Alert archive / Michigan / Tornado Warnings in 2014

Tornado Warning 5, NWS Detroit, MI

May 12, 2014Monroe County, Michigan

NWS Detroit, MI issued this tornado warning at May 12, 2014, 4:55 PM EDT for Monroe County, Michigan. It was in force for 65 min. 2 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
May 12, 2014, 4:55 PM EDT (20:55 UTC)
Expired
May 12, 2014, 6:00 PM EDT
In force
65 min
Issued by
NWS Detroit, MI
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Monroe County, MI

The radar

The Detroit radar (KDTX), 84 km from the middle of the area, began a volume at 20:55 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, 4:55 PM EDTTORNADO4 E Dundee, MINO DAMAGE
May 12, 5:22 PM EDTTORNADO3 Ene Monroe, MIROPE TORNADO REPORTED NEAR DETROIT BEACH

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, 8.9 hours before the alert went out and 86 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.

100 
WFUS53 KDTX 122055
TORDTX
MIC115-122200-
/O.NEW.KDTX.TO.W.0005.140512T2055Z-140512T2200Z/

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

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A

* TORNADO WARNING FOR...
  MONROE COUNTY IN SOUTHEAST MICHIGAN...

* UNTIL 600 PM EDT

* AT 451 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED NEAR DUNDEE...AND MOVING EAST AT 30 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...
  MAYBEE AND OAKVILLE AROUND 500 PM EDT.
  SCOFIELD AROUND 505 PM EDT.
  CARLETON AROUND 515 PM EDT.
  NEWPORT AROUND 525 PM EDT.
  SOUTH ROCKWOOD AND ESTRAL BEACH 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 4185 8361 4193 8377 4208 8377 4209 8329
      4204 8321 4203 8316 4199 8318 4198 8322
      4196 8325 4192 8327 4193 8331 4188 8333
      4186 8338 4179 8342
TIME...MOT...LOC 2055Z 249DEG 25KT 4198 8358

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

$$

BEHNKE
4 follow-up statements
846 
WWUS53 KDTX 122108
SVSDTX

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

MIC115-122200-
/O.CON.KDTX.TO.W.0005.000000T0000Z-140512T2200Z/
MONROE MI-
508 PM EDT MON MAY 12 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN MONROE COUNTY
UNTIL 600 PM EDT...

AT 503 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR MAYBEE...AND MOVING EAST AT 20 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...
  MONROE AND CARLETON AROUND 520 PM EDT.
  NEWPORT AROUND 530 PM EDT.
  STONY POINT AROUND 535 PM EDT.
  ESTRAL BEACH AND SOUTH ROCKWOOD AROUND 540 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 4194 8356 4209 8355 4209 8329 4203 8319
      4203 8316 4199 8318 4198 8322 4196 8325
      4192 8327 4193 8332 4188 8334
TIME...MOT...LOC 2108Z 268DEG 19KT 4196 8347

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

$$

MR
951 
WWUS53 KDTX 122123
SVSDTX

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

MIC115-122200-
/O.CON.KDTX.TO.W.0005.000000T0000Z-140512T2200Z/
MONROE MI-
523 PM EDT MON MAY 12 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL MONROE COUNTY
UNTIL 600 PM EDT...

AT 521 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR MONROE...AND MOVING EAST AT 30 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...
  STONY POINT AROUND 530 PM EDT.
  ESTRAL BEACH AROUND 535 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 4193 8332 4195 8342 4202 8339 4201 8330
      4200 8317 4200 8318 4199 8319 4198 8322
      4196 8325 4192 8327
TIME...MOT...LOC 2122Z 266DEG 24KT 4196 8333

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

$$

MR
316 
WWUS53 KDTX 122133
SVSDTX

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

MIC115-122200-
/O.CON.KDTX.TO.W.0005.000000T0000Z-140512T2200Z/
MONROE MI-
533 PM EDT MON MAY 12 2014

...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL MONROE COUNTY
UNTIL 600 PM EDT...

AT 529 PM EDT...A CONFIRMED TORNADO WAS LOCATED 3 MILES EAST 
NORTHEAST OF MONROE...AND MOVING EAST AT 25 MPH.

HAZARD...DAMAGING TORNADO AND QUARTER SIZE HAIL.

SOURCE...WEATHER SPOTTERS 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 TORNADIC STORM WILL AFFECT DETROIT BEACH AND STONY POINT AT 532 
PM.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 4193 8333 4200 8330 4200 8318 4198 8322
      4196 8325 4192 8327
TIME...MOT...LOC 2132Z 275DEG 24KT 4194 8325

TORNADO...OBSERVED
HAIL...1.00IN

$$

MR
773 
WWUS53 KDTX 122139
SVSDTX

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

MIC115-122149-
/O.CAN.KDTX.TO.W.0005.000000T0000Z-140512T2200Z/
MONROE MI-
539 PM EDT MON MAY 12 2014

...THE TORNADO WARNING FOR EAST CENTRAL MONROE COUNTY IS CANCELLED...

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 4193 8333 4200 8330 4200 8318 4198 8322
      4196 8325 4192 8327
TIME...MOT...LOC 2139Z 275DEG 24KT 4194 8319

$$

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, 4:28 PM EDTTornado WarningDTXMonroe, Wayne62 min
May 12, 4:33 PM EDTFlash Flood WarningDTXGenesee, Livingston, Oakland, Shiawassee6 hr
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.