Alert archive / Michigan / Tornado Warnings in 2014

Tornado Warning 4, NWS Detroit, MI

May 12, 2014Monroe County, Wayne County, Michigan

NWS Detroit, MI issued this tornado warning at May 12, 2014, 4:28 PM EDT for Monroe County, Wayne County, Michigan. It was in force for 62 min. 1 report 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 12, 2014, 4:28 PM EDT (20:28 UTC)
Expired
May 12, 2014, 5:30 PM EDT
In force
62 min
Issued by
NWS Detroit, MI
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Monroe County, MI, Wayne County, MI

The radar

The Detroit radar (KDTX), 69 km from the middle of the area, began a volume at 20:29 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

TimeReportWhereRemark
May 12, 4:51 PM EDTFUNNEL CLOUD2 W Taylor, MI

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.

IssuedProductOfficeLasted
May 12, 2:41 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 8.5 hours before the alert went out and 71 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-pSkew-T log-p diagram, Detroit, MI at 12:00Z on 2014-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 2014-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1025 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
126 m²/s²
0-3 km storm-relative helicity
117 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.

425 
WFUS53 KDTX 122028
TORDTX
MIC115-163-122130-
/O.NEW.KDTX.TO.W.0004.140512T2028Z-140512T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
428 PM EDT MON MAY 12 2014

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN MONROE COUNTY IN SOUTHEAST MICHIGAN...
  SOUTHWESTERN WAYNE COUNTY IN SOUTHEAST MICHIGAN...

* UNTIL 530 PM EDT

* AT 425 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 5 MILES EAST OF MILAN...AND MOVING EAST AT 35
  MPH.

  HAZARD...TORNADO AND QUARTER SIZE HAIL.

  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...
  SUMPTER TOWNSHIP AND SCOFIELD AROUND 435 PM EDT.
  WALTZ AND WILLOW AROUND 440 PM EDT.
  NEWPORT AROUND 450 PM EDT.
  FLAT ROCK AND ROCKWOOD AROUND 455 PM EDT.
  GIBRALTER AND TRENTON AROUND 500 PM EDT.
  GROSSE ILE AROUND 505 PM EDT.

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 4201 8372 4208 8373 4208 8354 4222 8354
      4224 8313 4218 8314 4212 8312 4210 8314
      4209 8313 4207 8318 4204 8318 4203 8316
      4200 8317 4198 8346
TIME...MOT...LOC 2028Z 266DEG 30KT 4208 8355

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

BEHNKE
5 follow-up statements
027 
WWUS53 KDTX 122041
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
441 PM EDT MON MAY 12 2014

MIC115-163-122130-
/O.CON.KDTX.TO.W.0004.000000T0000Z-140512T2130Z/
MONROE MI-WAYNE MI-
441 PM EDT MON MAY 12 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN WAYNE AND
NORTHEASTERN MONROE COUNTIES UNTIL 530 PM EDT...

AT 438 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 5 MILES NORTH OF MAYBEE...AND MOVING EAST AT 25 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL.

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...
  WALTZ AND WILLOW AROUND 455 PM EDT.
  FLAT ROCK AROUND 510 PM EDT.
  ROCKWOOD AND SOUTH ROCKWOOD AROUND 515 PM EDT.
  GIBRALTER AND TRENTON AROUND 520 PM EDT.
  GROSSE ILE AND RIVERVIEW AROUND 525 PM EDT.

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 4203 8358 4208 8357 4209 8354 4222 8354
      4224 8314 4223 8313 4218 8314 4212 8312
      4211 8314 4209 8313 4207 8318 4204 8318
      4203 8316 4200 8317
TIME...MOT...LOC 2041Z 266DEG 21KT 4208 8351

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

MR
141 
WWUS53 KDTX 122054
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
454 PM EDT MON MAY 12 2014

MIC115-163-122130-
/O.CON.KDTX.TO.W.0004.000000T0000Z-140512T2130Z/
MONROE MI-WAYNE MI-
454 PM EDT MON MAY 12 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN WAYNE AND
NORTHEASTERN MONROE COUNTIES UNTIL 530 PM EDT...

AT 451 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR CARLETON...AND MOVING EAST AT 25 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL.

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...
  FLAT ROCK AROUND 510 PM EDT.
  ROCKWOOD AND SOUTH ROCKWOOD AROUND 515 PM EDT.
  GIBRALTER AND TRENTON AROUND 520 PM EDT.
  RIVERVIEW AROUND 525 PM EDT.
  GROSSE ILE AROUND 530 PM EDT.

