Alert archive / Indiana / Tornado Warnings in 2011

Tornado Warning 21, NWS Indianapolis, IN

April 23, 2011Bartholomew County, Jackson County, Jennings County, Indiana

NWS Indianapolis, IN issued this tornado warning at Apr 23, 2011, 1:33 AM EDT for Bartholomew County, Jackson County, Jennings County, Indiana. It was in force for 42 min. 1 report 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: Apr 23, 2011, 1:33 AM EDT (05:33 UTC)
Expired: Apr 23, 2011, 2:15 AM EDT
In force: 42 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon

Counties Bartholomew County, IN, Jackson County, IN, Jennings County, IN

The radar

The Indianapolis radar (KIND), 95 km from the middle of the area, began a volume at 05:35 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
Apr 23, 1:40 AM EDT	TSTM WND DMG	1 N Seymour, IN	TREE UPROOTED AND PORTION OF A ROOF REMOVED AND ROOM DAMAGED ON MURRAY HILL DRIVE BEHIND REDDING ELEMENTARY. RELAYED BY BROADCAST MEDIA. TIME ESTIMATED BASED ON RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 5.6 hours before the alert went out and 172 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 565 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 147 m²/s²
0-3 km storm-relative helicity: 265 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

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

082 
WFUS53 KIND 230533
TORIND
INC005-071-079-230615-
/O.NEW.KIND.TO.W.0021.110423T0533Z-110423T0615Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
133 AM EDT SAT APR 23 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN BARTHOLOMEW COUNTY IN CENTRAL INDIANA...
  NORTHEASTERN JACKSON COUNTY IN SOUTH CENTRAL INDIANA...
  JENNINGS COUNTY IN SOUTHEAST INDIANA...

* UNTIL 215 AM EDT

* AT 130 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 8 MILES NORTHWEST OF SEYMOUR...AND MOVING EAST AT
  30 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  JONESVILLE AND SEYMOUR AROUND 140 AM EDT...
  AZALIA AROUND 145 AM EDT...
  HAYDEN AROUND 155 AM EDT...
  COUNTRY SQUIRE LAKES AND SCIPIO AROUND 200 AM EDT...
  NORTH VERNON AROUND 205 AM EDT...
  VERNON AROUND 210 AM EDT...
  BUTLERVILLE AND NEBRASKA AROUND 215 AM EDT...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 48 AND 63.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR THE SAME AREA.

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 3895 8609 3913 8607 3913 8545 3892 8545
      3891 8546 3891 8554 3890 8555
TIME...MOT...LOC 0533Z 274DEG 27KT 3904 8596

$$
JH

4 follow-up statements

101 
WWUS53 KIND 230551
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
151 AM EDT SAT APR 23 2011

INC005-071-230601-
/O.CAN.KIND.TO.W.0021.000000T0000Z-110423T0615Z/
BARTHOLOMEW-JACKSON-
151 AM EDT SAT APR 23 2011

...THE TORNADO WARNING FOR NORTHEASTERN JACKSON AND SOUTHERN
BARTHOLOMEW COUNTIES IS CANCELLED...

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

LAT...LON 3892 8580 3913 8580 3913 8545 3892 8545
      3891 8546 3891 8554 3890 8555
TIME...MOT...LOC 0551Z 274DEG 27KT 3902 8573

$$

INC079-230615-
/O.CON.KIND.TO.W.0021.000000T0000Z-110423T0615Z/
JENNINGS-
151 AM EDT SAT APR 23 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR JENNINGS COUNTY UNTIL 215
AM EDT...

AT 149 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 7 MILES WEST OF NORTH VERNON...OR 9 MILES NORTHEAST
OF SEYMOUR...MOVING EAST AT 30 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  NORTH VERNON AROUND 200 AM EDT...
  VERNON AROUND 205 AM EDT...
  BUTLERVILLE AROUND 210 AM EDT...
  NEBRASKA AROUND 215 AM 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.

