Alert archive / Michigan / Tornado Warnings in 2011

Tornado Warning 4, NWS Detroit, MI

May 29, 2011Livingston County, Washtenaw County, Michigan

NWS Detroit, MI issued this tornado warning at May 29, 2011, 5:02 PM EDT for Livingston County, Washtenaw County, Michigan. It was in force for 53 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 29, 2011, 5:02 PM EDT (21:02 UTC)
Expired
May 29, 2011, 5:55 PM EDT
In force
53 min
Issued by
NWS Detroit, MI
Area
Storm-based polygon

Counties Livingston County, MI, Washtenaw County, MI

The radar

The Detroit radar (KDTX), 37 km from the middle of the area, began a volume at 21:05 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 29, 5:21 PM EDTTSTM WND DMGBrighton, MI18 INCH DIAMETER TREE WAS BLOWN ONTO THE ROAD.
May 29, 5:30 PM EDTTSTM WND DMG2 Wnw Howell, MILARGE TREE LIMBS DOWNED, WINDS ESTIMATED AT 60 MPH.
May 29, 5:30 PM EDTTSTM WND DMGBrighton, MILARGE TREE DOWN ACROSS US-23. ESTIMATED 2 FOOT DIAMETER DEAD TREE.
May 29, 5:30 PM EDTTSTM WND DMGHowell, MI3 TO 4 SMALL TREES UPROOTED AND/OR SNAPPED.
May 29, 5:40 PM EDTTSTM WND DMG5 Ese Brighton, MI10 INCH TREE LIMB DOWN OVER ROAD.
May 29, 5:40 PM EDTTSTM WND DMGHartland, MIREPORTS OF TREES DOWN THROUGHOUT TYRONE TOWNSHIP. ONE REPORT ESTIMATED 50 TO 70 TREES DOWN...SOME UPROOTED.
May 29, 5:42 PM EDTTSTM WND DMG5 N Hartland, MISEVERAL LARGE TREES WERE BLOWN DOWN.
May 29, 5:50 PM EDTTSTM WND GST 50W Salem, MI2 INCH TREE BRANCHES DOWN.

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 29, 1:29 PM EDTTornado WatchSPC7 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 9.0 hours before the alert went out and 41 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 2011-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 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 2011-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 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
12 J/kg
Mixed-layer CIN
-294 J/kg
Mixed-layer LCL
499 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
298 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

390 
WFUS53 KDTX 292102
TORDTX
MIC093-161-292215-
/O.NEW.KDTX.TO.W.0004.110529T2102Z-110529T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
502 PM EDT SUN MAY 29 2011

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A

* TORNADO WARNING FOR...
  LIVINGSTON COUNTY IN SOUTHEAST MICHIGAN...
  WASHTENAW COUNTY IN SOUTHEAST MICHIGAN...

* UNTIL 615 PM EDT

* AT 501 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE SQUALL LINE CAPABLE OF PRODUCING BRIEF RAIN-WRAPPED
  TORNADOES IN ADDITION TO WIDESPREAD STRAIGHT LINE WIND DAMAGE.
  THESE DANGEROUS STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
  EAST LANSING TO EATON RAPIDS TO LESLIE TO VANDERCOOK LAKE TO
  ADDISON...AND MOVING EAST AT 55 MPH.

* THESE DANGEROUS STORMS WILL BE NEAR...
  MANCHESTER AROUND 520 PM EDT.
  CONWAY TOWNSHIP AND PLEASANT LAKE AROUND 525 PM EDT.
  COHOCTAH AND UNADILLA AROUND 530 PM EDT.
  DEERFIELD TOWNSHIP AND OAK GROVE AROUND 535 PM EDT.
  TYRONE TOWNSHIP AND PITTSFIELD TOWNSHIP AROUND 540 PM EDT.
  LAKELAND AND DIXBORO AROUND 545 PM EDT.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  WILLIS...             OAK GROVE...          DIXBORO...
  YPSILANTI...          WHITMORE LAKE...      SALINE...
  SALEM...              PINCKNEY...           MILAN...
  MANCHESTER...         HOWELL...             HARTLAND...
  HAMBURG...            GREGORY...            FOWLERVILLE...
  DEXTER...             COHOCTAH...           CHELSEA...
  BRIGHTON...           ANN ARBOR...

