Alert archive / Illinois / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 6, NWS Lincoln, IL

March 2, 2012Clark County, Edgar County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Mar 2, 2012, 8:22 AM CST for Clark County, Edgar County, Illinois. It was in force for 38 min. 2 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 2, 2012, 8:22 AM CST (14:22 UTC)
Expired: Mar 2, 2012, 9:00 AM CST
In force: 38 min
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Clark County, IL, Edgar County, IL

The radar

The Evansville,IN radar (KVWX), 119 km from the middle of the area, began a volume at 14:24 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 2, 8:27 AM CST	HAIL 0.88	Martinsville, IL
Mar 2, 8:34 AM CST	HAIL 0.88	Dennison, IL

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 2, 5:52 AM CST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 2.4 hours before the alert went out and 121 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: 1770 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 163 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.

742 
WUUS53 KILX 021422
SVRILX
ILC023-045-021500-
/O.NEW.KILX.SV.W.0006.120302T1422Z-120302T1500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
822 AM CST FRI MAR 2 2012

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CLARK COUNTY IN EAST CENTRAL ILLINOIS...
  SOUTHEASTERN EDGAR COUNTY IN EAST CENTRAL ILLINOIS...

* UNTIL 900 AM CST.

* AT 819 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR CASEY...OR 16 MILES SOUTHWEST OF MARSHALL...
  AND MOVING NORTHEAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MARSHALL...MARTINSVILLE...OLIVER...DENNISON...LINCOLN TRAIL STATE
  PARK AND DARWIN.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 127 AND 154.

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 3933 8755 3934 8758 3931 8761 3930 8759
      3929 8761 3926 8760 3919 8792 3932 8801
      3934 8801 3958 8752 3935 8753
TIME...MOT...LOC 1423Z 235DEG 43KT 3930 8789
WIND...HAIL <50MPH 1.00IN

$$

BARNES

2 follow-up statements

777 
WWUS53 KILX 021433
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
833 AM CST FRI MAR 2 2012

ILC023-045-021500-
/O.CON.KILX.SV.W.0006.000000T0000Z-120302T1500Z/
CLARK IL-EDGAR IL-
833 AM CST FRI MAR 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
EDGAR AND CLARK COUNTIES UNTIL 900 AM CST...

AT 829 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
STORM WAS LOCATED 6 MILES EAST OF MARTINSVILLE...OR 6 MILES SOUTHWEST
OF MARSHALL...MOVING NORTHEAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  MARSHALL...OLIVER...DENNISON AND DARWIN.

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 3933 8755 3934 8758 3931 8761 3930 8759
      3929 8761 3926 8760 3919 8792 3932 8801
      3934 8801 3958 8752 3935 8753
TIME...MOT...LOC 1433Z 235DEG 43KT 3936 8773
WIND...HAIL <50MPH 1.00IN

$$

BARNES

296 
WWUS53 KILX 021451
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
851 AM CST FRI MAR 2 2012

ILC023-045-021501-
/O.EXP.KILX.SV.W.0006.000000T0000Z-120302T1500Z/
CLARK IL-EDGAR IL-
851 AM CST FRI MAR 2 2012

...THE SEVERE THUNDERSTORM WARNING FOR FAR SOUTHEASTERN EDGAR AND 
CLARK COUNTIES WILL EXPIRE AT 900 AM CST...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 11 AM CST.

LAT...LON 3933 8755 3934 8758 3931 8761 3930 8759
      3929 8761 3926 8760 3919 8792 3932 8801
      3934 8801 3958 8752 3935 8753
TIME...MOT...LOC 1451Z 235DEG 43KT 3948 8750

$$

BARNES

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 2, 3:41 AM CST	Wind Advisory	ILX	Champaign, Christian, Clark, Clay, Coles, Crawford and 16 more	16 hr
Mar 2, 7:20 AM CST	Severe Thunderstorm Warning	ILX	Christian, Coles, Cumberland, Effingham, Moultrie, Shelby	40 min
Mar 2, 8:00 AM CST	Severe Thunderstorm Warning	ILX	Clark, Coles, Cumberland, Douglas, Edgar, Moultrie and 1 more	45 min
Mar 2, 8:09 AM CST	Special Weather Statement	ILX	Sangamon	51 min
Mar 2, 8:42 AM CST	Severe Thunderstorm Warning	ILX	Edgar	33 min
Mar 2, 9:06 AM CST	Special Weather Statement	ILX	Macon	54 min
Mar 2, 11:22 AM CST	Severe Thunderstorm Warning	ILX	Clay, Effingham, Jasper	26 min
Mar 2, 11:30 AM CST	Severe Thunderstorm Warning	ILX	Clark, Coles, Edgar	30 min
Mar 2, 12:05 PM CST	Severe Thunderstorm Warning	ILX	Clay	40 min
Mar 2, 1:15 PM CST	Tornado Warning	ILX	Lawrence	13 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.