Alert archive / Kentucky / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 21, NWS Louisville, KY

February 20, 20146 counties in Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Feb 20, 2014, 10:58 PM EST for 6 counties in Kentucky. It was in force for 32 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: Feb 20, 2014, 10:58 PM EST (03:58 UTC)
Expired: Feb 20, 2014, 11:30 PM EST
In force: 32 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Bullitt County, KY, Henry County, KY, Jefferson County, KY, Oldham County, KY, Shelby County, KY, Spencer County, KY

The radar

The Louisville radar (KLVX), 65 km from the middle of the area, began a volume at 03:58 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
Feb 20, 6:45 PM EST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 4.0 hours before the alert went out and 183 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: 1388 m above ground
0-6 km bulk shear: 74 kt
0-1 km storm-relative helicity: 487 m²/s²
0-3 km storm-relative helicity: 629 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.

896 
WUUS53 KLMK 210358
SVRLMK
KYC029-103-111-185-211-215-210430-
/O.NEW.KLMK.SV.W.0021.140221T0358Z-140221T0430Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1058 PM EST THU FEB 20 2014

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN BULLITT COUNTY IN NORTH CENTRAL KENTUCKY...
  SOUTHERN HENRY COUNTY IN NORTH CENTRAL KENTUCKY...
  EASTERN JEFFERSON COUNTY IN NORTH CENTRAL KENTUCKY...
  SOUTHEASTERN OLDHAM COUNTY IN NORTH CENTRAL KENTUCKY...
  SHELBY COUNTY IN NORTH CENTRAL KENTUCKY...
  NORTHERN SPENCER COUNTY IN NORTH CENTRAL KENTUCKY...

* UNTIL 1130 PM EST

* AT 1054 PM EST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM MIDDLETOWN TO 8 MILES SOUTHEAST OF FERN CREEK...AND
  MOVING EAST AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED.

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.

* LOCATIONS IMPACTED INCLUDE...
  TAYLORSVILLE...SHELBYVILLE...NEW CASTLE...CRENSHAW...CENTERFIELD...
  L S PARK...WATERFORD...CONNER...WILSONVILLE...TODDS POINT...
  SIMPSONVILLE...BALLARDSVILLE...LIRO...ELK CREEK...MONTCLAIR...
  TARASCON...NORMANDY...YODER...JERICHO AND FINCHVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.  A TORNADO WATCH 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 3842 8532 3848 8498 3800 8515 3803 8557
      3831 8550
TIME...MOT...LOC 0358Z 262DEG 34KT 3827 8541 3806 8548

HAIL...<.75IN
WIND...60MPH

$$

AMS

2 follow-up statements

159 
WWUS53 KLMK 210424 RRA
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1124 PM EST THU FEB 20 2014

KYC029-111-185-210434-
/O.CAN.KLMK.SV.W.0021.000000T0000Z-140221T0430Z/
JEFFERSON KY-OLDHAM KY-BULLITT KY-
1124 PM EST THU FEB 20 2014

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BULLITT...
SOUTHEASTERN OLDHAM AND EASTERN JEFFERSON COUNTIES IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE 
WARNED AREA.

LAT...LON 3828 8516 3846 8509 3848 8498 3800 8515
      3801 8532
TIME...MOT...LOC 0424Z 262DEG 34KT 3822 8508 3801 8516

$$

KYC103-211-215-210430-
/O.CON.KLMK.SV.W.0021.000000T0000Z-140221T0430Z/
SHELBY KY-SPENCER KY-HENRY KY-
1124 PM EST THU FEB 20 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
HENRY...EAST CENTRAL SPENCER AND EASTERN SHELBY COUNTIES UNTIL 1130
PM EST...

AT 1121 PM EST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES EAST OF SHELBYVILLE TO 8 MILES EAST OF
TAYLORSVILLE...AND MOVING EAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.

LOCATIONS IMPACTED INCLUDE...
ELMBURG...BETHLEHEM...DEFOE...FRANKLINTON AND SLABTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT
IMMEDIATELY LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE
TO A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT
OR SMALL INTERIOR ROOM.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3828 8516 3846 8509 3848 8498 3800 8515
      3801 8532
TIME...MOT...LOC 0424Z 262DEG 34KT 3822 8508 3801 8516

HAIL...<.75IN
WIND...60MPH

$$

AMS

039 
WWUS53 KLMK 210428
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1128 PM EST THU FEB 20 2014

KYC103-211-215-210438-
/O.EXP.KLMK.SV.W.0021.000000T0000Z-140221T0430Z/
SHELBY KY-SPENCER KY-HENRY KY-
1128 PM EST THU FEB 20 2014

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL HENRY...EAST CENTRAL
SPENCER AND EASTERN SHELBY COUNTIES WILL EXPIRE AT 1130 PM EST/1030
PM CST/...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE
WARNED AREA.

