Alert archive / Indiana / Tornado Warnings in 2011

Tornado Warning 25, NWS Northern Indiana

August 8, 2011Cass County, White County, Indiana

NWS Northern Indiana issued this tornado warning at Aug 8, 2011, 7:15 PM EDT for Cass County, White County, Indiana. It was in force for 45 min. 2 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
Aug 8, 2011, 7:15 PM EDT (23:15 UTC)
Expired
Aug 8, 2011, 8:00 PM EDT
In force
45 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon

Counties Cass County, IN, White County, IN

The radar

The Northern Indiana radar (KIWX), 100 km from the middle of the area, began a volume at 23:17 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
Aug 8, 7:59 PM EDTFUNNEL CLOUD3 N Burnettsville, IN
Aug 8, 8:03 PM EDTTSTM WND GST 601 N Lake Cicott, INPEA SIZED HAIL ALSO REPORTED. VISIBILITY NEAR ZERO.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 11.3 hours before the alert went out and 182 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 2011-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1544 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 2011-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 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
1544 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
796 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
127 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.1

Open this sounding in Storm Lab

The text

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

292 
WFUS53 KIWX 082315
TORIWX
INC017-181-090000-
/O.NEW.KIWX.TO.W.0025.110808T2315Z-110809T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
715 PM EDT MON AUG 8 2011

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL CASS COUNTY IN NORTH CENTRAL INDIANA...
  EAST CENTRAL WHITE COUNTY IN NORTHWEST INDIANA...

* UNTIL 800 PM EDT

* AT 713 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 5 MILES SOUTHEAST OF
  MONON...OR 6 MILES NORTH OF MONTICELLO...AND MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF EAST
  CENTRAL WHITE AND WEST CENTRAL CASS COUNTIES...INCLUDING THE
  FOLLOWING LOCATIONS SITKA...IDAVILLE...BURNETTSVILLE...LAKE CICOTT
  AND GEORGETOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES
OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF
NO SHELTER IS AVAILABLE... LIE FLAT IN THE NEAREST DITCH OR OTHER LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 4087 8682 4086 8641 4072 8644 4073 8653
      4074 8653 4074 8658 4078 8684
TIME...MOT...LOC 2315Z 278DEG 20KT 4083 8677

$$
4 follow-up statements
526 
WWUS53 KIWX 082320
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
720 PM EDT MON AUG 8 2011

INC017-181-090000-
/O.CON.KIWX.TO.W.0025.000000T0000Z-110809T0000Z/
CASS IN-WHITE IN-
720 PM EDT MON AUG 8 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR WEST
CENTRAL CASS COUNTY IN NORTH CENTRAL INDIANA...AND EAST CENTRAL WHITE
COUNTY IN NORTHWEST INDIANA...

AT 717 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS SEVERE 
STORM WAS LOCATED OVER CENTRAL WHITE COUNTY...OR ABOUT 5 MILES NORTH 
OF MONTICELLO...AND MOVING EAST AT 25 MPH.

THIS SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF EAST 
CENTRAL WHITE AND WEST CENTRAL CASS COUNTIES...INCLUDING THE 
FOLLOWING LOCATIONS IDAVILLE...BURNETTSVILLE...LAKE CICOTT AND 
GEORGETOWN.

THIS TORNADO WARNING REPLACES THE PREVIOUSLY ISSUED SEVERE 
THUNDERSTORM WARNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

&&

LAT...LON 4078 8680 4086 8678 4086 8641 4072 8644
      4073 8653 4074 8653 4074 8658
TIME...MOT...LOC 2319Z 278DEG 20KT 4082 8674

$$
063 
WWUS53 KIWX 082327
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
727 PM EDT MON AUG 8 2011

INC017-181-090000-
/O.CON.KIWX.TO.W.0025.000000T0000Z-110809T0000Z/
CASS IN-WHITE IN-
727 PM EDT MON AUG 8 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR WEST
CENTRAL CASS COUNTY IN NORTH CENTRAL INDIANA...AND EAST CENTRAL WHITE
COUNTY IN NORTHWEST INDIANA...

AT 721 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS SEVERE 
STORM WAS LOCATED OVER EAST CENTRAL WHITE COUNTY...OR ABOUT 6 MILES 
NORTH OF MONTICELLO...AND MOVING EAST AT 25 MPH. 

