Alert archive / Indiana / Tornado Warnings in 2011

Tornado Warning 31, NWS Indianapolis, IN

May 7, 2011Daviess County, Greene County, Martin County, Indiana

NWS Indianapolis, IN issued this tornado warning at May 7, 2011, 9:37 PM EDT for Daviess County, Greene County, Martin County, Indiana. It was in force for 38 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
May 7, 2011, 9:37 PM EDT (01:37 UTC)
Expired
May 7, 2011, 10:15 PM EDT
In force
38 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon

Counties Daviess County, IN, Greene County, IN, Martin County, IN

The radar

The Indianapolis radar (KIND), 100 km from the middle of the area, began a volume at 01:36 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

TimeReportWhereRemark
May 7, 9:56 PM EDTHAIL 0.25Bloomfield, IN

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.

IssuedProductOfficeLasted
May 7, 3:59 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.6 hours before the alert went out and 193 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, Lincoln, IL at 00:00Z on 2011-05-08Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2011-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.1939587897Sfc1 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
3086 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
113 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.

912 
WFUS53 KIND 080137
TORIND
INC027-055-101-080215-
/O.NEW.KIND.TO.W.0031.110508T0137Z-110508T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
937 PM EDT SAT MAY 7 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN DAVIESS COUNTY IN SOUTHWEST INDIANA...
  GREENE COUNTY IN SOUTHWEST INDIANA...
  NORTHERN MARTIN COUNTY IN SOUTHWEST INDIANA...

* UNTIL 1015 PM EDT

* AT 931 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR LINTON...OR 30 MILES SOUTHEAST OF TERRE
  HAUTE...AND MOVING SOUTHEAST AT 35 MPH.

  IN ADDITION...AT MIDLAND A ROTATING WALL CLOUD WAS REPORTED BY 
TRAINED SPOTTERS AT 930 PM EDT WITH THIS STORM. THIS STORM HAS A 
HISTORY OF PRODUCING PING PONG SIZE HAIL AS WELL.

* LOCATIONS IMPACTED INCLUDE...
  BLOOMFIELD...
  WORTHINGTON...
  SWITZ CITY...
  LYONS...
  NEWBERRY...
  CRANE...
  BURNS CITY...
  OWENSBURG...

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 3877 8691 3908 8722 3917 8715 3917 8705
      3898 8670 3888 8670
TIME...MOT...LOC 0136Z 309DEG 32KT 3906 8708

$$

CP
1 follow-up statement
311 
WWUS53 KIND 080207
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1007 PM EDT SAT MAY 7 2011

INC027-055-101-080215-
/O.CON.KIND.TO.W.0031.000000T0000Z-110508T0215Z/
DAVIESS-GREENE-MARTIN-
1007 PM EDT SAT MAY 7 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN DAVIESS...
NORTHERN MARTIN AND SOUTHEASTERN GREENE COUNTIES UNTIL 1015 PM EDT...

AT 1005 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 6 MILES SOUTH OF BLOOMFIELD...OR 24 MILES WEST OF
BEDFORD...MOVING SOUTHEAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  CRANE...BURNS CITY AND OWENSBURG.

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 3877 8691 3898 8702 3902 8698 3904 8688
      3898 8670 3888 8670
TIME...MOT...LOC 0207Z 316DEG 21KT 3893 8691

$$

CP

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 8:15 PM EDTSevere Thunderstorm WarningINDClay, Parke, Putnam, Vigo45 min
May 7, 8:23 PM EDTTornado WarningINDClay, Sullivan, Vigo52 min
May 7, 8:33 PM EDTAreal Flood AdvisoryINDClay, Fountain, Parke, Vermillion, Vigo5 hr
May 7, 8:55 PM EDTFlash Flood WarningINDClay, Greene, Owen, Putnam, Sullivan, Vigo6 hr
May 7, 9:02 PM EDTTornado WarningINDClay, Greene, Sullivan, Vigo43 min
May 7, 9:10 PM EDTTornado WarningINDSullivan, Vigo20 min
May 7, 9:26 PM EDTSevere Thunderstorm WarningINDSullivan, Vigo20 min
May 7, 10:12 PM EDTTornado WarningINDGreene, Lawrence, Martin48 min
May 7, 10:45 PM EDTFlash Flood WarningINDDaviess, Greene, Knox, Lawrence, Martin6 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.