Alert archive / Kentucky / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 77, NWS Paducah, KY

April 19, 20119 counties in Kentucky; Gallatin County, Hardin County, Illinois

NWS Paducah, KY issued this severe thunderstorm warning at Apr 19, 2011, 9:20 PM CDT for 9 counties in Kentucky; Gallatin County, Hardin County, Illinois. It was in force for 55 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: Apr 19, 2011, 9:20 PM CDT (02:20 UTC)
Expired: Apr 19, 2011, 10:15 PM CDT
In force: 55 min
Issued by: NWS Paducah, KY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 90.0 mph

Counties Gallatin County, IL, Hardin County, IL, Caldwell County, KY, Crittenden County, KY, Daviess County, KY, Henderson County, KY, Hopkins County, KY, McLean County, KY, Muhlenberg County, KY, Union County, KY, Webster County, KY

The radar

The Evansville,IN radar (KVWX), 58 km from the middle of the area, began a volume at 02:22 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

Time	Report	Where	Remark
Apr 19, 10:02 PM CDT	TSTM WND GST 68	Spottsville, KY	REPORTED ALONG HIGHWAY 41.
Apr 19, 10:05 PM CDT	TSTM WND GST 75	Owensboro, KY	ON THE EAST SIDE OF THE CITY

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.

Issued	Product	Office	Lasted
Apr 19, 6:46 PM CDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 2.3 hours before the alert went out and 200 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1997 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 1626 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 92 m²/s²
0-3 km storm-relative helicity: 239 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 7.7

Open this sounding in Storm Lab

The text

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

355 
WUUS53 KPAH 200220
SVRPAH
ILC059-069-KYC033-055-059-101-107-149-177-225-233-200315-
/O.NEW.KPAH.SV.W.0077.110420T0220Z-110420T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
920 PM CDT TUE APR 19 2011

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DAVIESS COUNTY IN NORTHWEST KENTUCKY...
  HENDERSON COUNTY IN NORTHWEST KENTUCKY...
  NORTHERN HOPKINS COUNTY IN NORTHWEST KENTUCKY...
  MCLEAN COUNTY IN NORTHWEST KENTUCKY...
  UNION COUNTY IN NORTHWEST KENTUCKY...
  WEBSTER COUNTY IN NORTHWEST KENTUCKY...
  NORTH CENTRAL MUHLENBERG COUNTY IN SOUTH CENTRAL KENTUCKY...
  SOUTHEASTERN GALLATIN COUNTY IN SOUTHERN ILLINOIS...
  EASTERN HARDIN COUNTY IN SOUTHERN ILLINOIS...
  NORTH CENTRAL CALDWELL COUNTY IN WESTERN KENTUCKY...
  NORTHERN CRITTENDEN COUNTY IN WESTERN KENTUCKY...

* UNTIL 1015 PM CDT.

* AT 916 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A LINE OF
  SEVERE THUNDERSTORMS PRODUCING DESTRUCTIVE WINDS UP TO 90 MPH. 
  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 10 MILES 
  NORTHWEST OF SHAWNEETOWN TO 40 MILES SOUTHWEST OF SHAWNEETOWN..
  AND MOVING EAST AT 60 MPH.

  WIND GUSTS HAVE BEEN MEASURED FROM 75 TO 90 MPH IN JOHNSON AND 
  SALINE COUNTIES IN SOUTHERN ILLINOIS.

* LOCATIONS IN THE WARNING INCLUDE...
  SHAWNEETOWN...
  UNIONTOWN...
  MORGANFIELD...
  HENDERSON...
  OWENSBORO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS AN EXTREMELY DANGEROUS STORM CAPABLE OF PRODUCING
TORNADO-LIKE WINDS AND STRUCTURAL DAMAGE TO WELL BUILT BUILDINGS.
TREES AND POWER LINES WILL LIKELY COME DOWN AS WELL. MOVE TO A
SUBSTANTIAL INDOOR STORM SHELTER.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT WEDNESDAY MORNING
FOR SOUTHEASTERN ILLINOIS AND SOUTHWEST INDIANA AND WESTERN KENTUCKY
AND SOUTHEAST MISSOURI.

