Alert archive / Michigan / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 16, NWS Gaylord, MI

June 18, 2012Benzie County, Grand Traverse County, Leelanau County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jun 18, 2012, 7:40 PM EDT for Benzie County, Grand Traverse County, Leelanau County, Michigan. It was in force for 50 min. 4 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
Jun 18, 2012, 7:40 PM EDT (23:40 UTC)
Expired
Jun 18, 2012, 8:30 PM EDT
In force
50 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Hail
0.5 in
Wind
70.0 mph

Counties Benzie County, MI, Grand Traverse County, MI, Leelanau County, MI

The radar

The NCL Michigan radar (KAPX), 83 km from the middle of the area, began a volume at 23:42 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
Jun 18, 7:46 PM EDTTSTM WND GST 453 Nw Honor, MI
Jun 18, 7:54 PM EDTTSTM WND GST 562 Ese Frankfort, MI
Jun 18, 7:54 PM EDTTSTM WND GST 60Old Mission, MITWO 6 INCH DIAMETER TREES DOWN ON M 37 NEAR CHATEAU GRAND TRAVERSE.
Jun 18, 8:10 PM EDTTSTM WND DMG4 E Interlochen, MIRED CARDINAL LANE AND ADAM LANE OFF BLAIR TOWN HALL ROAD. WINDOWS BLOWN OUT OF HOUSE...ANTENNA BLEW OFF ROOF...UPROOTED VERY LARGE MAPLE TREE...ROOF DAMAGE...FENCES BLOWN DOWN...MULTIPLE LIMBS OFF TREES...NO POWER FOR ABOUT TWO HOURS. RELAYED BY BROADCAST MEDI

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
Jun 18, 5:46 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.7 hours before the alert went out and 188 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, Green Bay/Straub, WI at 12:00Z on 2012-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 67 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, Green Bay/Straub, WI at 12:00Z on 2012-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 382 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
67 J/kg
Mixed-layer CIN
-387 J/kg
Mixed-layer LCL
1455 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
382 m²/s²
0-3 km storm-relative helicity
524 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

670 
WUUS53 KAPX 182340
SVRAPX
MIC019-055-089-190030-
/O.NEW.KAPX.SV.W.0016.120618T2340Z-120619T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GAYLORD MI
740 PM EDT MON JUN 18 2012

THE NATIONAL WEATHER SERVICE IN GAYLORD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BENZIE COUNTY IN NORTHERN LOWER MICHIGAN...
  GRAND TRAVERSE COUNTY IN NORTHERN LOWER MICHIGAN...
  LEELANAU COUNTY IN NORTHERN LOWER MICHIGAN...

* UNTIL 830 PM EDT

* AT 737 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS
  TO 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM  
  LAKE LEELANAU TO FRANKFORT...AND MOVING EAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BEULAH...TRAVERSE CITY...PLATTE TOWNSHIP...MAPLE CITY...SUTTONS
  BAY...CEDAR...PESHAWBESTOWN...BENZONIA...HONOR...BINGHAM...FOUCH...
  OLD MISSION...LAKE ANN...MAPLETON...GREILICKVILLE...BENDON...
  INTERLOCHEN...INTERLOCHEN STATE PARK...GRAWN AND TRAVERSE CITY
  STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4471 8624 4476 8609 4485 8608 4497 8590
      4495 8587 4496 8581 4504 8577 4503 8559
      4485 8564 4478 8562 4500 8549 4500 8547
      4485 8549 4476 8556 4489 8542 4481 8533
      4458 8533 4460 8624 4465 8627
TIME...MOT...LOC 2339Z 270DEG 49KT 4495 8577 4465 8622
WIND...HAIL 70MPH <.50IN

$$
4 follow-up statements
170 
WWUS34 KAPX 182352
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
752 PM EDT MON JUN 18 2012

MIC019-055-089-190030-
/O.CON.KAPX.SV.W.0016.000000T0000Z-120619T0030Z/
GRAND TRAVERSE MI-BENZIE MI-LEELANAU MI-
752 PM EDT MON JUN 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
LEELANAU...NORTHERN BENZIE AND GRAND TRAVERSE COUNTIES UNTIL 830 PM
EDT...

AT 751 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS 
UP TO 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 
OLD MISSION TO BEULAH...MOVING EAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
  TRAVERSE CITY...LAKE ANN...MAPLETON...GREILICKVILLE...BENDON...
  INTERLOCHEN...TRAVERSE CITY STATE PARK...INTERLOCHEN STATE PARK...
  GRAWN...WILLIAMSBURG...SPIDER LAKE AND BATES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4471 8623 4475 8610 4504 8573 4503 8559
      4486 8564 4478 8562 4500 8549 4500 8548
      4485 8549 4482 8555 4476 8556 4477 8552
      4480 8552 4489 8542 4481 8533 4458 8533
      4460 8624 4462 8626 4465 8627
TIME...MOT...LOC 2352Z 270DEG 49KT 4495 8549 4463 8606
WIND...HAIL 70MPH <.50IN

$$
288 
WWUS34 KAPX 190005
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
805 PM EDT MON JUN 18 2012

MIC019-055-089-190030-
/O.CON.KAPX.SV.W.0016.000000T0000Z-120619T0030Z/
GRAND TRAVERSE MI-BENZIE MI-LEELANAU MI-
805 PM EDT MON JUN 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN 
LEELANAU...NORTHERN BENZIE AND GRAND TRAVERSE COUNTIES UNTIL 830 PM 
EDT...

