Alert archive / Indiana / Tornado Warnings in 2011

Tornado Warning 4, NWS Louisville, KY

February 28, 20114 counties in Indiana

NWS Louisville, KY issued this tornado warning at Feb 28, 2011, 3:31 AM EST for 4 counties in Indiana. It was in force for 29 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, 3:31 AM EST (08:31 UTC)
Expired
Feb 28, 2011, 4:00 AM EST
In force
29 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon

Counties Crawford County, IN, Harrison County, IN, Orange County, IN, Washington County, IN

What was reported inside it

TimeReportWhereRemark
Feb 28, 3:46 AM ESTTSTM WND DMG2 N Valeene, INSTRAIGHT LINE WIND DAMAGE AT 3 SEPARATE POINTS JUST NORTH OF VALEENE. ABOUT 2 MILES NORTHWEST OF VALEENE...AN OUTBUILDING WAS DESTROYED AND A LARGE CEDAR TREE WAS UPROOTED. THE CEDAR TREE BROKE AN ELECTRIC POLE AND PULLED WIRES DOWN TO THE GROUND. ABOUT 2.7 MI
Feb 28, 3:48 AM ESTTSTM WND GST 60English, INDIME SIZE HAIL ALSO REPORTED.
Feb 28, 3:50 AM ESTTSTM WND DMG2 S Marengo, INSTATE ROAD 66 SOUTH OF MARENGO IS CLOSED DUE TO POWER LINES DOWN ON THE ROAD.
Feb 28, 4:05 AM ESTTSTM WND DMGRosebud, INTHREE MODULAR HOMES WITH ROOF DAMAGE.

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.

IssuedProductOfficeLasted
Feb 28, 2:33 AM ESTTornado WatchSPC7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 8.5 hours before the alert went out and 239 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-pSkew-T log-p diagram, Cncnati-Daytn, OH at 00:00Z on 2011-02-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2011-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 325 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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.

307 
WFUS53 KLMK 280831
TORLMK
INC025-061-117-175-280900-
/O.NEW.KLMK.TO.W.0004.110228T0831Z-110228T0900Z/

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

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  CRAWFORD COUNTY IN SOUTH CENTRAL INDIANA...
  NORTHWESTERN HARRISON COUNTY IN SOUTH CENTRAL INDIANA...
  ORANGE COUNTY IN SOUTH CENTRAL INDIANA...
  WESTERN WASHINGTON COUNTY IN SOUTH CENTRAL INDIANA...

* UNTIL 400 AM EST...

* AT 327 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 7 MILES WEST OF NORTON...MOVING EAST AT 65 MPH.

* THIS TORNADIC STORM WILL ALSO IMPACT...
  PAOLI...
  SALEM...
  ENGLISH...
  YOUNGS CREEK AND GREENBRIER...
  CHAMBERSBURG AND PINE VALLEY...
  TROTTER CROSSING AND REGO...
  ROSEBUD AND BECKS MILL...

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 3878 8617 3879 8609 3824 8608 3826 8668
      3837 8669 3838 8670 3868 8670 3869 8633
      3873 8633 3878 8628 3878 8624 3879 8622
TIME...MOT...LOC 0831Z 266DEG 60KT 3849 8672

$$

MP
1 follow-up statement
057 
WWUS53 KLMK 280902
SVSLMK

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

INC025-061-117-175-280912-
/O.EXP.KLMK.TO.W.0004.000000T0000Z-110228T0900Z/
WASHINGTON IN-ORANGE IN-CRAWFORD IN-HARRISON IN-
402 AM EST MON FEB 28 2011

...THE TORNADO WARNING FOR NORTHWESTERN HARRISON...CRAWFORD...ORANGE
AND WESTERN WASHINGTON COUNTIES HAS EXPIRED...

THE STORMS THAT PROMPTED THE WARNING HAVE WEAKENED AND ARE NO LONGER
SEVERE. HOWEVER STRONG STORMS REMAIN IN THE AREA. THESE ARE CAPABLE
OF PRODUCING PERIODS OF HEAVY RAIN AND DANGEROUS LIGHTNING.

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 3878 8617 3879 8609 3824 8608 3826 8668
      3837 8669 3838 8670 3868 8670 3869 8633
      3873 8633 3878 8628 3878 8624 3879 8622
TIME...MOT...LOC 0831Z 266DEG 60KT 3848 8672

$$

MP

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 28, 3:09 AM ESTSevere Thunderstorm WarningLMKCrawford, Dubois, Harrison, Orange, Perry, Washington51 min
Feb 28, 3:21 AM ESTTornado WarningLMKDubois24 min
Feb 28, 4:01 AM ESTSevere Thunderstorm WarningLMKClark, Crawford, Floyd, Harrison, Scott, Washington30 min
Feb 28, 4:17 AM ESTTornado WarningLMKClark, Floyd28 min
Feb 28, 4:25 AM ESTSevere Thunderstorm WarningLMKClark, Floyd35 min
Feb 28, 4:31 AM ESTTornado WarningLMKClark29 min
Feb 28, 4:47 AM ESTSevere Thunderstorm WarningLMKHarrison43 min

Nearby

Tornado Warnings in Indiana, 2011Every tornado warning in 2011Tornadoes 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.