Alert archive / Michigan / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 21, NWS Detroit, MI

May 22, 20134 counties in Michigan

NWS Detroit, MI issued this severe thunderstorm warning at May 22, 2013, 4:54 PM EDT for 4 counties in Michigan. It was in force for 66 min. 8 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 22, 2013, 4:54 PM EDT (20:54 UTC)
Expired
May 22, 2013, 6:00 PM EDT
In force
66 min
Issued by
NWS Detroit, MI
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Lenawee County, MI, Monroe County, MI, Washtenaw County, MI, Wayne County, MI

The radar

The Detroit radar (KDTX), 56 km from the middle of the area, began a volume at 20:57 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 22, 4:58 PM EDTTSTM WND DMGEse Dundee, MI9 INCH TREE BRANCH DOWN.
May 22, 4:59 PM EDTTSTM WND GST 50E Britton, MI
May 22, 5:14 PM EDTTSTM WND DMG6 Ne Milan, MI14 INCH TREE BRANCH DOWN ACROSS ROAD BRINGING DOWN POWER LINES. RADAR ESTIMATED TIME.
May 22, 5:23 PM EDTTSTM WND GST 576 Ssw Canton, MI
May 22, 5:27 PM EDTTSTM WND GST 541 Se Romulus, MI
May 22, 5:30 PM EDTTSTM WND DMG5 Nne Taylor, MI24 INCH DIAMETER TREE SNAPPED IN HALF. TIME ESTIMATED FROM RADAR.
May 22, 5:49 PM EDTTSTM WND DMG4 Nnw Dearborn, MI16 INCH TREE LIMB DOWN.
May 22, 5:49 PM EDTTSTM WND DMG5 E Livonia, MIPOWER LINES DOWN AND ON FIRE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 8.9 hours before the alert went out and 57 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 2013-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 196 joules per kilogram.LCLLFCEL10008507005003002001001 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 2013-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.19395878Sfc1 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
196 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
674 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
214 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

096 
WUUS53 KDTX 222054
SVRDTX
MIC091-115-161-163-222200-
/O.NEW.KDTX.SV.W.0021.130522T2054Z-130522T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
454 PM EDT WED MAY 22 2013

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN LENAWEE COUNTY IN SOUTHEAST MICHIGAN...
  NORTHERN MONROE COUNTY IN SOUTHEAST MICHIGAN...
  EASTERN WASHTENAW COUNTY IN SOUTHEAST MICHIGAN...
  WAYNE COUNTY IN SOUTHEAST MICHIGAN...

* UNTIL 600 PM EDT

* AT 453 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  PETERSBURG...AND MOVING NORTHEAST AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED.

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  DUNDEE AND CONE AROUND 500 PM EDT.
  AZALIA AROUND 505 PM EDT.
  MILAN AND MAYBEE AROUND 510 PM EDT.
  OAKVILLE AND WHITTAKER AROUND 515 PM EDT.
  SUMPTER TOWNSHIP AND WILLIS AROUND 520 PM EDT.
  WILLOW AND WALTZ AROUND 525 PM EDT.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  DETROIT...            WYANDOTTE...          WILLIS...
  TRENTON...            YPSILANTI...          TAYLOR...
  ROMULUS...            PETERSBURG...         NORTHVILLE...
  MILAN...              MAYBEE...             LIVONIA...
  IDA...                FLAT ROCK...          DUNDEE...
  DOWNTOWN DETROIT...   DEARBORN...           CARLETON...
  CANTON...             BRITTON...            BELLEVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4198 8387 4244 8356 4245 8287 4244 8286
      4233 8298 4232 8306 4229 8309 4226 8311
      4224 8313 4217 8314 4214 8317 4186 8362
TIME...MOT...LOC 2055Z 219DEG 34KT 4195 8372

HAIL...<.75IN
WIND...60MPH

$$

MANN
5 follow-up statements
861 
WWUS53 KDTX 222104
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
504 PM EDT WED MAY 22 2013

MIC091-115-161-163-222200-
/O.CON.KDTX.SV.W.0021.000000T0000Z-130522T2200Z/
LENAWEE MI-WASHTENAW MI-MONROE MI-WAYNE MI-
504 PM EDT WED MAY 22 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WAYNE...
NORTHERN MONROE...EASTERN WASHTENAW AND NORTHEASTERN LENAWEE COUNTIES
UNTIL 600 PM EDT...

