Alert archive / Indiana / Tornado Warnings in 2012

Tornado Warning 20, NWS Indianapolis, IN

May 1, 2012Boone County, Montgomery County, Indiana

NWS Indianapolis, IN issued this tornado warning at May 1, 2012, 7:29 PM EDT for Boone County, Montgomery County, Indiana. It was in force for 46 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 1, 2012, 7:29 PM EDT (23:29 UTC)
Expired: May 1, 2012, 8:15 PM EDT
In force: 46 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon

Counties Boone County, IN, Montgomery County, IN

The radar

The Indianapolis radar (KIND), 39 km from the middle of the area, began a volume at 23:31 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
May 1, 7:36 PM EDT	TORNADO	5 Ne Ladoga, IN	TORNADO MOVING EAST
May 1, 7:37 PM EDT	TORNADO	3 W New Ross, IN	HIT A HOUSE AND DESTROYED A BARN
May 1, 8:22 PM EDT	FUNNEL CLOUD	Whitestown, IN	FUNNEL CLOUD REPORTED BETWEEN WHITESTOWN AND ZIONSVILLE

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.

Issued	Product	Office	Lasted
May 1, 3:01 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.5 hours before the alert went out and 181 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: 660 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 123 m²/s²
0-3 km storm-relative helicity: 138 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

434 
WFUS53 KIND 012329
TORIND
INC011-107-020015-
/O.NEW.KIND.TO.W.0020.120501T2329Z-120502T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
729 PM EDT TUE MAY 1 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  BOONE COUNTY IN CENTRAL INDIANA...
  CENTRAL MONTGOMERY COUNTY IN WEST CENTRAL INDIANA...

* UNTIL 815 PM EDT

* AT 726 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR CRAWFORDSVILLE...AND MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LEBANON...
  ZIONSVILLE...
  NEW ROSS...
  ADVANCE...
  ULEN...
  WHITESTOWN...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 129 AND 145.

THIS INCLUDES INTERSTATE 74 BETWEEN MILE MARKERS 31 AND 52.

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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

&&

LAT...LON 4011 8624 3993 8624 3992 8624 3995 8695
      4014 8696
TIME...MOT...LOC 2329Z 273DEG 31KT 4000 8680

$$

RYAN

3 follow-up statements

315 
WWUS53 KIND 012339
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
739 PM EDT TUE MAY 1 2012

INC011-107-020015-
/O.CON.KIND.TO.W.0020.000000T0000Z-120502T0015Z/
BOONE-MONTGOMERY-
739 PM EDT TUE MAY 1 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR BOONE AND EAST CENTRAL
MONTGOMERY COUNTIES UNTIL 815 PM EDT...

AT 736 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO 5 MILES 
NW OF LADOGA...MOVING EAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  LEBANON...ZIONSVILLE...ADVANCE...ULEN AND WHITESTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR
THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 4011 8624 3992 8624 3994 8682 4013 8672
TIME...MOT...LOC 2339Z 273DEG 31KT 3998 8669

$$

HOMANN/RYAN

957 
WWUS53 KIND 012352
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
752 PM EDT TUE MAY 1 2012

INC107-020001-
/O.CAN.KIND.TO.W.0020.000000T0000Z-120502T0015Z/
MONTGOMERY-
752 PM EDT TUE MAY 1 2012

...THE TORNADO WARNING FOR EAST CENTRAL MONTGOMERY COUNTY IS
CANCELLED...

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

LAT...LON 4011 8624 3992 8624 3994 8662 4012 8653
TIME...MOT...LOC 2351Z 273DEG 31KT 3997 8654

$$

INC011-020015-
/O.CON.KIND.TO.W.0020.000000T0000Z-120502T0015Z/
BOONE-
752 PM EDT TUE MAY 1 2012

...A TORNADO WARNING REMAINS IN EFFECT FOR BOONE COUNTY UNTIL 815 PM
EDT...