THIS SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF EAST
CENTRAL WHITE AND WEST CENTRAL CASS COUNTIES...INCLUDING THE
FOLLOWING LOCATIONS IDAVILLE...BURNETTSVILLE...LAKE CICOTT AND
GEORGETOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

&&

LAT...LON 4078 8679 4086 8676 4086 8641 4072 8644
      4073 8653 4074 8653 4074 8658
TIME...MOT...LOC 2326Z 278DEG 20KT 4082 8669

$$
979 
WWUS53 KIWX 082342
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
742 PM EDT MON AUG 8 2011

INC017-181-090000-
/O.CON.KIWX.TO.W.0025.000000T0000Z-110809T0000Z/
CASS IN-WHITE IN-
742 PM EDT MON AUG 8 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR WEST
CENTRAL CASS COUNTY IN NORTH CENTRAL INDIANA...AND EAST CENTRAL WHITE
COUNTY IN NORTHWEST INDIANA...

AT 739 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS SEVERE 
STORM WAS LOCATED OVER EXTREME EAST CENTRAL WHITE COUNTY...OR ABOUT 
9 MILES EAST OF MONTICELLO...AND MOVING EAST AT 25 MPH. THIS 
THUNDERSTORM IS ALSO CAPABLE OF PRODUCING QUARTER SIZED HAIL AND 
DAMAGING WINDS IN EXCESS OF 70 MPH.

THIS SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF EAST
CENTRAL WHITE AND WEST CENTRAL CASS COUNTIES...INCLUDING THE
FOLLOWING LOCATIONS LAKE CICOTT AND GEORGETOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

&&

LAT...LON 4077 8670 4086 8665 4086 8641 4072 8644
      4073 8653 4074 8653 4074 8658
TIME...MOT...LOC 2342Z 278DEG 20KT 4078 8659

$$
863 
WWUS53 KIWX 082351
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
751 PM EDT MON AUG 8 2011

INC181-090000-
/O.CAN.KIWX.TO.W.0025.000000T0000Z-110809T0000Z/
WHITE IN-
751 PM EDT MON AUG 8 2011

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

AT 747 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAD MOVED OUT OF 
THE WARNED AREA AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR 
PROPERTY. THEREFORE...THE TORNADO WARNING HAS BEEN CANCELLED.

LAT...LON 4084 8658 4085 8642 4072 8644 4073 8653
      4074 8653 4074 8658
TIME...MOT...LOC 2350Z 278DEG 20KT 4077 8653

$$

INC017-090000-
/O.CON.KIWX.TO.W.0025.000000T0000Z-110809T0000Z/
CASS IN-
751 PM EDT MON AUG 8 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR WEST
CENTRAL CASS COUNTY IN NORTH CENTRAL INDIANA...

AT 747 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS SEVERE 
STORM WAS LOCATED OVER EXTREME WEST CENTRAL CASS COUNTY...OR ABOUT 
10 MILES WEST OF LOGANSPORT...AND MOVING EAST AT 25 MPH. THIS STORM 
IS ALSO CAPABLE OF PRODUCING QUARTER SIZED HAIL AND WIND GUSTS IN 
EXCESS OF 70 MPH.

THIS SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF WEST
CENTRAL CASS COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

&&

LAT...LON 4084 8658 4085 8642 4072 8644 4073 8653
      4074 8653 4074 8658
TIME...MOT...LOC 2350Z 278DEG 20KT 4077 8653

$$

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 7, 8:05 PM EDTSpecial Weather StatementIWXStarke40 min
Aug 7, 8:15 PM EDTSpecial Weather StatementIWXSaint Joseph30 min
Aug 7, 8:26 PM EDTSevere Thunderstorm WarningIWXElkhart, Saint Joseph34 min
Aug 7, 8:52 PM EDTRip Current StatementIWX5 hr
Aug 7, 9:02 PM EDTSpecial Weather StatementIWXElkhart43 min
Aug 7, 9:10 PM EDTSevere Thunderstorm WarningIWXElkhart, Kosciusko, Noble35 min
Aug 7, 9:39 PM EDTSpecial Weather StatementIWXWhitley51 min
Aug 8, 5:12 AM EDTRip Current StatementIWX16 hr
Aug 8, 6:51 PM EDTSpecial Weather StatementIWXWhite39 min
Aug 8, 7:04 PM EDTSevere Thunderstorm WarningIWXWhite41 min
Aug 8, 7:59 PM EDTTornado WarningIWXCass, Miami46 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.