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.

THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4278 8369 4244 8367 4243 8355 4209 8354
      4207 8413 4252 8413 4277 8415
TIME...MOT...LOC 2102Z 273DEG 48KT 4275 8446 4251 8465
          4238 8442 4220 8438 4203 8437

$$

SF/AD
4 follow-up statements
377 
WWUS53 KDTX 292114
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
514 PM EDT SUN MAY 29 2011

MIC093-161-292215-
/O.CON.KDTX.TO.W.0004.000000T0000Z-110529T2215Z/
LIVINGSTON MI-WASHTENAW MI-
514 PM EDT SUN MAY 29 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR WASHTENAW AND LIVINGSTON
COUNTIES UNTIL 615 PM EDT...

AT 513 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE SQUALL LINE CAPABLE OF PRODUCING DAMAGING STRAIGHT LINE WINDS
AND BRIEF RAIN-WRAPPED TORNADOES.  THESE DANGEROUS STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM HASLETT TO MASON TO STOCKBRIDGE
TO BROOKLYN...MOVING EAST AT 60 MPH.

THESE DANGEROUS STORMS WILL BE NEAR...
  PLAINFIELD AND GREGORY AROUND 520 PM EDT.
  UNADILLA AND HELL AROUND 525 PM EDT.
  PINCKNEY STATE RECREATION AREA AND HUDSON MILLS METROPARK AROUND
  530 PM EDT.
  LAKELAND AND DELHI MILLS AROUND 535 PM EDT.
  MILAN AND PITTSFIELD TOWNSHIP AROUND 540 PM EDT.
  WILLIS AND DIXBORO AROUND 545 PM EDT.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  WILLIS...             OAK GROVE...          DIXBORO...
  YPSILANTI...          WHITMORE LAKE...      SALINE...
  SALEM...              PINCKNEY...           MILAN...
  MANCHESTER...         HOWELL...             HARTLAND...
  HAMBURG...            GREGORY...            FOWLERVILLE...
  DEXTER...             COHOCTAH...           CHELSEA...
  BRIGHTON...           ANN ARBOR...

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.

THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4278 8369 4244 8367 4243 8355 4209 8354
      4207 8413 4252 8413 4277 8415
TIME...MOT...LOC 2114Z 264DEG 52KT 4275 8436 4263 8443
          4247 8425 4217 8421

$$

SF/AD
824 
WWUS53 KDTX 292126
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
526 PM EDT SUN MAY 29 2011

MIC093-161-292215-
/O.CON.KDTX.TO.W.0004.000000T0000Z-110529T2215Z/
LIVINGSTON MI-WASHTENAW MI-
526 PM EDT SUN MAY 29 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR WASHTENAW AND LIVINGSTON
COUNTIES UNTIL 615 PM EDT...

AT 525 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE SQUALL LINE CAPABLE OF PRODUCING DAMAGING STRAIGHT LINE WINDS
AND BRIEF RAIN-WRAPPED TORNADOES.  THESE DANGEROUS STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM WILLIAMSTON TO HOWELL TO
CHELSEA...MOVING EAST AT 60 MPH.

THESE DANGEROUS STORMS WILL BE NEAR...
  OAK GROVE AND LAKELAND AROUND 535 PM EDT.
  COHOCTAH AND MILAN AROUND 540 PM EDT.
  WILLIS AND WHITTAKER AROUND 545 PM EDT.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  WILLIS...             OAK GROVE...          DIXBORO...
  YPSILANTI...          WHITMORE LAKE...      SALINE...
  SALEM...              PINCKNEY...           MILAN...
  MANCHESTER...         HOWELL...             HARTLAND...
  HAMBURG...            GREGORY...            FOWLERVILLE...
  DEXTER...             COHOCTAH...           CHELSEA...
  BRIGHTON...           ANN ARBOR...