AT 501 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR DUNDEE...AND
MOVING NORTHEAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  MILAN AND MAYBEE AROUND 510 PM EDT.
  OAKVILLE AND WHITTAKER AROUND 515 PM EDT.
  SUMPTER TOWNSHIP AND WILLIS AROUND 520 PM EDT.
  BELLEVILLE AND WILLOW AROUND 525 PM EDT.
  NEW BOSTON AROUND 530 PM EDT.
  ROMULUS AND CANTON AROUND 535 PM EDT.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  DETROIT...            WYANDOTTE...          WILLIS...
  TRENTON...            YPSILANTI...          TAYLOR...
  SALEM...              ROMULUS...            NORTHVILLE...
  MILAN...              MAYBEE...             LIVONIA...
  IDA...                FLAT ROCK...          DUNDEE...
  DOWNTOWN DETROIT...   DEARBORN...           CARLETON...
  CANTON...             BRITTON...            BELLEVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4198 8387 4244 8356 4244 8286 4233 8298
      4232 8306 4229 8309 4224 8313 4217 8314
      4214 8317 4188 8359
TIME...MOT...LOC 2103Z 219DEG 34KT 4201 8366

HAIL...<.75IN
WIND...60MPH

$$

MR
819 
WWUS53 KDTX 222114
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
514 PM EDT WED MAY 22 2013

MIC091-222125-
/O.CAN.KDTX.SV.W.0021.000000T0000Z-130522T2200Z/
LENAWEE MI-
514 PM EDT WED MAY 22 2013

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LENAWEE COUNTY IS
CANCELLED...

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

LAT...LON 4201 8377 4211 8378 4244 8356 4244 8287
      4233 8298 4232 8306 4229 8309 4224 8313
      4217 8314 4214 8317 4196 8347
TIME...MOT...LOC 2115Z 221DEG 42KT 4214 8350

$$

MIC115-161-163-222200-
/O.CON.KDTX.SV.W.0021.000000T0000Z-130522T2200Z/
WASHTENAW MI-MONROE MI-WAYNE MI-
514 PM EDT WED MAY 22 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WAYNE...
NORTHERN MONROE AND EASTERN WASHTENAW COUNTIES UNTIL 600 PM EDT...

AT 510 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WILLIS...AND
MOVING NORTHEAST AT 50 MPH.

HAZARD...60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  BELLEVILLE AND NEW BOSTON AROUND 520 PM EDT.
  ROMULUS AROUND 525 PM EDT.
  INKSTER AND WAYNE AROUND 530 PM EDT.
  DEARBORN HEIGHTS AND GARDEN CITY AROUND 535 PM EDT.
  DEARBORN AND REDFORD AROUND 540 PM EDT.
  NORTHWEST DETROIT AND DETROIT AROUND 545 PM EDT.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  DETROIT...            WYANDOTTE...          WILLIS...
  TRENTON...            YPSILANTI...          TAYLOR...
  SALEM...              ROMULUS...            NORTHVILLE...
  MILAN...              MAYBEE...             LIVONIA...
  FLAT ROCK...          DOWNTOWN DETROIT...   DEARBORN...
  CARLETON...           CANTON...             BELLEVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4201 8377 4211 8378 4244 8356 4244 8287
      4233 8298 4232 8306 4229 8309 4224 8313
      4217 8314 4214 8317 4196 8347
TIME...MOT...LOC 2115Z 221DEG 42KT 4214 8350

HAIL...<.75IN
WIND...60MPH

$$

MR
358 
WWUS53 KDTX 222129
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
529 PM EDT WED MAY 22 2013

MIC115-222138-
/O.CAN.KDTX.SV.W.0021.000000T0000Z-130522T2200Z/
MONROE MI-
529 PM EDT WED MAY 22 2013

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MONROE COUNTY IS
CANCELLED...

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

LAT...LON 4244 8287 4233 8298 4232 8306 4229 8309
      4224 8313 4217 8314 4209 8325 4213 8349
      4221 8371 4243 8356
TIME...MOT...LOC 2128Z 221DEG 42KT 4225 8337

$$

MIC161-163-222200-
/O.CON.KDTX.SV.W.0021.000000T0000Z-130522T2200Z/
WASHTENAW MI-WAYNE MI-
529 PM EDT WED MAY 22 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WAYNE AND
NORTHEASTERN WASHTENAW COUNTIES UNTIL 600 PM EDT...

AT 527 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ROMULUS...AND
MOVING NORTHEAST AT 50 MPH.

