Alert archive / Illinois / Tornado Warnings in 2010

Tornado Warning 39, NWS Lincoln, IL

December 31, 2010McLean County, Woodford County, Illinois

NWS Lincoln, IL issued this tornado warning at Dec 31, 2010, 1:10 PM CST for McLean County, Woodford County, Illinois. It was in force for 50 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
Dec 31, 2010, 1:10 PM CST (19:10 UTC)
Expired
Dec 31, 2010, 2:00 PM CST
In force
50 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon

Counties McLean County, IL, Woodford County, IL

The radar

The Lincoln radar (KILX), 73 km from the middle of the area, began a volume at 19:12 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
Dec 31, 10:34 AM CSTTornado WatchSPC3 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 7.2 hours before the alert went out and 69 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 2010-12-31Temperature 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 2010-12-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 450 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
506 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
450 m²/s²
0-3 km storm-relative helicity
427 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.

457 
WFUS53 KILX 311910
TORILX
ILC113-203-312000-
/O.NEW.KILX.TO.W.0039.101231T1910Z-101231T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
110 PM CST FRI DEC 31 2010

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN MCLEAN COUNTY IN CENTRAL ILLINOIS...
  SOUTHEASTERN WOODFORD COUNTY IN CENTRAL ILLINOIS...

* UNTIL 200 PM CST.

* AT 108 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR CARLOCK...OR 9 MILES NORTHWEST OF
  BLOOMINGTON...AND MOVING NORTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HUDSON...EL PASO...LEXINGTON...GRIDLEY...CHENOA...EVERGREEN LAKE...
  KAPPA...LAKE BLOOMINGTON AND WESTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4082 8892 4076 8892 4076 8859 4075 8859
      4045 8913 4059 8927 4083 8894
TIME...MOT...LOC 1910Z 229DEG 26KT 4056 8911

$$

HJS
2 follow-up statements
067 
WWUS53 KILX 311938
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
138 PM CST FRI DEC 31 2010

ILC203-311948-
/O.CAN.KILX.TO.W.0039.000000T0000Z-101231T2000Z/
WOODFORD IL-
138 PM CST FRI DEC 31 2010

...THE TORNADO WARNING FOR SOUTHEASTERN WOODFORD COUNTY IS
CANCELLED...

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

LAT...LON 4076 8859 4075 8859 4046 8910 4061 8913
      4061 8911 4063 8909 4063 8905 4066 8904
      4067 8899 4071 8899 4076 8892
TIME...MOT...LOC 1938Z 230DEG 52KT 4061 8896

$$

ILC113-312000-
/O.CON.KILX.TO.W.0039.000000T0000Z-101231T2000Z/
MCLEAN IL-
138 PM CST FRI DEC 31 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL MCLEAN
COUNTY UNTIL 200 PM CST...

AT 135 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR HUDSON...OR 7 MILES NORTH OF BLOOMINGTON...
MOVING NORTHEAST AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
  LEXINGTON...GRIDLEY...CHENOA...LAKE BLOOMINGTON AND WESTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4076 8859 4075 8859 4046 8910 4061 8913
      4061 8911 4063 8909 4063 8905 4066 8904
      4067 8899 4071 8899 4076 8892
TIME...MOT...LOC 1938Z 230DEG 52KT 4061 8896

$$

HJS
135 
WWUS53 KILX 311952
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
152 PM CST FRI DEC 31 2010

ILC113-312002-
/O.EXP.KILX.TO.W.0039.000000T0000Z-101231T2000Z/
MCLEAN IL-
152 PM CST FRI DEC 31 2010

...THE TORNADO WARNING FOR NORTH CENTRAL MCLEAN COUNTY WILL EXPIRE AT
200 PM CST...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 7 PM.

LAT...LON 4076 8859 4075 8859 4046 8910 4061 8913
      4061 8911 4063 8909 4063 8905 4066 8904
      4067 8899 4071 8899 4076 8892
TIME...MOT...LOC 1952Z 230DEG 52KT 4059 8899

$$

HJS

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 31, 6:10 AM CSTAreal Flood AdvisoryILXCass, Fulton, Mason, Menard, Morgan, Schuyler and 2 more6 hr
Dec 31, 10:47 AM CSTTornado WarningILXCass, Morgan, Scott43 min
Dec 31, 11:40 AM CSTTornado WarningILXPeoria, Tazewell, Woodford50 min
Dec 31, 12:00 PM CSTTornado WarningILXMorgan30 min
Dec 31, 12:01 PM CSTAreal Flood AdvisoryILXCass, Mason, Menard, Morgan, Scott5 hr
Dec 31, 12:13 PM CSTTornado WarningILXLogan, Mason, Menard, Tazewell32 min
Dec 31, 12:37 PM CSTTornado WarningILXLogan, Mason, Menard38 min
Dec 31, 1:21 PM CSTSevere Thunderstorm WarningILXMcLean24 min
Dec 31, 1:48 PM CSTSevere Thunderstorm WarningILXClay, Cumberland, Effingham, Jasper, Richland, Shelby57 min
Dec 31, 3:51 PM CSTTornado WarningILXClark, Cumberland, Jasper39 min

Nearby

Tornado Warnings in Illinois, 2010Every tornado warning in 2010Tornadoes in 2010

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.