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.

THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4278 8369 4244 8367 4243 8355 4209 8354
      4207 8413 4252 8413 4277 8415
TIME...MOT...LOC 2126Z 264DEG 52KT 4274 8421 4260 8400
          4225 8399

$$

SF/AD
487 
WWUS53 KDTX 292144
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
544 PM EDT SUN MAY 29 2011

MIC093-161-292215-
/O.CON.KDTX.TO.W.0004.000000T0000Z-110529T2215Z/
LIVINGSTON MI-WASHTENAW MI-
544 PM EDT SUN MAY 29 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN WASHTENAW AND
EASTERN LIVINGSTON COUNTIES UNTIL 615 PM EDT...

AT 542 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE SQUALL LINE CAPABLE OF PRODUCING DAMAGING STRAIGHT LINE WINDS
AND BRIEF RAIN-WRAPPED TORNADOES.  THESE DANGEROUS STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM LINDEN TO HARTLAND TO DIXBORO...
MOVING EAST AT 55 MPH.

THESE DANGEROUS STORMS WILL BE NEAR...
  SALEM AROUND 550 PM EDT.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  WILLIS...             DIXBORO...            YPSILANTI...
  WHITMORE LAKE...      SALINE...             SALEM...
  MILAN...              HARTLAND...           HAMBURG...
  DEXTER...             BRIGHTON...           ANN ARBOR...

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.

THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST
FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4278 8393 4278 8369 4244 8367 4243 8355
      4209 8354 4208 8388
TIME...MOT...LOC 2144Z 262DEG 46KT 4277 8376 4263 8365
          4233 8364

$$

SF/AD
428 
WWUS53 KDTX 292155
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
555 PM EDT SUN MAY 29 2011

MIC093-161-292206-
/O.CAN.KDTX.TO.W.0004.000000T0000Z-110529T2215Z/
LIVINGSTON MI-WASHTENAW MI-
555 PM EDT SUN MAY 29 2011

...THE TORNADO WARNING FOR EASTERN WASHTENAW AND EASTERN LIVINGSTON
COUNTIES IS CANCELLED...

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

LAT...LON 4278 8393 4278 8369 4244 8367 4243 8355
      4209 8354 4208 8388
TIME...MOT...LOC 2156Z 262DEG 46KT 4279 8355 4265 8344
          4235 8344

$$

SF/AD

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 11:26 AM EDTFlood WatchDTXGenesee, Lapeer, Lenawee, Livingston, Macomb, Monroe and 5 more8 hr
May 29, 4:41 PM EDTSevere Thunderstorm WarningDTXLenawee69 min
May 29, 4:55 PM EDTTornado WarningDTXLenawee56 min
May 29, 5:04 PM EDTSpecial Marine WarningDTX71 min
May 29, 5:18 PM EDTSevere Thunderstorm WarningDTXMonroe87 min
May 29, 5:22 PM EDTTornado WarningDTXGenesee, Shiawassee83 min
May 29, 5:28 PM EDTSevere Thunderstorm WarningDTXOakland77 min
May 29, 5:30 PM EDTSpecial Marine WarningDTX75 min
May 29, 5:36 PM EDTTornado WarningDTXMonroe45 min
May 29, 5:46 PM EDTSevere Thunderstorm WarningDTXWayne34 min
May 29, 5:47 PM EDTTornado WarningDTXOakland42 min
May 29, 5:55 PM EDTFlash Flood WarningDTXShiawassee2 hr
May 29, 5:57 PM EDTSevere Thunderstorm WarningDTXLapeer78 min
May 29, 6:13 PM EDTSevere Thunderstorm WarningDTXMacomb, Saint Clair36 min
May 29, 6:16 PM EDTSpecial Marine WarningDTX66 min

Nearby

Tornado Warnings in Michigan, 2011Every tornado warning in 2011Tornadoes in 2011

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.