Alert archive / Indiana / Tornado Warnings in 2007

Tornado Warning 12, NWS Northern Indiana

May 15, 2007LaPorte County, Indiana; Berrien County, Michigan

NWS Northern Indiana issued this tornado warning at May 15, 2007, 3:13 PM CDT for LaPorte County, Indiana; Berrien County, Michigan. It was in force for 41 min. 6 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 15, 2007, 3:13 PM CDT (20:13 UTC)
Expired
May 15, 2007, 3:54 PM CDT
In force
41 min
Issued by
NWS Northern Indiana
Area
Counties, with a storm outline in the text

Counties LaPorte County, IN, Berrien County, MI

The radar

The Northern Indiana radar (KIWX), 88 km from the middle of the area, began a volume at 20:14 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 15, 3:25 PM CDTMARINE TSTM WIND 50Michigan City, IN
May 15, 3:30 PM CDTTSTM WND GST 63La Porte, INTREES AND FENCES DOWN.
May 15, 3:31 PM CDTTSTM WND GST 601 Nw La Porte, IN*** 1 INJ *** TREE FELL ONTO MOVING MOTORCYCLE PINNING 44 YEAR OLD MALE RIDER...SUFFERED A BROKEN LEG
May 15, 3:41 PM CDTTORNADOLa Porte, INTORNADO REPORTED ON THE GROUND BY A SPOTTER.
May 15, 3:45 PM CDTTORNADO1.4 S New Carlisle, INEF0 MAXIMUM WINDS AROUND 65 MPH. SOME DAMAGE TO TREE TOPS. TOUCHDOWN WITNESSED BY PROPERTY OWNER.
May 15, 3:49 PM CDTTSTM WND DMGLa Porte, INMULTIPLE TREES AND POWER LINES DOWN IN AND AROUND LA PORTE... WINDS ESTIMATED BETWEEN 65 TO 70 MPH

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 15, 12:53 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.2 hours before the alert went out and 238 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 2007-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 20 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 2007-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 square meters per square second.193958Sfc1 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
20 J/kg
Mixed-layer CIN
-273 J/kg
Mixed-layer LCL
1998 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
49 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 152014
TORIWX
INC091-MIC021-152115-
/O.NEW.KIWX.TO.W.0012.070515T2013Z-070515T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
313 PM CDT TUE MAY 15 2007

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN LA PORTE COUNTY IN NORTHWEST INDIANA
  SOUTHWESTERN BERRIEN COUNTY IN SOUTHWEST MICHIGAN

* UNTIL 415 PM CDT(515 PM EDT)

* AT 312 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS WITH STRONG ROTATION.  THESE SEVERE
  STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 14 MILES WEST OF
  MICHIGAN CITY TO 4 MILES WEST OF WESTVILLE...OR ALONG A LINE
  EXTENDING FROM 6 MILES NORTHWEST OF PORTER TO 4 MILES WEST OF
  WESTVILLE...AND MOVING EAST AT 35 MPH.

* LOCATIONS IN THE PATH OF SEVERE STORMS INCLUDE...
  OTIS AND WESTVILLE...
  PINHOOK...
  WATERFORD...PINOLA AND TRAIL CREEK...
  LONG BEACH...POTTAWATTOMIE PARK AND LA PORTE...
  MICHIANA SHORES...MICHIANA AND GRAND BEACH...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 70 MPH.

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 4191 8660 4178 8644 4166 8649 4159 8649
      4153 8651 4152 8693 4172 8694 4176 8685

$$
3 follow-up statements
000 
WWUS53 KIWX 152023
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
422 PM EDT TUE MAY 15 2007

INC091-MIC021-152115-
/O.CON.KIWX.TO.W.0012.000000T0000Z-070515T2115Z/
LA PORTE IN-BERRIEN MI-
322 PM CDT TUE MAY 15 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT(515 PM EDT)
FOR SOUTHWESTERN BERRIEN AND NORTHERN LA PORTE COUNTIES...

AT 320 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS WITH STRONG ROTATION. THESE
SEVERE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 5 MILES WEST
OF MICHIGAN CITY TO PINHOOK...OR ALONG A LINE EXTENDING FROM 5 MILES
WEST OF MICHIGAN CITY TO 4 MILES NORTHEAST OF WESTVILLE...AND MOVING
EAST AT 35 MPH.

LOCATIONS IN THE PATH OF SEVERE THUNDERSTORMS INCLUDE...
  POTTAWATTOMIE PARK...LONG BEACH AND TRAIL CREEK...
  MICHIANA SHORES...MICHIANA AND GRAND BEACH...
  NEW BUFFALO AND SPRINGVILLE...
  HESSTON...UNION PIER AND LAKESIDE...
  THREE OAKS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 70 MPH. WIDESPREAD 
DAMAGE TO STRUCTURES AND TREES HAS BEEN REPORTED OVER LAKE AND 
PORTER COUNTIES.

