Alert archive / Indiana / Tornado Warnings in 2011

Tornado Warning 39, NWS Wilmington, OH

May 23, 2011Dearborn County, Franklin County, Indiana

NWS Wilmington, OH issued this tornado warning at May 23, 2011, 6:42 PM EDT for Dearborn County, Franklin County, Indiana. It was in force for 33 min. 3 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
May 23, 2011, 6:42 PM EDT (22:42 UTC)
Expired
May 23, 2011, 7:15 PM EDT
In force
33 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon

Counties Dearborn County, IN, Franklin County, IN

The radar

The Cincinnati radar (KILN), 102 km from the middle of the area, began a volume at 22:42 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

TimeReportWhereRemark
May 23, 6:47 PM EDTTSTM WND GST 558 S Brookville, IN
May 23, 6:51 PM EDTTSTM WND GST 65Guilford, INTREES DOWN ALONG STATE ROUTE 1. WIND GUST ESTIMATED.
May 23, 6:55 PM EDTTSTM WND DMGMoores Hill, INTREES/LARGE LIMBS DOWNED

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
May 23, 4:28 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.7 hours before the alert went out and 104 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 12:00Z on 2011-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 170 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 12:00Z on 2011-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 square meters per square second.19395878Sfc1 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
170 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
776 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
246 m²/s²
Significant tornado parameter
0.2
Supercell composite
0.9

Open this sounding in Storm Lab

The text

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

669 
WFUS51 KILN 232242
TORILN
INC029-047-232315-
/O.NEW.KILN.TO.W.0039.110523T2242Z-110523T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
642 PM EDT MON MAY 23 2011

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  DEARBORN COUNTY IN SOUTHEAST INDIANA...
  SOUTHEASTERN FRANKLIN COUNTY IN SOUTHEAST INDIANA...

* UNTIL 715 PM EDT.

* AT 638 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF   
PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR MOORES 
HILL...MOVING EAST AT 55 MPH. IN ADDITION TO THE TORNADO...THIS   
STORM IS CAPABLE OF PRODUCING DESTRUCTIVE STRAIGHT LINE WINDS.

* LOCATIONS IMPACTED INCLUDE...
  GREENDALE...
  HIDDEN VALLEY...
  BRIGHT...

IN ADDITION...WEISBURG...MANCHESTER...LAWRENCEVILLE...NEW ALSACE...
ST. LEON...DOVER...GUILFORD AND CEDAR GROVE ARE NEAR THE PATH OF THIS
DANGEROUS THUNDERSTORM.

THIS INCLUDES THE FOLLOWING INTERSTATE...
I-74 BETWEEN MILE MARKERS 158 AND 171...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

PLEASE REPORT TORNADOES...FUNNEL CLOUDS...STRONG WINDS OR HAIL TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN
YOU CAN DO SO SAFELY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TUESDAY MORNING FOR SOUTHEASTERN INDIANA AND NORTHEASTERN KENTUCKY
AND SOUTHWESTERN OHIO.

&&

LAT...LON 3939 8500 3942 8482 3912 8483 3906 8511
      3931 8507 3931 8516
TIME...MOT...LOC 2242Z 253DEG 48KT 3914 8509

$$

HATZOS
3 follow-up statements
793 
WWUS51 KILN 232248
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
648 PM EDT MON MAY 23 2011

INC029-047-232315-
/O.CON.KILN.TO.W.0039.000000T0000Z-110523T2315Z/
FRANKLIN IN-DEARBORN IN-
648 PM EDT MON MAY 23 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM EDT FOR NORTHERN
DEARBORN AND SOUTHEASTERN FRANKLIN COUNTIES IN SOUTHEAST INDIANA...

AT 647 PM EDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR
MANCHESTER...MOVING EAST AT 50 MPH. IN ADDITION TO THE TORNADO...THIS
STORM IS CAPABLE OF PRODUCING DESTRUCTIVE STRAIGHT LINE WINDS.

