Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 4, NWS Louisville, KY

January 17, 2012Jefferson County, Indiana; Trimble County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jan 17, 2012, 10:34 AM EST for Jefferson County, Indiana; Trimble County, Kentucky. It was in force for 26 min. 4 reports 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 17, 2012, 10:34 AM EST (15:34 UTC)
Expired: Jan 17, 2012, 11:00 AM EST
In force: 26 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Jefferson County, IN, Trimble County, KY

The radar

The Louisville radar (KLVX), 98 km from the middle of the area, began a volume at 15:35 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 17, 10:40 AM EST	TSTM WND DMG	1 E Madison, IN	REPORT RELAYED FROM JKL NWS. ROOF TAKEN OFF BLDG. BARK OFF TELEPHONE POLES. DOOR TO GARAGE RIPPED OFF AN THROWN AROUND METAL POLE. DAMAGE LOCATED A MILE OR TWO WEST OF CLIFTY FALLS STATE PARKS NORTH ENTRANCE.
Jan 17, 10:40 AM EST	TORNADO	Madison, IN	EF-0 TORNADO TOUCHED DOWN AT MADISON COUNTY AIRPORT. DAMAGE WAS CONFINED TO IMS LN. THE DAMAGE PATH WAS 0.3 MILES LONG AND 60 YARDS WIDE. A LARGE DUMPSTER WAS MOVED 35 FEET AND AN AIRPLANE WAS SHIFTED. PART OF A HANGARS SIDING CAME OFF ALONG WITH A DISABLED AW
Jan 17, 10:49 AM EST	TSTM WND DMG	2 N Madison, IN	MAJOR BUILDING DAMAGE...ONE BUILDING LOST ROOF ON IN 62. POWER LINES AND TREES DOWN. WIND DAMAGE A MILE WIDE NEAR AIRPORT.
Jan 17, 10:49 AM EST	TSTM WND DMG	Madison, IN	DAMAGE TO BUILDING AT AIRPORT

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 3.6 hours before the alert went out and 161 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: 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.

114 
WUUS53 KLMK 171534
SVRLMK
INC077-KYC223-171600-
/O.NEW.KLMK.SV.W.0004.120117T1534Z-120117T1600Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1034 AM EST TUE JAN 17 2012

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN TRIMBLE COUNTY IN NORTH CENTRAL KENTUCKY...
  JEFFERSON COUNTY IN SOUTH CENTRAL INDIANA...

* UNTIL 1100 AM EST

* AT 1034 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 WAKEFIELD...MOVING EAST AT
  55 MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

* THE SEVERE THUNDERSTORM WILL ALSO IMPACT...
  MADISON...
  NORTH MADISON AND MADISON MUNICIPAL AIRPORT...
  RINGWALD AND MILTON...
  MANVILLE AND BROOKSBURG...

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 3869 8520 3869 8521 3874 8526 3873 8532
      3869 8530 3870 8561 3871 8564 3873 8565
      3873 8566 3883 8565 3883 8562 3885 8562
      3886 8558 3887 8558 3890 8520
TIME...MOT...LOC 1534Z 270DEG 46KT 3877 8554
WIND...HAIL 60MPH 0.75IN

$$

MP

2 follow-up statements

772 
WWUS53 KLMK 171544
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1044 AM EST TUE JAN 17 2012

INC077-KYC223-171600-
/O.CON.KLMK.SV.W.0004.000000T0000Z-120117T1600Z/
JEFFERSON IN-TRIMBLE KY-
1044 AM EST TUE JAN 17 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 AM EST
FOR NORTHWESTERN TRIMBLE AND JEFFERSON COUNTIES...

AT 1043 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 MADISON MUNICIPAL
AIRPORT...MOVING EAST AT 50 MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY
THESE DAMAGING WINDS.

* THE SEVERE THUNDERSTORM WILL ALSO IMPACT...
  MADISON...
  MANVILLE AND BROOKSBURG...

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 3869 8520 3869 8521 3874 8526 3873 8532
      3869 8530 3870 8556 3888 8548 3890 8520
TIME...MOT...LOC 1544Z 270DEG 46KT 3876 8538
WIND...HAIL 60MPH 0.75IN

$$

MP

323 
WWUS53 KLMK 171602
SVSLMK

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1102 AM EST TUE JAN 17 2012

INC077-KYC223-171610-
/O.EXP.KLMK.SV.W.0004.000000T0000Z-120117T1600Z/
JEFFERSON IN-TRIMBLE KY-
1102 AM EST TUE JAN 17 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN TRIMBLE AND
JEFFERSON COUNTIES HAS EXPIRED...

THE STORMS THAT PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED 
AREA. THERE HAVE BEEN REPORTS OF DAMAGE IN THE TOWN OF MADISON AT 
THE AIRPORT.