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 4203 8358 4208 8357 4209 8354 4222 8354
      4224 8314 4223 8313 4218 8314 4212 8312
      4211 8314 4209 8313 4207 8318 4204 8318
      4203 8316 4200 8317
TIME...MOT...LOC 2054Z 268DEG 21KT 4208 8341

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

MR
285 
WWUS53 KDTX 122102
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
502 PM EDT MON MAY 12 2014

MIC115-163-122130-
/O.CON.KDTX.TO.W.0004.000000T0000Z-140512T2130Z/
MONROE MI-WAYNE MI-
502 PM EDT MON MAY 12 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN WAYNE AND
NORTHEASTERN MONROE COUNTIES UNTIL 530 PM EDT...

AT 459 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR CARLETON...AND MOVING EAST AT 25 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL.

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...
  FLAT ROCK AROUND 510 PM EDT.
  ROCKWOOD AND SOUTH ROCKWOOD AROUND 515 PM EDT.
  GIBRALTER AND TRENTON AROUND 520 PM EDT.
  GROSSE ILE AROUND 525 PM EDT.

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 4203 8358 4208 8357 4209 8354 4212 8354
      4223 8338 4224 8314 4223 8313 4218 8314
      4212 8312 4211 8314 4209 8313 4207 8318
      4204 8318 4203 8316 4200 8317
TIME...MOT...LOC 2102Z 268DEG 21KT 4208 8335

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

MR
827 
WWUS53 KDTX 122112
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
512 PM EDT MON MAY 12 2014

MIC115-163-122130-
/O.CON.KDTX.TO.W.0004.000000T0000Z-140512T2130Z/
MONROE MI-WAYNE MI-
512 PM EDT MON MAY 12 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL WAYNE AND
NORTHEASTERN MONROE COUNTIES UNTIL 530 PM EDT...

AT 508 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR FLAT ROCK...AND MOVING EAST AT 25 MPH.

HAZARD...TORNADO AND QUARTER SIZE HAIL.

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...
  GIBRALTER AROUND 520 PM EDT.

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 4200 8317 4202 8343 4209 8341 4211 8334
      4212 8312 4211 8314 4209 8313 4207 8318
      4204 8318 4203 8316
TIME...MOT...LOC 2112Z 268DEG 21KT 4208 8327

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

MR
180 
WWUS53 KDTX 122128
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
528 PM EDT MON MAY 12 2014

MIC115-163-122138-
/O.EXP.KDTX.TO.W.0004.000000T0000Z-140512T2130Z/
MONROE MI-WAYNE MI-
528 PM EDT MON MAY 12 2014

...THE TORNADO WARNING FOR SOUTH CENTRAL WAYNE AND NORTHEASTERN
MONROE COUNTIES WILL EXPIRE AT 530 PM EDT...

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

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 PM EDT.

LAT...LON 4200 8317 4202 8343 4209 8341 4211 8334
      4212 8312 4211 8314 4209 8313 4207 8318
      4204 8318 4203 8316
TIME...MOT...LOC 2128Z 268DEG 21KT 4208 8314

$$

MR

The office that day

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

IssuedProductOfficeCountiesLasted
May 12, 1:09 PM EDTAreal Flood AdvisoryDTXShiawassee6 hr
May 12, 3:02 PM EDTSevere Thunderstorm WarningDTXLivingston, Washtenaw58 min
May 12, 3:18 PM EDTTornado WarningDTXLivingston, Washtenaw57 min
May 12, 3:36 PM EDTAreal Flood AdvisoryDTXGenesee, Livingston, Oakland6 hr
May 12, 3:48 PM EDTTornado WarningDTXWashtenaw57 min
May 12, 4:05 PM EDTSevere Thunderstorm WarningDTXLenawee, Monroe55 min
May 12, 4:14 PM EDTTornado WarningDTXLivingston, Washtenaw46 min
May 12, 4:33 PM EDTFlash Flood WarningDTXGenesee, Livingston, Oakland, Shiawassee6 hr
May 12, 4:55 PM EDTTornado WarningDTXMonroe65 min
May 12, 5:35 PM EDTSevere Thunderstorm WarningDTXLivingston55 min
May 12, 5:57 PM EDTAreal Flood AdvisoryDTXLivingston6 hr

Nearby

Tornado Warnings in Michigan, 2014Every tornado warning in 2014Tornadoes in 2014

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.