Alert archive / Illinois / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 21, NWS Lincoln, IL

March 11, 2006Morgan County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Mar 11, 2006, 6:27 PM CST for Morgan County, Illinois. It was in force for 27 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 11, 2006, 6:27 PM CST (00:27 UTC)
Expired: Mar 11, 2006, 6:54 PM CST
In force: 27 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), 84 km from the middle of the area, began a volume at 00:30 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
Mar 11, 2:22 PM CST	Tornado Watch	SPC	8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 0.5 hours before the alert went out and 141 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: 789 J/kg
Mixed-layer CIN: -64 J/kg
Mixed-layer LCL: 708 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 201 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS53 KILX 120027
SVRILX
ILC137-120100-
/O.NEW.KILX.SV.W.0021.060312T0027Z-060312T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
627 PM CST SAT MAR 11 2006

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN MORGAN COUNTY IN WEST CENTRAL ILLINOIS.

* UNTIL 700 PM CST

* AT 623 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR JACKSONVILLE...AND WAS MOVING NORTHEAST AT
  45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ALEXANDER...

OTHER LOCATIONS IN THE WARNING INCLUDE...PRENTICE AND SINCLAIR.

IF YOU ARE CAUGHT OUTDOORS...MOVE TO A STRONG BUILDING AND STAY AWAY
FROM WINDOWS. FREQUENT LIGHTNING IS COMMON IN SEVERE THUNDERSTORMS.

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 3977 9029 3961 9025 3967 8998 3987 9003

$$

SHIMON

2 follow-up statements

000 
WWUS53 KILX 120043
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
643 PM CST SAT MAR 11 2006

ILC137-120100-
/O.CON.KILX.SV.W.0021.000000T0000Z-060312T0100Z/
MORGAN-
643 PM CST SAT MAR 11 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CST
FOR EASTERN MORGAN COUNTY...

AT 639 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL.  THIS STORM WAS LOCATED NEAR ALEXANDER...OR ABOUT 11 MILES EAST
OF JACKSONVILLE...MOVING EAST AT 40 MPH.

IF YOU ARE CAUGHT OUTDOORS IN THIS STORM...MOVE TO A STRONG BUILDING
AND STAY AWAY FROM WINDOWS. FREQUENT LIGHTNING IS COMMON IN SEVERE
THUNDERSTORMS. AVOID TALL OBJECTS AND METAL STRUCTURES.

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 3977 9015 3960 9013 3963 8997 3982 9000

$$

SHIMON

000 
WWUS53 KILX 120054
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
654 PM CST SAT MAR 11 2006

ILC137-120104-
/O.CAN.KILX.SV.W.0021.000000T0000Z-060312T0100Z/
MORGAN-
654 PM CST SAT MAR 11 2006

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MORGAN COUNTY HAS BEEN
CANCELLED...

AT 650 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE THUNDERSTORM THAT HAD PROMPTED THE WARNING HAD MOVED OUT OF THE
AREA...THUS THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM. REMAIN ALERT TO THE 
POSSIBILITY OF MORE SEVERE WEATHER.

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 3977 9015 3960 9013 3963 8997 3982 9000

$$

SHIMON

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 11, 6:01 PM CST	Severe Thunderstorm Warning	ILX	Mason, Menard, Sangamon	59 min
Mar 11, 6:29 PM CST	Tornado Warning	ILX	Logan, Menard	20 min
Mar 11, 6:49 PM CST	Severe Thunderstorm Warning	ILX	Logan	39 min
Mar 11, 6:58 PM CST	Severe Thunderstorm Warning	ILX	Sangamon	44 min
Mar 11, 7:15 PM CST	Severe Thunderstorm Warning	ILX	DeWitt, McLean	48 min
Mar 11, 8:25 PM CST	Severe Thunderstorm Warning	ILX	Christian, Shelby	65 min
Mar 11, 8:39 PM CST	Severe Thunderstorm Warning	ILX	Moultrie	23 min
Mar 11, 8:50 PM CST	Severe Thunderstorm Warning	ILX	Champaign, Douglas	40 min
Mar 11, 9:21 PM CST	Severe Thunderstorm Warning	ILX	Coles, Moultrie	36 min
Mar 12, 12:20 PM CST	Severe Thunderstorm Warning	ILX	Cass, Morgan, Scott	40 min
Mar 12, 1:48 PM CST	Severe Thunderstorm Warning	ILX	Crawford, Jasper	42 min
Mar 12, 2:52 PM CST	Severe Thunderstorm Warning	ILX	Knox	37 min
Mar 12, 3:17 PM CST	Tornado Warning	ILX	Knox, Stark	43 min
Mar 12, 3:47 PM CST	Severe Thunderstorm Warning	ILX	Marshall	43 min
Mar 12, 3:59 PM CST	Tornado Warning	ILX	Marshall	31 min
Mar 12, 4:24 PM CST	Severe Thunderstorm Warning	ILX	Peoria	33 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2006 Every severe thunderstorm warning 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.