Alert archive / Kentucky / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 21, NWS Louisville, KY

February 28, 2011Bourbon County, Harrison County, Nicholas County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Feb 28, 2011, 5:37 AM EST for Bourbon County, Harrison County, Nicholas County, Kentucky. It was in force for 53 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 28, 2011, 5:37 AM EST (10:37 UTC)
Expired: Feb 28, 2011, 6:30 AM EST
In force: 53 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.88 in
Wind: 70.0 mph

Counties Bourbon County, KY, Harrison County, KY, Nicholas County, KY

The radar

The Cincinnati radar (KILN), 113 km from the middle of the area, began a volume at 10:38 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 28, 2:33 AM EST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 10.6 hours before the alert went out and 114 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: 539 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 325 m²/s²
0-3 km storm-relative helicity: 380 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

893 
WUUS53 KLMK 281037
SVRLMK
KYC017-097-181-281130-
/O.NEW.KLMK.SV.W.0021.110228T1037Z-110228T1130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
537 AM EST MON FEB 28 2011

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN BOURBON COUNTY IN EAST CENTRAL KENTUCKY...
  HARRISON COUNTY IN EAST CENTRAL KENTUCKY...
  NICHOLAS COUNTY IN EAST CENTRAL KENTUCKY...

* UNTIL 630 AM EST

* AT 536 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
  IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM COLEMANSVILLE TO CONNERSVILLE...MOVING EAST AT 30
  MPH. NICKEL SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

* SEVERE THUNDERSTORMS WILL ALSO IMPACT...
  CYNTHIANA...
  CARLISLE...
  KELAT AND ROBINSON...
  ANTIOCH AND BRENTSVILLE...
  SUNRISE AND COLVILLE...
  BUENA VISTA AND VENUS...

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.

TO REPORT DAMAGING WINDS...LARGE HAIL...OR FLOODING 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 3821 8395 3821 8442 3851 8451 3854 8449
      3854 8444 3857 8442 3857 8437 3858 8422
      3857 8420 3855 8422 3848 8416 3843 8399
      3843 8395 3842 8394
TIME...MOT...LOC 1038Z 271DEG 28KT 3851 8440 3836 8440
WIND...HAIL 70MPH 0.88IN

$$

MJ

3 follow-up statements

887 
WWUS53 KLMK 281100
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
600 AM EST MON FEB 28 2011

KYC017-097-181-281130-
/O.CON.KLMK.SV.W.0021.000000T0000Z-110228T1130Z/
HARRISON KY-NICHOLAS KY-BOURBON KY-
600 AM EST MON FEB 28 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 AM EST
FOR NORTHERN BOURBON...NICHOLAS AND SOUTHEASTERN HARRISON COUNTIES...

AT 555 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM BUENA VISTA TO JACKSONVILLE...MOVING EAST
AT 30 MPH. NICKEL SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

* SEVERE THUNDERSTORMS WILL ALSO IMPACT...
  PARIS...
  CYNTHIANA...
  CARLISLE...
  KISERTON AND HOOKTOWN...
  HEADQUARTERS AND BARTERVILLE...
  ELLISVILLE AND MILLERSBURG...
  BLACKS CROSSROADS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT DAMAGING WINDS...LARGE HAIL...OR FLOODING 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 3821 8395 3821 8442 3836 8445 3843 8429
      3850 8418 3848 8416 3843 8399 3843 8395
      3842 8394
TIME...MOT...LOC 1100Z 271DEG 28KT 3845 8410 3828 8432
WIND...HAIL 70MPH 0.88IN

$$

MJ

336 
WWUS53 KLMK 281114
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
614 AM EST MON FEB 28 2011

KYC097-281124-
/O.CAN.KLMK.SV.W.0021.000000T0000Z-110228T1130Z/
HARRISON KY-
614 AM EST MON FEB 28 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN HARRISON COUNTY IS
CANCELLED...

TO REPORT DAMAGING WINDS...LARGE HAIL...OR FLOODING 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 3821 8395 3821 8442 3828 8443 3828 8439
      3829 8438 3828 8435 3831 8428 3846 8409
      3843 8399 3843 8395 3842 8394
TIME...MOT...LOC 1114Z 271DEG 28KT 3844 8396 3828 8418

$$

KYC017-181-281130-
/O.CON.KLMK.SV.W.0021.000000T0000Z-110228T1130Z/
NICHOLAS KY-BOURBON KY-
614 AM EST MON FEB 28 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 AM EST
FOR NORTHERN BOURBON AND NICHOLAS COUNTIES...

