Alert archive / Michigan / Tornado Warnings in 2011

Tornado Warning 8, NWS Detroit, MI

May 31, 2011Midland County, Michigan

NWS Detroit, MI issued this tornado warning at May 31, 2011, 6:33 PM EDT for Midland County, Michigan. It was in force for 57 min. 6 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 31, 2011, 6:33 PM EDT (22:33 UTC)
Expired
May 31, 2011, 7:30 PM EDT
In force
57 min
Issued by
NWS Detroit, MI
Area
Storm-based polygon

County Midland County, MI

The radar

The Grand Rapids radar (KGRR), 118 km from the middle of the area, began a volume at 22:37 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 31, 6:48 PM EDTHAIL 111 W Midland, MI
May 31, 7:06 PM EDTFUNNEL CLOUDNnw Sanford, MIFUNNEL CLOUD REPORT NEAR SANFORD LAKE
May 31, 7:06 PM EDTHAIL 1.52 Ese Sanford, MIHAIL REPORTED AT WACKERLY RD
May 31, 7:15 PM EDTTSTM WND DMG4 Ese Bombay, MITREES UPROOTED WITH MEASURED 71 MPH WINDS. ALSO, FUNNEL CLOUD WAS REPORTED.
May 31, 7:15 PM EDTHAIL 15 Wnw Midland, MIREPORTED AT WACKERLY RD AND US 10
May 31, 7:30 PM EDTHAIL 1Midland, MIHAIL WENT THROUGH A TWO PANE GLASS SKYLIGHT

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 31, 3:33 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 10.6 hours before the alert went out and 123 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 2011-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1647 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 2011-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -82 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
1647 J/kg
Mixed-layer CIN
-247 J/kg
Mixed-layer LCL
1517 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-82 m²/s²
0-3 km storm-relative helicity
-60 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.

358 
WFUS53 KDTX 312233
TORDTX
MIC111-312330-
/O.NEW.KDTX.TO.W.0008.110531T2233Z-110531T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
633 PM EDT TUE MAY 31 2011

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN MIDLAND COUNTY IN SOUTHEAST MICHIGAN...

* UNTIL 730 PM EDT

* AT 630 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR SHEPHERD...AND MOVING EAST AT 40 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  PLEASANT VALLEY AND OIL CITY AROUND 645 PM EDT.
  PORTER TOWNSHIP AROUND 655 PM EDT.
  GORDONVILLE AROUND 700 PM EDT.
  AVERILL AND SANFORD AROUND 705 PM EDT.
  MIDLAND AROUND 715 PM EDT.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  SANFORD...            PLEASANT VALLEY...    OIL CITY...
  MIDLAND...

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 4366 8460 4373 8416 4348 8418 4348 8437
      4347 8438 4347 8461
TIME...MOT...LOC 2233Z 249DEG 33KT 4352 8473

$$

SC/SF
4 follow-up statements
737 
WWUS53 KDTX 312237
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
637 PM EDT TUE MAY 31 2011

MIC111-312330-
/O.CON.KDTX.TO.W.0008.000000T0000Z-110531T2330Z/
MIDLAND MI-
637 PM EDT TUE MAY 31 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN MIDLAND COUNTY
UNTIL 730 PM EDT...

AT 634 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR SHEPHERD...MOVING NORTHEAST AT 50 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  OIL CITY AROUND 645 PM EDT.
  SANFORD AND AVERILL AROUND 655 PM EDT.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  SANFORD...            PLEASANT VALLEY...    OIL CITY...
  MIDLAND...

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 4366 8460 4373 8416 4348 8418 4348 8437
      4347 8438 4347 8461
TIME...MOT...LOC 2237Z 239DEG 46KT 4356 8466

$$

SC/SF
864 
WWUS53 KDTX 312244
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
644 PM EDT TUE MAY 31 2011

MIC111-312330-
/O.CON.KDTX.TO.W.0008.000000T0000Z-110531T2330Z/
MIDLAND MI-
644 PM EDT TUE MAY 31 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN MIDLAND COUNTY
UNTIL 730 PM EDT...

AT 643 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR OIL CITY...OR 5 MILES NORTHEAST OF SHEPHERD...
MOVING NORTHEAST AT 40 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  GORDONVILLE AROUND 700 PM EDT.
  AVERILL AND SANFORD AROUND 705 PM EDT.
  MIDLAND AROUND 710 PM EDT.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  SANFORD...            PLEASANT VALLEY...    OIL CITY...
  MIDLAND...

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 4366 8460 4373 8416 4348 8418 4348 8437
      4347 8438 4347 8461
TIME...MOT...LOC 2244Z 247DEG 34KT 4357 8459

$$

SC/SF
194 
WWUS53 KDTX 312254 CCA
SVSDTX

SEVERE WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
644 PM EDT TUE MAY 31 2011

MIC111-312330-
/O.COR.KDTX.TO.W.0008.000000T0000Z-110531T2330Z/
MIDLAND MI-
644 PM EDT TUE MAY 31 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN MIDLAND COUNTY
UNTIL 730 PM EDT...

AT 643 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR OIL CITY...OR 6 MILES NORTHEAST OF SHEPHERD...
MOVING NORTHEAST AT 45 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  GORDONVILLE AROUND 655 PM EDT.
  SANFORD AROUND 700 PM EDT.
  AVERILL AROUND 705 PM EDT.
  MIDLAND AROUND 710 PM EDT.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  SANFORD...            PLEASANT VALLEY...    OIL CITY...
  MIDLAND...

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 4366 8460 4373 8416 4348 8418 4348 8437
      4347 8438 4347 8461
TIME...MOT...LOC 2244Z 243DEG 37KT 4358 8459

$$

SC/SF
859 
WWUS53 KDTX 312302
SVSDTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
702 PM EDT TUE MAY 31 2011

MIC111-312330-
/O.CON.KDTX.TO.W.0008.000000T0000Z-110531T2330Z/
MIDLAND MI-
702 PM EDT TUE MAY 31 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHERN MIDLAND COUNTY
UNTIL 730 PM EDT...

AT 659 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR SANFORD...MOVING NORTHEAST AT 40 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  MIDLAND AROUND 710 PM EDT.

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  SANFORD...            PLEASANT VALLEY...    OIL CITY...
  MIDLAND...

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 4366 8460 4373 8416 4348 8418 4348 8437
      4347 8438 4347 8461
TIME...MOT...LOC 2302Z 241DEG 36KT 4365 8440

$$

SC/SF

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 4:15 AM EDTHeat AdvisoryDTXBay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more16 hr
May 31, 6:24 PM EDTSevere Thunderstorm WarningDTXBay, Midland66 min
May 31, 6:38 PM EDTSpecial Marine WarningDTX112 min
May 31, 7:06 PM EDTSevere Thunderstorm WarningDTXLivingston, Shiawassee33 min
May 31, 7:10 PM EDTTornado WarningDTXBay, Midland35 min
May 31, 7:25 PM EDTSevere Thunderstorm WarningDTXBay, Midland, Saginaw65 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.