Alert archive / Illinois / Tornado Warnings in 2008

Tornado Warning 15, NWS Lincoln, IL

May 30, 2008Cass County, Mason County, Menard County, Illinois

NWS Lincoln, IL issued this tornado warning at May 30, 2008, 4:14 PM CDT for Cass County, Mason County, Menard County, Illinois. It was in force for 31 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
May 30, 2008, 4:14 PM CDT (21:14 UTC)
Expired
May 30, 2008, 4:45 PM CDT
In force
31 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon

Counties Cass County, IL, Mason County, IL, Menard County, IL

The radar

The Lincoln radar (KILX), 33 km from the middle of the area, began a volume at 21:15 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
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, 9.2 hours before the alert went out and 95 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 302114
TORILX
ILC017-125-129-302145-
/O.NEW.KILX.TO.W.0015.080530T2114Z-080530T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
414 PM CDT FRI MAY 30 2008

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN CASS COUNTY IN WEST CENTRAL ILLINOIS...
  NORTHERN MENARD COUNTY IN CENTRAL ILLINOIS...
  SOUTHEASTERN MASON COUNTY IN CENTRAL ILLINOIS...

* UNTIL 445 PM CDT.

* AT 414 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 16 MILES WEST OF
  GREENVIEW...OR ABOUT 12 MILES NORTHEAST OF VIRGINIA...MOVING EAST
  AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  OAKFORD...
  ATTERBERRY...
  GREENVIEW...
  MASON CITY...

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO..AS YOU MAY END UP
DRIVING INTO THE PATH OF THE STORM. TAKE SHELTER IN A STRONG
BUILDING. IF NONE IS AVAILABLE...SEEK SHELTER IN A DITCH OR LOW SPOT
AND COVER YOUR HEAD. DO NOT TAKE SHELTER UNDER OVERPASSES.

REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL EMERGENCY
MANAGER...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE
NATIONAL WEATHER SERVICE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING
FOR SOUTHERN ILLINOIS.

LAT...LON 4001 8959 4003 9006 4011 9008 4027 8961
      4015 8960 4010 8960 4009 8959
TIME...MOT...LOC 2114Z 259DEG 43KT 4008 8998

$$

MILLER
2 follow-up statements
000 
WWUS53 KILX 302128
SVSILX

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

ILC017-302137-
/O.CAN.KILX.TO.W.0015.000000T0000Z-080530T2145Z/
CASS-
427 PM CDT FRI MAY 30 2008

...THE TORNADO WARNING FOR NORTHEASTERN CASS COUNTY IS CANCELLED...

AT 425 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 4001 8959 4002 8978 4002 8989 4017 8990
      4027 8961 4010 8960 4009 8959
TIME...MOT...LOC 2127Z 262DEG 42KT 4008 8979

$$

ILC125-129-302145-
/O.CON.KILX.TO.W.0015.000000T0000Z-080530T2145Z/
MASON-MENARD-
427 PM CDT FRI MAY 30 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR EASTERN
MASON AND NORTHERN MENARD COUNTIES...

AT 425 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A TORNADO.  THIS TORNADO WAS LOCATED 4 MILES WEST OF
GREENVIEW...OR ABOUT 11 MILES SOUTHWEST OF MASON CITY...MOVING EAST
AT 48 MPH.

PEOPLE NEAR THESE LOCATIONS ARE STILL THREATENED...
  GREENVIEW...
  SWEETWATER...
  MASON CITY...

DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO SAFE
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT AND COVER
YOUR HEAD.

LAT...LON 4001 8959 4002 8978 4002 8989 4017 8990
      4027 8961 4010 8960 4009 8959
TIME...MOT...LOC 2127Z 262DEG 42KT 4008 8979

$$

MILLER
000 
WWUS53 KILX 302145
SVSILX

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

ILC125-129-302155-
/O.EXP.KILX.TO.W.0015.000000T0000Z-080530T2145Z/
MASON-MENARD-
445 PM CDT FRI MAY 30 2008

...THE TORNADO WARNING FOR EASTERN MASON AND NORTHERN MENARD COUNTIES
EXPIRES AT 445 PM CDT...

AT 444 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 ALLOWED TO EXPIRE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM CDT.

LAT...LON 4001 8959 4002 8978 4002 8989 4017 8990
      4027 8961 4010 8960 4009 8959
TIME...MOT...LOC 2145Z 262DEG 42KT 4011 8952

$$

MILLER

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, 4:25 PM CDTTornado WarningILXMorgan, Scott50 min
May 30, 4:36 PM CDTTornado WarningILXLogan24 min
May 30, 4:36 PM CDTTornado WarningILXVermilion12 min
May 30, 4:59 PM CDTTornado WarningILXDeWitt, Logan, Macon46 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.