Alert archive / Kentucky / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 21, NWS Louisville, KY

January 30, 20134 counties in Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jan 30, 2013, 4:48 AM EST for 4 counties in Kentucky. It was in force for 32 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: Jan 30, 2013, 4:48 AM EST (09:48 UTC)
Expired: Jan 30, 2013, 5:20 AM EST
In force: 32 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.5 in
Wind: 60.0 mph

Counties Hardin County, KY, Hart County, KY, Larue County, KY, Nelson County, KY

The radar

The Louisville radar (KLVX), 58 km from the middle of the area, began a volume at 09:49 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
Jan 30, 4:55 AM EST	TSTM WND DMG	2 S Upton, KY	TREES DOWN

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
Jan 29, 10:35 PM EST	Tornado Watch	SPC	6 hr
Jan 30, 4:35 AM EST	Tornado Watch	SPC	4 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 9.8 hours before the alert went out and 163 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: 91 J/kg
Mixed-layer CIN: -78 J/kg
Mixed-layer LCL: 520 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 345 m²/s²
0-3 km storm-relative helicity: 364 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

333 
WUUS53 KLMK 300948
SVRLMK
KYC093-099-123-179-301020-
/O.NEW.KLMK.SV.W.0021.130130T0948Z-130130T1020Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
448 AM EST WED JAN 30 2013

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN HARDIN COUNTY IN NORTH CENTRAL KENTUCKY...
  LARUE COUNTY IN NORTH CENTRAL KENTUCKY...
  SOUTHWESTERN NELSON COUNTY IN NORTH CENTRAL KENTUCKY...
  NORTHERN HART COUNTY IN SOUTH CENTRAL KENTUCKY...

* UNTIL 520 AM EST/420 AM CST/

* AT 444 AM EST/344 AM CST/...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED
  ALONG A LINE EXTENDING FROM GLENDALE TO RIDERS MILL TO TOM JOHNS
  CROSSING...MOVING NORTHEAST AT 55 MPH.

* SEVERE THUNDERSTORMS WILL ALSO IMPACT...
  HODGENVILLE...
  TONIEVILLE AND WABASH...
  NELSONVILLE AND TANNER...
  BOUNDARY OAK AND MAGNOLIA...
  JERICHO AND LEAFDALE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...MOVE QUICKLY TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

SQUALL LINES CAN PRODUCE INTENSE WIND DAMAGE AND EVEN SHORT-LIVED
TORNADOES. PROTECT YOURSELF INDOORS NOW FROM POWERFUL WINDS!

&&

LAT...LON 3725 8608 3739 8607 3740 8604 3739 8602
      3740 8604 3743 8604 3765 8587 3781 8543
      3765 8557 3746 8561 3747 8563 3743 8567
      3723 8606
TIME...MOT...LOC 0948Z 237DEG 49KT 3763 8582 3745 8596
          3727 8600
WIND...HAIL 60MPH <.50IN

$$

13

1 follow-up statement

801 
WWUS53 KLMK 301020
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
520 AM EST WED JAN 30 2013

KYC093-099-123-179-301030-
/O.EXP.KLMK.SV.W.0021.000000T0000Z-130130T1020Z/
LARUE KY-NELSON KY-HARDIN KY-HART KY-
520 AM EST WED JAN 30 2013

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN 
HART...SOUTHEASTERN HARDIN...SOUTHWESTERN NELSON AND WESTERN LARUE 
COUNTIES HAS EXPIRED...

THE STORMS THAT PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA.

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 3725 8608 3739 8607 3740 8604 3739 8602
      3740 8604 3743 8604 3765 8587 3781 8543
      3765 8557 3746 8561 3747 8563 3743 8567
      3723 8606
TIME...MOT...LOC 1020Z 237DEG 49KT 3786 8535 3768 8550
          3751 8554

