Alert archive / Kentucky / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 41, NWS Louisville, KY

January 23, 2012Mercer County, Washington County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jan 23, 2012, 3:15 AM EST for Mercer County, Washington County, Kentucky. It was in force for 30 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 23, 2012, 3:15 AM EST (08:15 UTC)
Expired: Jan 23, 2012, 3:45 AM EST
In force: 30 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.5 in
Wind: 60.0 mph

Counties Mercer County, KY, Washington County, KY

The radar

The Louisville radar (KLVX), 92 km from the middle of the area, began a volume at 08:15 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jan 23, 2:14 AM EST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 8.3 hours before the alert went out and 198 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 415 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 262 m²/s²
0-3 km storm-relative helicity: 290 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.

409 
WUUS53 KLMK 230815 RRA
SVRLMK
KYC167-229-230845-
/O.NEW.KLMK.SV.W.0041.120123T0815Z-120123T0845Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
315 AM EST MON JAN 23 2012

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MERCER COUNTY IN EAST CENTRAL KENTUCKY...
  WASHINGTON COUNTY IN NORTH CENTRAL KENTUCKY...

* UNTIL 345 AM EST

* AT 310 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 VALLEY HILL...MOVING EAST
  AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL ALSO IMPACT...
  HARRODSBURG...
  CARDWELL AND CORNISHVILLE...
  DUNCAN AND DUGANSVILLE...
  TALMAGE AND JACKSON...
  EBENEZER AND BRAXTON...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT AND HAVE THEM RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN LOUISVILLE.

&&

LAT...LON 3769 8526 3783 8529 3790 8506 3789 8501
      3792 8498 3796 8481 3795 8482 3794 8480
      3791 8483 3791 8480 3789 8480 3791 8478
      3790 8478 3787 8476 3785 8477 3785 8475
      3775 8471
TIME...MOT...LOC 0816Z 254DEG 42KT 3779 8516
WIND...HAIL 60MPH <.50IN

$$

EER

3 follow-up statements

774 
WWUS53 KLMK 230828
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
328 AM EST MON JAN 23 2012

KYC167-229-230845-
/O.CON.KLMK.SV.W.0041.000000T0000Z-120123T0845Z/
MERCER KY-WASHINGTON KY-
328 AM EST MON JAN 23 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 AM EST
FOR NORTHEASTERN WASHINGTON AND MERCER COUNTIES...

AT 324 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR CARDWELL...MOVING EAST
AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL ALSO IMPACT...
  HARRODSBURG...
  TALMAGE AND JACKSON...
  EBENEZER AND BRAXTON...
  SHAKERTOWN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN LOUISVILLE.

&&

LAT...LON 3775 8471 3770 8517 3789 8510 3788 8503
      3792 8498 3796 8481 3794 8480 3791 8483
      3791 8480 3789 8480 3790 8478 3787 8476
      3785 8477 3785 8475
TIME...MOT...LOC 0828Z 254DEG 42KT 3783 8499
WIND...HAIL 60MPH <.50IN

$$

RS

633 
WWUS53 KLMK 230838
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
338 AM EST MON JAN 23 2012

KYC229-230848-
/O.CAN.KLMK.SV.W.0041.000000T0000Z-120123T0845Z/
WASHINGTON KY-
338 AM EST MON JAN 23 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WASHINGTON COUNTY
IS CANCELLED...

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 3773 8498 3793 8495 3796 8481 3795 8482
      3794 8480 3791 8483 3791 8480 3789 8480
      3789 8478 3787 8476 3785 8477 3785 8475
      3775 8471
TIME...MOT...LOC 0838Z 254DEG 42KT 3793 8482 3773 8488

$$

KYC167-230845-
/O.CON.KLMK.SV.W.0041.000000T0000Z-120123T0845Z/
MERCER KY-
338 AM EST MON JAN 23 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 AM EST
FOR MERCER COUNTY...

AT 334 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM BONDVILLE TO RIVERVIEW ESTATES...MOVING EAST AT 50
MPH.

* SEVERE THUNDERSTORMS WILL ALSO IMPACT...
  HARRODSBURG...
  BURGIN AND SHAKERTOWN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN LOUISVILLE.

&&

LAT...LON 3773 8498 3793 8495 3796 8481 3795 8482
      3794 8480 3791 8483 3791 8480 3789 8480
      3789 8478 3787 8476 3785 8477 3785 8475
      3775 8471
TIME...MOT...LOC 0838Z 254DEG 42KT 3793 8482 3773 8488
WIND...HAIL 60MPH <.50IN

$$

RS

605 
WWUS53 KLMK 230845 RRA
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
345 AM EST MON JAN 23 2012

KYC167-230855-
/O.EXP.KLMK.SV.W.0041.000000T0000Z-120123T0845Z/
MERCER KY-
345 AM EST MON JAN 23 2012

...THE SEVERE THUNDERSTORM WARNING FOR MERCER COUNTY HAS EXPIRED...

