Alert archive / Kentucky / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 21, NWS Paducah, KY

April 4, 2011Hardin County, Illinois; 10 counties in Kentucky

NWS Paducah, KY issued this severe thunderstorm warning at Apr 4, 2011, 11:02 AM CDT for Hardin County, Illinois; 10 counties in Kentucky. It was in force for 28 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
Apr 4, 2011, 11:02 AM CDT (16:02 UTC)
Expired
Apr 4, 2011, 11:30 AM CDT
In force
28 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

Counties Hardin County, IL, Caldwell County, KY, Christian County, KY, Crittenden County, KY, Hopkins County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, Trigg County, KY, Union County, KY, Webster County, KY

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, 4.0 hours before the alert went out and 166 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.

690 
WUUS53 KPAH 041602
SVRPAH
ILC069-KYC033-047-055-107-139-143-157-221-225-233-041630-
/O.NEW.KPAH.SV.W.0021.110404T1602Z-110404T1630Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
1102 AM CDT MON APR 4 2011

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN HOPKINS COUNTY IN NORTHWEST KENTUCKY...
  SOUTH CENTRAL UNION COUNTY IN NORTHWEST KENTUCKY...
  SOUTHERN WEBSTER COUNTY IN NORTHWEST KENTUCKY...
  NORTHWESTERN CHRISTIAN COUNTY IN SOUTH CENTRAL KENTUCKY...
  SOUTHEASTERN HARDIN COUNTY IN SOUTHERN ILLINOIS...
  CALDWELL COUNTY IN WESTERN KENTUCKY...
  CRITTENDEN COUNTY IN WESTERN KENTUCKY...
  EASTERN LIVINGSTON COUNTY IN WESTERN KENTUCKY...
  LYON COUNTY IN WESTERN KENTUCKY...
  NORTHEASTERN MARSHALL COUNTY IN WESTERN KENTUCKY...
  NORTHERN TRIGG COUNTY IN WESTERN KENTUCKY...

* UNTIL 1130 AM CDT.

* AT 1101 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE   
HAIL...AND DAMAGING WINDS IN EXCESS OF 70 MPH ALONG PARTS OF THE 
LINE.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 9 MILES 
NORTHWEST OF MARION TO 11 MILES SOUTHWEST OF EDDYVILLE..AND MOVING 
EAST AT 65 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  SALEM...
  MARION...
  EDDYVILLE...
  CADIZ...
  FARMERSVILLE...
  CRESWELL...
  PRINCETON...
  CLAY...
  OLNEY...
  COBB...
  PROVIDENCE...
  DAWSON SPRINGS...
  DIXON...
  EARLINGTON...
  MADISONVILLE...
  CROFTON...
  MORTONS GAP...
  HOPKINSVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS LINE OF STORMS. SEEK SHELTER INDOORS. STAY TUNED
TO WEATHER RADIO OR LOCAL MEDIA FOR THE LATEST SEVERE WEATHER
INFORMATION.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 PM CDT MONDAY AFTERNOON
FOR SOUTHEASTERN ILLINOIS AND SOUTHWEST INDIANA AND WESTERN KENTUCKY
AND SOUTHEAST MISSOURI.

&&

LAT...LON 3753 8747 3685 8748 3685 8833 3753 8834
TIME...MOT...LOC 1602Z 270DEG 58KT 3744 8815 3694 8815
WIND...HAIL 70MPH 1.00IN

$$
2 follow-up statements
235 
WWUS53 KPAH 041617
SVSPAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
1117 AM CDT MON APR 4 2011

ILC069-KYC139-041626-
/O.CAN.KPAH.SV.W.0021.000000T0000Z-110404T1630Z/
HARDIN IL-LIVINGSTON KY-
1117 AM CDT MON APR 4 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN HARDIN COUNTY IN
SOUTHERN ILLINOIS...AND EASTERN LIVINGSTON COUNTY IN WESTERN KENTUCKY
IS CANCELLED...