AT 800 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS 
UP TO 70 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 
KEWADIN TO BEULAH...MOVING EAST AT 55 MPH. PENNY SIZE HAIL MAY ALSO 
ACCOMPANY THESE DAMAGING WINDS.

LOCATIONS IMPACTED INCLUDE...
  TRAVERSE CITY...BENDON...TRAVERSE CITY STATE PARK...INTERLOCHEN...
  GRAWN...INTERLOCHEN STATE PARK...WILLIAMSBURG...SPIDER LAKE AND
  BATES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4475 8610 4494 8563 4483 8564 4478 8561
      4500 8549 4500 8548 4485 8549 4482 8555
      4476 8556 4477 8552 4480 8552 4489 8542
      4483 8538 4481 8533 4458 8533 4461 8618
TIME...MOT...LOC 0005Z 270DEG 49KT 4492 8529 4462 8594
WIND...HAIL 70MPH 0.75IN

$$
208 
WWUS34 KAPX 190014
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
814 PM EDT MON JUN 18 2012

MIC089-190024-
/O.CAN.KAPX.SV.W.0016.000000T0000Z-120619T0030Z/
LEELANAU MI-
814 PM EDT MON JUN 18 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL LEELANAU COUNTY
IS CANCELLED...

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

LAT...LON 4476 8588 4478 8561 4500 8549 4500 8548
      4485 8549 4482 8555 4476 8556 4477 8552
      4480 8552 4489 8542 4483 8538 4481 8533
      4458 8533 4460 8600
TIME...MOT...LOC 0014Z 270DEG 49KT 4484 8524 4461 8579
WIND...HAIL <50MPH <.50IN

$$

MIC019-055-190030-
/O.CON.KAPX.SV.W.0016.000000T0000Z-120619T0030Z/
GRAND TRAVERSE MI-BENZIE MI-
814 PM EDT MON JUN 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
BENZIE AND GRAND TRAVERSE COUNTIES UNTIL 830 PM EDT...

AT 810 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM RAPID CITY TO BENDON...MOVING EAST AT 55 MPH. PENNY SIZE HAIL
MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

SEVERE THUNDERSTORMS WILL BE NEAR...
  SPIDER LAKE AROUND 825 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4476 8588 4478 8561 4500 8549 4500 8548
      4485 8549 4482 8555 4476 8556 4477 8552
      4480 8552 4489 8542 4483 8538 4481 8533
      4458 8533 4460 8600
TIME...MOT...LOC 0014Z 270DEG 49KT 4484 8524 4461 8579
WIND...HAIL 60MPH 0.75IN

$$
793 
WWUS34 KAPX 190033
SVSAPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
833 PM EDT MON JUN 18 2012

MIC019-055-190043-
/O.EXP.KAPX.SV.W.0016.000000T0000Z-120619T0030Z/
GRAND TRAVERSE MI-BENZIE MI-
833 PM EDT MON JUN 18 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BENZIE AND GRAND
TRAVERSE COUNTIES HAS EXPIRED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR 
PROPERTY. HOWEVER SMALL HAIL...GUSTY WINDS AND HEAVY RAIN ARE STILL 
POSSIBLE WITH THESE THUNDERSTORMS.

IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM EDT.

LAT...LON 4476 8588 4478 8561 4500 8549 4500 8548
      4485 8549 4482 8555 4476 8556 4477 8552
      4480 8552 4489 8542 4483 8538 4481 8533
      4458 8533 4460 8600
TIME...MOT...LOC 0014Z 270DEG 49KT 4483 8524 4461 8579
WIND...HAIL <50MPH <.50IN

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 10:04 PM EDTSmall Craft AdvisoryAPX25 hr
Jun 18, 5:48 AM EDTSpecial Marine WarningAPX117 min
Jun 18, 9:33 AM EDTSpecial Marine WarningAPX72 min
Jun 18, 2:59 PM EDTSpecial Marine WarningAPX46 min
Jun 18, 4:10 PM EDTSevere Thunderstorm WarningAPXChippewa50 min
Jun 18, 4:24 PM EDTSpecial Marine WarningAPX81 min
Jun 18, 5:46 PM EDTSpecial Marine WarningAPX119 min
Jun 18, 6:05 PM EDTSpecial Marine WarningAPX105 min
Jun 18, 6:28 PM EDTSpecial Marine WarningAPX2 hr
Jun 18, 6:44 PM EDTSpecial Marine WarningAPX91 min
Jun 18, 6:47 PM EDTSevere Thunderstorm WarningAPXAntrim, Charlevoix, Emmet58 min
Jun 18, 7:13 PM EDTSevere Thunderstorm WarningAPXCheboygan, Emmet29 min
Jun 18, 7:42 PM EDTFlash Flood WarningAPXCharlevoix2 hr
Jun 18, 7:56 PM EDTSevere Thunderstorm WarningAPXAntrim, Kalkaska38 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2012Every severe thunderstorm warning in 2012

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.