Alert archive / Indiana / Tornado Warnings in 2011

Tornado Warning 3, NWS Louisville, KY

February 28, 2011Dubois County, Indiana

NWS Louisville, KY issued this tornado warning at Feb 28, 2011, 3:21 AM EST for Dubois County, Indiana. It was in force for 24 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: Feb 28, 2011, 3:21 AM EST (08:21 UTC)
Expired: Feb 28, 2011, 3:45 AM EST
In force: 24 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon

County Dubois County, IN

The radar

The Evansville,IN radar (KVWX), 74 km from the middle of the area, began a volume at 08:23 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
Feb 28, 3:23 AM EST	TSTM WND GST 65	Ireland, IN
Feb 28, 3:27 AM EST	TSTM WND DMG	Celestine, IN	ROOF BLOWN OFF OF A HOUSE.
Feb 28, 3:27 AM EST	TSTM WND DMG	Jasper, IN	POWER OUTAGES IN JASPER. REPORTED BY WAVE AND WEHT.
Feb 28, 3:32 AM EST	TSTM WND DMG	5 Ne Celestine, IN	4-5 HOMES DAMAGED OR DESTROYED IN ELLSWORTH. SEVERAL INJURIES.

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
Feb 28, 2:33 AM EST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 8.4 hours before the alert went out and 244 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: 184 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 1385 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 245 m²/s²
0-3 km storm-relative helicity: 304 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

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

921 
WFUS53 KLMK 280821
TORLMK
INC037-280845-
/O.NEW.KLMK.TO.W.0003.110228T0821Z-110228T0845Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
321 AM EST MON FEB 28 2011

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  DUBOIS COUNTY IN SOUTH CENTRAL INDIANA...

* UNTIL 345 AM EST...

* AT 319 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR IRELAND...MOVING EAST AT 65 MPH.

* THIS TORNADIC STORM WILL ALSO IMPACT...
  JASPER...
  CELESTINE AND SCHNELLVILLE...
  BIRDSEYE AND MENTOR...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...WIDESPREAD DAMAGING WINDS IN EXCESS OF
70 MPH ARE LIKELY. SEEK SHELTER NOW!

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A VEHICLE OR OUTDOORS...MOVE TO
THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT YOURSELF FROM FLYING
DEBRIS.

TAKE COVER NOW! TORNADOES AT NIGHT CAN BE EXTREMELY DANGEROUS. DO NOT
WAIT UNTIL YOU SEE OR HEAR THE TORNADO. IT MAY BE TOO LATE.

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 3849 8708 3852 8670 3825 8669 3824 8679
      3821 8680 3820 8681 3820 8690 3821 8709
TIME...MOT...LOC 0821Z 272DEG 56KT 3837 8696

$$

MP

1 follow-up statement

955 
WWUS53 KLMK 280845
SVSLMK

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

INC037-280853-
/O.EXP.KLMK.TO.W.0003.000000T0000Z-110228T0845Z/
DUBOIS IN-
345 AM EST MON FEB 28 2011

...THE TORNADO WARNING FOR DUBOIS COUNTY WILL EXPIRE AT 345 AM EST...

THE STORMS THAT PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED 
AREA. HOWEVER...STRONG NORTHWESTERLY GRADIENT WINDS WILL CONTINUE 
ACROSS THE AREA.

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 3849 8708 3852 8670 3825 8669 3824 8679
      3821 8680 3820 8681 3820 8690 3821 8709
TIME...MOT...LOC 0843Z 272DEG 56KT 3835 8652

$$

MP

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 28, 3:09 AM EST	Severe Thunderstorm Warning	LMK	Crawford, Dubois, Harrison, Orange, Perry, Washington	51 min
Feb 28, 3:31 AM EST	Tornado Warning	LMK	Crawford, Harrison, Orange, Washington	29 min
Feb 28, 4:01 AM EST	Severe Thunderstorm Warning	LMK	Clark, Crawford, Floyd, Harrison, Scott, Washington	30 min
Feb 28, 4:17 AM EST	Tornado Warning	LMK	Clark, Floyd	28 min
Feb 28, 4:25 AM EST	Severe Thunderstorm Warning	LMK	Clark, Floyd	35 min
Feb 28, 4:31 AM EST	Tornado Warning	LMK	Clark	29 min
Feb 28, 4:47 AM EST	Severe Thunderstorm Warning	LMK	Harrison	43 min

Nearby

Tornado Warnings in Indiana, 2011 Every tornado warning in 2011 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.