Alert archive / Illinois / Tornado Warnings in 2011

Tornado Warning 155, NWS Paducah, KY

May 25, 2011Franklin County, Jefferson County, Williamson County, Illinois

NWS Paducah, KY issued this tornado warning at May 25, 2011, 6:35 PM CDT for Franklin County, Jefferson County, Williamson County, Illinois. It was in force for 40 min. 8 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
May 25, 2011, 6:35 PM CDT (23:35 UTC)
Expired
May 25, 2011, 7:15 PM CDT
In force
40 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon

Counties Franklin County, IL, Jefferson County, IL, Williamson County, IL

The radar

The Evansville,IN radar (KVWX), 111 km from the middle of the area, began a volume at 23:36 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 25, 6:38 PM CDTTSTM WND GST 80Mulkeytown, IL
May 25, 6:45 PM CDTTSTM WND DMGHerrin, ILUPDATE...HALF DOZEN TREES DOWN WITH WIDESPREAD POWER OUTAGES REPORTED THROUGHOUT THE COMMUNITY DUE TO BLOWN TRANSFORMERS.
May 25, 6:47 PM CDTTSTM WND GST 601 Ne Mount Vernon, ILWIND GUSTS ESTIMATED 50 TO 60 MPH. REPORT OF TREES AND POWER LINES DOWN NORTHWEST OF TOWN.
May 25, 6:53 PM CDTTSTM WND GST 603 W Herrin, IL
May 25, 7:00 PM CDTFUNNEL CLOUDBoyd, ILLATE REPORT. FUNNEL CLOUD CROSSED INTERSTATE 57 AND WINDS DESTORYED A LOCAL SAW MILL.
May 25, 7:00 PM CDTFUNNEL CLOUDMarion, ILREPORTED AT INTERSECTION OF INTERSTATE 57 AND ROUTE 13.
May 25, 7:01 PM CDTTSTM WND GST 803 W West Frankfort, ILSTATE TROOPER REPORTS WIND GUSTS 70 TO 80 MPH.
May 25, 7:09 PM CDTTSTM WND DMGHerrin, ILTREES DOWN AND ELECTICAL TRANSFORMERS BLOWING UP.

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
May 25, 11:09 AM CDTTornado Watch PDSSPC10 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.6 hours before the alert went out and 229 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 2011-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1832 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 2011-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 253 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
1832 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
561 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
253 m²/s²
0-3 km storm-relative helicity
222 m²/s²
Significant tornado parameter
1.6
Supercell composite
10.1

Open this sounding in Storm Lab

The text

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

556 
WFUS53 KPAH 252335
TORPAH
ILC055-081-199-260015-
/O.NEW.KPAH.TO.W.0155.110525T2335Z-110526T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
635 PM CDT WED MAY 25 2011

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* TORNADO WARNING FOR...
  FRANKLIN COUNTY IN SOUTH CENTRAL ILLINOIS...
  JEFFERSON COUNTY IN SOUTH CENTRAL ILLINOIS...
  WILLIAMSON COUNTY IN SOUTHERN ILLINOIS...

* UNTIL 715 PM CDT.

* AT 631 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A 
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING ISOLATED TORNADOES 
ALONG A LINE EXTENDING FROM 8 MILES NORTHWEST OF WOODLAWN TO 20 
MILES SOUTHWEST OF CAMBRIA...MOVING EAST AT 50 MPH.

A STRONG CIRCULATION IS LOCATED NORTH OF WOODLAWN IN JEFFERSON 
COUNTY. ANOTHER WAS NEAR DUQUOIN...WHERE 80 MPH WINDS WERE MEASURED. 
THIS WAS MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  WOODLAWN...
  SESSER...
  ROYALTON...
  CHRISTOPHER...
  REND LAKE AREA...
  ZEIGLER...
  MOUNT VERNON...
  HERRIN...
  CARTERVILLE...
  WEST FRANKFORT...
  BENTON...
  MARION...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3848 8870 3760 8872 3760 8915 3804 8915
      3809 8912 3813 8915 3848 8914
TIME...MOT...LOC 2333Z 270DEG 45KT 3841 8911 3762 8939

$$
1 follow-up statement
693 
WWUS53 KPAH 252352
SVSPAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
652 PM CDT WED MAY 25 2011

ILC055-081-199-260015-
/O.CON.KPAH.TO.W.0155.000000T0000Z-110526T0015Z/
WILLIAMSON IL-FRANKLIN IL-JEFFERSON IL-
652 PM CDT WED MAY 25 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR JEFFERSON
AND FRANKLIN COUNTIES IN SOUTH CENTRAL ILLINOIS...AND WILLIAMSON
COUNTY IN SOUTHERN ILLINOIS...

AT 646 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD 
NEAR HURST IN WILLIAMSON COUNTY. THIS WAS WITHIN A LINE OF STORMS 
THAT WERE LOCATED ALONG A LINE EXTENDING FROM DIX TO 11 MILES 
SOUTHWEST OF CARTERVILLE...MOVING EAST AT 50 MPH.

THERE HAS BEEN A REPORT OF A TORNADO CROSSING I-57 NEAR DIX AT 644 
PM.

LOCATIONS IN THE WARNING INCLUDE MOUNT VERNON...BENTON AND MARION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS LINE OF STORMS IS CAPABLE OF 
PRODUCING QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN 
EXCESS OF 80 MPH.

&&

LAT...LON 3848 8870 3760 8872 3760 8915 3804 8915
      3809 8912 3813 8915 3848 8914
TIME...MOT...LOC 2349Z 270DEG 45KT 3840 8890 3762 8914

$$

The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 25, 4:11 AM CDTLake Wind AdvisoryPAHAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more16 hr
May 25, 11:51 AM CDTSevere Thunderstorm WarningPAHEdwards, Wabash, White39 min
May 25, 5:05 PM CDTTornado WarningPAHPerry25 min
May 25, 5:27 PM CDTTornado WarningPAHJefferson48 min
May 25, 5:54 PM CDTTornado WarningPAHJohnson, Pope36 min
May 25, 6:04 PM CDTTornado WarningPAHJackson, Perry41 min
May 25, 6:05 PM CDTTornado WarningPAHGallatin, Pope, Saline, Williamson25 min
May 25, 6:08 PM CDTTornado WarningPAHAlexander37 min
May 25, 6:18 PM CDTTornado WarningPAHUnion27 min
May 25, 6:25 PM CDTTornado WarningPAHGallatin, Hamilton, Saline, White50 min
May 25, 6:41 PM CDTTornado WarningPAHJackson, Perry22 min
May 25, 6:43 PM CDTTornado WarningPAHAlexander, Johnson, Massac, Pulaski, Union32 min
May 25, 6:57 PM CDTTornado WarningPAHWhite33 min
May 25, 6:59 PM CDTTornado WarningPAHHamilton, Saline, Wayne46 min

Nearby

Tornado Warnings in Illinois, 2011Every tornado warning in 2011Tornadoes in 2011

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.