Alert archive / Kentucky / Tornado Warnings in 2011

Tornado Warning 69, NWS Paducah, KY

April 23, 2011Graves County, McCracken County, Marshall County, Kentucky

NWS Paducah, KY issued this tornado warning at Apr 23, 2011, 2:51 PM CDT for Graves County, McCracken County, Marshall County, Kentucky. It was in force for 24 min. 1 report 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 23, 2011, 2:51 PM CDT (19:51 UTC)
Expired: Apr 23, 2011, 3:15 PM CDT
In force: 24 min
Issued by: NWS Paducah, KY
Area: Storm-based polygon

Counties Graves County, KY, Marshall County, KY, McCracken County, KY

The radar

The Paducah radar (KPAH), 26 km from the middle of the area, began a volume at 19:52 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 23, 2:55 PM CDT	FUNNEL CLOUD	Reidland, KY	LATE REPORT.

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 23, 2:30 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 7.9 hours before the alert went out and 194 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: 630 J/kg
Mixed-layer CIN: -111 J/kg
Mixed-layer LCL: 671 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 294 m²/s²
0-3 km storm-relative helicity: 313 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 1.7

Open this sounding in Storm Lab

The text

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

952 
WFUS53 KPAH 231951
TORPAH
KYC083-145-157-232015-
/O.NEW.KPAH.TO.W.0069.110423T1951Z-110423T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
251 PM CDT SAT APR 23 2011

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN GRAVES COUNTY IN WESTERN KENTUCKY...
  WESTERN MARSHALL COUNTY IN WESTERN KENTUCKY...
  SOUTHEASTERN MCCRACKEN COUNTY IN WESTERN KENTUCKY...

* UNTIL 315 PM CDT.

* AT 247 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 15 MILES
  SOUTHWEST OF REIDLAND...MOVING EAST AT 45 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  REIDLAND...
  CALVERT CITY...
  BENTON...

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 3706 8834 3682 8834 3685 8878 3696 8880
TIME...MOT...LOC 1952Z 249DEG 38KT 3693 8870

$$

1 follow-up statement

771 
WWUS53 KPAH 232005
SVSPAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
305 PM CDT SAT APR 23 2011

KYC083-145-157-232015-
/O.CON.KPAH.TO.W.0069.000000T0000Z-110423T2015Z/
MCCRACKEN KY-MARSHALL KY-GRAVES KY-
305 PM CDT SAT APR 23 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CDT FOR
NORTHEASTERN GRAVES...WESTERN MARSHALL AND SOUTHEASTERN MCCRACKEN
COUNTIES IN WESTERN KENTUCKY...

AT 301 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS STORM WAS
LOCATED NEAR SYMSONIA...MOVING EAST AT 55 MPH.

LOCATIONS IN THE WARNING INCLUDE BENTON.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
DAMAGING WINDS IN EXCESS OF 70 MPH.

LAT...LON 3703 8834 3685 8834 3687 8855 3697 8855
TIME...MOT...LOC 2005Z 258DEG 49KT 3694 8847

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 22, 9:17 PM CDT	Severe Thunderstorm Warning	PAH	Ballard, Carlisle	43 min
Apr 22, 9:38 PM CDT	Tornado Warning	PAH	Ballard, McCracken	35 min
Apr 22, 10:08 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Crittenden, Livingston, Lyon, Union, Webster	22 min
Apr 22, 10:31 PM CDT	Areal Flood Advisory	PAH	Ballard, Crittenden, Daviess, Henderson, Livingston, McCracken and 2 more	6 hr
Apr 22, 10:32 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Crittenden, Daviess, Henderson, Hopkins, McLean and 3 more	43 min
Apr 22, 11:00 PM CDT	Tornado Warning	PAH	Daviess, Henderson, McLean, Webster	30 min
Apr 22, 11:24 PM CDT	Tornado Warning	PAH	Daviess	25 min
Apr 22, 11:58 PM CDT	Areal Flood Advisory	PAH	Caldwell, Hopkins, Lyon, Marshall, Muhlenberg	2 hr
Apr 23, 1:12 AM CDT	Severe Thunderstorm Warning	PAH	Muhlenberg	33 min
Apr 23, 4:27 AM CDT	Areal Flood Advisory	PAH	Crittenden, Daviess, Henderson, Hopkins, Livingston, McLean and 2 more	3 hr
Apr 23, 6:27 AM CDT	Flash Flood Warning	PAH	Daviess, Henderson, Union	4 hr
Apr 23, 2:20 PM CDT	Tornado Warning	PAH	Ballard, McCracken	25 min
Apr 23, 2:27 PM CDT	Severe Thunderstorm Warning	PAH	Ballard, McCracken	6 min
Apr 23, 2:31 PM CDT	Tornado Warning	PAH	Ballard, McCracken	29 min
Apr 23, 2:46 PM CDT	Severe Thunderstorm Warning	PAH	Ballard, Carlisle, Graves, Livingston, McCracken, Marshall	29 min
Apr 23, 2:50 PM CDT	Tornado Warning	PAH	McCracken	25 min
Apr 23, 3:12 PM CDT	Severe Thunderstorm Warning	PAH	Crittenden, Livingston, Lyon, Marshall	33 min
Apr 23, 3:17 PM CDT	Tornado Warning	PAH	Livingston, Lyon, Marshall	28 min
Apr 23, 3:20 PM CDT	Tornado Warning	PAH	Crittenden, Livingston, Lyon	25 min
Apr 23, 3:34 PM CDT	Severe Thunderstorm Warning	PAH	Caldwell, Christian, Crittenden, Hopkins, Lyon, Union and 1 more	41 min
Apr 23, 3:36 PM CDT	Tornado Warning	PAH	Caldwell, Christian, Hopkins, Lyon	24 min
Apr 23, 3:43 PM CDT	Severe Thunderstorm Warning	PAH	Calloway, Lyon, Marshall, Trigg	32 min
Apr 23, 3:53 PM CDT	Tornado Warning	PAH	Daviess, Hopkins, McLean, Webster	22 min
Apr 23, 4:15 PM CDT	Tornado Warning	PAH	Hopkins, McLean, Muhlenberg	30 min
Apr 23, 4:35 PM CDT	Tornado Warning	PAH	Muhlenberg	25 min

Nearby

Tornado Warnings in Kentucky, 2011 Every tornado warning in 2011 Tornadoes 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.