Alert archive / Indiana / Tornado Warnings in 2011

Tornado Warning 19, NWS Indianapolis, IN

April 19, 20116 counties in Indiana

NWS Indianapolis, IN issued this tornado warning at Apr 19, 2011, 10:07 PM EDT for 6 counties in Indiana. It was in force for 38 min. 9 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: Apr 19, 2011, 10:07 PM EDT (02:07 UTC)
Expired: Apr 19, 2011, 10:45 PM EDT
In force: 38 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon

Counties Boone County, IN, Clinton County, IN, Hamilton County, IN, Howard County, IN, Madison County, IN, Tipton County, IN

The radar

The Indianapolis radar (KIND), 69 km from the middle of the area, began a volume at 02:08 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 19, 10:12 PM EDT	TSTM WND GST 70	Whitestown, IN
Apr 19, 10:20 PM EDT	TSTM WND DMG	Kokomo, IN	FOUR TREES SNAPPED OR UPROOTED AT HOWARD REGIONAL HOSPITAL
Apr 19, 10:20 PM EDT	TSTM WND DMG	Tipton, IN	ROOF DAMAGE TO A HOUSE AT 1838E 100N.
Apr 19, 10:25 PM EDT	TSTM WND DMG	Kokomo, IN	MULTIPLE UTILITY LINES ARE DOWN ON SOUTH SIDE OF CITY BY MEASURED 56 MPH.
Apr 19, 10:25 PM EDT	TSTM WND GST 56	Kokomo, IN
Apr 19, 10:40 PM EDT	HAIL 0.5	Carmel, IN
Apr 19, 10:41 PM EDT	TORNADO	3 Se Hackleman, IN	THE NATIONAL WEATHER SERVICE HAS CONFIRMED AN EF1 TORNADO IN GRANT COUNTY INDIANA. THIS TORNADO BEGAN APPROXIMATELY 3.5 MILES SW OF FAIRMOUNT AND ENDED APPROXIMATELY 2.3 MILES WNW OF FAIRMOUNT. THE TORNADO HAD A PATH LENGTH OF 2.5 MILES AND MAX WIDTH OF 150 YA
Apr 19, 10:44 PM EDT	TSTM WND GST 52	1 N Anderson, IN	IN LINWOOD INDIANA
Apr 19, 10:44 PM EDT	TSTM WND GST 52	5 N Anderson, IN	IN LINWOOD INDIANA

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
Apr 19, 7:46 PM EDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.1 hours before the alert went out and 214 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: 1686 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 1003 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 387 m²/s²
0-3 km storm-relative helicity: 474 m²/s²
Significant tornado parameter: 4.3
Supercell composite: 18.7

Open this sounding in Storm Lab

The text

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

439 
WFUS53 KIND 200207
TORIND
INC011-023-057-067-095-159-200245-
/O.NEW.KIND.TO.W.0019.110420T0207Z-110420T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1007 PM EDT TUE APR 19 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN BOONE COUNTY IN CENTRAL INDIANA...
  EASTERN CLINTON COUNTY IN CENTRAL INDIANA...
  HAMILTON COUNTY IN CENTRAL INDIANA...
  HOWARD COUNTY IN CENTRAL INDIANA...
  MADISON COUNTY IN CENTRAL INDIANA...
  TIPTON COUNTY IN CENTRAL INDIANA...

* UNTIL 1045 PM EDT

* AT 1003 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE SQUALL LINE CAPABLE OF PRODUCING BRIEF RAIN-WRAPPED
  TORNADOES IN ADDITION TO WIDESPREAD STRAIGHT LINE WIND DAMAGE.
  THESE DANGEROUS STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 11
  MILES SOUTHWEST OF WALTON TO 9 MILES NORTHEAST OF LEBANON TO
  LEBANON...AND MOVING EAST AT 65 MPH.

* THESE DANGEROUS STORMS WILL BE NEAR...
  WESTFIELD AND KOKOMO AROUND 1015 PM EDT...
  MORSE RESERVOIR...TIPTON...SHARPSVILLE AND NOBLESVILLE AROUND 1020
  PM EDT...
  WINDFALL AND GREENTOWN AROUND 1025 PM EDT...
  LAPEL AND ELWOOD AROUND 1030 PM EDT...
  RIVER FOREST...PENDLETON...ORESTES AND INGALLS AROUND 1035 PM
  EDT...
  WOODLAWN HEIGHTS AROUND 1040 PM EDT...

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 129 AND 138.

THIS INCLUDES INTERSTATE 69 BETWEEN MILE MARKERS 4 AND 30.

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.

THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4057 8586 4040 8586 4040 8557 3996 8559
      3995 8586 3993 8589 3993 8648 4044 8640
      4044 8638 4044 8637 4057 8637
TIME...MOT...LOC 0207Z 267DEG 55KT 4058 8634 4017 8631
          4006 8633

$$

50

1 follow-up statement

794 
WWUS53 KIND 200229
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1029 PM EDT TUE APR 19 2011

INC011-023-057-067-095-159-200245-
/O.CON.KIND.TO.W.0019.000000T0000Z-110420T0245Z/
BOONE-CLINTON-HAMILTON-HOWARD-MADISON-TIPTON-
1029 PM EDT TUE APR 19 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN BOONE...
HAMILTON...MADISON...TIPTON...SOUTHEASTERN CLINTON AND HOWARD
COUNTIES UNTIL 1045 PM EDT...

AT 1026 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE SQUALL LINE CAPABLE OF PRODUCING DAMAGING STRAIGHT LINE WINDS
AND BRIEF RAIN-WRAPPED TORNADOES.  THESE DANGEROUS STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 9 MILES SOUTHEAST OF BUNKER HILL
TO 5 MILES EAST OF TIPTON TO CARMEL...MOVING EAST AT 65 MPH.

THESE DANGEROUS STORMS WILL BE NEAR...
  FRANKTON...FISHERS AND RIGDON AROUND 1035 PM EDT...
  SUMMITVILLE...ORESTES...LAPEL AND ALEXANDRIA AROUND 1040 PM EDT...
  ANDERSON...PENDLETON...CHESTERFIELD AND WOODLAWN HEIGHTS AROUND
  1045 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.

THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4057 8586 4040 8586 4040 8557 3996 8559
      3995 8586 3993 8589 3993 8647 4056 8620
TIME...MOT...LOC 0229Z 267DEG 55KT 4057 8594 4029 8588
          3996 8613

$$

50

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 8:54 PM EDT	Tornado Warning	IND	Fountain, Parke, Vermillion, Warren	51 min
Apr 19, 9:16 PM EDT	Tornado Warning	IND	Clay, Owen, Putnam, Vigo	59 min
Apr 19, 9:31 PM EDT	Tornado Warning	IND	Boone, Carroll, Clinton, Hendricks, Montgomery, Putnam and 1 more	44 min
Apr 19, 9:40 PM EDT	Severe Thunderstorm Warning	IND	Carroll	50 min
Apr 19, 9:55 PM EDT	Areal Flood Warning	IND	Clay, Parke, Vigo	15 hr
Apr 19, 10:13 PM EDT	Severe Thunderstorm Warning	IND	Clay, Owen, Putnam, Vigo	47 min
Apr 19, 10:15 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Hendricks, Marion, Shelby	45 min
Apr 19, 10:34 PM EDT	Flash Flood Warning	IND	Clay, Vigo	6 hr
Apr 19, 10:45 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Henry, Madison, Randolph	45 min
Apr 19, 10:53 PM EDT	Severe Thunderstorm Warning	IND	Clay, Morgan, Owen, Putnam, Sullivan, Vigo	37 min
Apr 19, 10:59 PM EDT	Severe Thunderstorm Warning	IND	Clay, Daviess, Greene, Knox, Martin, Owen and 1 more	61 min
Apr 19, 11:00 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Henry, Rush, Shelby	45 min
Apr 19, 11:01 PM EDT	Flash Flood Warning	IND	Hendricks, Morgan, Putnam	6 hr
Apr 19, 11:30 PM EDT	Severe Thunderstorm Warning	IND	Clay, Morgan, Owen, Putnam	45 min
Apr 19, 11:30 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Henry, Randolph	45 min
Apr 19, 11:40 PM EDT	Flash Flood Warning	IND	Hamilton, Hancock, Hendricks, Johnson, Madison, Marion and 1 more	6 hr
Apr 19, 11:44 PM EDT	Severe Thunderstorm Warning	IND	Brown, Greene, Jackson, Lawrence, Martin, Monroe and 2 more	31 min
Apr 19, 11:54 PM EDT	Severe Thunderstorm Warning	IND	Hendricks, Marion	31 min
Apr 20, 12:13 AM EDT	Severe Thunderstorm Warning	IND	Johnson, Shelby	34 min
Apr 20, 12:16 AM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Decatur, Jackson, Jennings	44 min
Apr 20, 12:21 AM EDT	Flash Flood Warning	IND	Bartholomew, Brown, Jackson, Jennings, Johnson, Lawrence and 3 more	4 hr
Apr 20, 12:25 AM EDT	Severe Thunderstorm Warning	IND	Decatur, Rush	40 min
Apr 20, 7:31 AM EDT	Areal Flood Warning	IND	Clay, Parke, Vigo	24 hr

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.