Alert archive / Illinois / Tornado Warnings in 2006

Tornado Warning 4, NWS Lincoln, IL

September 22, 2006Morgan County, Scott County, Illinois

NWS Lincoln, IL issued this tornado warning at Sep 22, 2006, 5:34 PM CDT for Morgan County, Scott County, Illinois. It was in force for 26 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
Sep 22, 2006, 5:34 PM CDT (22:34 UTC)
Expired
Sep 22, 2006, 6:00 PM CDT
In force
26 min
Issued by
NWS Lincoln, IL
Area
Counties, with a storm outline in the text

Counties Morgan County, IL, Scott County, IL

The radar

The Lincoln radar (KILX), 101 km from the middle of the area, began a volume at 22:36 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
Sep 22, 1:16 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.6 hours before the alert went out and 159 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 2006-09-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2006-09-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 571 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
831 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
571 m²/s²
0-3 km storm-relative helicity
612 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 222234
TORILX
ILC137-171-222300-
/O.NEW.KILX.TO.W.0004.060922T2234Z-060922T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
534 PM CDT FRI SEP 22 2006

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

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

* UNTIL 600 PM CDT.

* AT 534 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO 5 MILES
  SOUTHWEST OF NAPLES...OR ABOUT 10 MILES NORTHEAST OF PITTSFIELD...
  MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  EXETER...
  CHAPIN...
  JACKSONVILLE...
  WOODSON...
  ALEXANDER...
  FRANKLIN...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

DO NOT USE HIGHWAY OVERPASSES FOR SHELTER. OVERPASSES DO NOT PROVIDE
PROTECTION FROM TORNADIC WINDS...AND VEHICLES STOPPED UNDER BRIDGES
BLOCK TRAFFIC. IF YOU CANNOT DRIVE AWAY FROM THE TORNADO...GET OUT OF
YOUR VEHICLE AND LIE FLAT IN A DITCH AS A LAST RESORT.

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 3978 9063 3964 9067 3961 8998 3979 9000

$$

GEELHART/BARKER
1 follow-up statement
000 
WWUS53 KILX 222305
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
605 PM CDT FRI SEP 22 2006

ILC137-171-222315-
/O.EXP.KILX.TO.W.0004.000000T0000Z-060922T2300Z/
MORGAN-SCOTT-
605 PM CDT FRI SEP 22 2006

...THE TORNADO WARNING FOR MORGAN AND NORTHERN SCOTT COUNTIES 
EXPIRED AT 6 PM...

AT 6 PM...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE
THUNDERSTORM THAT HAD PROMPTED THE WARNING HAD WEAKENED...
THUS THE TORNADO WARNING WAS ALLOWED TO EXPIRE AT 6 PM.

A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR NORTHEAST 
MORGAN COUNTY UNTIL 615 PM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 9 PM. REMEMBER...SEVERE 
THUNDERSTORMS MAY PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE 
WARNING.


LAT...LON 3978 9063 3964 9067 3961 8998 3979 9000
$$

GEELHART/BARKER

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 22, 4:14 PM CDTSevere Thunderstorm WarningILXCass, Fulton, Mason, Schuyler46 min
Sep 22, 4:43 PM CDTSevere Thunderstorm WarningILXFulton, Mason, Tazewell47 min
Sep 22, 5:00 PM CDTSevere Thunderstorm WarningILXWoodford35 min
Sep 22, 5:30 PM CDTSevere Thunderstorm WarningILXCass, Menard, Morgan, Sangamon45 min
Sep 22, 5:33 PM CDTSevere Thunderstorm WarningILXCrawford, Lawrence, Richland42 min
Sep 22, 6:17 PM CDTSevere Thunderstorm WarningILXLogan43 min
Sep 22, 6:35 PM CDTSevere Thunderstorm WarningILXSangamon40 min
Sep 22, 6:38 PM CDTSevere Thunderstorm WarningILXMcLean52 min
Sep 22, 6:55 PM CDTSevere Thunderstorm WarningILXDeWitt50 min

Nearby

Tornado Warnings in Illinois, 2006Every tornado warning in 2006Tornadoes in 2006

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.