Alert archive / Illinois / Tornado Warnings in 2011

Tornado Warning 68, NWS Paducah, KY

April 23, 2011Massac County, Pope County, Illinois; McCracken County, Kentucky

NWS Paducah, KY issued this tornado warning at Apr 23, 2011, 2:50 PM CDT for Massac County, Pope County, Illinois; McCracken County, Kentucky. It was in force for 25 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 23, 2011, 2:50 PM CDT (19:50 UTC)
Expired: Apr 23, 2011, 3:15 PM CDT
In force: 25 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), 21 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, 2:56 PM CDT	TSTM WND DMG	Metropolis, IL	WIDESPREAD POWER OUTAGES IN TOWN.
Apr 23, 2:57 PM CDT	FUNNEL CLOUD	3 N Metropolis, IL	FUNNEL CLOUD HAS ROTATION AND HEADING EAST.
Apr 23, 2:57 PM CDT	TSTM WND DMG	Metropolis, IL	WIDESPREAD TREES AND POWER POLE DAMAGE ON THE NORTH SIDE OF TOWN NEAR THE HONEYWELL PLANT.
Apr 23, 3:05 PM CDT	TSTM WND DMG	Metropolis, IL	DOWNED AND UPROOTED TREES REPORTED ALONG NORTH STREET. DOWNED POWER POLES. ONE TREE IS LAYING ACROSS A HOUSE.

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, 7.8 hours before the alert went out and 217 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.

096 
WFUS53 KPAH 231950
TORPAH
ILC127-151-KYC145-232015-
/O.NEW.KPAH.TO.W.0068.110423T1950Z-110423T2015Z/

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

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL MASSAC COUNTY IN SOUTHERN ILLINOIS...
  SOUTH CENTRAL POPE COUNTY IN SOUTHERN ILLINOIS...
  NORTHWESTERN 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 4 MILES WEST OF
  METROPOLIS...MOVING EAST AT 45 MPH.

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

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 3709 8883 3721 8887 3737 8853 3731 8851
      3728 8851 3724 8848 3713 8845
TIME...MOT...LOC 1950Z 249DEG 38KT 3718 8874

$$

1 follow-up statement

422 
WWUS53 KPAH 232002
SVSPAH

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

KYC145-232011-
/O.CAN.KPAH.TO.W.0068.000000T0000Z-110423T2015Z/
MCCRACKEN KY-
302 PM CDT SAT APR 23 2011

...THE TORNADO WARNING FOR NORTH CENTRAL MCCRACKEN COUNTY IN WESTERN
KENTUCKY IS CANCELLED...

THE STORM HAS MOVED EAST OF THE WARNED AREA.

LAT...LON 3725 8869 3731 8851 3728 8851 3727 8850
      3716 8847 3716 8846 3714 8864
TIME...MOT...LOC 2001Z 261DEG 41KT 3720 8858

$$

ILC127-151-232015-
/O.CON.KPAH.TO.W.0068.000000T0000Z-110423T2015Z/
MASSAC IL-POPE IL-
302 PM CDT SAT APR 23 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CDT FOR SOUTH
CENTRAL POPE AND EAST CENTRAL MASSAC COUNTIES IN SOUTHERN ILLINOIS...

AT 257 PM CDT...TRAINED SPOTTERS REPORTED A FUNNEL CLOUD ABOUT 3 
MILES NORTH OF METROPOLIS. SIGNFICANT DAMAGE HAS BEEN REPORTED IN 
METROPOLIS. AT 256 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED 
TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  
THIS STORM WAS LOCATED OVER CENTRAL MASSAC COUNTY...MOVING EAST AT 
50 MPH.

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

LAT...LON 3725 8869 3731 8851 3728 8851 3727 8850
      3716 8847 3716 8846 3714 8864
TIME...MOT...LOC 2001Z 261DEG 41KT 3720 8858

$$

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	Alexander, Pulaski	43 min
Apr 22, 9:19 PM CDT	Flash Flood Warning	PAH	Alexander, Pulaski, Union	3 hr
Apr 22, 9:23 PM CDT	Severe Thunderstorm Warning	PAH	Gallatin, White	15 min
Apr 22, 9:38 PM CDT	Tornado Warning	PAH	Massac, Pope, Pulaski	35 min
Apr 22, 10:08 PM CDT	Severe Thunderstorm Warning	PAH	Gallatin, Hardin, Massac, Pope	22 min
Apr 22, 10:31 PM CDT	Areal Flood Advisory	PAH	Gallatin, Hardin, Johnson, Massac, Pope, Saline and 1 more	6 hr
Apr 22, 11:02 PM CDT	Flash Flood Warning	PAH	Jefferson	6 hr
Apr 23, 12:17 AM CDT	Flash Flood Warning	PAH	Franklin, Jackson, Perry, Williamson	6 hr
Apr 23, 12:44 AM CDT	Severe Thunderstorm Warning	PAH	White	31 min
Apr 23, 12:55 AM CDT	Severe Thunderstorm Warning	PAH	Franklin, Hamilton, Jackson, Perry, Saline, Union and 1 more	50 min
Apr 23, 2:02 AM CDT	Areal Flood Advisory	PAH	Hamilton, Johnson, Pope, Saline, Union	3 hr
Apr 23, 4:27 AM CDT	Areal Flood Advisory	PAH	Gallatin, Hamilton, Hardin, Johnson, Massac, Pope and 4 more	3 hr
Apr 23, 6:27 AM CDT	Flash Flood Warning	PAH	Hardin	4 hr
Apr 23, 11:18 AM CDT	Areal Flood Advisory	PAH	Edwards, Franklin, Hamilton, Jefferson, Perry, Wabash and 2 more	3 hr
Apr 23, 12:35 PM CDT	Flash Flood Warning	PAH	Edwards, Gallatin, Wabash, White	6 hr
Apr 23, 1:42 PM CDT	Areal Flood Advisory	PAH	Alexander, Pulaski, Union	3 hr
Apr 23, 2:20 PM CDT	Tornado Warning	PAH	Alexander, Massac, Pulaski	25 min
Apr 23, 2:27 PM CDT	Severe Thunderstorm Warning	PAH	Alexander	6 min
Apr 23, 2:46 PM CDT	Severe Thunderstorm Warning	PAH	Massac, Pope	29 min
Apr 23, 3:12 PM CDT	Severe Thunderstorm Warning	PAH	Hardin, Pope	33 min
Apr 23, 3:34 PM CDT	Severe Thunderstorm Warning	PAH	Hardin	41 min
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, 2:31 PM CDT	Tornado Warning	PAH	Ballard, McCracken	29 min
Apr 23, 2:51 PM CDT	Tornado Warning	PAH	Graves, McCracken, Marshall	24 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, 3:36 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 Illinois, 2011 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.