Alert archive / Michigan / Tornado Warnings in 2015

Tornado Warning 8, NWS Detroit, MI

June 23, 2015Washtenaw County, Michigan

NWS Detroit, MI issued this tornado warning at Jun 23, 2015, 1:32 AM EDT for Washtenaw County, Michigan. It was in force for 29 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: Jun 23, 2015, 1:32 AM EDT (05:32 UTC)
Expired: Jun 23, 2015, 2:01 AM EDT
In force: 29 min
Issued by: NWS Detroit, MI
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Washtenaw County, MI

The radar

The Detroit radar (KDTX), 66 km from the middle of the area, began a volume at 05:34 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 23, 1:33 AM EDT	TORNADO	3 Nne Manchester, MI	POSSIBLE TORNADO DAMAGE TO HOME ON KOTHE ROAD
Jun 23, 1:34 AM EDT	TORNADO	5 Ene Manchester, MI	MAJOR STRUCTURAL DAMAGE ON BETHEL CHURCH ROAD
Jun 23, 1:41 AM EDT	TSTM WND DMG	2 Ese Saline, MI	10 INCH TREE UPROOTED.
Jun 23, 1:41 AM EDT	TSTM WND DMG	5 Sse Ann Arbor, MI	MULTIPLE TREES DOWNED

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, 9:17 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 5.5 hours before the alert went out and 70 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.

570 
WFUS53 KDTX 230532
TORDTX
MIC161-230615-
/O.NEW.KDTX.TO.W.0008.150623T0532Z-150623T0615Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
132 AM EDT TUE JUN 23 2015

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN WASHTENAW COUNTY IN SOUTHEASTERN MICHIGAN...

* UNTIL 215 AM EDT
    
* AT 132 AM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR MANCHESTER...MOVING EAST AT 50 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...
  SALINE AROUND 145 AM EDT.
  ANN ARBOR AND MILAN AROUND 150 AM EDT.
  YPSILANTI AROUND 155 AM EDT.
  WILLIS AROUND 200 AM EDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
PLEASANT LAKE...PITTSFIELD TOWNSHIP...WHITTAKER AND BRIDGEWATER.

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 4224 8413 4232 8355 4210 8354 4208 8413
TIME...MOT...LOC 0532Z 264DEG 43KT 4219 8399 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

MANN

3 follow-up statements

802 
WWUS53 KDTX 230538
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
138 AM EDT TUE JUN 23 2015

MIC161-230615-
/O.CON.KDTX.TO.W.0008.000000T0000Z-150623T0615Z/
WASHTENAW MI-
138 AM EDT TUE JUN 23 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 AM EDT FOR SOUTHERN
WASHTENAW COUNTY...
        
AT 138 AM EDT...A CONFIRMED TORNADO WAS LOCATED NEAR SALINE...MOVING
EAST AT 50 MPH.

HAZARD...DAMAGING TORNADO. 

SOURCE...RADAR CONFIRMED TORNADO. 

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 TORNADO WILL BE NEAR...
  ANN ARBOR AND MILAN AROUND 150 AM EDT.
  YPSILANTI AROUND 155 AM EDT.
  WILLIS AROUND 200 AM EDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
PLEASANT LAKE...PITTSFIELD TOWNSHIP...WHITTAKER AND BRIDGEWATER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 4224 8413 4232 8355 4210 8354 4208 8413
TIME...MOT...LOC 0538Z 264DEG 43KT 4220 8388 

TORNADO...OBSERVED
HAIL...<.75IN

$$

MANN

004 
WWUS53 KDTX 230548
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
148 AM EDT TUE JUN 23 2015

MIC161-230615-
/O.CON.KDTX.TO.W.0008.000000T0000Z-150623T0615Z/
WASHTENAW MI-
148 AM EDT TUE JUN 23 2015

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 AM EDT FOR SOUTHERN
WASHTENAW COUNTY...
    
AT 147 AM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER MANCHESTER...MOVING EAST AT 50 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...
  SALINE AROUND 205 AM EDT.
  MILAN AROUND 210 AM EDT.
  WILLIS AROUND 215 AM EDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
PLEASANT LAKE...PITTSFIELD TOWNSHIP...WHITTAKER AND BRIDGEWATER.

THIS IS A SECOND CIRCULATION ASSOCIATED WITH THE LINE OF 
THUNDERSTORMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 4219 8413 4228 8355 4210 8354 4208 8413
TIME...MOT...LOC 0547Z 266DEG 43KT 4211 8402 

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

$$

MANN

880 
WWUS53 KDTX 230601
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
201 AM EDT TUE JUN 23 2015

MIC161-230611-
/O.CAN.KDTX.TO.W.0008.000000T0000Z-150623T0615Z/
WASHTENAW MI-
201 AM EDT TUE JUN 23 2015

...THE TORNADO WARNING FOR SOUTHERN WASHTENAW 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.  HOWEVER GUSTY WINDS AND
HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

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

LAT...LON 4219 8413 4228 8355 4210 8354 4208 8413
TIME...MOT...LOC 0559Z 264DEG 43KT 4213 8374 

$$

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, 10:34 PM EDT	Tornado Warning	DTX	Shiawassee	18 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, 1:34 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.