Alert archive / Michigan / Tornado Warnings in 2011

Tornado Warning 5, NWS Detroit, MI

May 29, 2011Genesee County, Shiawassee County, Michigan

NWS Detroit, MI issued this tornado warning at May 29, 2011, 5:22 PM EDT for Genesee County, Shiawassee County, Michigan. It was in force for 83 min. 7 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, 5:22 PM EDT (21:22 UTC)
Expired
May 29, 2011, 6:45 PM EDT
In force
83 min
Issued by
NWS Detroit, MI
Area
Storm-based polygon

Counties Genesee County, MI, Shiawassee County, MI

The radar

The Detroit radar (KDTX), 38 km from the middle of the area, began a volume at 21:25 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, 5:25 PM EDTTORNADO3 Ssw Perry, MIA STORM SURVEY CONDUCTED BY THE NWS FOUND EF1 TORNADO DAMAGE IN SHIAWASSEE COUNTY. A TORNADO ENTERED THE COUNTY NEAR LOVEJOY AND LOCKE ROADS AND TRACKED NORTHEAST FOR 2.5 MILES...ENDING AT BEARD AND RUPPERT ROADS. THE DAMAGE PATH WAS 100 YARDS WIDE. SOFT AND H
May 29, 5:45 PM EDTTSTM WND DMGNe Byron, MI3 FOOT DIAMETER TREE DOWN OVER ROAD.
May 29, 5:52 PM EDTTSTM WND DMG2 Wsw Byron, MITWISTED BRANCHES AND 1 TO 4 FOOT DIAMETER TREES DOWN.
May 29, 5:54 PM EDTTSTM WND GST 80Gaines, MITRAMPOLINE MOVED INTO NEIGHBORS YARD, NUMEROUS BRANCHES DOWN.
May 29, 6:03 PM EDTFUNNEL CLOUD4 Sw Perry, MITREES DOWN AND BUILDING DAMAGE...POSSIBLE TORNADO.
May 29, 6:05 PM EDTTSTM WND GST 702 Ssw Flint, MI
May 29, 6:30 PM EDTTSTM WND GST 74Davison, MIPEAK WIND MEASURED AT 74 MPH AND FUNNEL CLOUD OVERHEAD.

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, 9.4 hours before the alert went out and 39 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.

594 
WFUS53 KDTX 292122
TORDTX
MIC049-155-292245-
/O.NEW.KDTX.TO.W.0005.110529T2122Z-110529T2245Z/

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

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A

* TORNADO WARNING FOR...
  GENESEE COUNTY IN SOUTHEAST MICHIGAN...
  SHIAWASSEE COUNTY IN SOUTHEAST MICHIGAN...

* UNTIL 645 PM EDT

* AT 521 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR HASLETT...AND MOVING NORTHEAST AT 50 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  MORRICE AND PERRY AROUND 530 PM EDT.
  BANCROFT AROUND 540 PM EDT.
  DURAND AND GAINES AROUND 545 PM EDT.
  LENNON AROUND 550 PM EDT.
  SWARTZ CREEK AND RANKIN AROUND 555 PM EDT.
  BURTON AND FLINT AROUND 605 PM EDT.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  SWARTZ CREEK...       PERRY...              OWOSSO...
  MOUNT MORRIS...       MORRICE...            LINDEN...
  LENNON...             LAINGSBURG...         GRAND BLANC...
  GOODRICH...           GAINES...             FLUSHING...
  FLINT...              FENTON...             DURAND...
  DAVISON...            CORUNNA...            BYRON...
  BURTON...             BANCROFT...

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 4316 8346 4287 8346 4287 8369 4279 8369
      4277 8436 4306 8437
TIME...MOT...LOC 2123Z 243DEG 44KT 4277 8430

$$

SF/AD
6 follow-up statements
693 
WWUS53 KDTX 292134
SVSDTX

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

MIC049-155-292245-
/O.CON.KDTX.TO.W.0005.000000T0000Z-110529T2245Z/
GENESEE MI-SHIAWASSEE MI-
534 PM EDT SUN MAY 29 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SHIAWASSEE AND GENESEE
COUNTIES UNTIL 645 PM EDT...

AT 533 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE SQUALL LINE CAPABLE OF PRODUCING DAMAGING STRAIGHT LINE WINDS
AND BRIEF RAIN-WRAPPED TORNADOES.  THIS DANGEROUS STORM WAS LOCATED
NEAR MORRICE...OR NEAR PERRY...MOVING NORTHEAST AT 50 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  BANCROFT AROUND 540 PM EDT.
  DURAND AND BYRON AROUND 545 PM EDT.
  GAINES AND LENNON AROUND 550 PM EDT.
  SWARTZ CREEK AROUND 555 PM EDT.
  RANKIN AROUND 600 PM EDT.
  FLINT AND GRAND BLANC AROUND 605 PM EDT.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  SWARTZ CREEK...       PERRY...              OWOSSO...
  MOUNT MORRIS...       MORRICE...            LINDEN...
  LENNON...             LAINGSBURG...         GRAND BLANC...
  GOODRICH...           GAINES...             FLUSHING...
  FLINT...              FENTON...             DURAND...
  DAVISON...            CORUNNA...            BYRON...
  BURTON...             BANCROFT...