THE STORMS THAT PROMPTED THE WARNING HAVE WEAKENED AND ARE NO LONGER
SEVERE. HOWEVER STRONG STORMS REMAIN IN THE AREA. THESE ARE CAPABLE 
OF PRODUCING PERIODS OF HEAVY RAIN AND DANGEROUS LIGHTNING AND WIND 
GUSTS UP TO 50 MPH.

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 3773 8498 3793 8495 3796 8481 3795 8482
      3794 8480 3791 8483 3791 8480 3789 8480
      3789 8478 3787 8476 3785 8477 3785 8475
      3775 8471
TIME...MOT...LOC 0838Z 254DEG 42KT 3793 8482 3773 8488

$$

RS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 23, 12:57 AM EST	Severe Thunderstorm Warning	LMK	Hancock, Ohio	33 min
Jan 23, 1:21 AM EST	Severe Thunderstorm Warning	LMK	Breckinridge, Grayson, Hancock, Ohio	24 min
Jan 23, 1:21 AM EST	Severe Thunderstorm Warning	LMK	Butler, Logan, Ohio	24 min
Jan 23, 1:41 AM EST	Severe Thunderstorm Warning	LMK	Breckinridge, Meade	34 min
Jan 23, 1:44 AM EST	Severe Thunderstorm Warning	LMK	Butler, Logan, Simpson, Warren	31 min
Jan 23, 1:51 AM EST	Special Weather Statement	LMK	Grayson, Hardin	39 min
Jan 23, 2:02 AM EST	Severe Thunderstorm Warning	LMK	Edmonson, Grayson, Hart, Warren	28 min
Jan 23, 2:12 AM EST	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Jefferson, Nelson	33 min
Jan 23, 2:14 AM EST	Severe Thunderstorm Warning	LMK	Allen, Simpson, Warren	31 min
Jan 23, 2:15 AM EST	Special Weather Statement	LMK	Jefferson, Oldham, Trimble	30 min
Jan 23, 2:30 AM EST	Special Weather Statement	LMK	Larue, Nelson	60 min
Jan 23, 2:34 AM EST	Severe Thunderstorm Warning	LMK	Barren, Hart	26 min
Jan 23, 2:38 AM EST	Severe Thunderstorm Warning	LMK	Allen, Barren, Monroe	37 min
Jan 23, 2:44 AM EST	Special Weather Statement	LMK	Anderson, Shelby, Spencer	31 min
Jan 23, 2:47 AM EST	Special Weather Statement	LMK	Henry, Trimble	28 min
Jan 23, 2:51 AM EST	Severe Thunderstorm Warning	LMK	Henry, Oldham, Shelby	24 min
Jan 23, 3:01 AM EST	Special Weather Statement	LMK	Green, Taylor	29 min
Jan 23, 3:09 AM EST	Severe Thunderstorm Warning	LMK	Adair, Cumberland, Metcalfe, Monroe	36 min
Jan 23, 3:15 AM EST	Severe Thunderstorm Warning	LMK	Boyle, Casey, Marion	30 min
Jan 23, 3:21 AM EST	Special Weather Statement	LMK	Anderson, Franklin, Scott, Woodford	24 min
Jan 23, 3:43 AM EST	Special Weather Statement	LMK	Adair, Clinton, Cumberland, Russell	32 min
Jan 23, 3:44 AM EST	Special Weather Statement	LMK	Fayette, Harrison, Jessamine, Mercer, Scott, Woodford	31 min
Jan 23, 3:46 AM EST	Special Weather Statement	LMK	Boyle, Casey, Garrard, Lincoln	29 min
Jan 23, 4:09 AM EST	Special Weather Statement	LMK	Clinton, Russell	21 min
Jan 23, 4:10 AM EST	Special Weather Statement	LMK	Bourbon, Clark, Garrard, Lincoln, Madison, Nicholas	35 min
Jan 23, 4:32 AM EST	Special Weather Statement	LMK	Clinton	13 min
Jan 23, 5:42 AM EST	Wind Advisory	LMK	Adair, Allen, Anderson, Barren, Bourbon, Boyle and 43 more	11 hr
Jan 23, 11:21 AM EST	Severe Thunderstorm Warning	LMK	Henry, Trimble	24 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2012 Every 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.