Alert archive / Illinois / Tornado Warnings in 2005

Tornado Warning 6, NWS Lincoln, IL

April 12, 2005Morgan County, Illinois

NWS Lincoln, IL issued this tornado warning at Apr 12, 2005, 2:23 PM CDT for Morgan County, Illinois. It was in force for 57 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 12, 2005, 2:23 PM CDT (19:23 UTC)
Expired
Apr 12, 2005, 3:20 PM CDT
In force
57 min
Issued by
NWS Lincoln, IL
Area
Counties, with a storm outline in the text

County Morgan County, IL

The radar

The Lincoln radar (KILX), 86 km from the middle of the area, began a volume at 19:23 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
Apr 12, 11:05 AM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 7.4 hours before the alert went out and 142 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 2005-04-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 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 2005-04-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -102 square meters per square second.19395878Sfc1 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
15 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
589 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
-102 m²/s²
0-3 km storm-relative helicity
-222 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.

000 
WFUS53 KILX 121923
TORILX
ILC137-122015-
/O.NEW.KILX.TO.W.0006.050412T1923Z-050412T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
223 PM CDT TUE APR 12 2005

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  MORGAN COUNTY IN WEST CENTRAL ILLINOIS

* UNTIL 315 PM CDT

* AT 223 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM...CAPABLE OF PRODUCING TORNADOES...5 MILES EAST
  OF JACKSONVILLE...MOVING NORTHWEST AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  JACKSONVILLE
  SINCLAIR
  PRENTICE
  LITERBERRY

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. THE STORM MAY
NOT BE PRODUCING A TORNADO AT THE MOMENT...BUT IS EXPECTED TO DURING
THE WARNING PERIOD. FOR YOUR SAFETY...GO INDOORS NOW TO AN INTERIOR
ROOM OR A BASEMENT...AND STAY AWAY FROM WINDOWS.

REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL EMERGENCY
MANAGER...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 3959 9020 3956 8996 3986 9005 3986 9037

$$

KH
3 follow-up statements
000 
WWUS53 KILX 121936
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
235 PM CDT TUE APR 12 2005

ILC137-122015-
/O.CON.KILX.TO.W.0006.000000T0000Z-050412T2015Z/
MORGAN-
235 PM CDT TUE APR 12 2005

...A TORNADO WARNING CONTINUES UNTIL 315 PM CDT FOR MORGAN COUNTY...

AT 232 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 2 MILES NORTHEAST OF
JACKSONVILLE...MOVING NORTHWEST AT 10 MPH.

PEOPLE NEAR THESE LOCATIONS ARE STILL THREATENED...
  JACKSONVILLE.
  LITERBERRY.

OTHER LOCATIONS AFFECTED INCLUDE...PRENTICE AND SINCLAIR.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY
BE ON THE GROUND...OR ONE IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE
IN THE PATH OF THIS STORM...MOVE TO THE BASEMENT OR AN INTERIOR ROOM
OR HALL ON THE LOWEST LEVEL OF THE BUILDING.

REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL EMERGENCY
MANAGER...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 3959 9020 3956 8996 3986 9005 3986 9037

$$

KH
000 
WWUS53 KILX 121956
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
255 PM CDT TUE APR 12 2005

ILC137-122015-
/O.CON.KILX.TO.W.0006.000000T0000Z-050412T2015Z/
MORGAN-
255 PM CDT TUE APR 12 2005

...A TORNADO WARNING CONTINUES UNTIL 315 PM CDT FOR MORGAN COUNTY...

AT 253 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 5 MILES NORTH OF 
JACKSONVILLE...MOVING NORTHWEST AT 10 MPH.

PEOPLE NEAR THESE LOCATIONS ARE STILL THREATENED...
  LITERBERRY.
  SINCLAIR.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY
BE ON THE GROUND...OR ONE IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE
IN THE PATH OF THIS STORM...MOVE TO THE BASEMENT OR AN INTERIOR ROOM
OR HALL ON THE LOWEST LEVEL OF THE BUILDING.

REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL EMERGENCY
MANAGER...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 3959 9020 3956 8996 3986 9005 3986 9037

$$

KH
000 
WWUS53 KILX 122020
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
320 PM CDT TUE APR 12 2005

ILC137-122030-
/O.EXP.KILX.TO.W.0006.000000T0000Z-050412T2015Z/
MORGAN-
320 PM CDT TUE APR 12 2005

...THE TORNADO WARNING FOR EASTERN MORGAN COUNTY EXPIRES AT 315 PM
CDT...

AT 315 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE THUNDERSTORM THAT HAD PROMPTED THE WARNING HAD WEAKENED...THUS
THE WARNING HAS BEEN ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 7 PM. REMAIN 
ALERT TO THE POSSIBILITY OF MORE SEVERE WEATHER LATE THIS AFTERNOON.

REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL EMERGENCY
MANAGER...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 3959 9020 3956 8996 3986 9005 3986 9037

$$

KH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 1:19 PM CDTSpecial Weather StatementILXMorgan, Sangamon116 min
Apr 12, 1:34 PM CDTSevere Thunderstorm WarningILXMorgan56 min
Apr 12, 1:37 PM CDTSevere Thunderstorm WarningILXShelby53 min
Apr 12, 1:54 PM CDTSpecial Weather StatementILXChristian, Clay, Effingham, Logan, Macon, Mason and 6 more3 hr
Apr 12, 2:16 PM CDTTornado WarningILXLogan, Macon48 min
Apr 12, 2:17 PM CDTSevere Thunderstorm WarningILXMenard64 min

Nearby

Tornado Warnings in Illinois, 2005Every tornado warning in 2005Tornadoes in 2005

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.