THIS IS A DANGEROUS SITUATION. 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.

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

LAT...LON 4191 8660 4178 8644 4166 8649 4159 8649
      4153 8651 4152 8693 4172 8694 4176 8685

$$
000 
WWUS53 KIWX 152033
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
432 PM EDT TUE MAY 15 2007

INC091-MIC021-152115-
/O.CON.KIWX.TO.W.0012.000000T0000Z-070515T2115Z/
LA PORTE IN-BERRIEN MI-
332 PM CDT TUE MAY 15 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT(515 PM EDT)
FOR SOUTHWESTERN BERRIEN AND NORTHERN LA PORTE COUNTIES...

AT 328 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS WITH STRONG ROTATION. THESE
SEVERE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM MICHIANA
SHORES TO LA PORTE...OR ALONG A LINE EXTENDING FROM 3 MILES NORTHEAST
OF MICHIGAN CITY TO LA PORTE...AND MOVING EAST AT 45 MPH.

LOCATIONS IN THE PATH OF SEVERE THUNDERSTORMS INCLUDE...
  THREE OAKS...LAKESIDE AND TURNER SHORES...
  SAWYER AND HUDSON LAKE...
  GALIEN...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.

THIS IS A DANGEROUS SITUATION. 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.

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

LAT...LON 4191 8660 4178 8644 4166 8649 4159 8649
      4153 8651 4152 8693 4172 8694 4176 8685

$$
000 
WWUS53 KIWX 152054
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
454 PM EDT TUE MAY 15 2007

INC091-MIC021-152104-
/O.CAN.KIWX.TO.W.0012.000000T0000Z-070515T2115Z/
LA PORTE IN-BERRIEN MI-
354 PM CDT TUE MAY 15 2007

...THE TORNADO WARNING FOR SOUTHWESTERN BERRIEN AND NORTHERN LA PORTE
COUNTIES IS CANCELLED...

AT 348 PM CDT(448 PM EDT)...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED THAT THE LINE OF SEVERE THUNDERSTORMS WHICH PROMPTED THE
WARNING HAD MOVED OUT OF THE AREA AND NO LONGER POSE 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 4191 8660 4178 8644 4166 8649 4159 8649
      4153 8651 4152 8693 4172 8694 4176 8685

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 12:55 PM CDTSevere Thunderstorm WarningIWXElkhart, Saint Joseph52 min
May 15, 1:53 PM CDTSevere Thunderstorm WarningIWXKosciusko, Noble49 min
May 15, 2:58 PM CDTSevere Thunderstorm WarningIWXKosciusko32 min
May 15, 3:03 PM CDTSevere Thunderstorm WarningIWXPulaski42 min
May 15, 3:08 PM CDTSpecial Marine WarningIWX97 min
May 15, 3:23 PM CDTSevere Thunderstorm WarningIWXFulton, Marshall52 min
May 15, 3:43 PM CDTSevere Thunderstorm WarningIWXKosciusko62 min
May 15, 3:44 PM CDTTornado WarningIWXSaint Joseph46 min
May 15, 3:51 PM CDTTornado WarningIWXPulaski, Starke39 min
May 15, 4:01 PM CDTSevere Thunderstorm WarningIWXWhite25 min
May 15, 4:09 PM CDTTornado WarningIWXFulton, Marshall, Starke39 min
May 15, 4:11 PM CDTTornado WarningIWXCass49 min
May 15, 4:12 PM CDTSevere Thunderstorm WarningIWXElkhart, LaGrange, Noble48 min
May 15, 4:26 PM CDTSevere Thunderstorm WarningIWXFulton34 min
May 15, 4:33 PM CDTFlash Flood WarningIWXLaPorte, Saint Joseph3 hr
May 15, 4:35 PM CDTSevere Thunderstorm WarningIWXKosciusko, Miami, Wabash34 min
May 15, 4:51 PM CDTSevere Thunderstorm WarningIWXHuntington, Noble, Whitley47 min
May 15, 5:23 PM CDTSevere Thunderstorm WarningIWXDeKalb, Steuben42 min
May 15, 1:30 PM CDTSevere Thunderstorm WarningIWXBranch38 min
May 15, 2:18 PM CDTSevere Thunderstorm WarningIWXHillsdale27 min
May 15, 4:04 PM CDTTornado WarningIWXBerrien26 min
May 15, 4:14 PM CDTTornado WarningIWXCass46 min
May 15, 4:26 PM CDTSevere Thunderstorm WarningIWXBranch, Saint Joseph64 min
May 15, 4:37 PM CDTTornado WarningIWXSaint Joseph38 min
May 15, 5:13 PM CDTSevere Thunderstorm WarningIWXHillsdale47 min
May 15, 5:46 PM CDTSevere Thunderstorm WarningIWXHillsdale29 min

Nearby

Tornado Warnings in Indiana, 2007Tornado Warnings in Michigan, 2007Every tornado warning in 2007Tornadoes in 2007

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.