Alert archive / Illinois / Tornado Warnings in 2005

Tornado Warning 20, NWS St. Louis, MO

July 4, 2005Clinton County, Illinois

NWS St. Louis, MO issued this tornado warning at Jul 4, 2005, 3:14 PM CDT for Clinton County, Illinois. It was in force for 53 min. 2 reports 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
Jul 4, 2005, 3:14 PM CDT (20:14 UTC)
Expired
Jul 4, 2005, 4:07 PM CDT
In force
53 min
Issued by
NWS St. Louis, MO
Area
Counties, with a storm outline in the text

County Clinton County, IL

The radar

The St Louis radar (KLSX), 103 km from the middle of the area, began a volume at 20:15 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.

What was reported inside it

TimeReportWhereRemark
Jul 4, 3:35 PM CDTTSTM WND DMGBreese, ILTREES AND POWER LINES DOWN
Jul 4, 3:40 PM CDTHAIL 1Germantown, IL

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
Jul 4, 12:00 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.2 hours before the alert went out and 188 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 2005-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 149 joules per kilogram.LCLLFCEL10008507005003002001001 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 2005-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -53 square meters per square second.193958Sfc1 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
149 J/kg
Mixed-layer CIN
-169 J/kg
Mixed-layer LCL
1395 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-53 m²/s²
0-3 km storm-relative helicity
4 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 KLSX 042015
TORLSX
ILC027-042100-
/O.NEW.KLSX.TO.W.0020.050704T2014Z-050704T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
314 PM CDT MON JUL 4 2005

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  CLINTON COUNTY IN SOUTH CENTRAL ILLINOIS

* UNTIL 400 PM CDT

* AT 310 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A TORNADO OVER NEW BADEN...MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ALBERS
  GERMANTOWN
  AVISTON
  BREESE
  ST. ROSE
  BECKEMEYER
  CARLYLE
  SHATTUC
  BOULDER

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH 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.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
PENNY SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM CDT MONDAY
EVENING FOR SOUTHWESTERN ILLINOIS. A SEVERE THUNDERSTORM WATCH ALSO
REMAINS IN EFFECT UNTIL 700 PM CDT MONDAY EVENING FOR SOUTHWEST
ILLINOIS AND SOUTHEASTERN MISSOURI.

LAT...LON 3866 8971 3843 8971 3849 8943 3850 8915
      3874 8915 3874 8959 3867 8961

$$

TES
2 follow-up statements
000 
WWUS53 KLSX 042035
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
334 PM CDT MON JUL 4 2005

ILC027-042100-
/O.CON.KLSX.TO.W.0020.000000T0000Z-050704T2100Z/
CLINTON IL-
334 PM CDT MON JUL 4 2005

...A TORNADO WARNING CONTINUES UNTIL 400 PM CDT FOR CLINTON COUNTY...

AT 330 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION OVER AVISTON...MOVING EAST
AT 25 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...JAMESTOWN... 
BECKEMEYER...CARLYLE...STOLLETOWN...POSEY...HUEY...FERRIN...KEYESPORT
 AND BOULDER.

IN ADDITION TO THE TORNADO...THIS STORM WAS IS CAPABLE OF PRODUCING 
PENNY SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

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 3866 8971 3843 8971 3849 8943 3850 8915
      3874 8915 3874 8959 3867 8961

$$

TES
000 
WWUS53 KLSX 042107
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
406 PM CDT MON JUL 4 2005

ILC027-042116-
/O.EXP.KLSX.TO.W.0020.000000T0000Z-050704T2100Z/
CLINTON IL-
406 PM CDT MON JUL 4 2005

...THE TORNADO WARNING FOR CLINTON COUNTY HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE COUNTY.  
SOME THUNDERSTORMS LINGER OVER THE EASTERN PART OF THE COUNTY...BUT 
ARE NOT EXPECTED TO REACH SEVERE LIMITS.

ADDITIONAL STRONG THUNDERSTORMS ARE POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM CDT.

LAT...LON 3866 8971 3843 8971 3849 8943 3850 8915
      3874 8915 3874 8959 3867 8961

$$

TES

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 4, 2:14 PM CDTSevere Thunderstorm WarningLSXMonroe46 min
Jul 4, 2:25 PM CDTSevere Thunderstorm WarningLSXSaint Clair65 min
Jul 4, 2:47 PM CDTTornado WarningLSXSaint Clair32 min
Jul 4, 3:14 PM CDTSevere Thunderstorm WarningLSXWashington49 min
Jul 4, 4:05 PM CDTSevere Thunderstorm WarningLSXMarion40 min

Nearby

Tornado Warnings in Illinois, 2005Every tornado warning in 2005Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.