Alert archive / Michigan / Tornado Warnings in 2011

Tornado Warning 11, NWS Grand Rapids, MI

June 8, 2011Clare County, Michigan

NWS Grand Rapids, MI issued this tornado warning at Jun 8, 2011, 10:45 PM EDT for Clare County, Michigan. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 8, 2011, 10:45 PM EDT (02:45 UTC)
Expired
Jun 8, 2011, 11:15 PM EDT
In force
30 min
Issued by
NWS Grand Rapids, MI
Area
Storm-based polygon

County Clare County, MI

The radar

The NCL Michigan radar (KAPX), 94 km from the middle of the area, began a volume at 02:47 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 8, 10:39 PM EDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 2.8 hours before the alert went out and 184 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 00:00Z on 2011-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2055 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 00:00Z on 2011-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 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
2055 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
1930 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
291 m²/s²
Significant tornado parameter
0.1
Supercell composite
11.1

Open this sounding in Storm Lab

The text

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

414 
WFUS53 KGRR 090245
TORGRR
MIC035-090315-
/O.NEW.KGRR.TO.W.0011.110609T0245Z-110609T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1045 PM EDT WED JUN 8 2011

THE NATIONAL WEATHER SERVICE IN GRAND RAPIDS HAS ISSUED A

* TORNADO WARNING FOR...
  CLARE COUNTY IN CENTRAL MICHIGAN...

* UNTIL 1115 PM EDT

* AT 1041 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
  TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
  DANGEROUS STORM WAS LOCATED 5 MILES WEST OF HARRISON...AND MOVING
  EAST AT 30 MPH.

* THIS TORNADIC STORM WILL BE NEAR...
   HARRISON AROUND 1050 PM EDT...
   DODGE LAKE AROUND 1100 PM EDT...

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  HARRISON...           CLARE...              FARWELL...
  SEBEWA TWP...         DODGE LAKE...         LONG LAKE HEIGHTS...
  FRANKLIN TWP...       SHERIDEN TWP...       LAKE GEORGE...
  LAKE...               LEOTA...              MEREDITH...
  BROWNS CORNER...      DOVER...

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 OBJECTS.

&&

LAT...LON 4415 8460 4381 8460 4382 8502 4415 8501
      4417 8500 4416 8461
TIME...MOT...LOC 0245Z 274DEG 25KT 4400 8486

$$

MEADE
3 follow-up statements
469 
WWUS53 KGRR 090255
SVSGRR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1055 PM EDT WED JUN 8 2011

MIC035-090315-
/O.CON.KGRR.TO.W.0011.000000T0000Z-110609T0315Z/
CLARE MI-
1055 PM EDT WED JUN 8 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN CLARE COUNTY
UNTIL 1115 PM EDT...

AT 1050 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
DANGEROUS STORM WAS LOCATED NEAR HARRISON...MOVING EAST AT 30 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  RURAL CLARE COUNTY AT 1110 PM EDT

THE WARNING INCLUDES AREAS SURROUNDING THESE LOCATIONS...
  HARRISON...           DODGE LAKE...         SHERIDEN TWP...
  BROWNS CORNER...      DOVER...

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 OBJECTS.

&&

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 AM EDT
THURSDAY MORNING FOR SOUTHWESTERN MICHIGAN.

LAT...LON 4405 8460 4381 8460 4390 8489 4404 8485
TIME...MOT...LOC 0255Z 279DEG 26KT 4397 8477

$$

LAURENS
972 
WWUS53 KGRR 090303
SVSGRR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1103 PM EDT WED JUN 8 2011

MIC035-090315-
/O.CON.KGRR.TO.W.0011.000000T0000Z-110609T0315Z/
CLARE MI-
1103 PM EDT WED JUN 8 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN CLARE COUNTY
UNTIL 1115 PM EDT...

AT 1059 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
DANGEROUS STORM WAS LOCATED 5 MILES SOUTHEAST OF HARRISON...MOVING
EAST AT 30 MPH.

THIS TORNADO WILL AFFECT MAINLY RURAL AREAS OF SOUTHEASTERN CLARE
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 OBJECTS.

&&

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 AM EDT
THURSDAY MORNING FOR SOUTHWESTERN MICHIGAN.

LAT...LON 4391 8475 4398 8474 4401 8465 4401 8460
      4382 8460
TIME...MOT...LOC 0303Z 279DEG 26KT 4396 8469

$$

LAURENS
364 
WWUS53 KGRR 090316
SVSGRR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1116 PM EDT WED JUN 8 2011

MIC035-090325-
/O.EXP.KGRR.TO.W.0011.000000T0000Z-110609T0315Z/
CLARE MI-
1116 PM EDT WED JUN 8 2011

...THE TORNADO WARNING FOR SOUTHEASTERN CLARE COUNTY HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA...HOWEVER SMALL HAIL...GUSTY WINDS AND HEAVY RAIN ARE STILL
POSSIBLE WITH THIS THUNDERSTORM.

REMEMBER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR
PORTIONS OF CLARE COUNTY UNTIL 1130 PM. 

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 300 AM EDT
THURSDAY MORNING FOR SOUTHWESTERN MICHIGAN.

LAT...LON 4391 8475 4398 8474 4401 8465 4401 8460
      4382 8460
TIME...MOT...LOC 0303Z 279DEG 26KT 4396 8469

$$

LAURENS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 8:33 PM EDTSpecial Weather StatementGRRLake57 min
Jun 8, 9:44 PM EDTSevere Thunderstorm WarningGRRLake, Mason, Osceola46 min
Jun 8, 10:13 PM EDTSpecial Marine WarningGRR110 min
Jun 8, 10:15 PM EDTSevere Thunderstorm WarningGRRMason45 min
Jun 8, 10:26 PM EDTSevere Thunderstorm WarningGRRClare, Lake, Osceola64 min
Jun 8, 10:31 PM EDTFlash Flood WarningGRRClare, Lake, Mason, Osceola6 hr
Jun 8, 10:36 PM EDTSevere Thunderstorm WarningGRRMuskegon, Newaygo, Oceana84 min
Jun 8, 11:11 PM EDTSpecial Marine WarningGRR58 min
Jun 8, 11:11 PM EDTSevere Thunderstorm WarningGRRMecosta94 min
Jun 8, 11:18 PM EDTSevere Thunderstorm WarningGRRMuskegon, Ottawa57 min
Jun 8, 11:30 PM EDTSevere Thunderstorm WarningGRRAllegan48 min
Jun 8, 11:35 PM EDTSevere Thunderstorm WarningGRRIsabella85 min
Jun 8, 11:44 PM EDTSevere Thunderstorm WarningGRRKent, Montcalm75 min
Jun 9, 12:04 AM EDTSevere Thunderstorm WarningGRRGratiot63 min
Jun 9, 12:13 AM EDTSpecial Weather StatementGRRBarry, Calhoun, Clinton, Eaton, Ionia, Kalamazoo62 min
Jun 9, 12:34 AM EDTSpecial Weather StatementGRRCalhoun, Clinton, Eaton, Ingham, Ionia56 min
Jun 9, 12:59 AM EDTSpecial Weather StatementGRRIngham, Jackson61 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.