Alert archive / Kentucky / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 13, NWS Louisville, KY

January 17, 2012Shelby County, Spencer County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jan 17, 2012, 11:42 AM EST for Shelby County, Spencer County, Kentucky. It was in force for 18 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
Jan 17, 2012, 11:42 AM EST (16:42 UTC)
Expired
Jan 17, 2012, 12:00 PM EST
In force
18 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Hail
0.5 in
Wind
60.0 mph

Counties Shelby County, KY, Spencer County, KY

The radar

The Louisville radar (KLVX), 76 km from the middle of the area, began a volume at 16:44 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 4.7 hours before the alert went out and 182 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, Cncnati-Daytn, OH at 12:00Z on 2012-01-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2012-01-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 818 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
602 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
818 m²/s²
0-3 km storm-relative helicity
844 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

329 
WUUS53 KLMK 171642
SVRLMK
KYC211-215-171700-
/O.NEW.KLMK.SV.W.0013.120117T1642Z-120117T1700Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1142 AM EST TUE JAN 17 2012

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN SHELBY COUNTY IN NORTH CENTRAL KENTUCKY...
  NORTHEASTERN SPENCER COUNTY IN NORTH CENTRAL KENTUCKY...

* UNTIL NOON EST

* AT 1140 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR SOUTHVILLE...MOVING EAST AT
  55 MPH.

* THE SEVERE THUNDERSTORM WILL ALSO IMPACT...
  SHELBYVILLE...
  WADDY AND HARRISONVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE...CALL TOLL
FREE AT...1...8 7 7...6 3 3...6 7 7 2...WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 3820 8501 3816 8501 3813 8503 3812 8504
      3810 8505 3804 8511 3809 8538 3826 8527
TIME...MOT...LOC 1642Z 277DEG 47KT 3813 8518
WIND...HAIL 60MPH <.50IN

$$

EER
1 follow-up statement
252 
WWUS53 KLMK 171654
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1154 AM EST TUE JAN 17 2012

KYC211-215-171703-
/O.EXP.KLMK.SV.W.0013.000000T0000Z-120117T1700Z/
SHELBY KY-SPENCER KY-
1154 AM EST TUE JAN 17 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SPENCER AND
SOUTHERN SHELBY COUNTIES WILL EXPIRE AT NOON EST...

THE STORMS THAT PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED 
AREA.  A NEW SEVERE THUNDERSTORM WARNING HAS BEEN ISSUED FOR EASTERN 
SHELBY COUNTY AND NORTHEAST SPENCER COUNTY.

TO REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE...CALL TOLL
FREE AT...1...8 7 7...6 3 3...6 7 7 2...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3820 8501 3816 8501 3813 8503 3812 8504
      3810 8505 3804 8511 3809 8538 3826 8527
TIME...MOT...LOC 1653Z 277DEG 47KT 3811 8500