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 4316 8346 4287 8346 4287 8369 4279 8369
      4277 8436 4306 8437
TIME...MOT...LOC 2134Z 243DEG 44KT 4283 8413

$$

SF/AD
689 
WWUS53 KDTX 292148
SVSDTX

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

MIC049-155-292245-
/O.CON.KDTX.TO.W.0005.000000T0000Z-110529T2245Z/
GENESEE MI-SHIAWASSEE MI-
548 PM EDT SUN MAY 29 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SHIAWASSEE AND GENESEE
COUNTIES UNTIL 645 PM EDT...

AT 546 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE SQUALL LINE CAPABLE OF PRODUCING DAMAGING STRAIGHT LINE WINDS
AND BRIEF RAIN-WRAPPED TORNADOES.  THIS DANGEROUS STORM WAS LOCATED
NEAR DURAND...MOVING NORTHEAST AT 50 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  SWARTZ CREEK AND RANKIN AROUND 555 PM EDT.
  BURTON AND FLINT AROUND 605 PM EDT.
  GENESEE AND ATLAS AROUND 610 PM EDT.
  DAVISON AROUND 615 PM EDT.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  SWARTZ CREEK...       OWOSSO...             MOUNT MORRIS...
  MORRICE...            LINDEN...             LENNON...
  GRAND BLANC...        GOODRICH...           GAINES...
  FLUSHING...           FLINT...              FENTON...
  DURAND...             DAVISON...            CORUNNA...
  BYRON...              BURTON...             BANCROFT...

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 4307 8427 4316 8347 4315 8346 4288 8346
      4287 8347 4287 8369 4279 8369 4277 8420
TIME...MOT...LOC 2149Z 243DEG 44KT 4291 8390

$$

SF/AD
040 
WWUS53 KDTX 292202
SVSDTX

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

MIC049-155-292245-
/O.CON.KDTX.TO.W.0005.000000T0000Z-110529T2245Z/
GENESEE MI-SHIAWASSEE MI-
602 PM EDT SUN MAY 29 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN SHIAWASSEE AND
GENESEE COUNTIES UNTIL 645 PM EDT...

AT 558 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE SQUALL LINE CAPABLE OF PRODUCING DAMAGING STRAIGHT LINE WINDS
AND BRIEF RAIN-WRAPPED TORNADOES.  THIS DANGEROUS STORM WAS LOCATED
NEAR SWARTZ CREEK...OR 6 MILES SOUTH OF FLUSHING...MOVING NORTHEAST
AT 45 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  FLINT AROUND 610 PM EDT.
  BURTON AND MOUNT MORRIS AROUND 615 PM EDT.
  GENESEE AND DAVISON AROUND 620 PM EDT.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  SWARTZ CREEK...       MOUNT MORRIS...       LINDEN...
  LENNON...             GRAND BLANC...        GOODRICH...
  GAINES...             FLUSHING...           FLINT...
  FENTON...             DURAND...             DAVISON...
  BYRON...              BURTON...

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 4316 8347 4315 8346 4288 8346 4287 8347
      4287 8369 4279 8369 4278 8397 4309 8409
TIME...MOT...LOC 2202Z 244DEG 39KT 4300 8382

$$

SF/AD
738 
WWUS53 KDTX 292217
SVSDTX

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

MIC155-292227-
/O.CAN.KDTX.TO.W.0005.000000T0000Z-110529T2245Z/
SHIAWASSEE MI-
617 PM EDT SUN MAY 29 2011

...THE TORNADO WARNING FOR EASTERN SHIAWASSEE COUNTY IS CANCELLED...

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

LAT...LON 4316 8347 4315 8346 4297 8346 4290 8392
      4311 8393
TIME...MOT...LOC 2217Z 244DEG 39KT 4307 8362

$$

MIC049-292245-
/O.CON.KDTX.TO.W.0005.000000T0000Z-110529T2245Z/
GENESEE MI-
617 PM EDT SUN MAY 29 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL GENESEE COUNTY
UNTIL 645 PM EDT...

AT 614 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR FLINT...MOVING NORTHEAST AT 45 MPH.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF CENTRAL
GENESEE COUNTY.

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 4316 8347 4315 8346 4297 8346 4290 8392
      4311 8393
TIME...MOT...LOC 2217Z 244DEG 39KT 4307 8362

$$

SF/AD
252 
WWUS53 KDTX 292233
SVSDTX

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

MIC049-292245-
/O.CON.KDTX.TO.W.0005.000000T0000Z-110529T2245Z/
GENESEE MI-
633 PM EDT SUN MAY 29 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL GENESEE
COUNTY UNTIL 645 PM EDT...

AT 631 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR DAVISON...MOVING NORTHEAST AT 35 MPH.

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 4299 8364 4313 8374 4316 8347 4315 8346
      4301 8346
TIME...MOT...LOC 2233Z 244DEG 29KT 4310 8353

$$

SF/AD
702 
WWUS53 KDTX 292244
SVSDTX

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

MIC049-292254-
/O.EXP.KDTX.TO.W.0005.000000T0000Z-110529T2245Z/
GENESEE MI-
644 PM EDT SUN MAY 29 2011

...THE TORNADO WARNING FOR EAST CENTRAL GENESEE COUNTY WILL EXPIRE AT
645 PM EDT...

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

LAT...LON 4299 8364 4313 8374 4316 8347 4315 8346
      4301 8346
TIME...MOT...LOC 2244Z 244DEG 29KT 4314 8342

$$

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, 5:02 PM EDTTornado WarningDTXLivingston, Washtenaw53 min
May 29, 5:04 PM EDTSpecial Marine WarningDTX71 min
May 29, 5:18 PM EDTSevere Thunderstorm WarningDTXMonroe87 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.