Alert archive / Illinois / Tornado Warnings in 2011

Tornado Warning 142, NWS Paducah, KY

May 25, 2011Jefferson County, Illinois

NWS Paducah, KY issued this tornado warning at May 25, 2011, 5:27 PM CDT for Jefferson County, Illinois. It was in force for 48 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: May 25, 2011, 5:27 PM CDT (22:27 UTC)
Expired: May 25, 2011, 6:15 PM CDT
In force: 48 min
Issued by: NWS Paducah, KY
Area: Storm-based polygon

County Jefferson County, IL

The radar

The Evansville,IN radar (KVWX), 106 km from the middle of the area, began a volume at 22:28 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
May 25, 5:53 PM CDT	FUNNEL CLOUD	5 N Mount Vernon, IL	FUNNEL CLOUD REPORTED BETWEEN MOUNT VERNON AND DIX.

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
May 25, 11:09 AM CDT	Tornado Watch PDS	SPC	10 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.5 hours before the alert went out and 205 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: 1832 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 561 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 253 m²/s²
0-3 km storm-relative helicity: 222 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 10.1

Open this sounding in Storm Lab

The text

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

195 
WFUS53 KPAH 252227
TORPAH
ILC081-252315-
/O.NEW.KPAH.TO.W.0142.110525T2227Z-110525T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
527 PM CDT WED MAY 25 2011

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* TORNADO WARNING FOR...
  JEFFERSON COUNTY IN SOUTH CENTRAL ILLINOIS...

* UNTIL 615 PM CDT.

* AT 523 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 13 MILES SOUTH
  OF WOODLAWN...MOVING NORTHEAST AT 25 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  WOODLAWN...
  MOUNT VERNON...

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 3841 8870 3814 8897 3814 8914 3822 8916
      3847 8915 3847 8870
TIME...MOT...LOC 2227Z 219DEG 21KT 3816 8905

$$

2 follow-up statements

088 
WWUS53 KPAH 252244
SVSPAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
544 PM CDT WED MAY 25 2011

ILC081-252315-
/O.CON.KPAH.TO.W.0142.000000T0000Z-110525T2315Z/
JEFFERSON IL-
544 PM CDT WED MAY 25 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR NORTHERN
JEFFERSON COUNTY IN SOUTH CENTRAL ILLINOIS...

AT 541 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS STORM WAS
LOCATED 3 MILES WEST OF MOUNT VERNON...MOVING NORTH AT 40 MPH.

LOCATIONS IN THE WARNING INCLUDE DIX.

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 3847 8870 3841 8870 3827 8890 3828 8905
      3830 8915 3847 8915
TIME...MOT...LOC 2244Z 202DEG 35KT 3834 8896

$$

102 
WWUS53 KPAH 252306
SVSPAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
606 PM CDT WED MAY 25 2011

ILC081-252316-
/O.EXP.KPAH.TO.W.0142.000000T0000Z-110525T2315Z/
JEFFERSON IL-
606 PM CDT WED MAY 25 2011

...THE TORNADO WARNING FOR NORTHERN JEFFERSON COUNTY IN SOUTH CENTRAL
ILLINOIS WILL EXPIRE AT 615 PM CDT...

THE TORNADIC STORM HAS EXITED THE COUNTY.

LAT...LON 3847 8870 3841 8870 3827 8890 3828 8905
      3830 8915 3847 8915
TIME...MOT...LOC 2306Z 202DEG 35KT 3854 8886

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 4:11 AM CDT	Lake Wind Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	16 hr
May 25, 11:51 AM CDT	Severe Thunderstorm Warning	PAH	Edwards, Wabash, White	39 min
May 25, 5:05 PM CDT	Tornado Warning	PAH	Perry	25 min
May 25, 5:54 PM CDT	Tornado Warning	PAH	Johnson, Pope	36 min
May 25, 6:04 PM CDT	Tornado Warning	PAH	Jackson, Perry	41 min
May 25, 6:05 PM CDT	Tornado Warning	PAH	Gallatin, Pope, Saline, Williamson	25 min
May 25, 6:08 PM CDT	Tornado Warning	PAH	Alexander	37 min
May 25, 6:18 PM CDT	Tornado Warning	PAH	Union	27 min
May 25, 6:25 PM CDT	Tornado Warning	PAH	Gallatin, Hamilton, Saline, White	50 min
May 25, 6:35 PM CDT	Tornado Warning	PAH	Franklin, Jefferson, Williamson	40 min
May 25, 6:41 PM CDT	Tornado Warning	PAH	Jackson, Perry	22 min
May 25, 6:43 PM CDT	Tornado Warning	PAH	Alexander, Johnson, Massac, Pulaski, Union	32 min
May 25, 6:57 PM CDT	Tornado Warning	PAH	White	33 min
May 25, 6:59 PM CDT	Tornado Warning	PAH	Hamilton, Saline, Wayne	46 min

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.