Alert archive / Illinois / Tornado Warnings in 2011

Tornado Warning 24, NWS Paducah, KY

April 4, 2011Massac County, Pope County, Illinois; McCracken County, Kentucky

NWS Paducah, KY issued this tornado warning at Apr 4, 2011, 10:32 AM CDT for Massac County, Pope County, Illinois; McCracken County, Kentucky. It was in force for 28 min. 4 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
Apr 4, 2011, 10:32 AM CDT (15:32 UTC)
Expired
Apr 4, 2011, 11:00 AM CDT
In force
28 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon

Counties Massac County, IL, Pope County, IL, McCracken County, KY

The radar

The Paducah radar (KPAH), 17 km from the middle of the area, began a volume at 15:33 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
Apr 4, 10:32 AM CDTTSTM WND GST 63Paducah, KY63 MPH GUST AT KENTUCKY OAKS MALL
Apr 4, 10:33 AM CDTTSTM WND GST 61Paducah, KY
Apr 4, 10:34 AM CDTTSTM WND DMGWoodville, KYWESTERN MCCRACKEN COUNTY...PORCH ROOF BLOWN OFF...SPEED LIMIT SIGNS DOWN...TREE LIMBS DOWN...CARPORT WRAPPED AROUND A TREE...TELEPHONE LINES DOWN...TREE DOWN OVER ROAD. MOSTLY NORTH AND WEST OF NWS OFFICE AT BARKLEY ARPT.
Apr 4, 10:35 AM CDTTSTM WND DMG3 N Metropolis, ILLATE REPORT. CHURCH STEEPLE BLOWN OFF. STEEPLE WAS ABOUT 3 TO 4 FEET AT BASE AND 12 FT IN HEIGHT.

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
Apr 4, 7:22 AM CDTTornado WatchSPC7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 3.5 hours before the alert went out and 216 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, Nashville Metro, TN at 12:00Z on 2011-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 68 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, Nashville Metro, TN at 12:00Z on 2011-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 370 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
68 J/kg
Mixed-layer CIN
-640 J/kg
Mixed-layer LCL
855 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
370 m²/s²
0-3 km storm-relative helicity
507 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.

945 
WFUS53 KPAH 041532
TORPAH
ILC127-151-KYC145-041600-
/O.NEW.KPAH.TO.W.0024.110404T1532Z-110404T1600Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
1032 AM CDT MON APR 4 2011

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN MASSAC COUNTY IN SOUTHERN ILLINOIS...
  SOUTH CENTRAL POPE COUNTY IN SOUTHERN ILLINOIS...
  NORTHERN MCCRACKEN COUNTY IN WESTERN KENTUCKY...

* UNTIL 1100 AM CDT.

* AT 1028 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 4 MILES WEST OF
  WEST PADUCAH...MOVING NORTHEAST AT 65 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  WEST PADUCAH...
  METROPOLIS...
  PADUCAH...
  BROOKPORT...

THIS INCLUDES INTERSTATE 24 BETWEEN EXITS 3 AND 7.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

NOW IS THE TIME TO IMPLEMENT YOUR TORNADO PLAN OF ACTION. SEEK
SHELTER INDOORS IN A BASEMENT...OR IN AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A HOME OR BUILDING.

&&

LAT...LON 3732 8853 3711 8845 3701 8881 3713 8889
TIME...MOT...LOC 1532Z 237DEG 55KT 3710 8876

$$
1 follow-up statement
966 
WWUS53 KPAH 041542
SVSPAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
1042 AM CDT MON APR 4 2011

ILC127-151-KYC145-041600-
/O.CON.KPAH.TO.W.0024.000000T0000Z-110404T1600Z/
MASSAC IL-POPE IL-MCCRACKEN KY-
1042 AM CDT MON APR 4 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 AM CDT FOR SOUTH
CENTRAL POPE AND SOUTHEASTERN MASSAC COUNTIES IN SOUTHERN ILLINOIS...
AND EAST CENTRAL MCCRACKEN COUNTY IN WESTERN KENTUCKY...

AT 1038 AM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS STORM WAS
LOCATED NEAR BROOKPORT...MOVING NORTHEAST AT 65 MPH.

THE TORNADO WILL REMAIN OVER MAINLY RURAL AREAS OF THE INDICATED
COUNTIES..

LAT...LON 3721 8873 3732 8853 3711 8845 3707 8861
TIME...MOT...LOC 1542Z 247DEG 56KT 3714 8855

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 4, 8:40 AM CDTSevere Thunderstorm WarningPAHAlexander, Union35 min
Apr 4, 10:38 AM CDTSevere Thunderstorm WarningPAHHardin, Johnson, Massac, Pope37 min
Apr 4, 10:47 AM CDTTornado WarningPAHMassac, Pope28 min
Apr 4, 10:56 AM CDTAreal Flood AdvisoryPAHGallatin, Hardin114 min
Apr 4, 11:02 AM CDTSevere Thunderstorm WarningPAHHardin28 min
Apr 4, 9:43 AM CDTSevere Thunderstorm WarningPAHFulton47 min
Apr 4, 10:21 AM CDTSevere Thunderstorm WarningPAHDaviess, Henderson, McLean39 min
Apr 4, 10:22 AM CDTTornado WarningPAHBallard, McCracken23 min
Apr 4, 11:06 AM CDTAreal Flood AdvisoryPAHDaviess, McLean4 hr
Apr 4, 11:10 AM CDTFlash Flood WarningPAHCalloway71 min
Apr 4, 11:16 AM CDTAreal Flood AdvisoryPAHChristian, McLean, Muhlenberg, Todd, Trigg4 hr
Apr 4, 11:20 AM CDTSevere Thunderstorm WarningPAHCalloway, Christian, Marshall, Trigg25 min
Apr 4, 11:35 AM CDTTornado WarningPAHChristian, Hopkins, Muhlenberg25 min
Apr 4, 11:37 AM CDTSevere Thunderstorm WarningPAHCaldwell, Christian, Lyon, Todd, Trigg37 min
Apr 4, 11:41 AM CDTTornado WarningPAHChristian, Trigg34 min
Apr 4, 11:47 AM CDTTornado WarningPAHChristian, Hopkins, Muhlenberg28 min
Apr 4, 11:50 AM CDTSevere Thunderstorm WarningPAHChristian, Muhlenberg, Todd55 min
Apr 4, 12:02 PM CDTTornado WarningPAHChristian, Todd43 min
Apr 4, 12:09 PM CDTTornado WarningPAHChristian, Muhlenberg, Todd28 min
Apr 4, 1:09 PM CDTFlash Flood WarningPAHChristian, Todd3 hr

Nearby

Tornado Warnings in Illinois, 2011Tornado Warnings in Kentucky, 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.