Alert archive / Indiana / Tornado Warnings in 2008

Tornado Warning 25, NWS Northern Indiana

August 4, 2008LaPorte County, Saint Joseph County, Indiana; Berrien County, Cass County, Michigan

NWS Northern Indiana issued this tornado warning at Aug 4, 2008, 9:06 PM CDT for LaPorte County, Saint Joseph County, Indiana; Berrien County, Cass County, Michigan. It was in force for 54 min. 3 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 4, 2008, 9:06 PM CDT (02:06 UTC)
Expired
Aug 4, 2008, 10:00 PM CDT
In force
54 min
Issued by
NWS Northern Indiana
Area
Storm-based polygon

Counties LaPorte County, IN, Saint Joseph County, IN, Berrien County, MI, Cass County, MI

The radar

The Northern Indiana radar (KIWX), 71 km from the middle of the area, began a volume at 02:06 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 4, 9:06 PM CDTTSTM WND DMG2 Ese Michiana Shores, IN*** 1 FATAL *** TREE LIMB FELL ON VEHICLE...TIME IS ESTIMATED
Aug 4, 9:31 PM CDTTSTM WND GST 484 Nw South Bend, INRECORDED AT THE SOUTH BEND REGIONAL AIRPORT
Aug 4, 9:43 PM CDTTSTM WND GST 651 N Lakeville, 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
Aug 4, 7:17 PM CDTSevere Thunderstorm Watch PDSSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.1 hours before the alert went out and 254 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 2008-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7429 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 00:00Z on 2008-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 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
7429 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
819 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
175 m²/s²
Significant tornado parameter
3.9
Supercell composite
20.6

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KIWX 050206
TORIWX
INC091-141-MIC021-027-050300-
/O.NEW.KIWX.TO.W.0025.080805T0206Z-080805T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1006 PM EDT MON AUG 4 2008

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* TORNADO WARNING FOR...
  ST. JOSEPH COUNTY IN NORTH CENTRAL INDIANA
  NORTHERN LA PORTE COUNTY IN NORTHWEST INDIANA
  SOUTHERN BERRIEN COUNTY IN SOUTHWEST MICHIGAN
  SOUTHWESTERN CASS COUNTY IN SOUTHWEST MICHIGAN

* UNTIL 1100 PM EDT/1000 PM CDT/

* AT 902 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS SEVERE STORM WAS
  LOCATED NEAR MICHIANA SHORES...OR 4 MILES NORTHEAST OF TRAIL
  CREEK...AND MOVING EAST AT 48 MPH.

* LOCATIONS IN THE PATH OF THE SEVERE STORM INCLUDE...  
  NEW BUFFALO
  BUCHANAN...
  SOUTH BEND AND NILES...
  MISHAWAKA...GULIVOIRE PARK AND GEORGETOWN...
  GRANGER...
  THREE OAKS...
  NEW CARLISLE...

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST
DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

THIS SEVERE HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE ACROSS 
NORTHWEST INDIANA. THIS IS AN EXTREMELY DANGEROUS SITUATION. GO TO A 
BASEMENT OR SMALL INTERIOR ROOM. EVACUATE MOBILE HOMES...AND SEEK 
SHELTER INSIDE A STURDY STRUCTURE.

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 4176 8687 4183 8674 4188 8601 4176 8603
      4176 8607 4157 8607 4149 8608 4164 8689
TIME...MOT...LOC 0205Z 277DEG 42KT 4172 8674

$$
2 follow-up statements
000 
WWUS53 KIWX 050227
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1027 PM EDT MON AUG 4 2008

INC091-050236-
/O.CAN.KIWX.TO.W.0025.000000T0000Z-080805T0300Z/
LA PORTE IN-
926 PM CDT MON AUG 4 2008

...THE TORNADO WARNING FOR NORTHERN LA PORTE COUNTY IS CANCELLED...

AT 1023 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAD MOVED 
OUT AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. 
THEREFORE...THE TORNADO WARNING HAS BEEN CANCELLED. WIDESPREAD 
DAMAGE HAS BEEN REPORTED BY LAW ENFORCEMENT IN LAPORTE COUNTY.

