Alert archive / Kentucky / Tornado Warnings in 2012

Tornado Warning 95, NWS Louisville, KY

September 1, 2012Allen County, Barren County, Monroe County, Kentucky

NWS Louisville, KY issued this tornado warning at Sep 1, 2012, 4:35 PM CDT for Allen County, Barren County, Monroe County, Kentucky. It was in force for 20 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 1, 2012, 4:35 PM CDT (21:35 UTC)
Expired
Sep 1, 2012, 4:55 PM CDT
In force
20 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon

Counties Allen County, KY, Barren County, KY, Monroe County, KY

The radar

The Nashville radar (KOHX), 72 km from the middle of the area, began a volume at 21:35 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.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.6 hours before the alert went out and 83 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.

914 
WFUS53 KLMK 012135
TORLMK
KYC003-009-171-012155-
/O.NEW.KLMK.TO.W.0095.120901T2135Z-120901T2155Z/

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

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN ALLEN COUNTY IN SOUTH CENTRAL KENTUCKY...
  SOUTHERN BARREN COUNTY IN SOUTH CENTRAL KENTUCKY...
  SOUTHWESTERN MONROE COUNTY IN SOUTH CENTRAL KENTUCKY...

* UNTIL 455 PM CDT...

* AT 430 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR AMOS...MOVING NORTHEAST AT 35 MPH.

* THIS TORNADIC STORM WILL ALSO IMPACT...
  MOUNT ZION AND HOLLAND...
  AKERSVILLE AND WALNUT HILL...
  FOUNTAIN RUN AND BUGTUSSLE...
  LAMB AND FLIPPIN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT...POST YOUR REPORT TO
THE NATIONAL WEATHER SERVICE LOUISVILLE FACEBOOK PAGE...OR TWEET YOUR
REPORT USING HASHTAG L...M...K...SPOTTER.

&&

LAT...LON 3662 8589 3663 8614 3664 8616 3685 8599
      3667 8572 3661 8587
TIME...MOT...LOC 2135Z 227DEG 29KT 3662 8606

$$

RS
1 follow-up statement
281 
WWUS53 KLMK 012152
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
452 PM CDT SAT SEP 1 2012

KYC003-009-171-012202-
/O.EXP.KLMK.TO.W.0095.000000T0000Z-120901T2155Z/
MONROE KY-ALLEN KY-BARREN KY-
452 PM CDT SAT SEP 1 2012

...THE TORNADO WARNING FOR SOUTHERN BARREN...SOUTHEASTERN ALLEN AND
SOUTHWESTERN MONROE COUNTIES WILL EXPIRE AT 455 PM CDT...

THE STORMS THAT PROMPTED THE WARNING HAVE MOVED INTO WESTERN MONROE 
COUNTY...WHERE A NEW TORNADO WARNING IS IN EFFECT.

REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT...POST YOUR REPORT TO
THE NATIONAL WEATHER SERVICE LOUISVILLE FACEBOOK PAGE...OR TWEET YOUR
REPORT USING HASHTAG L...M...K...SPOTTER.

LAT...LON 3662 8589 3663 8614 3664 8616 3685 8599
      3667 8572 3661 8587
TIME...MOT...LOC 2152Z 227DEG 29KT 3671 8593

$$

RS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 1, 2:03 PM CDTSpecial Weather StatementLMKLogan47 min
Sep 1, 2:32 PM CDTSpecial Weather StatementLMKButler, Simpson, Warren43 min
Sep 1, 3:12 PM CDTSpecial Weather StatementLMKAllen, Edmonson, Warren43 min
Sep 1, 3:21 PM CDTSpecial Weather StatementLMKOldham29 min
Sep 1, 3:56 PM CDTSpecial Weather StatementLMKBarren, Hart29 min
Sep 1, 4:51 PM CDTTornado WarningLMKMonroe24 min
Sep 1, 5:12 PM CDTSpecial Weather StatementLMKMonroe43 min
Sep 1, 5:52 PM CDTSpecial Weather StatementLMKAdair, Casey, Cumberland, Russell43 min
Sep 1, 6:27 PM CDTSpecial Weather StatementLMKCasey, Russell43 min

Nearby

Tornado 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.