AT 750 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  
THIS DANGEROUS STORM WAS LOCATED 7 MILES SOUTHWEST OF LEBANON...OR 
19 MILES EAST OF CRAWFORDSVILLE...MOVING EAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  LEBANON...ZIONSVILLE...ULEN AND WHITESTOWN.

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.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR 
THE TORNADO.

&&

LAT...LON 4011 8624 3992 8624 3994 8662 4012 8653
TIME...MOT...LOC 2351Z 273DEG 31KT 3997 8654

$$

HOMANN/RYAN

392 
WWUS53 KIND 020011
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
811 PM EDT TUE MAY 1 2012

INC011-020021-
/O.EXP.KIND.TO.W.0020.000000T0000Z-120502T0015Z/
BOONE-
811 PM EDT TUE MAY 1 2012

...THE TORNADO WARNING FOR BOONE COUNTY WILL EXPIRE AT 815 PM EDT...

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

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 10 PM EDT.

LAT...LON 4011 8624 3992 8624 3994 8662 4012 8653
TIME...MOT...LOC 0011Z 273DEG 31KT 3996 8632

$$

HOMANN/RYAN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 1, 6:02 AM EDT	Dense Fog Advisory	IND	Bartholomew, Brown, Clay, Daviess, Decatur, Greene and 19 more	4 hr
May 1, 2:58 PM EDT	Severe Thunderstorm Warning	IND	Brown, Monroe, Morgan	47 min
May 1, 3:22 PM EDT	Tornado Warning	IND	Bartholomew, Brown	23 min
May 1, 3:42 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown	48 min
May 1, 3:54 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Rush, Shelby	36 min
May 1, 4:03 PM EDT	Areal Flood Advisory	IND	Hamilton, Hancock, Johnson, Madison, Marion, Morgan and 1 more	3 hr
May 1, 4:13 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Henry, Johnson, Marion, Rush, Shelby	47 min
May 1, 4:17 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Henry, Madison, Randolph	43 min
May 1, 4:20 PM EDT	Severe Thunderstorm Warning	IND	Decatur, Rush, Shelby	25 min
May 1, 4:29 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Shelby	16 min
May 1, 4:48 PM EDT	Severe Thunderstorm Warning	IND	Henry, Rush	25 min
May 1, 4:51 PM EDT	Severe Thunderstorm Warning	IND	Randolph	39 min
May 1, 4:56 PM EDT	Severe Thunderstorm Warning	IND	Greene, Lawrence, Martin, Monroe	34 min
May 1, 5:20 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Johnson, Morgan	40 min
May 1, 5:21 PM EDT	Severe Thunderstorm Warning	IND	Jackson, Lawrence	24 min
May 1, 5:31 PM EDT	Tornado Warning	IND	Jackson, Lawrence	29 min
May 1, 5:32 PM EDT	Severe Thunderstorm Warning	IND	Morgan	21 min
May 1, 5:46 PM EDT	Severe Thunderstorm Warning	IND	Jackson	29 min
May 1, 6:08 PM EDT	Severe Thunderstorm Warning	IND	Jackson, Jennings	26 min
May 1, 6:16 PM EDT	Tornado Warning	IND	Fountain, Vermillion, Warren	44 min
May 1, 6:49 PM EDT	Tornado Warning	IND	Fountain, Montgomery	41 min
May 1, 6:57 PM EDT	Severe Thunderstorm Warning	IND	Hendricks, Marion	36 min
May 1, 7:04 PM EDT	Severe Thunderstorm Warning	IND	Greene, Monroe, Owen	30 min
May 1, 7:07 PM EDT	Areal Flood Advisory	IND	Hendricks, Marion	5 hr
May 1, 7:08 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Knox	28 min
May 1, 7:39 PM EDT	Severe Thunderstorm Warning	IND	Brown, Johnson, Monroe, Morgan	51 min
May 1, 7:54 PM EDT	Tornado Warning	IND	Brown	19 min

Nearby

Tornado Warnings in Indiana, 2012 Every tornado warning in 2012 Tornadoes in 2012

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.