LAT...LON 3828 8516 3846 8509 3848 8498 3800 8515
      3801 8532
TIME...MOT...LOC 0428Z 262DEG 34KT 3814 8501 3793 8510

$$

AMS

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 20, 7:06 PM EST	Severe Thunderstorm Warning	LMK	Butler, Edmonson, Grayson, Hart	24 min
Feb 20, 7:31 PM EST	Special Weather Statement	LMK	Hart	29 min
Feb 20, 8:10 PM EST	Special Weather Statement	LMK	Simpson, Warren	30 min
Feb 20, 8:18 PM EST	Special Weather Statement	LMK	Edmonson, Warren	32 min
Feb 20, 8:23 PM EST	Severe Thunderstorm Warning	LMK	Allen, Simpson, Warren	32 min
Feb 20, 8:28 PM EST	Tornado Warning	LMK	Simpson, Warren	22 min
Feb 20, 8:31 PM EST	Tornado Warning	LMK	Allen, Simpson	29 min
Feb 20, 8:47 PM EST	Special Weather Statement	LMK	Hart	33 min
Feb 20, 8:47 PM EST	Severe Thunderstorm Warning	LMK	Hancock	28 min
Feb 20, 8:57 PM EST	Severe Thunderstorm Warning	LMK	Allen, Barren, Green, Metcalfe, Monroe	28 min
Feb 20, 9:21 PM EST	Severe Thunderstorm Warning	LMK	Allen, Barren, Warren	19 min
Feb 20, 9:25 PM EST	Severe Thunderstorm Warning	LMK	Allen, Barren	30 min
Feb 20, 9:35 PM EST	Areal Flood Advisory	LMK	Trimble	3 hr
Feb 20, 9:41 PM EST	Severe Thunderstorm Warning	LMK	Allen, Monroe	19 min
Feb 20, 9:56 PM EST	Severe Thunderstorm Warning	LMK	Breckinridge, Butler, Grayson, Hardin, Meade, Ohio	29 min
Feb 20, 10:02 PM EST	Severe Thunderstorm Warning	LMK	Jefferson	28 min
Feb 20, 10:03 PM EST	Severe Thunderstorm Warning	LMK	Adair, Clinton, Cumberland, Green, Metcalfe, Monroe and 2 more	32 min
Feb 20, 10:05 PM EST	Severe Thunderstorm Warning	LMK	Trimble	30 min
Feb 20, 10:27 PM EST	Special Weather Statement	LMK	Edmonson, Grayson, Hardin	28 min
Feb 20, 10:27 PM EST	Severe Thunderstorm Warning	LMK	Adair, Casey, Clinton, Cumberland, Russell	28 min
Feb 20, 10:28 PM EST	Special Weather Statement	LMK	Boyle, Casey, Garrard, Jessamine, Lincoln	32 min
Feb 20, 10:28 PM EST	Severe Thunderstorm Warning	LMK	Bullitt, Jefferson	32 min
Feb 20, 10:34 PM EST	Tornado Warning	LMK	Adair, Casey, Russell	21 min
Feb 20, 10:40 PM EST	Special Weather Statement	LMK	Henry, Trimble	30 min
Feb 20, 10:47 PM EST	Severe Thunderstorm Warning	LMK	Boyle, Casey, Clark, Fayette, Garrard, Jessamine and 2 more	28 min
Feb 20, 10:53 PM EST	Severe Thunderstorm Warning	LMK	Henry, Trimble	32 min
Feb 20, 10:54 PM EST	Severe Thunderstorm Warning	LMK	Clinton	21 min
Feb 20, 11:02 PM EST	Tornado Warning	LMK	Garrard, Madison	23 min
Feb 20, 11:04 PM EST	Tornado Warning	LMK	Bourbon, Clark, Fayette, Nicholas	26 min
Feb 20, 11:09 PM EST	Special Weather Statement	LMK	Anderson, Green, Hart, Larue, Marion, Nelson and 1 more	31 min
Feb 20, 11:11 PM EST	Severe Thunderstorm Warning	LMK	Bourbon, Clark, Garrard, Madison	24 min
Feb 20, 11:21 PM EST	Severe Thunderstorm Warning	LMK	Franklin, Henry, Scott, Shelby	29 min
Feb 20, 11:26 PM EST	Special Weather Statement	LMK	Anderson, Franklin, Woodford	29 min
Feb 20, 11:42 PM EST	Special Weather Statement	LMK	Adair, Anderson, Boyle, Green, Jessamine, Marion and 3 more	28 min
Feb 20, 11:51 PM EST	Special Weather Statement	LMK	Bourbon, Fayette, Harrison, Nicholas, Scott, Woodford	44 min
Feb 21, 12:11 AM EST	Special Weather Statement	LMK	Adair, Boyle, Casey, Clark, Garrard, Jessamine and 3 more	44 min
Feb 21, 12:56 PM EST	River Flood Warning	LMK	Bourbon	21 hr

Nearby

Severe Thunderstorm Warnings in Kentucky, 2014 Every severe thunderstorm warning in 2014

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.