LOCATIONS IMPACTED INCLUDE...
GREENDALE...HIDDEN VALLEY AND BRIGHT.

IN ADDITION...ST. LEON...DOVER...GUILFORD...LOGAN...CEDAR GROVE...NEW
TRENTON...WEST HARRISON AND ROCKDALE ARE NEAR THE PATH OF THIS STORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

PLEASE REPORT TORNADOES...FUNNEL CLOUDS...STRONG WINDS OR HAIL TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN
YOU CAN DO SO SAFELY.

&&

LAT...LON 3939 8500 3942 8482 3912 8483 3906 8511
      3931 8507 3931 8516
TIME...MOT...LOC 2248Z 253DEG 48KT 3916 8499

$$

HATZOS
841 
WWUS51 KILN 232301
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
701 PM EDT MON MAY 23 2011

INC029-047-232315-
/O.CON.KILN.TO.W.0039.000000T0000Z-110523T2315Z/
FRANKLIN IN-DEARBORN IN-
701 PM EDT MON MAY 23 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM EDT FOR
NORTHEASTERN DEARBORN AND SOUTHEASTERN FRANKLIN COUNTIES IN SOUTHEAST
INDIANA...

AT 659 PM EDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR
INTERSTATE 74 AT US ROUTE 52...MOVING EAST AT 55 MPH. IN ADDITION TO
THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING DESTRUCTIVE STRAIGHT
LINE WINDS.

THIS STORM WILL AFFECT MAINLY RURAL AREAS OF NORTHEASTERN DEARBORN
AND SOUTHEASTERN FRANKLIN COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

PLEASE REPORT TORNADOES...FUNNEL CLOUDS...STRONG WINDS OR HAIL TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN
YOU CAN DO SO SAFELY.

&&

LAT...LON 3920 8493 3940 8494 3942 8482 3916 8483
TIME...MOT...LOC 2302Z 250DEG 46KT 3930 8480

$$

HATZOS
115 
WWUS51 KILN 232308
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
708 PM EDT MON MAY 23 2011

INC029-047-232318-
/O.EXP.KILN.TO.W.0039.000000T0000Z-110523T2315Z/
FRANKLIN IN-DEARBORN IN-
708 PM EDT MON MAY 23 2011

...THE TORNADO WARNING FOR NORTHEASTERN DEARBORN AND SOUTHEASTERN
FRANKLIN COUNTIES IN SOUTHEAST INDIANA WILL EXPIRE AT 715 PM EDT...

THE CIRCULATION HAS MOVED OUT OF THE WARNED AREA...THEREFORE THE 
TORNADO WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER...GUSTY WINDS AND 
HEAVY RAIN ARE STILL POSSIBLE WITH THIS STORM.

PLEASE REPORT PREVIOUS TORNADOES...WIND DAMAGE OR HAIL TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772.

LAT...LON 3920 8493 3940 8494 3942 8482 3916 8483
TIME...MOT...LOC 2308Z 250DEG 46KT 3932 8471

$$

HATZOS

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 23, 2:37 AM EDTSpecial Weather StatementILNDearborn, Fayette, Franklin, Ohio, Ripley, Switzerland and 2 more53 min
May 23, 6:14 PM EDTSevere Thunderstorm WarningILNDearborn, Franklin, Ohio, Ripley, Switzerland61 min
May 23, 6:23 PM EDTTornado WarningILNRipley37 min
May 23, 6:29 PM EDTSevere Thunderstorm WarningILNSwitzerland61 min
May 23, 6:30 PM EDTSevere Thunderstorm WarningILNFayette, Union, Wayne60 min
May 23, 6:34 PM EDTAreal Flood AdvisoryILNRipley86 min
May 23, 6:57 PM EDTTornado WarningILNOhio, Switzerland33 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; radar from the NEXRAD Level II archive.