LAT...LON 3752 8797 3753 8747 3685 8748 3685 8826
TIME...MOT...LOC 1616Z 270DEG 58KT 3744 8786 3693 8802

$$

KYC033-047-055-107-143-157-221-225-233-041630-
/O.CON.KPAH.SV.W.0021.000000T0000Z-110404T1630Z/
UNION KY-WEBSTER KY-HOPKINS KY-CRITTENDEN KY-CALDWELL KY-LYON KY-
CHRISTIAN KY-MARSHALL KY-TRIGG KY-
1117 AM CDT MON APR 4 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 AM CDT
FOR WESTERN HOPKINS...SOUTHERN WEBSTER AND SOUTH CENTRAL UNION
COUNTIES IN NORTHWEST KENTUCKY...AND NORTHWESTERN CHRISTIAN COUNTY IN
SOUTH CENTRAL KENTUCKY...AND NORTHERN TRIGG...EAST CENTRAL
MARSHALL...LYON...CALDWELL AND EASTERN CRITTENDEN COUNTIES IN WESTERN
KENTUCKY...

AT 1114 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM 4 MILES SOUTHWEST OF
WHEATCROFT TO 4 MILES NORTHWEST OF ROCKCASTLE...MOVING EAST AT 65 
MPH. PENNY SIZE HAIL AND NEARLY 50 MPH WINDS HAVE BEEN REPORTED WITH 
THESE STORMS.

LOCATIONS IN THE WARNING INCLUDE FARMERSVILLE...CLAY...PRINCETON...
FRYER...PROVIDENCE...OLNEY...DIXON...CADIZ...COBB...NEBO...DAWSON
SPRINGS...ST. CHARLES...SLAUGHTERS...MADISONVILLE...HOPKINSVILLE...
HAWKINS...EARLINGTON AND CROFTON.

LAT...LON 3752 8797 3753 8747 3685 8748 3685 8826
TIME...MOT...LOC 1616Z 270DEG 58KT 3744 8786 3693 8802
WIND...HAIL 60MPH 1.00IN

$$
900 
WWUS53 KPAH 041623
SVSPAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
1123 AM CDT MON APR 4 2011

KYC157-225-041633-
/O.CAN.KPAH.SV.W.0021.000000T0000Z-110404T1630Z/
UNION KY-MARSHALL KY-
1123 AM CDT MON APR 4 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL UNION COUNTY IN
NORTHWEST KENTUCKY...AND EAST CENTRAL MARSHALL COUNTY IN WESTERN
KENTUCKY IS CANCELLED...

LAT...LON 3685 8817 3718 8789 3752 8787 3753 8747
      3685 8748
TIME...MOT...LOC 1623Z 270DEG 58KT 3744 8772 3693 8788

$$

KYC033-047-055-107-143-221-233-041630-
/O.CON.KPAH.SV.W.0021.000000T0000Z-110404T1630Z/
WEBSTER KY-HOPKINS KY-CRITTENDEN KY-CALDWELL KY-LYON KY-CHRISTIAN KY-
TRIGG KY-
1123 AM CDT MON APR 4 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 AM CDT
FOR WESTERN HOPKINS AND CENTRAL WEBSTER COUNTIES IN NORTHWEST
KENTUCKY...AND NORTHWESTERN CHRISTIAN COUNTY IN SOUTH CENTRAL
KENTUCKY...AND NORTHERN TRIGG...SOUTHEASTERN LYON...CALDWELL AND EAST
CENTRAL CRITTENDEN COUNTIES IN WESTERN KENTUCKY...

AT 1119 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM CLAY TO ROCKCASTLE...MOVING EAST AT 65 MPH.

LOCATIONS IN THE WARNING INCLUDE DIXON...CADIZ...COBB...NEBO...DAWSON
SPRINGS...ST. CHARLES...SLAUGHTERS...MORTONS 
GAP...MADISONVILLE...HOPKINSVILLE...EARLINGTON AND CROFTON.

LAT...LON 3685 8817 3718 8789 3752 8787 3753 8747
      3685 8748
TIME...MOT...LOC 1623Z 270DEG 58KT 3744 8772 3693 8788
WIND...HAIL 60MPH 0.75IN

$$

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, 10:32 AM CDTTornado WarningPAHMassac, Pope28 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, 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

Severe Thunderstorm Warnings in Kentucky, 2011Severe Thunderstorm Warnings in Illinois, 2011Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive.