Alert archive / Michigan / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 9, NWS Gaylord, MI

June 11, 2017Cheboygan County, Chippewa County, Mackinac County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jun 11, 2017, 4:48 PM EDT for Cheboygan County, Chippewa County, Mackinac County, Michigan. It was in force for 48 min. 3 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 11, 2017, 4:48 PM EDT (20:48 UTC)
Expired: Jun 11, 2017, 5:36 PM EDT
In force: 48 min
Issued by: NWS Gaylord, MI
Area: Storm-based polygon
Hail: 0.75 in
Wind: 70.0 mph

Counties Cheboygan County, MI, Chippewa County, MI, Mackinac County, MI

The radar

The NCL Michigan radar (KAPX), 130 km from the middle of the area, began a volume at 20:48 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

Time	Report	Where	Remark
Jun 11, 4:57 PM EDT	TSTM WND DMG	7 Ssw Goetzville, MI	LARGE TREE DOWN ON VEHICLE. TIME ESTIMATED.
Jun 11, 4:58 PM EDT	TSTM WND DMG	5 S Munuscong, MI	TREES UPROOTED, CAMPER MOVED, AND SOME DAMAGE TO SHINGLES ON S MAPLE POINT RD IN PICKFORD. TIME ESTIMATED.
Jun 11, 5:03 PM EDT	TSTM WND DMG	Raber, MI	OVER 25 TREES REPORTED DOWN IN RABER. TIME ESTIMATED.

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.

Issued	Product	Office	Lasted
Jun 11, 2:30 PM EDT	Severe Thunderstorm Watch	SPC	3 hr

The nearest sounding before it

Alpena, MI (KAPX), launched 12:00Z, 8.8 hours before the alert went out and 161 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1296 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 172 m²/s²
0-3 km storm-relative helicity: 236 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

221 
WUUS53 KAPX 112048
SVRAPX
MIC031-033-097-112200-
/O.NEW.KAPX.SV.W.0009.170611T2048Z-170611T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
448 PM EDT SUN JUN 11 2017

The National Weather Service in Gaylord has issued a

* Severe Thunderstorm Warning for...
  Southeastern Chippewa County in eastern Michigan...
  Northeastern Cheboygan County in northern Michigan...
  Eastern Mackinac County in eastern Michigan...

* Until 600 PM EDT

* At 447 PM EDT, severe thunderstorms were located along a line
  extending from near Kinross to 7 miles south of Cedarville to near
  Cheboygan State Park, moving east at 55 mph.

  HAZARD...70 mph wind gusts and penny size hail. 

  SOURCE...Radar indicated. At 438 pm edt...60 mph wind was 
           reported on Mackinac Island. 

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings. 

* Locations impacted include...
  Cheboygan, False Detour Channel, Potagannissing Bay, Drummond
  Island, Saint Marys River, Pickford, Rudyard, Cedarville, Point Aux
  Pins On, Kelden, Hessel, Nine Mile Point, Cheboygan State Park,
  Detour Village, Stalwart, Goetzville, Barbeau, Munuscong, Raber and
  Marquette Island.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4585 8357 4590 8412 4586 8434 4580 8426
      4573 8427 4568 8413 4563 8408 4559 8453
      4587 8451 4623 8462 4634 8412 4624 8411
      4615 8401 4606 8395 4606 8390 4612 8383
      4610 8375 4612 8364 4611 8357 4600 8344
TIME...MOT...LOC 2047Z 256DEG 48KT 4618 8450 4589 8442 4563 8441 

HAIL...0.75IN
WIND...70MPH
 
$$

MLR

3 follow-up statements

196 
WWUS53 KAPX 112107
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
507 PM EDT SUN JUN 11 2017

MIC097-112117-
/O.CAN.KAPX.SV.W.0009.000000T0000Z-170611T2200Z/
Mackinac MI-
507 PM EDT SUN JUN 11 2017

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MACKINAC COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A severe thunderstorm watch remains in effect until 700 PM EDT for
northern and eastern Michigan.

LAT...LON 4585 8357 4590 8412 4586 8433 4580 8426
      4573 8427 4562 8412 4559 8453 4573 8440
      4598 8428 4598 8412 4600 8424 4634 8412
      4624 8411 4606 8395 4606 8390 4612 8383
      4610 8375 4612 8364 4611 8358 4600 8344
TIME...MOT...LOC 2107Z 266DEG 52KT 4623 8403 4594 8399 4569 8398 4535
8424

$$

MIC031-033-112200-
/O.CON.KAPX.SV.W.0009.000000T0000Z-170611T2200Z/
Chippewa MI-Cheboygan MI-
507 PM EDT SUN JUN 11 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR SOUTHEASTERN CHIPPEWA AND NORTHEASTERN CHEBOYGAN COUNTIES...

