Alert archive / Michigan / Tornado Warnings in 2007

Tornado Warning 13, NWS Northern Indiana

May 15, 2007Berrien County, Cass County, Michigan; Saint Joseph County, Indiana

NWS Northern Indiana issued this tornado warning at May 15, 2007, 4:44 PM EDT for Berrien County, Cass County, Michigan; Saint Joseph County, Indiana. It was in force for 46 min. 4 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, 4:44 PM EDT (20:44 UTC)
Expired
May 15, 2007, 5:30 PM EDT
In force
46 min
Issued by
NWS Northern Indiana
Area
Counties, with a storm outline in the text

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

The radar

The Northern Indiana radar (KIWX), 78 km from the middle of the area, began a volume at 20:43 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, 4:45 PM EDTTSTM WND DMGBuchanan, MISEVERAL TREES AND POWER LINES ACROSS SOUTHEASTERN BERRIEN COUNTY
May 15, 4:54 PM EDTTORNADO3 Nw South Bend, INTORNADO REPORTED ON THE GROUND
May 15, 4:55 PM EDTTSTM WND DMGBuchanan, MISEVERAL TREES AND POWER LINES ACROSS SOUTHEASTERN BERRIEN COUNTY
May 15, 5:15 PM EDTTSTM WND DMGDowagiac, MISEVERAL TREES AND POWERLINES DOWN ACROSS CASS COUNTY

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, 1:53 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 8.7 hours before the alert went out and 263 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 2007-05-15Temperature 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 2007-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1711 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
162 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 152045
TORIWX
INC141-MIC021-027-152130-
/O.NEW.KIWX.TO.W.0013.070515T2044Z-070515T2130Z/

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

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN ST. JOSEPH COUNTY IN NORTH CENTRAL INDIANA
  SOUTHERN BERRIEN COUNTY IN SOUTHWEST MICHIGAN
  WESTERN CASS COUNTY IN SOUTHWEST MICHIGAN

* UNTIL 530 PM EDT

* AT 438 PM EDT(338 PM CDT)...TRAINED WEATHER SPOTTERS REPORTED A    
  TORNADO IN THE CITY OF LAPORTE WITH DAMAGE. THESE SEVERE STORMS    
  WERE LOCATED ALONG A LINE EXTENDING FROM 7 MILES SOUTHWEST OF NEW  
  TROY TO 8 MILES WEST OF CRUMSTOWN...OR ALONG A LINE EXTENDING FROM 
  13 MILES NORTHEAST OF TRAIL CREEK TO 8 MILES EAST OF LA            
  PORTE...AND MOVING EAST AT 50 MPH.

* LOCATIONS IN THE PATH OF SEVERE STORMS INCLUDE...
  GLENDORA...BARODA AND DAYTON...
  BERRIEN SPRINGS...GEORGETOWN AND BERTRAND...
  EAU CLAIRE...SUMNERVILLE AND BARRON LAKE...
  INDIAN LAKE...SANDY BEACH AND DEWEY LAKE...

THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. THIS 
STORM IS CAPABLE OF PRODUCING TORNADOES. IF YOU ARE IN THE PATH OF 
THIS TORNADO...TAKE COVER IMMEDIATELY

LAT...LON 4195 8664 4178 8644 4167 8649 4154 8650
      4161 8606 4208 8607 4207 8628

$$
2 follow-up statements
000 
WWUS53 KIWX 152058
SVSIWX

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

INC141-MIC021-027-152130-
/O.CON.KIWX.TO.W.0013.000000T0000Z-070515T2130Z/
ST. JOSEPH IN-BERRIEN MI-CASS MI-
455 PM EDT TUE MAY 15 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR NORTHERN 
ST. JOSEPH COUNTY IN NORTH CENTRAL INDIANA...AND WESTERN CASS AND 
SOUTHERN BERRIEN COUNTIES IN SOUTHWEST MICHIGAN...

AT 453 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO NEAR US 
HIGHWAY 20 AND RICE ROAD IN NORTHERN ST. JOSEPH COUNTY. THESE SEVERE 
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM GLENDORA TO SOUTH 
BEND...OR ALONG A LINE EXTENDING FROM 5 MILES NORTHWEST OF BUCHANAN 
TO SOUTH BEND...AND MOVING EAST AT 50 MPH.

LOCATIONS IN THE PATH OF SEVERE THUNDERSTORMS INCLUDE...
  BERRIEN SPRINGS...EAU CLAIRE AND GEORGETOWN...
  INDIAN LAKE...OSCEOLA AND GRANGER...
  SUMNERVILLE...POKAGON AND SANDY BEACH...
  DAILEY AND DOWAGIAC...