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 3869 8520 3869 8521 3874 8526 3873 8532
      3869 8530 3870 8556 3888 8548 3890 8520
TIME...MOT...LOC 1544Z 270DEG 46KT 3876 8538

$$

MP

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 17, 9:29 AM EST	Severe Thunderstorm Warning	LMK	Orange, Washington	31 min
Jan 17, 9:31 AM EST	Severe Thunderstorm Warning	LMK	Crawford, Dubois, Orange, Perry	44 min
Jan 17, 9:54 AM EST	Special Weather Statement	LMK	Orange, Washington	36 min
Jan 17, 10:02 AM EST	Special Weather Statement	LMK	Washington	28 min
Jan 17, 10:14 AM EST	Severe Thunderstorm Warning	LMK	Crawford, Harrison, Perry	31 min
Jan 17, 10:24 AM EST	Special Weather Statement	LMK	Jefferson	36 min
Jan 17, 10:27 AM EST	Special Weather Statement	LMK	Perry	33 min
Jan 17, 10:27 AM EST	Tornado Warning	LMK	Crawford, Floyd, Harrison, Perry	43 days
Jan 17, 10:30 AM EST	Special Weather Statement	LMK	Clark, Scott, Washington	30 min
Jan 17, 10:43 AM EST	Severe Thunderstorm Warning	LMK	Crawford, Harrison	17 min
Jan 17, 10:50 AM EST	Severe Thunderstorm Warning	LMK	Perry	25 min
Jan 17, 10:54 AM EST	Tornado Warning	LMK	Clark, Floyd, Harrison	36 min
Jan 17, 10:57 AM EST	Severe Thunderstorm Warning	LMK	Harrison, Perry	18 min
Jan 17, 11:02 AM EST	Special Weather Statement	LMK	Clark	28 min
Jan 17, 11:07 AM EST	Severe Thunderstorm Warning	LMK	Harrison	23 min
Jan 17, 11:19 AM EST	Severe Thunderstorm Warning	LMK	Harrison	26 min
Jan 17, 11:00 AM EST	Special Weather Statement	LMK	Jefferson	30 min
Jan 17, 11:11 AM EST	Severe Thunderstorm Warning	LMK	Breckinridge, Grayson, Hancock, Ohio	19 min
Jan 17, 11:20 AM EST	Tornado Warning	LMK	Jefferson, Shelby, Spencer	25 min
Jan 17, 11:23 AM EST	Severe Thunderstorm Warning	LMK	Bullitt, Jefferson, Nelson, Spencer	37 min
Jan 17, 11:25 AM EST	Severe Thunderstorm Warning	LMK	Henry, Oldham, Trimble	35 min
Jan 17, 11:29 AM EST	Tornado Warning	LMK	Breckinridge, Grayson, Hardin	16 min
Jan 17, 11:42 AM EST	Severe Thunderstorm Warning	LMK	Shelby, Spencer	18 min
Jan 17, 11:44 AM EST	Severe Thunderstorm Warning	LMK	Breckinridge, Bullitt, Hardin, Larue, Meade, Nelson	31 min
Jan 17, 11:52 AM EST	Severe Thunderstorm Warning	LMK	Anderson, Fayette, Franklin, Scott, Shelby, Spencer and 1 more	23 min
Jan 17, 12:06 PM EST	Special Weather Statement	LMK	Grayson, Larue	24 min
Jan 17, 12:07 PM EST	Severe Thunderstorm Warning	LMK	Anderson, Mercer, Nelson, Spencer, Washington	23 min
Jan 17, 12:14 PM EST	Special Weather Statement	LMK	Bourbon, Clark, Fayette, Scott, Woodford	31 min
Jan 17, 12:16 PM EST	Special Weather Statement	LMK	Logan	29 min
Jan 17, 12:24 PM EST	Severe Thunderstorm Warning	LMK	Grayson, Green, Hardin, Hart, Larue, Nelson and 1 more	36 min
Jan 17, 12:27 PM EST	Tornado Warning	LMK	Grayson, Green, Hardin, Hart, Larue	33 min
Jan 17, 12:28 PM EST	Severe Thunderstorm Warning	LMK	Butler, Logan, Warren	17 min
Jan 17, 12:39 PM EST	Special Weather Statement	LMK	Edmonson, Hart	36 min
Jan 17, 12:46 PM EST	Severe Thunderstorm Warning	LMK	Allen, Barren, Edmonson, Warren	29 min
Jan 17, 12:48 PM EST	Special Weather Statement	LMK	Simpson	27 min
Jan 17, 12:50 PM EST	Special Weather Statement	LMK	Bourbon, Clark, Fayette, Nicholas	25 min
Jan 17, 12:56 PM EST	Tornado Warning	LMK	Warren	19 min
Jan 17, 1:10 PM EST	Special Weather Statement	LMK	Casey, Green, Taylor	35 min
Jan 17, 1:12 PM EST	Special Weather Statement	LMK	Allen, Barren, Metcalfe, Simpson	33 min
Jan 17, 1:14 PM EST	Special Weather Statement	LMK	Madison	31 min
Jan 17, 1:14 PM EST	Severe Thunderstorm Warning	LMK	Allen, Simpson	16 min
Jan 17, 1:16 PM EST	Special Weather Statement	LMK	Garrard	44 min
Jan 17, 1:20 PM EST	Tornado Warning	LMK	Allen, Simpson	25 min
Jan 17, 1:25 PM EST	Severe Thunderstorm Warning	LMK	Boyle, Garrard, Lincoln, Madison	35 min
Jan 17, 1:26 PM EST	Severe Thunderstorm Warning	LMK	Clark, Madison	19 min
Jan 17, 1:30 PM EST	Severe Thunderstorm Warning	LMK	Adair, Casey, Green, Hart, Marion, Taylor	30 min
Jan 17, 1:43 PM EST	Tornado Warning	LMK	Allen, Barren, Monroe	32 min
Jan 17, 1:52 PM EST	Severe Thunderstorm Warning	LMK	Casey, Lincoln	23 min
Jan 17, 1:59 PM EST	Severe Thunderstorm Warning	LMK	Adair, Casey, Russell, Taylor	31 min
Jan 17, 2:13 PM EST	Tornado Warning	LMK	Cumberland, Monroe	13 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2012 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.