Alert archive / Indiana / Tornado Warnings in 2011

Tornado Warning 24, NWS Indianapolis, IN

April 27, 2011Delaware County, Randolph County, Indiana

NWS Indianapolis, IN issued this tornado warning at Apr 27, 2011, 10:58 PM EDT for Delaware County, Randolph County, Indiana. It was in force for 27 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
Apr 27, 2011, 10:58 PM EDT (02:58 UTC)
Expired
Apr 27, 2011, 11:25 PM EDT
In force
27 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon

Counties Delaware County, IN, Randolph County, IN

The radar

The Indianapolis radar (KIND), 109 km from the middle of the area, began a volume at 03:01 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.

IssuedProductOfficeLasted
Apr 27, 7:22 PM EDTTornado WatchSPC8 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 3.0 hours before the alert went out and 146 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 2011-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2011-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 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
775 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
521 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

755 
WFUS53 KIND 280258
TORIND
INC035-135-280345-
/O.NEW.KIND.TO.W.0024.110428T0258Z-110428T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1058 PM EDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN DELAWARE COUNTY IN EAST CENTRAL INDIANA...
  WESTERN RANDOLPH COUNTY IN EAST CENTRAL INDIANA...

* UNTIL 1145 PM EDT

* AT 1056 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 10 MILES WEST OF WINCHESTER...OR 12 MILES EAST OF
  MUNCIE...AND MOVING NORTH AT 55 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  ALBANY AROUND 1105 PM EDT...
  RIDGEVILLE AND CONVERSE AROUND 1110 PM EDT...

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.

&&

LAT...LON 4004 8506 4007 8522 4008 8522 4008 8527
      4009 8533 4040 8526 4040 8522 4039 8521
      4032 8520 4032 8490
TIME...MOT...LOC 0258Z 194DEG 49KT 4018 8516

$$

SMF
2 follow-up statements
927 
WWUS53 KIND 280311
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1111 PM EDT WED APR 27 2011

INC035-280320-
/O.CAN.KIND.TO.W.0024.000000T0000Z-110428T0345Z/
DELAWARE-
1111 PM EDT WED APR 27 2011

...THE TORNADO WARNING FOR EASTERN DELAWARE COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 4004 8506 4007 8522 4031 8521 4032 8499
TIME...MOT...LOC 0310Z 194DEG 49KT 4029 8508

$$

INC135-280345-
/O.CON.KIND.TO.W.0024.000000T0000Z-110428T0345Z/
RANDOLPH-
1111 PM EDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR WESTERN RANDOLPH COUNTY
UNTIL 1145 PM EDT...

AT 1109 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 6 MILES SOUTHEAST OF REDKEY...OR 9 MILES SOUTHEAST
OF DUNKIRK...MOVING NORTH AT 55 MPH.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF WESTERN
RANDOLPH COUNTY.

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.

&&

LAT...LON 4004 8506 4007 8522 4031 8521 4032 8499
TIME...MOT...LOC 0310Z 194DEG 49KT 4029 8508

$$
DRT
458 
WWUS53 KIND 280325
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1125 PM EDT WED APR 27 2011

INC135-280335-
/O.CAN.KIND.TO.W.0024.000000T0000Z-110428T0345Z/
RANDOLPH-
1125 PM EDT WED APR 27 2011

...THE TORNADO WARNING FOR WESTERN RANDOLPH COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 4004 8506 4007 8522 4031 8521 4032 8499
TIME...MOT...LOC 0325Z 194DEG 49KT 4049 8501

$$

77/TDUD

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 27, 9:03 PM EDTAreal Flood WarningINDClay, Fountain, Montgomery, Parke, Putnam, Sullivan and 4 more7 hr
Apr 27, 9:59 PM EDTAreal Flood WarningINDBoone, Hendricks3 hr
Apr 27, 10:55 PM EDTSpecial Weather StatementINDRandolph35 min
Apr 27, 11:19 PM EDTTornado WarningINDRandolph15 min
Apr 28, 12:40 AM EDTWind AdvisoryINDBartholomew, Boone, Brown, Carroll, Clay, Clinton and 33 more4 hr
Apr 28, 1:08 AM EDTRiver Flood WarningINDCarroll, Tippecanoe, White41 hr
Apr 28, 5:27 AM EDTAreal Flood WarningINDBoone, Montgomery30 hr
Apr 28, 6:36 AM EDTAreal Flood WarningINDBoone, Carroll, Clinton, Fountain, Hamilton, Howard and 5 more29 hr
Apr 28, 6:47 AM EDTAreal Flood WarningINDClay, Greene, Hendricks, Marion, Montgomery, Morgan and 6 more29 hr
Apr 28, 4:28 PM EDTSpecial Weather StatementINDJohnson47 min
Apr 28, 4:30 PM EDTSevere Thunderstorm WarningINDBrown, Monroe30 min
Apr 28, 4:37 PM EDTSpecial Weather StatementINDKnox38 min
Apr 28, 4:57 PM EDTSpecial Weather StatementINDBartholomew48 min
Apr 28, 5:12 PM EDTSpecial Weather StatementINDJackson48 min
Apr 28, 5:14 PM EDTSpecial Weather StatementINDMartin46 min
Apr 28, 5:29 PM EDTSevere Thunderstorm WarningINDJackson, Jennings20 min
Apr 28, 5:37 PM EDTSpecial Weather StatementINDMonroe38 min
Apr 28, 5:52 PM EDTSpecial Weather StatementINDJennings23 min
Apr 28, 6:32 PM EDTRiver Flood WarningINDHamilton, Marion23 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.