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

THIS IS AN EXTREMELY 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 4195 8664 4178 8644 4167 8649 4154 8650
      4161 8606 4208 8607 4207 8628

$$
000 
WWUS53 KIWX 152120
SVSIWX

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

INC141-MIC021-152129-
/O.CAN.KIWX.TO.W.0013.000000T0000Z-070515T2130Z/
ST. JOSEPH IN-BERRIEN MI-
519 PM EDT TUE MAY 15 2007

...THE TORNADO WARNING FOR ST. JOSEPH COUNTY IN NORTH CENTRAL
INDIANA...AND BERRIEN COUNTY IN SOUTHWEST MICHIGAN IS CANCELLED...

AT 518 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE LINE OF SEVERE THUNDERSTORMS WHICH PROMPTED THE WARNING HAD 
MOVED OUT AND NO LONGER POSED 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 4208 8627 4174 8621 4172 8606 4208 8607

$$

MIC027-152130-
/O.CON.KIWX.TO.W.0013.000000T0000Z-070515T2130Z/
CASS MI-
519 PM EDT TUE MAY 15 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EDT FOR WESTERN
CASS COUNTY IN SOUTHWEST MICHIGAN...

AT 518 PM EDT...A LINE OF SEVERE THUNDERSTORMS WITH DAMAGING WIND UP 
TO 70 MPH WERE REPORTED. THESE SEVERE STORMS WERE LOCATED ALONG A 
LINE EXTENDING FROM DOWAGIAC TO 10 MILES EAST OF EDWARDSBURG...OR 
ALONG A LINE EXTENDING FROM DOWAGIAC TO 5 MILES NORTHEAST OF 
SIMONTON LAKE...AND MOVING EAST AT 50 MPH. THIS TORNADO WARNING WILL 
BE ALLOWED TO EXPIRE AT 530 PM.

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

LAT...LON 4208 8627 4174 8621 4172 8606 4208 8607

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 2:30 PM EDTSevere Thunderstorm WarningIWXBranch38 min
May 15, 3:18 PM EDTSevere Thunderstorm WarningIWXHillsdale27 min
May 15, 4:13 PM EDTTornado WarningIWXBerrien41 min
May 15, 5:04 PM EDTTornado WarningIWXBerrien26 min
May 15, 5:14 PM EDTTornado WarningIWXCass46 min
May 15, 5:26 PM EDTSevere Thunderstorm WarningIWXBranch, Saint Joseph64 min
May 15, 5:37 PM EDTTornado WarningIWXSaint Joseph38 min
May 15, 6:13 PM EDTSevere Thunderstorm WarningIWXHillsdale47 min
May 15, 6:46 PM EDTSevere Thunderstorm WarningIWXHillsdale29 min
May 15, 1:55 PM EDTSevere Thunderstorm WarningIWXElkhart, Saint Joseph52 min
May 15, 2:53 PM EDTSevere Thunderstorm WarningIWXKosciusko, Noble49 min
May 15, 3:58 PM EDTSevere Thunderstorm WarningIWXKosciusko32 min
May 15, 4:03 PM EDTSevere Thunderstorm WarningIWXPulaski42 min
May 15, 4:08 PM EDTSpecial Marine WarningIWX97 min
May 15, 4:23 PM EDTSevere Thunderstorm WarningIWXFulton, Marshall52 min
May 15, 4:43 PM EDTSevere Thunderstorm WarningIWXKosciusko62 min
May 15, 4:51 PM EDTTornado WarningIWXPulaski, Starke39 min
May 15, 5:01 PM EDTSevere Thunderstorm WarningIWXWhite25 min
May 15, 5:09 PM EDTTornado WarningIWXFulton, Marshall, Starke39 min
May 15, 5:11 PM EDTTornado WarningIWXCass49 min
May 15, 5:12 PM EDTSevere Thunderstorm WarningIWXElkhart, LaGrange, Noble48 min
May 15, 5:26 PM EDTSevere Thunderstorm WarningIWXFulton34 min
May 15, 5:33 PM EDTFlash Flood WarningIWXLaPorte, Saint Joseph3 hr
May 15, 5:35 PM EDTSevere Thunderstorm WarningIWXKosciusko, Miami, Wabash34 min
May 15, 5:51 PM EDTSevere Thunderstorm WarningIWXHuntington, Noble, Whitley47 min
May 15, 6:23 PM EDTSevere Thunderstorm WarningIWXDeKalb, Steuben42 min

Nearby

Tornado Warnings in Michigan, 2007Tornado Warnings in Indiana, 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.