Alert archive / Michigan / Tornado Warnings in 2011

Tornado Warning 12, NWS Detroit, MI

June 22, 2011Macomb County, Saint Clair County, Michigan

NWS Detroit, MI issued this tornado warning at Jun 22, 2011, 4:12 PM EDT for Macomb County, Saint Clair County, Michigan. It was in force for 63 min. 5 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: Jun 22, 2011, 4:12 PM EDT (20:12 UTC)
Expired: Jun 22, 2011, 5:15 PM EDT
In force: 63 min
Issued by: NWS Detroit, MI
Area: Storm-based polygon

Counties Macomb County, MI, Saint Clair County, MI

The radar

The Detroit radar (KDTX), 65 km from the middle of the area, began a volume at 20:12 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
Jun 22, 4:20 PM EDT	HAIL 1.25	Armada, MI
Jun 22, 4:37 PM EDT	HAIL 1	6 N Richmond, MI	REPORTED BY MEMPHIS FIRE DEPARTMENT
Jun 22, 4:59 PM EDT	FUNNEL CLOUD	Ruby, MI	ALSO REPORTED IN MEMPHIS AT 430 PM
Jun 22, 5:17 PM EDT	TSTM WND DMG	4 Ne Macomb Township, MI	ONE TREE DOWN
Jun 22, 5:24 PM EDT	TSTM WND DMG	Lakeport, MI	TREES AND POWER LINES DOWN ACROSS NORTH EAST ST. CLAIR COUNTY NEAR LAKEPORT

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
Jun 22, 1:14 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 8.2 hours before the alert went out and 61 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: 607 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 480 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 74 m²/s²
0-3 km storm-relative helicity: 118 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

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

928 
WFUS53 KDTX 222012
TORDTX
MIC099-147-222115-
/O.NEW.KDTX.TO.W.0012.110622T2012Z-110622T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
412 PM EDT WED JUN 22 2011

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN MACOMB COUNTY IN SOUTHEAST MICHIGAN...
  NORTHERN ST. CLAIR COUNTY IN SOUTHEAST MICHIGAN...

* UNTIL 515 PM EDT

* AT 408 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR ROMEO...AND MOVING NORTHEAST AT 35 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  ARMADA AROUND 420 PM EDT.
  ALLENTON AROUND 425 PM EDT.
  BERVILLE AND MEMPHIS AROUND 430 PM EDT.
  RILEY CENTER AROUND 435 PM EDT.
  EMMETT AROUND 440 PM EDT.
  GOODELLS AROUND 445 PM EDT.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  YALE...               ROMEO...              RICHMOND...
  MEMPHIS...            LAKEPORT...           EMMETT...
  CAPAC...              ARMADA...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4267 8290 4277 8310 4279 8310 4289 8303
      4290 8298 4296 8299 4316 8285 4317 8250
      4313 8248 4313 8246 4308 8244 4306 8245
      4304 8244
TIME...MOT...LOC 2012Z 213DEG 31KT 4278 8295

$$

AD/BT

4 follow-up statements

977 
WWUS53 KDTX 222026
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
426 PM EDT WED JUN 22 2011

MIC099-147-222115-
/O.CON.KDTX.TO.W.0012.000000T0000Z-110622T2115Z/
MACOMB MI-ST. CLAIR MI-
426 PM EDT WED JUN 22 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN ST. CLAIR AND
NORTHEASTERN MACOMB COUNTIES UNTIL 515 PM EDT...

AT 424 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR ARMADA...OR 6 MILES WEST OF RICHMOND...MOVING
NORTHEAST AT 25 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  RICHMOND AND BERVILLE AROUND 435 PM EDT.
  MEMPHIS AND RILEY CENTER AROUND 440 PM EDT.
  COLUMBUS AROUND 450 PM EDT.
  EMMETT AROUND 455 PM EDT.
  GOODELLS AND SMITHS CREEK AROUND 500 PM EDT.
  WADHAMS AND RUBY AROUND 510 PM EDT.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  YALE...               RICHMOND...           MEMPHIS...
  LAKEPORT...           EMMETT...             CAPAC...
  ARMADA...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4272 8284 4290 8298 4296 8299 4316 8285
      4317 8250 4313 8248 4313 8247 4308 8244
      4306 8245 4304 8244
TIME...MOT...LOC 2027Z 226DEG 23KT 4281 8285

$$

BT

665 
WWUS53 KDTX 222037
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
437 PM EDT WED JUN 22 2011

MIC099-147-222115-
/O.CON.KDTX.TO.W.0012.000000T0000Z-110622T2115Z/
MACOMB MI-ST. CLAIR MI-
437 PM EDT WED JUN 22 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN ST. CLAIR AND
NORTHEASTERN MACOMB COUNTIES UNTIL 515 PM EDT...

