Alert archive / Illinois / Tornado Warnings in 2012

Tornado Warning 80, NWS Paducah, KY

September 1, 2012Alexander County, Pulaski County, Illinois; Mississippi County, Missouri; Ballard County, Kentucky

NWS Paducah, KY issued this tornado warning at Sep 1, 2012, 6:42 PM CDT for Alexander County, Pulaski County, Illinois; Mississippi County, Missouri; Ballard County, Kentucky. It was in force for 33 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
Sep 1, 2012, 6:42 PM CDT (23:42 UTC)
Expired
Sep 1, 2012, 7:15 PM CDT
In force
33 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon

Counties Alexander County, IL, Pulaski County, IL, Ballard County, KY, Mississippi County, MO

The radar

The Paducah radar (KPAH), 33 km from the middle of the area, began a volume at 23:45 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

TimeReportWhereRemark
Sep 1, 6:48 PM CDTFUNNEL CLOUD2 Sw Mounds, IL
Sep 1, 6:48 PM CDTFUNNEL CLOUD3 Sw Mounds, IL
Sep 1, 6:58 PM CDTFUNNEL CLOUD7 Nw Barlow, ILFUNNEL CLOUD CROSSING THE OHIO RIVER INTO NORTHWEST BALLARD COUNTY
Sep 1, 7:00 PM CDTTSTM WND DMG2 N Barlow, KYSCATTERED TREE BRANCH DAMAGE IN NORTHERN BALLARD COUNTY. TIME ESTIMATED. POWER OUTAGES BETWEEN WICKLIFFE AND BARLOW.

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.

IssuedProductOfficeLasted
Sep 1, 1:19 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.7 hours before the alert went out and 252 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2012-09-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 827 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2012-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
827 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
545 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

408 
WFUS53 KPAH 012342
TORPAH
ILC003-153-KYC007-MOC133-020015-
/O.NEW.KPAH.TO.W.0080.120901T2342Z-120902T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
642 PM CDT SAT SEP 1 2012

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN ALEXANDER COUNTY IN SOUTHERN ILLINOIS...
  SOUTHERN PULASKI COUNTY IN SOUTHERN ILLINOIS...
  NORTHERN BALLARD COUNTY IN WESTERN KENTUCKY...
  NORTH CENTRAL MISSISSIPPI COUNTY IN SOUTHEAST MISSOURI...

* UNTIL 715 PM CDT.

* AT 641 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF
  PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 6 MILES
  SOUTHEAST OF HORSESHOE LAKE CONSERVATION AREA...OR 7 MILES WEST OF
  CAIRO...MOVING NORTHEAST AT 30 MPH.

* LOCATIONS IN THE WARNED AREA INCLUDE...
  LA CENTER...MOUNDS...MOUND CITY...BARLOW AND OLMSTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3727 8907 3706 8889 3699 8930 3706 8935
TIME...MOT...LOC 2343Z 240DEG 27KT 3704 8927

$$
PS
1 follow-up statement
361 
WWUS53 KPAH 012353
SVSPAH

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
653 PM CDT SAT SEP 1 2012

MOC133-020002-
/O.CAN.KPAH.TO.W.0080.000000T0000Z-120902T0015Z/
MISSISSIPPI MO-
653 PM CDT SAT SEP 1 2012

...THE TORNADO WARNING FOR NORTH CENTRAL MISSISSIPPI COUNTY IN
SOUTHEAST MISSOURI IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3701 8919 3712 8927 3727 8907 3706 8889
TIME...MOT...LOC 2352Z 240DEG 27KT 3707 8920

$$

ILC003-153-KYC007-020015-
/O.CON.KPAH.TO.W.0080.000000T0000Z-120902T0015Z/
PULASKI IL-ALEXANDER IL-BALLARD KY-
653 PM CDT SAT SEP 1 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN ALEXANDER AND
SOUTHERN PULASKI COUNTIES IN SOUTHERN ILLINOIS...AND NORTHERN BALLARD
COUNTY IN WESTERN KENTUCKY UNTIL 715 PM CDT...

AT 650 PM CDT...STORM SPOTTERS REPORTED A FUNNEL CLOUD. THIS FUNNEL 
CLOUD WAS LOCATED NEAR MOUNDS...OR 5 MILES NORTH OF 
CAIRO...MOVING NORTHEAST AT 30 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3701 8919 3712 8927 3727 8907 3706 8889
TIME...MOT...LOC 2352Z 240DEG 27KT 3707 8920

$$
PS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 1, 5:29 PM CDTTornado WarningPAHUnion31 min
Sep 1, 5:32 PM CDTTornado WarningPAHJackson, Union, Williamson28 min
Sep 1, 5:35 PM CDTSevere Thunderstorm WarningPAHFranklin25 min
Sep 1, 5:50 PM CDTSevere Thunderstorm WarningPAHAlexander, Pulaski, Union25 min
Sep 1, 6:26 PM CDTFlash Flood WarningPAHFranklin, Jackson, Union, Williamson3 hr
Sep 1, 6:29 PM CDTSevere Thunderstorm WarningPAHAlexander, Pulaski31 min
Sep 1, 3:14 PM CDTTornado WarningPAHButler, Carter, Ripley, Wayne31 min
Sep 1, 4:23 PM CDTTornado WarningPAHButler37 min
Sep 1, 4:36 PM CDTTornado WarningPAHButler, Stoddard24 min
Sep 1, 4:58 PM CDTTornado WarningPAHStoddard47 min
Sep 1, 5:04 PM CDTTornado WarningPAHNew Madrid, Stoddard41 min
Sep 1, 5:25 PM CDTTornado WarningPAHScott, Stoddard35 min
Sep 1, 5:33 PM CDTTornado WarningPAHNew Madrid, Stoddard27 min
Sep 1, 6:00 PM CDTFlash Flood WarningPAHButler3 hr
Sep 1, 6:06 PM CDTTornado WarningPAHMississippi, New Madrid, Scott24 min

Nearby

Tornado Warnings in Illinois, 2012Tornado Warnings in Missouri, 2012Tornado Warnings in Kentucky, 2012Every tornado warning in 2012Tornadoes in 2012

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.