Alert archive / Illinois / Tornado Warnings in 2008

Tornado Warning 19, NWS Lincoln, IL

May 30, 2008DeWitt County, Logan County, Macon County, Illinois

NWS Lincoln, IL issued this tornado warning at May 30, 2008, 4:59 PM CDT for DeWitt County, Logan County, Macon County, Illinois. It was in force for 46 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 30, 2008, 4:59 PM CDT (21:59 UTC)
Expired
May 30, 2008, 5:45 PM CDT
In force
46 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon

Counties DeWitt County, IL, Logan County, IL, Macon County, IL

The radar

The Lincoln radar (KILX), 36 km from the middle of the area, began a volume at 22:02 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.

What was reported inside it

TimeReportWhereRemark
May 30, 5:00 PM CDTTSTM WND DMGLincoln, ILSEVERAL OBSERVATIONS AND REPORTS ACROSS LINCOLN OF LARGE TREE LIMBS DOWN. TREE LIMBS IN SOME CASES WERE UP TO 10 INCHES ESTIMATED. ALSO, STREET FLOODING HAS BEEN REPORTED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jan 7, 1:52 PM CSTTornado WatchSPC146 days
May 30, 1:56 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.0 hours before the alert went out and 29 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 2008-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 57 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2008-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 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
57 J/kg
Mixed-layer CIN
-325 J/kg
Mixed-layer LCL
1164 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
106 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 302159
TORILX
ILC039-107-115-302245-
/O.NEW.KILX.TO.W.0019.080530T2159Z-080530T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
ISSUED BY NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
459 PM CDT FRI MAY 30 2008

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN DE WITT COUNTY IN CENTRAL ILLINOIS...
  CENTRAL LOGAN COUNTY IN CENTRAL ILLINOIS...
  NORTHERN MACON COUNTY IN CENTRAL ILLINOIS...

* UNTIL 545 PM CDT

* AT 457 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR LINCOLN...
  MOVING EAST AT 49 MPH.

* THE TORNADO WILL BE NEAR...
  CHESTNUT AND BEASON BY 505 PM CDT...
  KENNEY BY 515 PM CDT...
  CLINTON BY 520 PM CDT...
  MAROA BY 525 PM CDT...
  6 MILES NORTH OF ARGENTA BY 530 PM CDT...
  WELDON BY 535 PM CDT...

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4011 8874 4010 8876 4006 8876 3997 8878
      3999 8946 4017 8946 4019 8872
TIME...MOT...LOC 2159Z 271DEG 43KT 4008 8933

$$

IZZI
2 follow-up statements
000 
WWUS53 KILX 302224
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
523 PM CDT FRI MAY 30 2008

ILC107-302233-
/O.CAN.KILX.TO.W.0019.000000T0000Z-080530T2245Z/
LOGAN-
523 PM CDT FRI MAY 30 2008

...THE TORNADO WARNING FOR CENTRAL LOGAN COUNTY IS CANCELLED...

AT 521 PM CDT...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.

LAT...LON 4011 8874 4010 8876 4006 8876 3997 8878
      3998 8904 4018 8902 4019 8872
TIME...MOT...LOC 2223Z 271DEG 43KT 4008 8893

$$

ILC039-115-302245-
/O.CON.KILX.TO.W.0019.000000T0000Z-080530T2245Z/
DE WITT-MACON-
523 PM CDT FRI MAY 30 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR SOUTHERN
DE WITT AND NORTHEASTERN MACON COUNTIES...

AT 521 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 3 MILES NORTH OF
MAROA...OR ABOUT 5 MILES SOUTH OF CLINTON...MOVING EAST AT 49 MPH.

STRONG DAMAGING WINDS ARE ALSO LIKELY TO THE IMMEDIATE SOUTH OF THE
TORNADO CIRCULATION.

PEOPLE NEAR THESE LOCATIONS ARE STILL THREATENED...
  LANE...
  ARGENTA...
  DE WITT...
  WELDON...

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4011 8874 4010 8876 4006 8876 3997 8878
      3998 8904 4018 8902 4019 8872
TIME...MOT...LOC 2223Z 271DEG 43KT 4008 8893

$$

CHURCHILL
000 
WWUS53 KILX 302241
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
541 PM CDT FRI MAY 30 2008

ILC039-115-302251-
/O.EXP.KILX.TO.W.0019.000000T0000Z-080530T2245Z/
DE WITT-MACON-
541 PM CDT FRI MAY 30 2008

...THE TORNADO WARNING FOR SOUTHERN DE WITT AND NORTHEASTERN MACON
COUNTIES EXPIRES AT 545 PM CDT...

AT 539 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE THUNDERSTORM THAT HAD PROMPTED THE WARNING HAD MOVED OUT OF THE
AREA...THUS THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 4011 8874 4010 8876 4006 8876 3997 8878
      3998 8904 4018 8902 4019 8872
TIME...MOT...LOC 2241Z 271DEG 43KT 4008 8865

$$

CHURCHILL

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 2:52 PM CDTAreal Flood AdvisoryILXMcLean, Tazewell, Woodford4 hr
May 30, 3:03 PM CDTTornado WarningILXMcLean27 min
May 30, 4:11 PM CDTSevere Thunderstorm WarningILXVermilion49 min
May 30, 4:14 PM CDTTornado WarningILXCass, Mason, Menard31 min
May 30, 4:25 PM CDTTornado WarningILXMorgan, Scott50 min
May 30, 4:36 PM CDTTornado WarningILXLogan24 min
May 30, 4:36 PM CDTTornado WarningILXVermilion12 min
May 30, 5:08 PM CDTSevere Thunderstorm WarningILXCass38 min
May 30, 5:14 PM CDTTornado WarningILXMorgan, Scott46 min
May 30, 5:31 PM CDTSevere Thunderstorm WarningILXChampaign, McLean, Piatt44 min
May 30, 5:41 PM CDTTornado WarningILXSangamon49 min
May 30, 5:56 PM CDTFlash Flood WarningILXMcLean, Tazewell, Woodford3 hr
May 30, 6:05 PM CDTTornado WarningILXChampaign40 min
May 30, 6:11 PM CDTTornado WarningILXMorgan, Scott49 min
May 30, 6:24 PM CDTTornado WarningILXVermilion36 min
May 30, 6:29 PM CDTSevere Thunderstorm WarningILXCass, Fulton, Mason, Morgan, Schuyler46 min
May 30, 6:32 PM CDTTornado WarningILXChristian, Macon, Sangamon43 min
May 30, 6:34 PM CDTSevere Thunderstorm WarningILXMcLean16 min
May 30, 6:44 PM CDTTornado WarningILXChampaign, Douglas, Edgar, Vermilion31 min
May 30, 6:58 PM CDTTornado WarningILXMorgan, Sangamon47 min
May 30, 6:59 PM CDTTornado WarningILXVermilion35 min

Nearby

Tornado Warnings in Illinois, 2008Every tornado warning in 2008Tornadoes in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.