HAZARD...60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  DEARBORN HEIGHTS AND GARDEN CITY AROUND 535 PM EDT.
  DEARBORN AND REDFORD AROUND 540 PM EDT.
  NORTHWEST DETROIT AND DETROIT AROUND 545 PM EDT.
  HIGHLAND PARK AND HAMTRAMCK AROUND 550 PM EDT.
  NORTHEAST DETROIT AROUND 555 PM EDT.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  DETROIT...            WYANDOTTE...          WILLIS...
  TRENTON...            YPSILANTI...          TAYLOR...
  SALEM...              ROMULUS...            NORTHVILLE...
  LIVONIA...            FLAT ROCK...          DOWNTOWN DETROIT...
  DEARBORN...           CANTON...             BELLEVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4244 8287 4233 8298 4232 8306 4229 8309
      4224 8313 4217 8314 4209 8325 4213 8349
      4221 8371 4243 8356
TIME...MOT...LOC 2128Z 221DEG 42KT 4225 8337

HAIL...<.75IN
WIND...60MPH

$$

MR
366 
WWUS53 KDTX 222144
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
544 PM EDT WED MAY 22 2013

MIC161-222153-
/O.CAN.KDTX.SV.W.0021.000000T0000Z-130522T2200Z/
WASHTENAW MI-
544 PM EDT WED MAY 22 2013

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WASHTENAW COUNTY
IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS WEAKEND ACROSS THE 
WARNED AREA.  ADDITIONAL SHOWERS CONTAINING GUSTY WINDS 30 TO 40 MPH 
WILL CONTINUE TO MOVE ACROSS THE COUNTY THROUGH 630 PM.  

LAT...LON 4244 8287 4233 8298 4232 8306 4229 8309
      4224 8313 4217 8314 4215 8317 4217 8323
      4229 8354 4243 8355
TIME...MOT...LOC 2143Z 217DEG 33KT 4248 8356 4228 8303

$$

MIC163-222200-
/O.CON.KDTX.SV.W.0021.000000T0000Z-130522T2200Z/
WAYNE MI-
544 PM EDT WED MAY 22 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WAYNE COUNTY
UNTIL 600 PM EDT...

AT 540 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM SOUTH LYON TO 5 MILES SOUTH OF DOWNTOWN DETROIT...AND
MOVING NORTHEAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.

SEVERE THUNDERSTORMS WILL BE NEAR...
  DETROIT AND NORTHWEST DETROIT AROUND 545 PM EDT.
  HIGHLAND PARK AND HAMTRAMCK AROUND 550 PM EDT.
  HARPER WOODS AND GROSSE POINTE WOODS AROUND 600 PM EDT.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  DETROIT...            WYANDOTTE...          TAYLOR...
  LIVONIA...            DOWNTOWN DETROIT...   DEARBORN...
  CANTON...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4244 8287 4233 8298 4232 8306 4229 8309
      4224 8313 4217 8314 4215 8317 4217 8323
      4229 8354 4243 8355
TIME...MOT...LOC 2143Z 217DEG 33KT 4248 8356 4228 8303

HAIL...<.75IN
WIND...60MPH

$$

MR
172 
WWUS53 KDTX 222158
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
558 PM EDT WED MAY 22 2013

MIC163-222208-
/O.EXP.KDTX.SV.W.0021.000000T0000Z-130522T2200Z/
WAYNE MI-
558 PM EDT WED MAY 22 2013

...THE SEVERE THUNDERSTORM WARNING FOR WAYNE COUNTY WILL EXPIRE AT
600 PM EDT...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE
WARNED AREA.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN DETROIT/PONTIAC.

LAT...LON 4244 8287 4233 8298 4232 8306 4229 8309
      4224 8313 4217 8314 4215 8317 4217 8323
      4229 8354 4243 8355
TIME...MOT...LOC 2158Z 217DEG 33KT 4259 8345 4239 8292

$$

MR

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 8:04 PM EDTMarine Dense Fog AdvisoryDTX12 hr
May 22, 3:20 PM EDTSmall Craft AdvisoryDTX53 hr
May 22, 5:06 PM EDTSpecial Marine WarningDTX84 min
May 22, 5:27 PM EDTSevere Thunderstorm WarningDTXLivingston, Macomb, Oakland63 min
May 22, 6:11 PM EDTSpecial Marine WarningDTX64 min
May 22, 6:13 PM EDTSevere Thunderstorm WarningDTXSaint Clair62 min
May 22, 7:31 PM EDTSevere Thunderstorm WarningDTXLenawee, Washtenaw59 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2013Every severe thunderstorm warning in 2013

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.