Alert archive / Indiana / Tornado Warnings in 2011

Tornado Warning 25, NWS Indianapolis, IN

April 27, 2011Randolph County, Indiana

NWS Indianapolis, IN issued this tornado warning at Apr 27, 2011, 11:19 PM EDT for Randolph County, Indiana. It was in force for 15 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, 11:19 PM EDT (03:19 UTC)
Expired
Apr 27, 2011, 11:34 PM EDT
In force
15 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon

County Randolph County, IN

The radar

The Indianapolis radar (KIND), 129 km from the middle of the area, began a volume at 03:18 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, 3.3 hours before the alert went out and 134 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.

691 
WFUS53 KIND 280319
TORIND
INC135-280345-
/O.NEW.KIND.TO.W.0025.110428T0319Z-110428T0345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1119 PM EDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN RANDOLPH COUNTY IN EAST CENTRAL INDIANA...

* UNTIL 1145 PM EDT

* AT 1117 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 6 MILES NORTH OF WINCHESTER...OR 12 MILES SOUTH
  OF PORTLAND...AND MOVING NORTHEAST AT 25 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  SALEM AROUND 1135 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 4013 8497 4023 8517 4032 8510 4032 8481
      4032 8480 4031 8480
TIME...MOT...LOC 0318Z 212DEG 20KT 4027 8500

$$

SMF
2 follow-up statements
940 
WWUS53 KIND 280326
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1126 PM EDT WED APR 27 2011

INC135-280345-
/O.CON.KIND.TO.W.0025.000000T0000Z-110428T0345Z/
RANDOLPH-
1126 PM EDT WED APR 27 2011

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

AT 1124 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 9 MILES NORTH OF WINCHESTER...OR 9 MILES SOUTH OF
PORTLAND...MOVING NORTHEAST AT 25 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  SALEM AROUND 1135 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 4013 8497 4023 8517 4032 8510 4032 8481
      4032 8480 4031 8480
TIME...MOT...LOC 0326Z 212DEG 20KT 4031 8497

$$

77/TDUD
858 
WWUS53 KIND 280334
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1134 PM EDT WED APR 27 2011

INC135-280344-
/O.CAN.KIND.TO.W.0025.000000T0000Z-110428T0345Z/
RANDOLPH-
1134 PM EDT WED APR 27 2011

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

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

LAT...LON 4013 8497 4023 8517 4032 8510 4032 8481
      4032 8480 4031 8480
TIME...MOT...LOC 0334Z 212DEG 20KT 4035 8494

$$

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, 10:58 PM EDTTornado WarningINDDelaware, Randolph27 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.