Alert archive / Illinois / Tornado Warnings in 2011

Tornado Warning 41, NWS Paducah, KY

April 19, 2011Jackson County, Perry County, Illinois

NWS Paducah, KY issued this tornado warning at Apr 19, 2011, 8:26 PM CDT for Jackson County, Perry County, Illinois. It was in force for 18 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, 8:26 PM CDT (01:26 UTC)
Expired: Apr 19, 2011, 8:44 PM CDT
In force: 18 min
Issued by: NWS Paducah, KY
Area: Storm-based polygon

Counties Jackson County, IL, Perry County, IL

The radar

The Paducah radar (KPAH), 109 km from the middle of the area, began a volume at 01:26 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, 8:35 PM CDT	TORNADO	Dowell, IL	EF0 TORNADO BEGAN 1.8 MILES WEST OF ELKVILLE AND LIFTED 1.2 MILES NORTHEAST OF DOWELL, AFTER GOING THROUGH THE TOWN OF DOWELL. PATH LENGTH 3.6 MILES WITH SEVERAL CARPORTS, SMALL CAMPER AND SMALL GARAGE DESTROYED. NUMEROUS TREES UPROOTED, AND NUMEROUS HOMES AND
Apr 19, 8:40 PM CDT	TSTM WND DMG	Du Quoin, IL	LATE REPORT. TIME ESTIMATED. WIDESPREAD TREE DAMAGE ACROSS SOUTH HALF OF COUNTY. MORE CONCENTRATED AREAS OF DAMAGE INCLUDE THE SOUTHWEST SIDE OF DU QUOIN AS WELL AS CONSIDERABLE TREE DAMAGE ALONG KATHLEEN MINE ROAD.

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

Lincoln, IL (KILX), launched 00:00Z, 1.4 hours before the alert went out and 249 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: 2409 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 523 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 370 m²/s²
0-3 km storm-relative helicity: 547 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 24.4

Open this sounding in Storm Lab

The text

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

525 
WFUS53 KPAH 200126
TORPAH
ILC077-145-200200-
/O.NEW.KPAH.TO.W.0041.110420T0126Z-110420T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
826 PM CDT TUE APR 19 2011

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN PERRY COUNTY IN SOUTH CENTRAL ILLINOIS...
  NORTHERN JACKSON COUNTY IN SOUTHERN ILLINOIS...

* UNTIL 900 PM CDT.

* AT 821 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 4 MILES
  SOUTHWEST OF AVA...MOVING NORTHEAST AT 60 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  AVA...
  ELKVILLE...
  DU QUOIN...

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 3812 8915 3811 8914 3799 8917 3795 8918
      3789 8917 3772 8953 3787 8958
TIME...MOT...LOC 0126Z 245DEG 53KT 3787 8944

$$

1 follow-up statement

227 
WWUS53 KPAH 200144
SVSPAH

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

ILC077-145-200153-
/O.CAN.KPAH.TO.W.0041.000000T0000Z-110420T0200Z/
JACKSON IL-PERRY IL-
844 PM CDT TUE APR 19 2011

...THE TORNADO WARNING FOR SOUTHEASTERN PERRY COUNTY IN SOUTH CENTRAL
ILLINOIS...AND NORTHERN JACKSON COUNTY IN SOUTHERN ILLINOIS IS
CANCELLED...

THE ROTATION THAT PROMPTED THE WARNING HAS WEAKENED AND MOVED EAST 
OF THE WARNED AREA. THUS...THE WARNING HAS BEEN CANCELLED.

LAT...LON 3812 8915 3811 8914 3799 8917 3795 8918
      3789 8917 3772 8953 3787 8958
TIME...MOT...LOC 0143Z 245DEG 53KT 3798 8915

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
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, 8:27 PM CDT	Areal Flood Advisory	PAH	Alexander, Jackson, Perry, Union	3 hr
Apr 19, 8:37 PM CDT	Severe Thunderstorm Warning	PAH	Alexander, Johnson, Massac, Pulaski	38 min
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, 9:01 PM CDT	Severe Thunderstorm Warning	PAH	Alexander, Hardin, Johnson, Massac, Pope, Pulaski	44 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, 9:19 PM CDT	Areal Flood Advisory	PAH	Edwards, Gallatin, Hamilton, Hardin, Pope, Saline and 3 more	3 hr
Apr 19, 9:20 PM CDT	Severe Thunderstorm Warning	PAH	Gallatin, Hardin	55 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, 9:46 PM CDT	Severe Thunderstorm Warning	PAH	Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more	59 min
Apr 19, 9:54 PM CDT	Tornado Warning	PAH	Alexander, Pulaski, Union	20 min
Apr 19, 9:58 PM CDT	Areal Flood Advisory	PAH	Massac	3 hr
Apr 19, 10:07 PM CDT	Severe Thunderstorm Warning	PAH	Edwards, Gallatin, Wabash, White	53 min
Apr 19, 10:09 PM CDT	Severe Thunderstorm Warning	PAH	Gallatin, Hardin	66 min
Apr 19, 10:46 PM CDT	Severe Thunderstorm Warning	PAH	Massac, Pope	59 min
Apr 20, 10:05 AM CDT	River Flood Warning	PAH	Gallatin, Wayne, White	50 hr

Nearby

Tornado Warnings in Illinois, 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.