Alert archive / Illinois / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 32, NWS Lincoln, IL

March 30, 2012Clark County, Crawford County, Jasper County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Mar 30, 2012, 3:17 PM CDT for Clark County, Crawford County, Jasper County, Illinois. It was in force for 58 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
Mar 30, 2012, 3:17 PM CDT (20:17 UTC)
Expired
Mar 30, 2012, 4:15 PM CDT
In force
58 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Clark County, IL, Crawford County, IL, Jasper County, IL

The radar

The Evansville,IN radar (KVWX), 98 km from the middle of the area, began a volume at 20:17 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.

IssuedProductOfficeLasted
Mar 30, 2:51 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.3 hours before the alert went out and 134 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 12:00Z on 2012-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 164 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 12:00Z on 2012-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 206 square meters per square second.193958Sfc1 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
164 J/kg
Mixed-layer CIN
-244 J/kg
Mixed-layer LCL
1045 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
206 m²/s²
0-3 km storm-relative helicity
230 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.

973 
WUUS53 KILX 302017
SVRILX
ILC023-033-079-302115-
/O.NEW.KILX.SV.W.0032.120330T2017Z-120330T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
317 PM CDT FRI MAR 30 2012

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN CLARK COUNTY IN EAST CENTRAL ILLINOIS...
  NORTHERN CRAWFORD COUNTY IN EAST CENTRAL ILLINOIS...
  NORTHEASTERN JASPER COUNTY IN SOUTHEAST ILLINOIS...

* UNTIL 415 PM CDT.

* AT 314 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  HIDALGO...OR 12 MILES NORTH OF NEWTON...AND MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ANNAPOLIS...EATON...HUTSONVILLE...WEST UNION...YALE...BELLAIR...
  ORANGE...WEST YORK AND YORK.

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 3914 8765 3912 8763 3911 8763 3910 8761
      3909 8762 3908 8759 3906 8758 3907 8810
      3917 8813 3917 8801 3922 8801 3926 8757
      3921 8757
TIME...MOT...LOC 2017Z 263DEG 22KT 3915 8807
WIND...HAIL 60MPH 1.00IN

$$

BAK
3 follow-up statements
074 
WWUS53 KILX 302027
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
327 PM CDT FRI MAR 30 2012

ILC023-033-079-302115-
/O.CON.KILX.SV.W.0032.000000T0000Z-120330T2115Z/
JASPER IL-CLARK IL-CRAWFORD IL-
327 PM CDT FRI MAR 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
CRAWFORD...SOUTHERN CLARK AND NORTHEASTERN JASPER COUNTIES UNTIL 415
PM CDT...

AT 325 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
HAZEL DELL...OR 14 MILES NORTHEAST OF NEWTON...MOVING EAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  ANNAPOLIS...EATON...HUTSONVILLE...WEST UNION...BELLAIR...ORANGE...
  TRIMBLE...WEST YORK AND YORK.

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 3914 8765 3911 8763 3910 8761 3909 8762
      3908 8759 3906 8758 3907 8800 3917 8804
      3918 8801 3922 8801 3926 8757 3921 8757
TIME...MOT...LOC 2027Z 263DEG 22KT 3916 8799
WIND...HAIL 60MPH 1.00IN

$$

BAK
794 
WWUS53 KILX 302053
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
353 PM CDT FRI MAR 30 2012

ILC079-302103-
/O.CAN.KILX.SV.W.0032.000000T0000Z-120330T2115Z/
JASPER IL-
353 PM CDT FRI MAR 30 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN JASPER COUNTY IS
CANCELLED...

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

LAT...LON 3918 8795 3919 8760 3914 8765 3911 8763
      3910 8761 3909 8762 3908 8759 3906 8758
      3907 8795
TIME...MOT...LOC 2053Z 262DEG 24KT 3914 8791

$$

ILC023-033-302115-
/O.CON.KILX.SV.W.0032.000000T0000Z-120330T2115Z/
CLARK IL-CRAWFORD IL-
353 PM CDT FRI MAR 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
CRAWFORD AND SOUTH CENTRAL CLARK COUNTIES UNTIL 415 PM CDT...

AT 350 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 6 MILES
WEST OF ANNAPOLIS...OR 13 MILES NORTHWEST OF ROBINSON...MOVING EAST
AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  ANNAPOLIS...EATON...HUTSONVILLE...WEST YORK...YORK AND TRIMBLE.

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 3918 8795 3919 8760 3914 8765 3911 8763
      3910 8761 3909 8762 3908 8759 3906 8758
      3907 8795
TIME...MOT...LOC 2053Z 262DEG 24KT 3914 8791
WIND...HAIL 60MPH 1.00IN

$$

BAK
268 
WWUS53 KILX 302112
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
412 PM CDT FRI MAR 30 2012

ILC023-033-302122-
/O.EXP.KILX.SV.W.0032.000000T0000Z-120330T2115Z/
CLARK IL-CRAWFORD IL-
412 PM CDT FRI MAR 30 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN CRAWFORD AND EXTREME
SOUTH CENTRAL CLARK COUNTIES WILL EXPIRE AT 415 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
HOWEVER SMALL HAIL IS STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 3918 8795 3919 8760 3914 8765 3911 8763
      3910 8761 3909 8762 3908 8759 3906 8758
      3907 8795
TIME...MOT...LOC 2112Z 262DEG 24KT 3916 8775

$$

BAK

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 30, 2:52 PM CDTSpecial Weather StatementILXClark53 min
Mar 30, 2:58 PM CDTSpecial Weather StatementILXShelby62 min
Mar 30, 3:14 PM CDTSpecial Weather StatementILXClark61 min
Mar 30, 3:24 PM CDTSevere Thunderstorm WarningILXClay, Effingham, Jasper54 min
Mar 30, 3:42 PM CDTSevere Thunderstorm WarningILXCumberland33 min
Mar 30, 4:15 PM CDTSevere Thunderstorm WarningILXClark, Cumberland36 min
Mar 30, 5:00 PM CDTSpecial Weather StatementILXCrawford60 min
Mar 30, 5:09 PM CDTSpecial Weather StatementILXClay66 min
Mar 30, 6:48 PM CDTSpecial Weather StatementILXRichland27 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2012Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.