Alert archive / Illinois / Tornado Warnings in 2005

Tornado Warning 7, NWS Lincoln, IL

April 22, 2005Macon County, Illinois

NWS Lincoln, IL issued this tornado warning at Apr 22, 2005, 3:10 PM CDT for Macon County, Illinois. It was in force for 35 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 22, 2005, 3:10 PM CDT (20:10 UTC)
Expired: Apr 22, 2005, 3:45 PM CDT
In force: 35 min
Issued by: NWS Lincoln, IL
Area: Counties, with a storm outline in the text

County Macon County, IL

The radar

The Lincoln radar (KILX), 56 km from the middle of the area, began a volume at 20:10 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.

Issued	Product	Office	Lasted
Apr 22, 1:30 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.2 hours before the alert went out and 56 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: 677 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 125 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 222011
TORILX
ILC115-222045-
/O.NEW.KILX.TO.W.0007.050422T2010Z-050422T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
310 PM CDT FRI APR 22 2005

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN MACON COUNTY IN CENTRAL ILLINOIS

* UNTIL 345 PM CDT

* AT 310 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO NEAR
  MACON...OR ABOUT 12 MILES SOUTH OF DECATUR...MOVING EAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MOUNT ZION

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 3979 8907 3966 8909 3966 8883 3977 8880

$$

BARNES

&

2 follow-up statements

000 
WWUS53 KILX 222028
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
327 PM CDT FRI APR 22 2005

ILC115-222045-
/O.CON.KILX.TO.W.0007.000000T0000Z-050422T2045Z/
MACON-
327 PM CDT FRI APR 22 2005

...A TORNADO WARNING CONTINUES UNTIL 345 PM CDT FOR SOUTHEASTERN
MACON COUNTY...

AT 315 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO.  THIS 
TORNADO WAS LOCATED 2 MILES WEST OF MOUNT ZION...OR ABOUT 8 
MILES SOUTH OF DECATUR...MOVING EAST AT 20 MPH.

PEOPLE NEAR THESE LOCATIONS ARE STILL THREATENED...
  MOUNT ZION.
  LONG CREEK.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORK BENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY...AND ALWAYS 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 3987 8891 3967 8895 3967 8883 3987 8874

$$

BARNES

&

000 
WWUS53 KILX 222045
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
345 PM CDT FRI APR 22 2005

ILC115-222055-
/O.EXP.KILX.TO.W.0007.000000T0000Z-050422T2045Z/
MACON-
345 PM CDT FRI APR 22 2005

...THE TORNADO WARNING FOR SOUTHEASTERN MACON COUNTY EXPIRES AT 345
PM CDT...

AT 341 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.

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 3987 8891 3967 8895 3967 8883 3987 8874

$$

BARNES

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 21, 10:48 PM CDT	Severe Thunderstorm Warning	ILX	Fulton	58 min
Apr 22, 2:36 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Richland	57 min
Apr 22, 3:30 PM CDT	Severe Thunderstorm Warning	ILX	Lawrence, Richland	60 min

Nearby

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