Alert archive / Illinois / Tornado Warnings in 2011

Tornado Warning 63, NWS Paducah, KY

April 22, 2011Massac County, Pope County, Pulaski County, Illinois; Ballard County, McCracken County, Kentucky

NWS Paducah, KY issued this tornado warning at Apr 22, 2011, 9:38 PM CDT for Massac County, Pope County, Pulaski County, Illinois; Ballard County, McCracken County, Kentucky. It was in force for 35 min. 5 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 22, 2011, 9:38 PM CDT (02:38 UTC)
Expired: Apr 22, 2011, 10:13 PM CDT
In force: 35 min
Issued by: NWS Paducah, KY
Area: Storm-based polygon

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

The radar

The Paducah radar (KPAH), 6 km from the middle of the area, began a volume at 02:40 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 22, 9:45 PM CDT	TSTM WND DMG	Monkeys Eyebrow, KY	PARTIAL ROOF AND SIDING OFF RESIDENCE. ALSO...WINDOW OUT OF CAR
Apr 22, 9:56 PM CDT	TSTM WND GST 55	Joppa, IL
Apr 22, 9:56 PM CDT	TSTM WND GST 60	Round Knob, IL	BETWEEN JOPPA AND METROPOLIS. MULTIPLE POWER FLASHES OF BLOWN TRANSFORMERS
Apr 22, 9:56 PM CDT	TSTM WND GST 76	Round Knob, IL
Apr 22, 10:01 PM CDT	TSTM WND GST 60	Metropolis, IL

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 22, 5:49 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 2.6 hours before the alert went out and 219 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: 719 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 1368 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 185 m²/s²
0-3 km storm-relative helicity: 309 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 6.3

Open this sounding in Storm Lab

The text

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

321 
WFUS53 KPAH 230238
TORPAH
ILC127-151-153-KYC007-145-230330-
/O.NEW.KPAH.TO.W.0063.110423T0238Z-110423T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
938 PM CDT FRI APR 22 2011

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* TORNADO WARNING FOR...
  MASSAC COUNTY IN SOUTHERN ILLINOIS...
  CENTRAL POPE COUNTY IN SOUTHERN ILLINOIS...
  EASTERN PULASKI COUNTY IN SOUTHERN ILLINOIS...
  NORTHERN BALLARD COUNTY IN WESTERN KENTUCKY...
  MCCRACKEN COUNTY IN WESTERN KENTUCKY...

* UNTIL 1030 PM CDT.

* AT 936 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 11 MILES
  NORTHWEST OF LA CENTER...MOVING EAST AT 60 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  LA CENTER...
  KARNAK...
  WEST PADUCAH...
  NEW COLUMBIA...
  METROPOLIS...
  BROOKPORT...
  PADUCAH...
  LONE OAK...

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.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

&&

LAT...LON 3707 8912 3729 8912 3736 8853 3707 8852
      3707 8854 3707 8856 3703 8851 3697 8851
TIME...MOT...LOC 0238Z 268DEG 54KT 3718 8908

$$

1 follow-up statement

421 
WWUS53 KPAH 230313
SVSPAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
1013 PM CDT FRI APR 22 2011

ILC127-151-153-KYC007-145-230323-
/O.CAN.KPAH.TO.W.0063.000000T0000Z-110423T0330Z/
PULASKI IL-MASSAC IL-POPE IL-BALLARD KY-MCCRACKEN KY-
1013 PM CDT FRI APR 22 2011

...THE TORNADO WARNING FOR CENTRAL POPE...MASSAC AND EASTERN PULASKI
COUNTIES IN SOUTHERN ILLINOIS...AND MCCRACKEN AND NORTHERN BALLARD
COUNTIES IN WESTERN KENTUCKY IS CANCELLED...

THE STORM HAS WEAKENED AND MOVED OUT OF THE WARNED AREA...THUS THE 
WARNING IS CANCELLED.

LAT...LON 3707 8912 3729 8912 3736 8853 3707 8852
      3707 8854 3707 8856 3703 8851 3697 8851
TIME...MOT...LOC 0313Z 268DEG 54KT 3719 8842

$$

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, 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, 2:50 PM CDT	Tornado Warning	PAH	Massac, Pope	25 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.