Alert archive / Indiana / Tornado Warnings in 2011

Tornado Warning 34, NWS Indianapolis, IN

May 23, 2011Jackson County, Lawrence County, Indiana

NWS Indianapolis, IN issued this tornado warning at May 23, 2011, 5:30 PM EDT for Jackson County, Lawrence County, Indiana. It was in force for 30 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: May 23, 2011, 5:30 PM EDT (21:30 UTC)
Expired: May 23, 2011, 6:00 PM EDT
In force: 30 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon

Counties Jackson County, IN, Lawrence County, IN

The radar

The Louisville radar (KLVX), 93 km from the middle of the area, began a volume at 21:33 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.

Issued	Product	Office	Lasted
May 23, 1:54 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.5 hours before the alert went out and 225 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: 170 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 776 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 183 m²/s²
0-3 km storm-relative helicity: 246 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

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

021 
WFUS53 KIND 232130
TORIND
INC071-093-232200-
/O.NEW.KIND.TO.W.0034.110523T2130Z-110523T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
530 PM EDT MON MAY 23 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN JACKSON COUNTY IN SOUTH CENTRAL INDIANA...
  SOUTHEASTERN LAWRENCE COUNTY IN SOUTH CENTRAL INDIANA...

* UNTIL 600 PM EDT

* AT 528 PM EDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO 7 MILES
  SOUTHEAST OF BEDFORD. DOPPLER RADAR SHOWED THIS TORNADO MOVING EAST
  AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  MEDORA AND PLEASANT VIEW AROUND 550 PM EDT...
  KURTZ AROUND 555 PM EDT...
  VALLONIA AND FREETOWN AROUND 600 PM EDT...

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.

&&

LAT...LON 3884 8654 3901 8610 3876 8603 3878 8609
      3876 8610 3876 8612 3878 8621 3876 8628
      3874 8628 3873 8631 3869 8630 3868 8639
      3869 8649
TIME...MOT...LOC 2130Z 256DEG 31KT 3878 8640

$$

HOMANN/TUCEK

2 follow-up statements

502 
WWUS53 KIND 232138
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
538 PM EDT MON MAY 23 2011

INC071-093-232200-
/O.CON.KIND.TO.W.0034.000000T0000Z-110523T2200Z/
JACKSON-LAWRENCE-
538 PM EDT MON MAY 23 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR WESTERN JACKSON AND
SOUTHEASTERN LAWRENCE COUNTIES UNTIL 600 PM EDT...

AT 533 PM EDT...DOPPLER RADAR INDICATED A POSSIBLE TORNADO.  THIS 
STORM WAS LOCATED 8 MILES SOUTHEAST OF BEDFORD...MOVING EAST AT 35 
MPH.

THE TORNADO WILL BE NEAR...
  MEDORA...PLEASANT VIEW AND KURTZ AROUND 550 PM EDT...
  VALLONIA AND FREETOWN AROUND 600 PM EDT...

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.

&&

LAT...LON 3868 8639 3870 8640 3887 8646 3901 8610
      3876 8603 3878 8609 3876 8610 3876 8612
      3878 8621 3876 8628 3874 8628 3873 8631
      3869 8630
TIME...MOT...LOC 2138Z 256DEG 31KT 3879 8631

$$

HOMANN/TUCEK

805 
WWUS53 KIND 232147
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
547 PM EDT MON MAY 23 2011

INC093-232157-
/O.CAN.KIND.TO.W.0034.000000T0000Z-110523T2200Z/
LAWRENCE-
547 PM EDT MON MAY 23 2011

...THE TORNADO WARNING FOR SOUTHEASTERN LAWRENCE COUNTY IS
CANCELLED...

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

LAT...LON 3878 8621 3877 8627 3894 8627 3901 8610
      3876 8603 3878 8609 3876 8610 3876 8612
TIME...MOT...LOC 2147Z 254DEG 34KT 3884 8615

$$

INC071-232200-
/O.CON.KIND.TO.W.0034.000000T0000Z-110523T2200Z/
JACKSON-
547 PM EDT MON MAY 23 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR WESTERN JACKSON COUNTY
UNTIL 600 PM EDT...

AT 542 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE SQUALL LINE CAPABLE OF PRODUCING DAMAGING STRAIGHT LINE WINDS
AND BRIEF RAIN-WRAPPED TORNADOES.  THIS DANGEROUS STORM WAS LOCATED
10 MILES SOUTHWEST OF BROWNSTOWN...OR 15 MILES EAST OF BEDFORD...
MOVING EAST AT 40 MPH.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF WESTERN
JACKSON 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 3878 8621 3877 8627 3894 8627 3901 8610
      3876 8603 3878 8609 3876 8610 3876 8612
TIME...MOT...LOC 2147Z 254DEG 34KT 3884 8615

$$

HOMANN/TUCEK

The office that day

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

Issued	Product	Office	Counties	Lasted
May 22, 8:10 PM EDT	Special Weather Statement	IND	Howard	35 min
May 23, 12:03 AM EDT	Severe Thunderstorm Warning	IND	Clay, Morgan, Owen, Putnam	42 min
May 23, 1:10 AM EDT	Special Weather Statement	IND	Lawrence	35 min
May 23, 2:09 AM EDT	Special Weather Statement	IND	Jackson, Jennings	36 min
May 23, 3:04 AM EDT	Special Weather Statement	IND	Jackson, Jennings	26 min
May 23, 3:50 PM EDT	Severe Thunderstorm Warning	IND	Knox, Sullivan, Vigo	40 min
May 23, 4:21 PM EDT	Severe Thunderstorm Warning	IND	Parke, Vermillion	24 min
May 23, 4:27 PM EDT	Severe Thunderstorm Warning	IND	Clay, Daviess, Greene, Knox, Martin, Owen and 2 more	48 min
May 23, 4:40 PM EDT	Severe Thunderstorm Warning	IND	Clay, Parke, Putnam, Vermillion, Vigo	35 min
May 23, 4:51 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Montgomery, Parke, Putnam, Vermillion, Warren	39 min
May 23, 4:53 PM EDT	Severe Thunderstorm Warning	IND	Hendricks, Marion, Morgan	37 min
May 23, 5:06 PM EDT	Severe Thunderstorm Warning	IND	Brown, Lawrence, Monroe, Morgan, Owen	24 min
May 23, 5:25 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Hancock, Hendricks, Jackson, Johnson and 5 more	50 min
May 23, 5:44 PM EDT	Severe Thunderstorm Warning	IND	Boone, Clinton, Montgomery	31 min
May 23, 5:45 PM EDT	Tornado Warning	IND	Hancock, Johnson, Shelby	45 min
May 23, 5:56 PM EDT	Tornado Warning	IND	Bartholomew, Decatur, Shelby	34 min
May 23, 6:01 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Hancock, Jackson, Jennings, Rush and 1 more	44 min
May 23, 6:08 PM EDT	Tornado Warning	IND	Jennings	18 min
May 23, 6:15 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Hamilton, Hancock, Henry, Madison, Rush	45 min
May 23, 6:45 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Henry, Randolph	33 min

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