&&

LAT...LON 3768 8683 3754 8707 3737 8711 3733 8828
      3786 8813 3786 8806 3784 8803 3782 8809
      3778 8796 3781 8791 3787 8794 3788 8768
      3783 8765 3789 8759 3790 8732 3778 8710
      3790 8704 3792 8697 3780 8682
TIME...MOT...LOC 0218Z 264DEG 50KT 3778 8830 3731 8865
WIND...HAIL 90MPH 1.00IN

$$

1 follow-up statement

775 
WWUS53 KPAH 200304
SVSPAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
1004 PM CDT TUE APR 19 2011

ILC059-069-KYC033-055-059-101-107-149-177-225-233-200315-
/O.CON.KPAH.SV.W.0077.000000T0000Z-110420T0315Z/
HARDIN IL-GALLATIN IL-HENDERSON KY-DAVIESS KY-UNION KY-MCLEAN KY-
WEBSTER KY-HOPKINS KY-CRITTENDEN KY-MUHLENBERG KY-CALDWELL KY-
1004 PM CDT TUE APR 19 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT
FOR EASTERN GALLATIN AND EASTERN HARDIN COUNTIES IN SOUTHERN
ILLINOIS...AND NORTHERN HOPKINS...WEBSTER...MCLEAN...UNION...DAVIESS
AND HENDERSON COUNTIES IN NORTHWEST KENTUCKY...AND NORTH CENTRAL
MUHLENBERG COUNTY IN SOUTH CENTRAL KENTUCKY...AND NORTH CENTRAL
CALDWELL AND NORTHERN CRITTENDEN COUNTIES IN WESTERN KENTUCKY...

AT 958 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A LINE OF SEVERE 
THUNDERSTORMS PRODUCING DESTRUCTIVE WINDS UP TO 70 MPH.  THESE 
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM HENDERSON TO 10 
MILES SOUTHWEST OF WHEATCROFT...MOVING EAST AT 55 MPH.

AT 955 PM...A WIND GUST TO 60 MPH WAS MEASURED AT THE HENDERSON 
AIRPORT. 

LOCATIONS IN THE WARNING INCLUDE DIXON...ROBARDS...PROVIDENCE...
SEBREE...HEBBARDSVILLE...STANLEY...ST. JOSEPH...KNOTTSVILLE...BEECH
GROVE...WHITESVILLE...SLAUGHTERS...SACRAMENTO...OWENSBORO...NEBO...
MOSELEYVILLE...MASONVILLE...LIVERMORE...ISLAND...HANSON AND CALHOUN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS AN EXTREMELY DANGEROUS STORM CAPABLE OF PRODUCING
TORNADO-LIKE WINDS AND STRUCTURAL DAMAGE TO WELL BUILT BUILDINGS.
TREES AND POWER LINES WILL LIKELY COME DOWN AS WELL. MOVE TO A
SUBSTANTIAL INDOOR STORM SHELTER.

&&

LAT...LON 3768 8683 3754 8707 3737 8711 3733 8828
      3786 8813 3786 8806 3784 8803 3782 8809
      3778 8796 3781 8791 3787 8794 3788 8768
      3783 8765 3789 8759 3790 8732 3778 8710
      3790 8704 3792 8697 3780 8682
TIME...MOT...LOC 0303Z 264DEG 50KT 3784 8751 3737 8787
WIND...HAIL 70MPH <.75IN