AT 433 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS 
STORM WAS LOCATED NEAR RICHMOND...MOVING NORTHEAST AT 25 MPH. 

THIS DANGEROUS STORM WILL BE NEAR...
  COLUMBUS AROUND 450 PM EDT.
  EMMETT AROUND 455 PM EDT.
  GOODELLS AND SMITHS CREEK AROUND 500 PM EDT.
  RUBY AND WADHAMS AROUND 510 PM EDT.
  NORTH STREET AND BLAINE AROUND 515 PM EDT.

A SECOND STORM IS LOCATED JUST WEST OF EMMETT MOVING TOWARD 
BROACKWAY AND IS ALSO CAPABLE OF PRODUCING A TORNADO.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  YALE...               RICHMOND...           MEMPHIS...
  LAKEPORT...           EMMETT...             CAPAC...
  ARMADA...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4272 8284 4290 8298 4296 8299 4316 8285
      4317 8250 4313 8248 4313 8247 4308 8244
      4306 8245 4304 8244
TIME...MOT...LOC 2036Z 222DEG 21KT 4286 8277

$$

AD/BT

850 
WWUS53 KDTX 222050
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
450 PM EDT WED JUN 22 2011

MIC099-222059-
/O.CAN.KDTX.TO.W.0012.000000T0000Z-110622T2115Z/
MACOMB MI-
450 PM EDT WED JUN 22 2011

...THE TORNADO WARNING FOR NORTHEASTERN MACOMB COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 4281 8273 4290 8274 4289 8298 4290 8298
      4296 8299 4316 8285 4317 8250 4308 8244
      4306 8245 4304 8244
TIME...MOT...LOC 2049Z 222DEG 21KT 4292 8270

$$

MIC147-222115-
/O.CON.KDTX.TO.W.0012.000000T0000Z-110622T2115Z/
ST. CLAIR MI-
450 PM EDT WED JUN 22 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHERN ST. CLAIR COUNTY
UNTIL 515 PM EDT...

AT 446 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR MEMPHIS...OR 7 MILES NORTH OF RICHMOND...
MOVING NORTHEAST AT 25 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  SMITHS CREEK AND EMMETT AROUND 455 PM EDT.
  GOODELLS AROUND 500 PM EDT.
  WADHAMS AND AVOCA AROUND 510 PM EDT.
  RUBY AND NORTH STREET AROUND 515 PM EDT.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  YALE...               LAKEPORT...           EMMETT...
  CAPAC...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4281 8273 4290 8274 4289 8298 4290 8298
      4296 8299 4316 8285 4317 8250 4308 8244
      4306 8245 4304 8244
TIME...MOT...LOC 2049Z 222DEG 21KT 4292 8270

$$

BT

259 
WWUS53 KDTX 222106
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
506 PM EDT WED JUN 22 2011

MIC147-222115-
/O.CON.KDTX.TO.W.0012.000000T0000Z-110622T2115Z/
ST. CLAIR MI-
506 PM EDT WED JUN 22 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN ST. CLAIR
COUNTY UNTIL 515 PM EDT...

AT 502 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 8 MILES NORTHWEST OF MARYSVILLE...OR 9 MILES WEST
OF PORT HURON...MOVING NORTHEAST AT 30 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  NORTH STREET AND LAKEPORT AROUND 515 PM EDT.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  LAKEPORT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4292 8259 4290 8274 4316 8274 4317 8250
      4308 8244 4306 8245 4304 8244
TIME...MOT...LOC 2106Z 221DEG 26KT 4300 8258