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

LAT...LON 4188 8601 4176 8603 4176 8607 4157 8607
      4149 8608 4157 8649 4166 8649 4166 8651
      4181 8651
TIME...MOT...LOC 0226Z 277DEG 42KT 4169 8641

$$

INC141-MIC021-027-050300-
/O.CON.KIWX.TO.W.0025.000000T0000Z-080805T0300Z/
ST. JOSEPH IN-BERRIEN MI-CASS MI-
1026 PM EDT MON AUG 4 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT FOR ST.
JOSEPH COUNTY IN NORTH CENTRAL INDIANA...AND SOUTHWESTERN CASS AND
SOUTHEASTERN BERRIEN COUNTIES IN SOUTHWEST MICHIGAN...

AT 1023 PM EDT...LAW ENFORCEMENT REPORTED A POSSIBLE TORNADO CAPABLE
OF PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 80 MPH. THIS SEVERE STORM
WAS LOCATED 4 MILES WEST OF LYDICK...OR ABOUT 10 MILES WEST OF SOUTH
BEND...AND MOVING EAST AT 48 MPH.

LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
  SOUTH BEND...GEORGETOWN AND GULIVOIRE PARK...
  MISHAWAKA...
  GRANGER...
  ROSELAND...
  EDWARDSBURG...
  OSCEOLA...

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 4188 8601 4176 8603 4176 8607 4157 8607
      4149 8608 4157 8649 4166 8649 4166 8651
      4181 8651
TIME...MOT...LOC 0226Z 277DEG 42KT 4169 8641

$$
000 
WWUS53 KIWX 050301
SVSIWX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1101 PM EDT MON AUG 4 2008

INC141-MIC021-027-050311-
/O.EXP.KIWX.TO.W.0025.000000T0000Z-080805T0300Z/
ST. JOSEPH IN-BERRIEN MI-CASS MI-
1101 PM EDT MON AUG 4 2008

...THE TORNADO WARNING FOR ST. JOSEPH COUNTY IN NORTH CENTRAL
INDIANA...AND SOUTHWESTERN CASS AND SOUTHEASTERN BERRIEN COUNTIES IN
SOUTHWEST MICHIGAN HAS EXPIRED...

AT 1057 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAD WEAKENED.
THEREFORE...THE TORNADO WARNING HAS BEEN ALLOWED TO EXPIRE.

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

LAT...LON 4188 8601 4176 8603 4176 8607 4157 8607
      4149 8608 4157 8649 4166 8649 4166 8651
      4181 8651
TIME...MOT...LOC 0227Z 277DEG 42KT 4169 8639

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 8:16 PM CDTSpecial Marine WarningIWX119 min
Aug 4, 8:37 PM CDTSevere Thunderstorm WarningIWXLaPorte, Marshall, Pulaski, Saint Joseph, Starke, White68 min
Aug 4, 8:48 PM CDTTornado WarningIWXLaPorte, Starke42 min
Aug 4, 9:14 PM CDTSevere Thunderstorm WarningIWXCass, Elkhart, Fulton, Kosciusko, LaGrange, Marshall and 7 more61 min
Aug 4, 9:17 PM CDTTornado WarningIWXFulton, LaPorte, Marshall, Starke58 min
Aug 4, 9:38 PM CDTSevere Thunderstorm WarningIWXWhite39 min
Aug 4, 9:43 PM CDTTornado WarningIWXElkhart, Kosciusko, Marshall, Saint Joseph45 min
Aug 4, 9:59 PM CDTTornado WarningIWXFulton, Kosciusko, Miami, Wabash47 min
Aug 5, 12:06 AM CDTSpecial Marine WarningIWX54 min
Aug 5, 12:12 AM CDTSevere Thunderstorm WarningIWXLaPorte, Starke63 min
Aug 5, 12:32 AM CDTAreal Flood AdvisoryIWXFulton, LaPorte, Marshall, Pulaski, Starke118 min
Aug 5, 2:51 AM CDTAreal Flood AdvisoryIWXCass, Fulton, LaPorte, Miami, Pulaski, Starke and 1 more114 min
Aug 5, 3:34 AM CDTFlash Flood WarningIWXLaPorte, Starke6 hr
Aug 5, 4:28 AM CDTFlash Flood WarningIWXFulton, Pulaski3 hr
Aug 5, 4:57 AM CDTFlash Flood WarningIWXCass, Miami, White5 hr
Aug 5, 10:22 AM CDTRiver Flood WatchIWXCarroll, White27 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.