Alert archive / Michigan / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 13, NWS Gaylord, MI

June 12, 20174 counties in Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jun 12, 2017, 11:20 PM EDT for 4 counties in Michigan. It was in force for 35 min. 2 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 12, 2017, 11:20 PM EDT (03:20 UTC)
Expired
Jun 12, 2017, 11:55 PM EDT
In force
35 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Antrim County, MI, Charlevoix County, MI, Grand Traverse County, MI, Leelanau County, MI

The radar

The NCL Michigan radar (KAPX), 75 km from the middle of the area, began a volume at 03:24 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 12, 11:30 PM EDTTSTM WND DMG2 N Cedar, MITWO TREES DOWNED ON GOOD HARBOR TRAIL SOUTH OF GATZKE RD. TIME ESTIMATED VIA RADAR.
Jun 12, 11:43 PM EDTTSTM WND GST 431 Nne Leland, MIMESONET STATION XLEL, LELAND.

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 12, 9:09 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 3.3 hours before the alert went out and 204 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 00:00Z on 2017-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 60 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 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 00:00Z on 2017-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 square meters per square second.1939Sfc1 km3 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
60 J/kg
Mixed-layer CIN
-358 J/kg
Mixed-layer LCL
1488 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

433 
WUUS53 KAPX 130320
SVRAPX
MIC009-029-055-089-130415-
/O.NEW.KAPX.SV.W.0013.170613T0320Z-170613T0415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
1120 PM EDT MON JUN 12 2017

The National Weather Service in Gaylord has issued a

* Severe Thunderstorm Warning for...
  Leelanau County in northern Michigan...
  Northeastern Grand Traverse County in northern Michigan...
  Western Antrim County in northern Michigan...
  South central Charlevoix County in northern Michigan...

* Until 1215 AM EDT

* At 1120 PM EDT, severe thunderstorms were located along a line
  extending from 10 miles west of Sleeping Bear Point to Glen Arbor
  to Lake Ann, moving northeast at 45 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Locations impacted include...
  Boyne City, Charlevoix, East Jordan, Leland, Elk Rapids, Bellaire,
  Empire, Ellsworth, Grand Traverse Light, Sleeping Bear Point,
  Bingham, Torch Lake, Central Lake, Glen Arbor, Norwood, Suttons
  Bay, Northport, Cedar, Clam River and Kewadin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4542 8577 4542 8531 4523 8501 4486 8527
      4485 8532 4478 8533 4478 8606 4487 8632
      4490 8634
TIME...MOT...LOC 0320Z 223DEG 38KT 4492 8625 4489 8598 4475 8584 

HAIL...<.75IN
WIND...60MPH
 
$$

MEK
2 follow-up statements
208 
WWUS53 KAPX 130346
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
1146 PM EDT MON JUN 12 2017

MIC089-130355-
/O.CAN.KAPX.SV.W.0013.000000T0000Z-170613T0415Z/
Leelanau MI-
1146 PM EDT MON JUN 12 2017

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

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

A severe thunderstorm watch remains in effect until 400 AM EDT for
northern Michigan.

LAT...LON 4540 8528 4523 8501 4487 8526 4480 8557
      4499 8560
TIME...MOT...LOC 0345Z 252DEG 43KT 4501 8558 4484 8548 

$$

MIC009-029-055-130415-
/O.CON.KAPX.SV.W.0013.000000T0000Z-170613T0415Z/
Grand Traverse MI-Antrim MI-Charlevoix MI-
1146 PM EDT MON JUN 12 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT
FOR NORTHEASTERN GRAND TRAVERSE...WESTERN ANTRIM AND SOUTH CENTRAL
CHARLEVOIX COUNTIES...

At 1145 PM EDT, severe thunderstorms were located along a line
extending from Peshawbestown to near Mapleton, moving east at 50 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Boyne City, Charlevoix, East Jordan, Elk Rapids, Bellaire, Ellsworth,
Torch Lake, Central Lake, Norwood, Fishermans Island State Park, Clam
River, Kewadin, Alden, Mapleton, Young State Park, Ironton, Old
Mission and Lake Bellaire.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4540 8528 4523 8501 4487 8526 4480 8557
      4499 8560
TIME...MOT...LOC 0345Z 252DEG 43KT 4501 8558 4484 8548 

HAIL...<.75IN
WIND...60MPH
 
$$

MEK
507 
WWUS53 KAPX 130355
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
1155 PM EDT MON JUN 12 2017

MIC009-029-055-130404-
/O.CAN.KAPX.SV.W.0013.000000T0000Z-170613T0415Z/
Grand Traverse MI-Antrim MI-Charlevoix MI-
1155 PM EDT MON JUN 12 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN GRAND TRAVERSE...
WESTERN ANTRIM AND SOUTH CENTRAL CHARLEVOIX COUNTIES IS CANCELLED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore the warning has been cancelled.

A severe thunderstorm watch remains in effect until 400 AM EDT for
northern Michigan.

LAT...LON 4540 8528 4523 8501 4487 8526 4480 8557
      4499 8560
TIME...MOT...LOC 0353Z 223DEG 38KT 4506 8552 4489 8542 

$$

MEK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 9:29 PM EDTSpecial Marine WarningAPX2 hr
Jun 12, 10:34 PM EDTSevere Thunderstorm WarningAPXBenzie, Grand Traverse, Leelanau, Manistee, Wexford56 min
Jun 12, 10:53 PM EDTSpecial Marine WarningAPX97 min
Jun 12, 11:30 PM EDTSevere Thunderstorm WarningAPXAntrim, Crawford, Grand Traverse, Kalkaska, Missaukee, Wexford60 min
Jun 13, 12:36 AM EDTSevere Thunderstorm WarningAPXAlcona, Crawford, Iosco, Ogemaw, Oscoda, Roscommon54 min
Jun 13, 1:27 AM EDTSpecial Marine WarningAPX2 hr
Jun 13, 3:58 PM EDTSmall Craft AdvisoryAPX35 hr

Nearby

Severe Thunderstorm Warnings in Michigan, 2017Every 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.