Alert archive / Indiana / Tornado Warnings in 2011

Tornado Warning 26, NWS Indianapolis, IN

May 7, 2011Vermillion County, Vigo County, Indiana

NWS Indianapolis, IN issued this tornado warning at May 7, 2011, 7:38 PM EDT for Vermillion County, Vigo County, Indiana. It was in force for 52 min. 5 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 7, 2011, 7:38 PM EDT (23:38 UTC)
Expired
May 7, 2011, 8:30 PM EDT
In force
52 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon

Counties Vermillion County, IN, Vigo County, IN

The radar

The Indianapolis radar (KIND), 101 km from the middle of the area, began a volume at 23:40 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, 8:18 PM EDTHAIL 1Sandford, IN
May 7, 8:23 PM EDTHAIL 13 Sw Universal, INPEA TO QUARTER SIZED HAIL COVERED THE GROUND IN SHIRKIEVILLE.
May 7, 8:35 PM EDTTSTM WND DMGTerre Haute, INHOLE IN THE ROOF OF THE COMMUNITY THEATER IN TERRE HAUTE. TIME ESTIMATED FROM RADAR.
May 7, 8:35 PM EDTHAIL 1Terre Haute, INSOUTHERN TERRE HAUTE.
May 7, 8:39 PM EDTHAIL 1.25Terre Haute, 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 12:00Z, 11.6 hours before the alert went out and 115 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 12:00Z on 2011-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2011-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 134 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
1168 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
134 m²/s²
0-3 km storm-relative helicity
351 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.

448 
WFUS53 KIND 072338
TORIND
INC165-167-080030-
/O.NEW.KIND.TO.W.0026.110507T2338Z-110508T0030Z/

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN VERMILLION COUNTY IN WEST CENTRAL INDIANA...
  NORTHERN VIGO COUNTY IN WEST CENTRAL INDIANA...

* UNTIL 830 PM EDT

* AT 635 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR CHRISMAN...OR 11 MILES NORTH OF PARIS...AND
  MOVING SOUTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  TERRE HAUTE...
  BLANFORD...
  FAIRVIEW PARK...
  UNIVERSAL...
  SANDFORD...
  SHEPARDSVILLE...
  NORTH TERRE HAUTE...
  INDIANA STATE UNIVERSITY...
  WEST TERRE HAUTE...

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 0 AND 6.

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 3952 8754 3970 8754 3975 8754 3975 8753
      3967 8740 3965 8741 3963 8740 3961 8739
      3961 8731 3957 8724 3941 8746 3945 8755
TIME...MOT...LOC 2338Z 313DEG 24KT 3975 8773

$$

CP
1 follow-up statement
916 
WWUS53 KIND 080006
SVSIND

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

INC165-167-080030-
/O.CON.KIND.TO.W.0026.000000T0000Z-110508T0030Z/
VERMILLION-VIGO-
806 PM EDT SAT MAY 7 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN VIGO AND SOUTHERN
VERMILLION COUNTIES UNTIL 830 PM EDT...

AT 703 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR VERMILION...OR 6 MILES EAST OF PARIS...MOVING
SOUTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  TERRE HAUTE...FAIRVIEW PARK...UNIVERSAL...SANDFORD...
  SHEPARDSVILLE...INDIANA STATE UNIVERSITY...NORTH TERRE HAUTE AND
  WEST TERRE HAUTE.

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 3952 8754 3970 8754 3975 8754 3975 8753
      3967 8740 3965 8741 3963 8740 3961 8739
      3961 8731 3957 8724 3941 8746 3945 8755
TIME...MOT...LOC 0006Z 313DEG 24KT 3962 8755

$$

CP

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 6:17 PM EDTSpecial Weather StatementINDRandolph43 min
May 7, 6:19 PM EDTSevere Thunderstorm WarningINDFountain, Vermillion, Warren41 min
May 7, 6:58 PM EDTSevere Thunderstorm WarningINDFountain, Parke, Vermillion47 min
May 7, 7:42 PM EDTTornado WarningINDClay, Parke, Putnam, Vermillion30 min

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.