Alert archive / Michigan / Tornado Warnings in 2015

Tornado Warning 7, NWS Detroit, MI

June 22, 2015Shiawassee County, Michigan

NWS Detroit, MI issued this tornado warning at Jun 22, 2015, 10:34 PM EDT for Shiawassee County, Michigan. It was in force for 18 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: Jun 22, 2015, 10:34 PM EDT (02:34 UTC)
Expired: Jun 22, 2015, 10:52 PM EDT
In force: 18 min
Issued by: NWS Detroit, MI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Shiawassee County, MI

The radar

The Detroit radar (KDTX), 60 km from the middle of the area, began a volume at 02:37 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
Jun 22, 9:17 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 2.6 hours before the alert went out and 63 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: 2155 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 783 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 461 m²/s²
0-3 km storm-relative helicity: 798 m²/s²
Significant tornado parameter: 7.6
Supercell composite: 31.2

Open this sounding in Storm Lab

The text

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

382 
WFUS53 KDTX 230234
TORDTX
MIC155-230315-
/O.NEW.KDTX.TO.W.0007.150623T0234Z-150623T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1034 PM EDT MON JUN 22 2015

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL SHIAWASSEE COUNTY IN SOUTHEASTERN MICHIGAN...

* UNTIL 1115 PM EDT
    
* AT 1034 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR OWOSSO...MOVING EAST AT 30 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* THIS DANGEROUS STORM WILL BE NEAR...
  CORUNNA AROUND 1045 PM EDT.
  BANCROFT AROUND 1050 PM EDT.
  DURAND AROUND 1100 PM EDT.
  LENNON AROUND 1105 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE VERNON
AND BENNINGTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4288 8429 4302 8429 4305 8393 4278 8393
TIME...MOT...LOC 0234Z 269DEG 26KT 4293 8423 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

MANN

2 follow-up statements

351 
WWUS53 KDTX 230244
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1044 PM EDT MON JUN 22 2015

MIC155-230315-
/O.CON.KDTX.TO.W.0007.000000T0000Z-150623T0315Z/
SHIAWASSEE MI-
1044 PM EDT MON JUN 22 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT FOR EAST
CENTRAL SHIAWASSEE COUNTY...
    
AT 1043 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR CORUNNA...OR NEAR OWOSSO...MOVING EAST AT 30 MPH.

HAZARD...TORNADO. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

THIS DANGEROUS STORM WILL BE NEAR...
  DURAND AROUND 1055 PM EDT.
  LENNON AROUND 1100 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
VERNON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4290 8416 4300 8416 4305 8393 4283 8393
TIME...MOT...LOC 0243Z 269DEG 26KT 4293 8411 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

MANN

913 
WWUS53 KDTX 230252
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
1052 PM EDT MON JUN 22 2015

MIC155-230302-
/O.CAN.KDTX.TO.W.0007.000000T0000Z-150623T0315Z/
SHIAWASSEE MI-
1052 PM EDT MON JUN 22 2015

...THE TORNADO WARNING FOR EAST CENTRAL SHIAWASSEE COUNTY IS
CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM EDT FOR SOUTHEASTERN
MICHIGAN.

LAT...LON 4290 8416 4300 8416 4305 8393 4283 8393
TIME...MOT...LOC 0251Z 269DEG 26KT 4309 8355 

$$

MANN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 8:21 PM EDT	Severe Thunderstorm Warning	DTX	Sanilac	14 min
Jun 22, 8:25 PM EDT	Special Marine Warning	DTX		65 min
Jun 22, 8:45 PM EDT	Special Weather Statement	DTX	Bay, Saginaw, Tuscola	45 min
Jun 22, 9:00 PM EDT	Special Marine Warning	DTX		45 min
Jun 22, 9:01 PM EDT	Severe Thunderstorm Warning	DTX	Bay, Saginaw	59 min
Jun 22, 9:06 PM EDT	Severe Thunderstorm Warning	DTX	Huron, Tuscola	69 min
Jun 22, 9:44 PM EDT	Tornado Warning	DTX	Saginaw, Tuscola	46 min
Jun 22, 9:53 PM EDT	Severe Thunderstorm Warning	DTX	Sanilac	68 min
Jun 22, 10:16 PM EDT	Tornado Warning	DTX	Sanilac	44 min
Jun 22, 10:30 PM EDT	Tornado Warning	DTX	Lapeer, Tuscola	29 min
Jun 22, 10:36 PM EDT	Severe Thunderstorm Warning	DTX	Genesee	54 min
Jun 22, 10:38 PM EDT	Special Marine Warning	DTX		97 min
Jun 22, 10:57 PM EDT	Severe Thunderstorm Warning	DTX	Lapeer	63 min
Jun 22, 11:12 PM EDT	Special Weather Statement	DTX	Livingston	48 min
Jun 22, 11:15 PM EDT	Severe Thunderstorm Warning	DTX	Saint Clair	75 min
Jun 22, 11:40 PM EDT	Special Marine Warning	DTX		65 min
Jun 22, 11:49 PM EDT	Special Weather Statement	DTX	Oakland	26 min
Jun 22, 11:54 PM EDT	Severe Thunderstorm Warning	DTX	Shiawassee	44 min
Jun 23, 12:20 AM EDT	Special Weather Statement	DTX	Genesee, Oakland	25 min
Jun 23, 12:29 AM EDT	Severe Thunderstorm Warning	DTX	Washtenaw	76 min
Jun 23, 12:39 AM EDT	Special Weather Statement	DTX	Livingston	51 min
Jun 23, 1:08 AM EDT	Special Weather Statement	DTX	Lapeer, Saint Clair	37 min
Jun 23, 1:11 AM EDT	Areal Flood Advisory	DTX	Washtenaw	3 hr
Jun 23, 1:32 AM EDT	Tornado Warning	DTX	Washtenaw	29 min
Jun 23, 1:34 AM EDT	Special Weather Statement	DTX	Macomb, Oakland, Wayne	26 min
Jun 23, 1:44 AM EDT	Severe Thunderstorm Warning	DTX	Wayne	48 min
Jun 23, 1:56 AM EDT	Special Marine Warning	DTX		94 min
Jun 23, 2:02 AM EDT	Severe Thunderstorm Warning	DTX	Lenawee, Monroe	73 min
Jun 23, 10:12 AM EDT	Small Craft Advisory	DTX		6 hr

Nearby

Tornado Warnings in Michigan, 2015 Every tornado warning in 2015 Tornadoes in 2015

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.