At 507 PM EDT, severe thunderstorms were located along a line
extending from 7 miles east of Munuscong to near Saint Marys River to
12 miles east of Nine Mile Point to Onaway, moving east at 50 mph.

HAZARD...70 mph wind gusts and penny size hail. 

SOURCE...Radar indicated. 

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings. 

Locations impacted include...
Cheboygan, Drummond Island, False Detour Channel, Saint Marys River,
Potagannissing Bay, Cheboygan State Park, Detour Village, Goetzville,
Nine Mile Point and Raber.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4585 8357 4590 8412 4586 8433 4580 8426
      4573 8427 4562 8412 4559 8453 4573 8440
      4598 8428 4598 8412 4600 8424 4634 8412
      4624 8411 4606 8395 4606 8390 4612 8383
      4610 8375 4612 8364 4611 8358 4600 8344
TIME...MOT...LOC 2107Z 266DEG 52KT 4623 8403 4594 8399 4569 8398 4535
8424

HAIL...0.75IN
WIND...70MPH
 
$$

MLR

551 
WWUS53 KAPX 112120
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
520 PM EDT SUN JUN 11 2017

MIC031-112129-
/O.CAN.KAPX.SV.W.0009.000000T0000Z-170611T2200Z/
Cheboygan MI-
520 PM EDT SUN JUN 11 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CHEBOYGAN COUNTY
IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A severe thunderstorm watch remains in effect until 700 PM EDT for
eastern Michigan.

LAT...LON 4585 8357 4588 8393 4606 8395 4606 8390
      4612 8383 4610 8375 4612 8364 4600 8344
TIME...MOT...LOC 2119Z 251DEG 55KT 4632 8369 4603 8366 4578 8372 4562
8390

$$

MIC033-112200-
/O.CON.KAPX.SV.W.0009.000000T0000Z-170611T2200Z/
Chippewa MI-
520 PM EDT SUN JUN 11 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR SOUTHEASTERN CHIPPEWA COUNTY...

At 519 PM EDT, severe thunderstorms were located along a line
extending from 20 miles northeast of Potagannissing Bay to near
Drummond Island to 16 miles southwest of False Detour Channel to 8
miles north of Forty Mile Point, moving east at 50 mph.

HAZARD...70 mph wind gusts and penny size hail. 

SOURCE...Radar indicated. 

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings. 

Locations impacted include...
Drummond Island, False Detour Channel, Saint Marys River,
Potagannissing Bay and Detour Village.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4585 8357 4588 8393 4606 8395 4606 8390
      4612 8383 4610 8375 4612 8364 4600 8344
TIME...MOT...LOC 2119Z 251DEG 55KT 4632 8369 4603 8366 4578 8372 4562
8390

HAIL...0.75IN
WIND...70MPH
 
$$

MLR

580 
WWUS53 KAPX 112136
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
536 PM EDT SUN JUN 11 2017

MIC033-112146-
/O.CAN.KAPX.SV.W.0009.000000T0000Z-170611T2200Z/
Chippewa MI-
536 PM EDT SUN JUN 11 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHIPPEWA COUNTY
IS CANCELLED...
    
The storms which prompted the warning have moved out of the area.
Therefore the warning has been cancelled.

A severe thunderstorm watch remains in effect until 700 PM EDT for
eastern Michigan.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Gaylord.

LAT...LON 4585 8357 4588 8393 4606 8395 4606 8390
      4612 8383 4610 8375 4612 8364 4600 8344
TIME...MOT...LOC 2134Z 256DEG 48KT 4637 8340 4608 8337 4583 8343 4567
8361

$$

MLR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 10:06 PM EDT	Beach Hazards Statement	APX	Benzie, Leelanau, Manistee	13 hr
Jun 11, 3:01 PM EDT	Special Marine Warning	APX		119 min
Jun 11, 3:39 PM EDT	Severe Thunderstorm Warning	APX	Charlevoix, Chippewa, Mackinac	50 min
Jun 11, 3:51 PM EDT	Severe Thunderstorm Warning	APX	Leelanau	33 min
Jun 11, 4:20 PM EDT	Severe Thunderstorm Warning	APX	Cheboygan, Emmet, Mackinac	55 min
Jun 11, 4:28 PM EDT	Special Marine Warning	APX		2 hr
Jun 11, 5:03 PM EDT	Severe Thunderstorm Warning	APX	Cheboygan, Presque Isle	45 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2017 Every severe thunderstorm warning in 2017

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.