$$

13

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 30, 12:26 AM EST	Special Weather Statement	LMK	Hancock	89 min
Jan 30, 1:53 AM EST	Severe Thunderstorm Warning	LMK	Hancock	27 min
Jan 30, 1:57 AM EST	Special Weather Statement	LMK	Butler, Logan, Ohio	58 min
Jan 30, 2:12 AM EST	Severe Thunderstorm Warning	LMK	Hancock, Meade	48 min
Jan 30, 2:30 AM EST	Severe Thunderstorm Warning	LMK	Breckinridge, Hancock, Ohio	30 min
Jan 30, 2:58 AM EST	Severe Thunderstorm Warning	LMK	Meade	47 min
Jan 30, 3:01 AM EST	Severe Thunderstorm Warning	LMK	Breckinridge, Grayson, Hancock, Meade, Ohio	44 min
Jan 30, 3:02 AM EST	Tornado Warning	LMK	Butler, Logan	28 min
Jan 30, 3:08 AM EST	Severe Thunderstorm Warning	LMK	Butler, Grayson, Ohio	27 min
Jan 30, 3:19 AM EST	Tornado Warning	LMK	Breckinridge, Meade	21 min
Jan 30, 3:25 AM EST	Tornado Warning	LMK	Butler, Grayson, Ohio	30 min
Jan 30, 3:32 AM EST	Severe Thunderstorm Warning	LMK	Butler, Edmonson, Grayson, Logan, Simpson, Warren	43 min
Jan 30, 3:35 AM EST	Severe Thunderstorm Warning	LMK	Breckinridge, Bullitt, Hardin, Jefferson, Meade	60 min
Jan 30, 3:46 AM EST	Severe Thunderstorm Warning	LMK	Grayson, Hardin	49 min
Jan 30, 4:09 AM EST	Tornado Warning	LMK	Bullitt, Hardin, Jefferson, Meade	21 min
Jan 30, 4:19 AM EST	Severe Thunderstorm Warning	LMK	Allen, Barren, Butler, Edmonson, Grayson, Hart and 2 more	46 min
Jan 30, 4:20 AM EST	Severe Thunderstorm Warning	LMK	Trimble	30 min
Jan 30, 4:23 AM EST	Tornado Warning	LMK	Bullitt, Jefferson	32 min
Jan 30, 4:26 AM EST	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Nelson, Shelby, Spencer	44 min
Jan 30, 4:31 AM EST	Severe Thunderstorm Warning	LMK	Henry, Jefferson, Oldham, Shelby, Trimble	39 min
Jan 30, 4:38 AM EST	Severe Thunderstorm Warning	LMK	Allen, Barren, Monroe, Warren	32 min
Jan 30, 4:54 AM EST	Severe Thunderstorm Warning	LMK	Barren, Edmonson, Hart	31 min
Jan 30, 5:05 AM EST	Tornado Warning	LMK	Henry	20 min
Jan 30, 5:06 AM EST	Severe Thunderstorm Warning	LMK	Adair, Barren, Cumberland, Green, Hart, Metcalfe and 2 more	39 min
Jan 30, 5:09 AM EST	Severe Thunderstorm Warning	LMK	Franklin, Shelby	31 min
Jan 30, 5:11 AM EST	Severe Thunderstorm Warning	LMK	Anderson, Franklin, Nelson, Shelby, Spencer	49 min
Jan 30, 5:11 AM EST	Tornado Warning	LMK	Adair, Cumberland, Metcalfe	29 min
Jan 30, 5:14 AM EST	Severe Thunderstorm Warning	LMK	Green, Larue, Marion, Mercer, Nelson, Taylor and 1 more	51 min
Jan 30, 5:30 AM EST	Severe Thunderstorm Warning	LMK	Adair, Casey, Clinton, Cumberland, Metcalfe, Russell and 1 more	40 min
Jan 30, 5:41 AM EST	Severe Thunderstorm Warning	LMK	Boyle, Casey, Marion, Taylor	29 min
Jan 30, 5:53 AM EST	Tornado Warning	LMK	Adair, Casey, Russell	32 min
Jan 30, 5:56 AM EST	Severe Thunderstorm Warning	LMK	Anderson, Bourbon, Fayette, Harrison, Jessamine, Mercer and 2 more	39 min
Jan 30, 5:57 AM EST	Tornado Warning	LMK	Boyle, Casey, Garrard, Lincoln, Marion	33 min
Jan 30, 6:07 AM EST	Severe Thunderstorm Warning	LMK	Casey, Garrard, Lincoln	28 min
Jan 30, 6:22 AM EST	Tornado Warning	LMK	Garrard, Madison	28 min
Jan 30, 6:30 AM EST	Severe Thunderstorm Warning	LMK	Bourbon, Clark, Fayette, Harrison, Jessamine, Madison and 1 more	40 min
Jan 30, 6:37 AM EST	Severe Thunderstorm Warning	LMK	Garrard, Madison	28 min
Jan 30, 6:40 AM EST	Tornado Warning	LMK	Bourbon, Clark	20 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2013 Every severe thunderstorm warning in 2013

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.