Alert archive / Illinois / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 29, NWS Lincoln, IL

March 23, 2012Vermilion County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Mar 23, 2012, 4:08 PM CDT for Vermilion County, Illinois. It was in force for 26 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Mar 23, 2012, 4:08 PM CDT (21:08 UTC)
Expired: Mar 23, 2012, 4:34 PM CDT
In force: 26 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Vermilion County, IL

The radar

The Indianapolis radar (KIND), 131 km from the middle of the area, began a volume at 21:09 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.

What was reported inside it

Time	Report	Where	Remark
Mar 23, 4:10 PM CDT	TSTM WND DMG	Ridge Farm, IL	SPOTTERS REPORTED LARGE PINE TREE UPROOTED.
Mar 23, 4:10 PM CDT	HAIL 0.75	Indianola, IL
Mar 23, 4:15 PM CDT	TSTM WND DMG	Ridge Farm, IL	SIDING PEELED AWAY FROM BUILDING IN DOWNTOWN AREA.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 23, 11:44 AM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.1 hours before the alert went out and 73 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: 808 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

991 
WUUS53 KILX 232108
SVRILX
ILC183-232145-
/O.NEW.KILX.SV.W.0029.120323T2108Z-120323T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
408 PM CDT FRI MAR 23 2012

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN VERMILION COUNTY IN EAST CENTRAL ILLINOIS...

* UNTIL 445 PM CDT.

* AT 403 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM ALLERTON TO RIDGE FARM...AND
  MOVING NORTH AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GEORGETOWN...FAIRMOUNT...WESTVILLE...CATLIN...FITHIAN...TILTON...
  OAKWOOD...INDIANOLA...JAMAICA AND KICKAPOO STATE PARK.

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKER 198 AND THE
INDIANA BORDER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3988 8764 3988 8794 4013 8794 4014 8787
      4014 8753
TIME...MOT...LOC 2108Z 188DEG 36KT 3992 8790 3990 8768
WIND...HAIL 60MPH 1.00IN

$$

GEELHART

2 follow-up statements

505 
WWUS53 KILX 232121
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
421 PM CDT FRI MAR 23 2012

ILC183-232145-
/O.CON.KILX.SV.W.0029.000000T0000Z-120323T2145Z/
VERMILION IL-
421 PM CDT FRI MAR 23 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
VERMILION COUNTY UNTIL 445 PM CDT...

AT 417 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM FAIRMOUNT TO GEORGETOWN...MOVING
NORTH AT 40 MPH.

AT 410 PM...VERMILION COUNTY EMERGENCY MANAGEMENT REPORTED A LARGE
TREE DOWN IN RIDGE FARM...DUE TO THE STORMS. 

LOCATIONS IMPACTED INCLUDE...
  WESTVILLE...CATLIN...FITHIAN...TILTON...OAKWOOD AND KICKAPOO STATE
  PARK.

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 198 AND 219.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3994 8762 3996 8794 4013 8794 4014 8787
      4014 8753
TIME...MOT...LOC 2121Z 188DEG 36KT 4005 8788 4003 8766
WIND...HAIL 60MPH 1.00IN

$$

GEELHART

039 
WWUS53 KILX 232134
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
434 PM CDT FRI MAR 23 2012

ILC183-232144-
/O.CAN.KILX.SV.W.0029.000000T0000Z-120323T2145Z/
VERMILION IL-
434 PM CDT FRI MAR 23 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN VERMILION COUNTY IS
CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.

A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR THE NORTHERN
HALF OF VERMILION COUNTY UNTIL 5 PM. 

LAT...LON 3994 8762 3996 8794 4013 8794 4014 8787
      4014 8753
TIME...MOT...LOC 2134Z 188DEG 36KT 4018 8786 4016 8764

$$
GEELHART

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 23, 1:11 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Cumberland, Effingham, Shelby	29 min
Mar 23, 1:33 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Moultrie	42 min
Mar 23, 2:08 PM CDT	Tornado Warning	ILX	Clay	27 min
Mar 23, 2:12 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Douglas	35 min
Mar 23, 2:14 PM CDT	Severe Thunderstorm Warning	ILX	Lawrence, Richland	31 min
Mar 23, 2:28 PM CDT	Tornado Warning	ILX	Clay, Effingham	30 min
Mar 23, 2:33 PM CDT	Severe Thunderstorm Warning	ILX	Lawrence	37 min
Mar 23, 2:39 PM CDT	Severe Thunderstorm Warning	ILX	Crawford, Jasper, Lawrence, Richland	22 min
Mar 23, 2:44 PM CDT	Severe Thunderstorm Warning	ILX	Champaign	46 min
Mar 23, 2:53 PM CDT	Tornado Warning	ILX	Clay	24 min
Mar 23, 3:26 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Edgar	34 min
Mar 23, 3:28 PM CDT	Severe Thunderstorm Warning	ILX	Champaign	17 min
Mar 23, 3:35 PM CDT	Severe Thunderstorm Warning	ILX	Vermilion	38 min
Mar 23, 3:42 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	25 min
Mar 23, 3:44 PM CDT	Severe Thunderstorm Warning	ILX	Edgar	31 min
Mar 23, 4:29 PM CDT	Severe Thunderstorm Warning	ILX	McLean, Marshall, Woodford	34 min
Mar 23, 4:31 PM CDT	Severe Thunderstorm Warning	ILX	Vermilion	29 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2012 Every severe thunderstorm warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.