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 8:37 PM CDT	Severe Thunderstorm Warning	PAH	Ballard	38 min
Apr 19, 9:01 PM CDT	Severe Thunderstorm Warning	PAH	Ballard, Livingston, McCracken, Marshall	44 min
Apr 19, 9:19 PM CDT	Areal Flood Advisory	PAH	Union	3 hr
Apr 19, 9:46 PM CDT	Areal Flood Advisory	PAH	Daviess, Henderson, McLean, Webster	3 hr
Apr 19, 9:46 PM CDT	Severe Thunderstorm Warning	PAH	Ballard, Crittenden, Livingston, McCracken	59 min
Apr 19, 9:54 PM CDT	Severe Thunderstorm Warning	PAH	Carlisle, Fulton, Graves, Hickman	51 min
Apr 19, 9:54 PM CDT	Tornado Warning	PAH	Ballard	20 min
Apr 19, 9:58 PM CDT	Areal Flood Advisory	PAH	Ballard, Carlisle, Fulton, Hickman, McCracken	3 hr
Apr 19, 10:00 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Crittenden, Hopkins, Livingston, Lyon, Marshall	30 min
Apr 19, 10:09 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Crittenden, Daviess, Henderson, Hopkins, McLean and 3 more	66 min
Apr 19, 10:28 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Christian, Crittenden, Graves, Hopkins, Livingston and 6 more	62 min
Apr 19, 10:46 PM CDT	Severe Thunderstorm Warning	PAH	Ballard, Calloway, Carlisle, Fulton, Graves, Hickman and 3 more	59 min
Apr 19, 11:03 PM CDT	Areal Flood Advisory	PAH	Caldwell, Crittenden, Graves, Hopkins, Livingston, Lyon and 2 more	3 hr
Apr 19, 11:30 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Christian, Hopkins, Livingston, Lyon, Marshall and 3 more	30 min
Apr 19, 11:44 PM CDT	Severe Thunderstorm Warning	PAH	Calloway, Fulton, Graves, Hickman, Marshall, Trigg	46 min
Apr 20, 12:11 AM CDT	Tornado Warning	PAH	Calloway, Marshall, Trigg	21 min
Apr 20, 12:26 AM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Christian, Lyon, Muhlenberg, Todd, Trigg	49 min
Apr 20, 12:42 AM CDT	Tornado Warning	PAH	Christian, Todd	33 min
Apr 19, 7:43 PM CDT	Severe Thunderstorm Warning	PAH	Alexander, Jackson, Union	62 min
Apr 19, 8:14 PM CDT	Tornado Warning	PAH	Jackson, Union	31 min
Apr 19, 8:15 PM CDT	Severe Thunderstorm Warning	PAH	Franklin, Jackson, Jefferson, Johnson, Perry, Union and 1 more	60 min
Apr 19, 8:26 PM CDT	Tornado Warning	PAH	Jackson, Perry	18 min
Apr 19, 8:27 PM CDT	Areal Flood Advisory	PAH	Alexander, Jackson, Perry, Union	3 hr
Apr 19, 8:47 PM CDT	Areal Flood Advisory	PAH	Franklin, Jefferson, Johnson, Pulaski, Williamson	3 hr
Apr 19, 8:50 PM CDT	Severe Thunderstorm Warning	PAH	Edwards, Franklin, Gallatin, Hamilton, Hardin, Jefferson and 4 more	55 min
Apr 19, 8:53 PM CDT	Tornado Warning	PAH	Jefferson, Perry, Wayne	37 min
Apr 19, 9:13 PM CDT	Tornado Warning	PAH	Hamilton, White	32 min
Apr 19, 9:17 PM CDT	Severe Thunderstorm Warning	PAH	Edwards, Gallatin, Wabash, White	58 min
Apr 19, 9:26 PM CDT	Tornado Warning	PAH	Wayne	23 min
Apr 19, 9:29 PM CDT	Tornado Warning	PAH	White	31 min
Apr 19, 9:30 PM CDT	Tornado Warning	PAH	Alexander, Jackson	30 min
Apr 19, 9:35 PM CDT	Tornado Warning	PAH	Edwards, Wabash, Wayne	25 min
Apr 19, 9:39 PM CDT	Tornado Warning	PAH	Alexander	36 min
Apr 19, 10:07 PM CDT	Severe Thunderstorm Warning	PAH	Edwards, Gallatin, Wabash, White	53 min
Apr 20, 10:05 AM CDT	River Flood Warning	PAH	Gallatin, Wayne, White	50 hr

Nearby

Severe Thunderstorm Warnings in Kentucky, 2011 Severe Thunderstorm Warnings in Illinois, 2011 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.