$$

AMS

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 17, 10:14 AM ESTSevere Thunderstorm WarningLMKMeade31 min
Jan 17, 10:27 AM ESTTornado WarningLMKHancock43 days
Jan 17, 10:34 AM ESTSevere Thunderstorm WarningLMKTrimble26 min
Jan 17, 10:43 AM ESTSevere Thunderstorm WarningLMKMeade17 min
Jan 17, 10:50 AM ESTSevere Thunderstorm WarningLMKBreckinridge, Hancock25 min
Jan 17, 10:54 AM ESTTornado WarningLMKJefferson, Oldham36 min
Jan 17, 10:57 AM ESTSevere Thunderstorm WarningLMKBreckinridge, Meade18 min
Jan 17, 11:00 AM ESTSpecial Weather StatementLMKJefferson30 min
Jan 17, 11:02 AM ESTSpecial Weather StatementLMKTrimble28 min
Jan 17, 11:07 AM ESTSevere Thunderstorm WarningLMKBullitt, Jefferson23 min
Jan 17, 11:11 AM ESTSevere Thunderstorm WarningLMKBreckinridge, Grayson, Hancock, Ohio19 min
Jan 17, 11:19 AM ESTSevere Thunderstorm WarningLMKBreckinridge, Bullitt, Hardin, Meade26 min
Jan 17, 11:20 AM ESTTornado WarningLMKJefferson, Shelby, Spencer25 min
Jan 17, 11:23 AM ESTSevere Thunderstorm WarningLMKBullitt, Jefferson, Nelson, Spencer37 min
Jan 17, 11:25 AM ESTSevere Thunderstorm WarningLMKHenry, Oldham, Trimble35 min
Jan 17, 11:29 AM ESTTornado WarningLMKBreckinridge, Grayson, Hardin16 min
Jan 17, 11:44 AM ESTSevere Thunderstorm WarningLMKBreckinridge, Bullitt, Hardin, Larue, Meade, Nelson31 min
Jan 17, 11:52 AM ESTSevere Thunderstorm WarningLMKAnderson, Fayette, Franklin, Scott, Shelby, Spencer and 1 more23 min
Jan 17, 12:06 PM ESTSpecial Weather StatementLMKGrayson, Larue24 min
Jan 17, 12:07 PM ESTSevere Thunderstorm WarningLMKAnderson, Mercer, Nelson, Spencer, Washington23 min
Jan 17, 12:14 PM ESTSpecial Weather StatementLMKBourbon, Clark, Fayette, Scott, Woodford31 min
Jan 17, 12:16 PM ESTSpecial Weather StatementLMKLogan29 min
Jan 17, 12:24 PM ESTSevere Thunderstorm WarningLMKGrayson, Green, Hardin, Hart, Larue, Nelson and 1 more36 min
Jan 17, 12:27 PM ESTTornado WarningLMKGrayson, Green, Hardin, Hart, Larue33 min
Jan 17, 12:28 PM ESTSevere Thunderstorm WarningLMKButler, Logan, Warren17 min
Jan 17, 12:39 PM ESTSpecial Weather StatementLMKEdmonson, Hart36 min
Jan 17, 12:46 PM ESTSevere Thunderstorm WarningLMKAllen, Barren, Edmonson, Warren29 min
Jan 17, 12:48 PM ESTSpecial Weather StatementLMKSimpson27 min
Jan 17, 12:50 PM ESTSpecial Weather StatementLMKBourbon, Clark, Fayette, Nicholas25 min
Jan 17, 12:56 PM ESTTornado WarningLMKWarren19 min
Jan 17, 1:10 PM ESTSpecial Weather StatementLMKCasey, Green, Taylor35 min
Jan 17, 1:12 PM ESTSpecial Weather StatementLMKAllen, Barren, Metcalfe, Simpson33 min
Jan 17, 1:14 PM ESTSpecial Weather StatementLMKMadison31 min
Jan 17, 1:14 PM ESTSevere Thunderstorm WarningLMKAllen, Simpson16 min
Jan 17, 1:16 PM ESTSpecial Weather StatementLMKGarrard44 min
Jan 17, 1:20 PM ESTTornado WarningLMKAllen, Simpson25 min
Jan 17, 1:25 PM ESTSevere Thunderstorm WarningLMKBoyle, Garrard, Lincoln, Madison35 min
Jan 17, 1:26 PM ESTSevere Thunderstorm WarningLMKClark, Madison19 min
Jan 17, 1:30 PM ESTSevere Thunderstorm WarningLMKAdair, Casey, Green, Hart, Marion, Taylor30 min
Jan 17, 1:43 PM ESTTornado WarningLMKAllen, Barren, Monroe32 min
Jan 17, 1:52 PM ESTSevere Thunderstorm WarningLMKCasey, Lincoln23 min
Jan 17, 1:59 PM ESTSevere Thunderstorm WarningLMKAdair, Casey, Russell, Taylor31 min
Jan 17, 2:13 PM ESTTornado WarningLMKCumberland, Monroe13 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2012Every severe thunderstorm warning 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.