Alert archive / Michigan / Tornado Warnings in 2007
Tornado Warning 18, NWS Northern Indiana
NWS Northern Indiana issued this tornado warning at May 15, 2007, 5:14 PM EDT for Cass County, Michigan. It was in force for 46 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
- May 15, 2007, 5:14 PM EDT (21:14 UTC)
- Expired
- May 15, 2007, 6:00 PM EDT
- In force
- 46 min
- Issued by
- NWS Northern Indiana
- Area
- Counties, with a storm outline in the text
County Cass County, MI
The radar
The Northern Indiana radar (KIWX), 64 km from the middle of the area, began a volume at 21:13 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 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, 9.2 hours before the alert went out and 226 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KIWX 152114 TORIWX MIC027-152200- /O.NEW.KIWX.TO.W.0018.070515T2114Z-070515T2200Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NORTHERN INDIANA 514 PM EDT TUE MAY 15 2007 THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A * TORNADO WARNING FOR... EASTERN CASS COUNTY IN SOUTHWEST MICHIGAN * UNTIL 600 PM EDT * AT 508 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS SEVERE STORM WAS LOCATED 7 MILES WEST OF EAGLE LAKE...OR ABOUT 4 MILES NORTH OF GRANGER...AND MOVING EAST AT 40 MPH. * LOCATIONS IN THE PATH OF THE SEVERE STORM INCLUDE... JUNO LAKE...ADAMSVILLE AND CASSOPOLIS... CALVIN CENTER...DIAMOND LAKE AND UNION... PARADISE LAKE...SHAVEHEAD LAKE AND DONNELL LAKE... JONES AND WAKELEE... 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 4196 8607 4176 8607 4178 8576 4204 8576 $$
1 follow-up statement
000 WWUS53 KIWX 152159 SVSIWX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 559 PM EDT TUE MAY 15 2007 MIC027-152209- /O.EXP.KIWX.TO.W.0018.000000T0000Z-070515T2200Z/ CASS MI- 559 PM EDT TUE MAY 15 2007 ...THE TORNADO WARNING FOR EASTERN CASS COUNTY IN SOUTHWEST MICHIGAN EXPIRES AT 600 PM EDT... AT 558 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA. THEREFORE...THE TORNADO WARNING WILL BE ALLOWED TO EXPIRE AT 600 PM EDT. IF YOU HAVE SEVERE WEATHER TO REPORT...YOU CAN CALL YOUR LOCAL LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. LAT...LON 4196 8607 4176 8607 4178 8576 4204 8576 $$
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, 5:26 PM EDT | Severe Thunderstorm Warning | IWX | Branch, Saint Joseph | 64 min |
| May 15, 5:37 PM EDT | Tornado Warning | IWX | Saint Joseph | 38 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, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.