Alert archive / Michigan / Tornado Warnings in 2007

Tornado Warning 19, NWS Northern Indiana

May 15, 2007Saint Joseph County, Michigan

NWS Northern Indiana issued this tornado warning at May 15, 2007, 5:37 PM EDT for Saint Joseph County, Michigan. It was in force for 38 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: May 15, 2007, 5:37 PM EDT (21:37 UTC)
Expired: May 15, 2007, 6:15 PM EDT
In force: 38 min
Issued by: NWS Northern Indiana
Area: Counties, with a storm outline in the text

County Saint Joseph County, MI

The radar

The Northern Indiana radar (KIWX), 72 km from the middle of the area, began a volume at 21:38 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

Time	Report	Where	Remark
May 15, 5:40 PM EDT	TSTM WND DMG	Centreville, MI	SEVERAL TREES AND POWERLINES DOWN
May 15, 5:48 PM EDT	TSTM WND GST 68	2.3 Ne Three Rivers, MI	* 1 INJ * TREE FELL ON CAR CAUSING MINOR INJURY TO OCCUPANT
May 15, 6:10 PM EDT	TSTM WND DMG	Centreville, MI	LARGE TREE LIMBS DOWN ALONG WITH SOME STREET FLOODING

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.

Issued	Product	Office	Lasted
May 15, 1:53 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 9.6 hours before the alert went out and 194 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 152137
TORIWX
MIC149-152215-
/O.NEW.KIWX.TO.W.0019.070515T2137Z-070515T2215Z/

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

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN ST. JOSEPH COUNTY IN SOUTHWEST MICHIGAN

* UNTIL 615 PM EDT

* AT 533 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS SEVERE STORM WAS
  LOCATED 3 MILES SOUTHWEST OF COREY LAKE...OR ABOUT 9 MILES WEST OF
  THREE RIVERS...AND MOVING NORTHEAST AT 50 MPH.

* LOCATIONS IN THE PATH OF THE SEVERE STORM INCLUDE...
  FISHERS LAKE...MOORE PARK AND CENTREVILLE...
  WASEPI...
  MENDON...
  LEONIDAS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
DESTRUCTIVE STRAIGHT LINE 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.

LAT...LON 4207 8577 4181 8576 4199 8530 4208 8530

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 15, 2:30 PM EDT	Severe Thunderstorm Warning	IWX	Branch	38 min
May 15, 3:18 PM EDT	Severe Thunderstorm Warning	IWX	Hillsdale	27 min
May 15, 4:13 PM EDT	Tornado Warning	IWX	Berrien	41 min
May 15, 4:44 PM EDT	Tornado Warning	IWX	Berrien, Cass	46 min
May 15, 5:04 PM EDT	Tornado Warning	IWX	Berrien	26 min
May 15, 5:14 PM EDT	Tornado Warning	IWX	Cass	46 min
May 15, 5:26 PM EDT	Severe Thunderstorm Warning	IWX	Branch, Saint Joseph	64 min
May 15, 6:13 PM EDT	Severe Thunderstorm Warning	IWX	Hillsdale	47 min
May 15, 6:46 PM EDT	Severe Thunderstorm Warning	IWX	Hillsdale	29 min

Nearby

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