AT 609 AM EST...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED 
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM ELLISVILLE TO CURRENTSVILLE...MOVING EAST
AT 30 MPH. NICKEL SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

* SEVERE THUNDERSTORMS WILL ALSO IMPACT...
  PARIS...
  CARLISLE...
  BLACKS CROSSROADS...
  JACKSTOWN AND MYERS...
  WESTON AND EAST UNION...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPORT DAMAGING WINDS...LARGE HAIL...OR FLOODING 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 3821 8395 3821 8442 3828 8443 3828 8439
      3829 8438 3828 8435 3831 8428 3846 8409
      3843 8399 3843 8395 3842 8394
TIME...MOT...LOC 1114Z 271DEG 28KT 3844 8396 3828 8418
WIND...HAIL 70MPH 0.88IN

$$

MJ

432 
WWUS53 KLMK 281127
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
627 AM EST MON FEB 28 2011

KYC017-181-281137-
/O.EXP.KLMK.SV.W.0021.000000T0000Z-110228T1130Z/
NICHOLAS KY-BOURBON KY-
627 AM EST MON FEB 28 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN BOURBON AND NICHOLAS
COUNTIES WILL EXPIRE AT 630 AM EST...

TO REPORT DAMAGING WINDS...LARGE HAIL...OR FLOODING 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 3821 8395 3821 8442 3828 8443 3828 8439
      3829 8438 3828 8435 3831 8428 3846 8409
      3843 8399 3843 8395 3842 8394
TIME...MOT...LOC 1127Z 271DEG 28KT 3844 8383 3828 8405

$$

MJ

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 28, 4:17 AM EST	Tornado Warning	LMK	Oldham	28 min
Feb 28, 4:25 AM EST	Severe Thunderstorm Warning	LMK	Henry, Jefferson, Oldham, Shelby	35 min
Feb 28, 4:31 AM EST	Tornado Warning	LMK	Jefferson, Oldham	29 min
Feb 28, 4:47 AM EST	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Jefferson, Meade, Nelson, Spencer	43 min
Feb 28, 4:47 AM EST	Tornado Warning	LMK	Henry, Oldham	30 min
Feb 28, 4:53 AM EST	Severe Thunderstorm Warning	LMK	Breckinridge, Hancock, Hardin, Ohio	37 min
Feb 28, 4:56 AM EST	Severe Thunderstorm Warning	LMK	Franklin, Henry, Scott, Shelby	49 min
Feb 28, 5:20 AM EST	Tornado Warning	LMK	Franklin, Scott	25 min
Feb 28, 5:23 AM EST	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Larue, Meade, Nelson	37 min
Feb 28, 5:58 AM EST	Severe Thunderstorm Warning	LMK	Bourbon, Clark, Fayette, Scott, Woodford	32 min
Feb 28, 6:06 AM EST	Severe Thunderstorm Warning	LMK	Boyle, Garrard, Jessamine, Lincoln, Marion, Mercer and 2 more	39 min
Feb 28, 6:10 AM EST	Severe Thunderstorm Warning	LMK	Adair, Boyle, Casey, Edmonson, Green, Hart and 4 more	50 min
Feb 28, 6:12 AM EST	Severe Thunderstorm Warning	LMK	Clark, Fayette, Jessamine, Mercer, Woodford	33 min
Feb 28, 6:34 AM EST	Severe Thunderstorm Warning	LMK	Clark, Fayette, Garrard, Madison	41 min
Feb 28, 6:38 AM EST	Severe Thunderstorm Warning	LMK	Adair, Allen, Barren, Edmonson, Green, Hart and 4 more	22 min
Feb 28, 6:44 AM EST	Severe Thunderstorm Warning	LMK	Boyle, Casey, Garrard, Jessamine, Lincoln, Mercer	31 min
Feb 28, 6:45 AM EST	Severe Thunderstorm Warning	LMK	Clark	30 min
Feb 28, 6:48 AM EST	Tornado Warning	LMK	Garrard, Lincoln	27 min
Feb 28, 6:55 AM EST	Tornado Warning	LMK	Adair, Barren, Green, Hart, Metcalfe	9 min
Feb 28, 7:00 AM EST	Tornado Warning	LMK	Adair, Casey, Lincoln, Russell, Taylor	30 min
Feb 28, 7:02 AM EST	Severe Thunderstorm Warning	LMK	Adair, Allen, Barren, Casey, Cumberland, Green and 6 more	28 min
Feb 28, 7:27 AM EST	Severe Thunderstorm Warning	LMK	Adair, Allen, Casey, Clinton, Cumberland, Metcalfe and 2 more	33 min
Feb 28, 7:58 AM EST	Severe Thunderstorm Warning	LMK	Clinton, Cumberland, Monroe, Russell	32 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2011 Every severe thunderstorm warning in 2011

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.