$$

AD/BT

The office that day

Everything else NWS Detroit, MI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 21, 8:05 PM EDT	Severe Thunderstorm Warning	DTX	Monroe	55 min
Jun 21, 8:06 PM EDT	Special Marine Warning	DTX		83 min
Jun 21, 8:29 PM EDT	Severe Thunderstorm Warning	DTX	Bay, Midland, Saginaw	76 min
Jun 21, 8:36 PM EDT	Severe Thunderstorm Warning	DTX	Lenawee	22 min
Jun 21, 9:02 PM EDT	Flash Flood Warning	DTX	Bay, Midland, Saginaw	6 hr
Jun 21, 9:04 PM EDT	Severe Thunderstorm Warning	DTX	Shiawassee	56 min
Jun 21, 9:23 PM EDT	Special Marine Warning	DTX		97 min
Jun 21, 9:31 PM EDT	Tornado Warning	DTX	Genesee, Saginaw	33 min
Jun 21, 9:44 PM EDT	Severe Thunderstorm Warning	DTX	Bay, Genesee, Saginaw, Tuscola	76 min
Jun 21, 9:59 PM EDT	Severe Thunderstorm Warning	DTX	Shiawassee	15 min
Jun 21, 10:27 PM EDT	Flash Flood Warning	DTX	Genesee, Shiawassee	5 hr
Jun 21, 10:27 PM EDT	Special Marine Warning	DTX		45 min
Jun 21, 10:40 PM EDT	Areal Flood Advisory	DTX	Macomb, Saint Clair	4 hr
Jun 21, 10:43 PM EDT	Severe Thunderstorm Warning	DTX	Lapeer, Tuscola	42 min
Jun 21, 10:46 PM EDT	Severe Thunderstorm Warning	DTX	Saint Clair	49 min
Jun 21, 10:48 PM EDT	Special Marine Warning	DTX		87 min
Jun 22, 4:22 AM EDT	Flash Flood Watch	DTX	Bay, Genesee, Huron, Lapeer, Midland, Saginaw and 4 more	15 hr
Jun 22, 1:48 PM EDT	Severe Thunderstorm Warning	DTX	Saginaw, Shiawassee	72 min
Jun 22, 1:50 PM EDT	Severe Thunderstorm Warning	DTX	Bay, Midland	85 min
Jun 22, 1:56 PM EDT	Special Marine Warning	DTX		109 min
Jun 22, 2:06 PM EDT	Severe Thunderstorm Warning	DTX	Shiawassee	69 min
Jun 22, 2:09 PM EDT	Special Marine Warning	DTX		96 min
Jun 22, 2:15 PM EDT	Severe Thunderstorm Warning	DTX	Livingston, Washtenaw	46 min
Jun 22, 2:36 PM EDT	Severe Thunderstorm Warning	DTX	Tuscola	69 min
Jun 22, 2:41 PM EDT	Severe Thunderstorm Warning	DTX	Genesee	59 min
Jun 22, 3:12 PM EDT	Severe Thunderstorm Warning	DTX	Oakland	63 min
Jun 22, 3:15 PM EDT	Severe Thunderstorm Warning	DTX	Huron	90 min
Jun 22, 3:22 PM EDT	Severe Thunderstorm Warning	DTX	Lapeer, Tuscola	52 min
Jun 22, 3:42 PM EDT	Special Marine Warning	DTX		93 min
Jun 22, 3:42 PM EDT	Severe Thunderstorm Warning	DTX	Macomb, Saint Clair	93 min
Jun 22, 3:53 PM EDT	Severe Thunderstorm Warning	DTX	Tuscola	43 min
Jun 22, 4:00 PM EDT	Severe Thunderstorm Warning	DTX	Huron, Sanilac	45 min
Jun 22, 4:07 PM EDT	Special Marine Warning	DTX		98 min
Jun 22, 4:44 PM EDT	Severe Thunderstorm Warning	DTX	Bay, Genesee, Saginaw	46 min
Jun 22, 4:45 PM EDT	Severe Thunderstorm Warning	DTX	Huron, Sanilac	30 min
Jun 22, 4:47 PM EDT	Special Marine Warning	DTX		58 min
Jun 22, 4:54 PM EDT	Severe Thunderstorm Warning	DTX	Lapeer, Tuscola	66 min
Jun 22, 5:15 PM EDT	Tornado Warning	DTX	Saint Clair	15 min
Jun 22, 5:22 PM EDT	Special Marine Warning	DTX		83 min
Jun 22, 5:30 PM EDT	Severe Thunderstorm Warning	DTX	Huron, Sanilac	75 min
Jun 22, 5:40 PM EDT	Severe Thunderstorm Warning	DTX	Lapeer, Macomb, Oakland, Saint Clair	80 min
Jun 22, 5:43 PM EDT	Special Marine Warning	DTX		107 min
Jun 22, 5:53 PM EDT	Special Marine Warning	DTX		97 min
Jun 22, 6:35 PM EDT	Special Marine Warning	DTX		55 min

Nearby

Tornado Warnings in Michigan, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.