Alert archive / Indiana / Tornado Warnings in 2008

Tornado Warning 29, NWS Northern Indiana

September 13, 2008LaGrange County, Indiana; Branch County, Michigan

NWS Northern Indiana issued this tornado warning at Sep 13, 2008, 6:55 PM EDT for LaGrange County, Indiana; Branch County, Michigan. It was in force for 28 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
Sep 13, 2008, 6:55 PM EDT (22:55 UTC)
Expired
Sep 13, 2008, 7:23 PM EDT
In force
28 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon

Counties LaGrange County, IN, Branch County, MI

The radar

The Northern Indiana radar (KIWX), 55 km from the middle of the area, began a volume at 22:57 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 nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 10.9 hours before the alert went out and 189 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, Detroit, MI at 12:00Z on 2008-09-13Temperature 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, Detroit, MI at 12:00Z on 2008-09-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 square meters per square second.19395878Sfc1 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
683 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
163 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.

000 
WFUS53 KIWX 132255
TORIWX
INC087-MIC023-132330-
/O.NEW.KIWX.TO.W.0029.080913T2255Z-080913T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
655 PM EDT SAT SEP 13 2008

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN LAGRANGE COUNTY IN NORTHEAST INDIANA
  SOUTHWESTERN BRANCH COUNTY IN SOUTHWEST MICHIGAN

* UNTIL 730 PM EDT

* AT 653 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS SEVERE STORM WAS
  LOCATED 8 MILES WEST OF HOWE...OR 8 MILES WEST OF LAGRANGE...AND
  MOVING EAST AT 48 MPH.

* LOCATIONS IN THE PATH OF THE SEVERE STORM INCLUDE...
  HOWE AND ONTARIO...
  BRIGHTON...

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 4183 8519 4175 8519 4175 8520 4170 8520
      4166 8557 4170 8558 4176 8540 4176 8530
      4180 8530
TIME...MOT...LOC 2256Z 253DEG 42KT 4169 8553

$$
3 follow-up statements
000 
WWUS53 KIWX 132307
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
707 PM EDT SAT SEP 13 2008

INC087-MIC023-132330-
/O.CON.KIWX.TO.W.0029.000000T0000Z-080913T2330Z/
LAGRANGE IN-BRANCH MI-
707 PM EDT SAT SEP 13 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR
SOUTHWESTERN BRANCH AND NORTHEASTERN LAGRANGE COUNTIES...

AT 702 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS SEVERE
STORM WAS LOCATED NEAR HOWE...OR ABOUT 4 MILES NORTHWEST OF
LAGRANGE...AND MOVING EAST AT 41 MPH.

LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
  ONTARIO...
  BRIGHTON...

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 YOU HAVE SEVERE WEATHER TO REPORT...YOU CAN CALL YOUR LOCAL LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4170 8520 4168 8542 4167 8543 4167 8545
      4167 8546 4167 8547 4172 8548 4174 8539
      4176 8530 4180 8529 4183 8519
TIME...MOT...LOC 2307Z 260DEG 36KT 4170 8539

$$
000 
WWUS53 KIWX 132317
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
717 PM EDT SAT SEP 13 2008

INC087-MIC023-132330-
/O.CON.KIWX.TO.W.0029.000000T0000Z-080913T2330Z/
LAGRANGE IN-BRANCH MI-
718 PM EDT SAT SEP 13 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR EXTREME
SOUTHWESTERN BRANCH AND NORTHEASTERN LAGRANGE COUNTIES...

AT 716 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS SEVERE
STORM WAS LOCATED OVER NORTHEASTERN LAGRANGE COUNTY...OR ABOUT 10
MILES SOUTHEAST OF STURGIS...AND MOVING EAST AT 38 MPH.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

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 YOU HAVE SEVERE WEATHER TO REPORT...YOU CAN CALL YOUR LOCAL LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4170 8520 4169 8527 4177 8527 4178 8519
TIME...MOT...LOC 2318Z 257DEG 33KT 4173 8523

$$
000 
WWUS53 KIWX 132323
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
723 PM EDT SAT SEP 13 2008

INC087-MIC023-132333-
/O.CAN.KIWX.TO.W.0029.000000T0000Z-080913T2330Z/
LAGRANGE IN-BRANCH MI-
723 PM EDT SAT SEP 13 2008

...THE TORNADO WARNING FOR EXTREME SOUTHWESTERN BRANCH AND
NORTHEASTERN LAGRANGE COUNTIES IS CANCELLED...

AT 720 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAD WEAKENED AND 
MOVED OUT AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR 
PROPERTY. THEREFORE...THE TORNADO WARNING HAS BEEN CANCELLED.

IF YOU HAVE SEVERE WEATHER TO REPORT...YOU CAN CALL YOUR LOCAL LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4170 8520 4169 8527 4177 8527 4178 8519
TIME...MOT...LOC 2323Z 260DEG 36KT 4173 8518

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 13, 4:22 AM EDTLakeshore Flood StatementIWX21 hr
Sep 13, 5:26 AM EDTFlash Flood WarningIWXLaPorte4 hr
Sep 13, 6:06 AM EDTFlash Flood WarningIWXSaint Joseph4 hr
Sep 13, 8:52 AM EDTAreal Flood AdvisoryIWXElkhart, LaGrange4 hr
Sep 13, 9:17 AM EDTAreal Flood WarningIWXLaPorte6 hr
Sep 13, 10:02 AM EDTAreal Flood AdvisoryIWXSaint Joseph6 hr
Sep 13, 11:46 AM EDTAreal Flood AdvisoryIWXLaGrange, Steuben4 hr
Sep 13, 1:30 PM EDTRiver Flood WarningIWXLaPorte, Saint Joseph, Starke17 days
Sep 13, 5:46 PM EDTAreal Flood AdvisoryIWXElkhart, LaPorte, Saint Joseph6 hr
Sep 13, 6:47 PM EDTSevere Thunderstorm WarningIWXLaGrange43 min
Sep 13, 6:51 AM EDTFlash Flood WarningIWXBerrien, Cass4 hr
Sep 13, 10:45 AM EDTAreal Flood AdvisoryIWXBerrien, Cass, Saint Joseph4 hr

Nearby

Tornado Warnings in Indiana, 2008Tornado Warnings in Michigan, 2008Every tornado warning in 2008Tornadoes in 2008

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.