NORTHEAST AT 30 MPH.  A SECOND SEVERE 
THUNDERSTORM WILL MOVE INTO SOUTHERN RICHLAND COUNTY FROM WAYNE 
COUNTY BY 215 PM.

HAZARD...QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...DAMAGE TO VEHICLES IS EXPECTED.

LOCATIONS IMPACTED INCLUDE...
LAWRENCEVILLE...SUMNER...BRIDGEPORT...ST. FRANCISVILLE...HELENA...RED
HILLS STATE PARK...MOUNT CARMEL AIRPORT...BILLETT AND LAWRENCEVILLE
AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3859 8816 3859 8824 3863 8829 3865 8828
      3866 8824 3882 8752 3879 8750 3874 8749
      3868 8754 3866 8760 3861 8762 3859 8761
      3856 8765 3856 8815
TIME...MOT...LOC 1906Z 245DEG 25KT 3864 8792

HAIL...1.00IN
WIND...<50MPH

$$

BARKER

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 8, 1:05 AM CDT	Special Weather Statement	ILX	Marshall, Stark	55 min
Apr 8, 1:43 AM CDT	Special Weather Statement	ILX	Knox	47 min
Apr 8, 2:14 AM CDT	Special Weather Statement	ILX	Marshall, Stark	61 min
Apr 8, 3:13 AM CDT	Special Weather Statement	ILX	Marshall	32 min
Apr 8, 3:18 AM CDT	Severe Thunderstorm Warning	ILX	Marshall	27 min
Apr 8, 3:26 AM CDT	Special Weather Statement	ILX	Woodford	64 min
Apr 8, 3:53 AM CDT	Severe Thunderstorm Warning	ILX	Woodford	22 min
Apr 8, 3:59 AM CDT	Severe Thunderstorm Warning	ILX	Fulton, Mason, Tazewell	46 min
Apr 8, 4:02 AM CDT	Special Weather Statement	ILX	Macon	43 min
Apr 8, 4:14 AM CDT	Special Weather Statement	ILX	Peoria, Woodford	61 min
Apr 8, 4:24 AM CDT	Severe Thunderstorm Warning	ILX	McLean, Tazewell, Woodford	66 min
Apr 8, 4:30 AM CDT	Severe Thunderstorm Warning	ILX	Peoria, Tazewell, Woodford	16 min
Apr 8, 4:56 AM CDT	Special Weather Statement	ILX	DeWitt	64 min
Apr 8, 5:12 AM CDT	Severe Thunderstorm Warning	ILX	DeWitt, Logan, McLean, Piatt	33 min
Apr 8, 5:31 AM CDT	Severe Thunderstorm Warning	ILX	Champaign, Piatt	44 min
Apr 8, 5:54 AM CDT	Severe Thunderstorm Warning	ILX	Champaign	36 min
Apr 8, 6:14 AM CDT	Severe Thunderstorm Warning	ILX	Vermilion	45 min
Apr 8, 6:24 AM CDT	Severe Thunderstorm Warning	ILX	Clark, Coles, Edgar	56 min
Apr 8, 6:51 AM CDT	Areal Flood Advisory	ILX	Coles	6 hr
Apr 8, 7:32 AM CDT	Severe Thunderstorm Warning	ILX	Coles	28 min
Apr 8, 1:27 PM CDT	Severe Thunderstorm Warning	ILX	Clay	31 min
Apr 8, 2:25 PM CDT	Severe Thunderstorm Warning	ILX	Lawrence, Richland	35 min
Apr 8, 2:30 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, McLean	26 min
Apr 8, 3:01 PM CDT	Severe Thunderstorm Warning	ILX	Lawrence, Richland	17 min
Apr 8, 3:17 PM CDT	Flash Flood Watch	ILX	Clark, Clay, Coles, Crawford, Cumberland, Douglas and 7 more	32 hr
Apr 8, 3:41 PM CDT	Severe Thunderstorm Warning	ILX	Lawrence	31 min
Apr 8, 4:05 PM CDT	Flash Flood Warning	ILX	Lawrence, Richland	6 hr
Apr 8, 4:45 PM CDT	Special Weather Statement	ILX	Richland	60 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2015 Every severe thunderstorm warning in 2015

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.