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

&&

LAT...LON 3892 8580 3913 8580 3913 8545 3892 8545
      3891 8546 3891 8554 3890 8555
TIME...MOT...LOC 0551Z 274DEG 27KT 3902 8573

$$
JH

492 
WWUS53 KIND 230558
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
158 AM EDT SAT APR 23 2011

INC079-230615-
/O.CON.KIND.TO.W.0021.000000T0000Z-110423T0615Z/
JENNINGS-
158 AM EDT SAT APR 23 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR JENNINGS COUNTY UNTIL 215
AM EDT...

AT 153 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR NORTH VERNON...OR 9 MILES EAST OF SEYMOUR...
MOVING EAST AT 45 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  BUTLERVILLE AND NEBRASKA AROUND 210 AM 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.

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

&&

LAT...LON 3892 8576 3913 8571 3913 8545 3892 8545
      3891 8546 3891 8554 3890 8555
TIME...MOT...LOC 0558Z 273DEG 37KT 3898 8565

$$

NIELD

003 
WWUS53 KIND 230608
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
208 AM EDT SAT APR 23 2011

INC079-230615-
/O.CON.KIND.TO.W.0021.000000T0000Z-110423T0615Z/
JENNINGS-
208 AM EDT SAT APR 23 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN JENNINGS COUNTY
UNTIL 215 AM EDT...

AT 206 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR VERNON...OR 19 MILES EAST OF SEYMOUR...MOVING
EAST AT 45 MPH.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF EASTERN
JENNINGS 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.

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

&&

LAT...LON 3892 8571 3906 8565 3908 8545 3892 8545
      3891 8546 3891 8554 3890 8555
TIME...MOT...LOC 0608Z 273DEG 37KT 3900 8551

$$

NIELD

653 
WWUS53 KIND 230615
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
215 AM EDT SAT APR 23 2011

INC079-230625-
/O.EXP.KIND.TO.W.0021.000000T0000Z-110423T0615Z/
JENNINGS-
215 AM EDT SAT APR 23 2011

...THE TORNADO WARNING FOR EASTERN JENNINGS COUNTY HAS EXPIRED...

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

LAT...LON 3892 8571 3906 8565 3908 8545 3892 8545
      3891 8546 3891 8554 3890 8555
TIME...MOT...LOC 0608Z 273DEG 37KT 3900 8551

$$

NIELD

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 22, 8:37 PM EDT	River Flood Warning	IND	Shelby	7 days
Apr 22, 8:37 PM EDT	River Flood Warning	IND	Clay, Greene	8 days
Apr 22, 11:00 PM EDT	Special Weather Statement	IND	Daviess	30 min
Apr 22, 11:33 PM EDT	Special Weather Statement	IND	Brown, Monroe	27 min
Apr 22, 11:37 PM EDT	Severe Thunderstorm Warning	IND	Brown, Johnson, Monroe	23 min
Apr 23, 12:01 AM EDT	Severe Thunderstorm Warning	IND	Delaware, Madison	29 min
Apr 23, 12:17 AM EDT	Areal Flood Warning	IND	Daviess, Greene, Knox, Martin, Sullivan	6 hr
Apr 23, 12:37 AM EDT	Severe Thunderstorm Warning	IND	Brown, Greene, Lawrence, Monroe	23 min
Apr 23, 12:48 AM EDT	Severe Thunderstorm Warning	IND	Delaware, Henry, Randolph	27 min
Apr 23, 12:52 AM EDT	Tornado Warning	IND	Brown, Jackson, Lawrence, Monroe	23 min
Apr 23, 1:14 AM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Decatur, Jackson, Jennings	31 min
Apr 23, 1:47 AM EDT	Severe Thunderstorm Warning	IND	Decatur	28 min
Apr 23, 6:48 AM EDT	Areal Flood Warning	IND	Jackson, Jennings	6 hr
Apr 23, 11:25 AM EDT	River Flood Warning	IND	Carroll, Tippecanoe, White	6 hr
Apr 23, 12:22 PM EDT	Areal Flood Warning	IND	Daviess, Knox, Lawrence, Martin	6 hr
Apr 23, 1:08 PM EDT	Areal Flood Warning	IND	Jackson, Jennings	6 hr
Apr 23, 1:27 PM EDT	Flash Flood Watch	IND	Bartholomew, Boone, Brown, Carroll, Clay, Clinton and 33 more	5 days

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.