Alert archive / Michigan / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 7, NWS Gaylord, MI

June 11, 2017Leelanau County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jun 11, 2017, 3:51 PM EDT for Leelanau County, Michigan. It was in force for 33 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 11, 2017, 3:51 PM EDT (19:51 UTC)
Expired
Jun 11, 2017, 4:24 PM EDT
In force
33 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Leelanau County, MI

The radar

The NCL Michigan radar (KAPX), 97 km from the middle of the area, began a volume at 19:54 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 11, 2:30 PM EDTSevere Thunderstorm WatchSPC3 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.9 hours before the alert went out and 182 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 2017-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 364 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 2017-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 179 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
364 J/kg
Mixed-layer CIN
-366 J/kg
Mixed-layer LCL
1105 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
179 m²/s²
0-3 km storm-relative helicity
198 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

449 
WUUS53 KAPX 111951
SVRAPX
MIC089-112045-
/O.NEW.KAPX.SV.W.0007.170611T1951Z-170611T2045Z/

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

The National Weather Service in Gaylord has issued a

* Severe Thunderstorm Warning for...
  Leelanau County in northern Michigan...

* Until 445 PM EDT

* At 351 PM EDT, severe thunderstorms were located along a line
  extending from 27 miles northwest of Leland to 24 miles northwest
  of Glen Haven to 13 miles west of Sleeping Bear Point to 13 miles
  west of Frankfort, moving east at 50 mph.

  HAZARD...60 mph wind gusts and penny size hail. 

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Leland, Empire, Grand Traverse Light, Sleeping Bear Point, Bingham,
  Glen Arbor, Suttons Bay, Northport, Cedar, Lake Leelanau,
  Burdickville, Maple City, Glen Haven, Omena, Peshawbestown,
  Leelanau State Park, Fouch, Greilickville and Good Harbor.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4512 8616 4520 8613 4519 8592 4503 8586
      4525 8567 4526 8563 4526 8548 4494 8554
      4477 8567 4478 8607 4482 8617 4493 8616
      4495 8622 4502 8625
TIME...MOT...LOC 1951Z 270DEG 50KT 4532 8612 4520 8629 4496 8630 4469
8651

HAIL...0.75IN
WIND...60MPH
 
$$

MLR
2 follow-up statements
930 
WWUS53 KAPX 112007
SVSAPX

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

MIC089-112045-
/O.CON.KAPX.SV.W.0007.000000T0000Z-170611T2045Z/
Leelanau MI-
407 PM EDT SUN JUN 11 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR LEELANAU COUNTY...

At 406 PM EDT, severe thunderstorms were located along a line
extending from 16 miles northwest of Grand Traverse Light to 17 miles
northwest of Leland to near Sleeping Bear Point to near Frankfort,
moving east at 50 mph.

HAZARD...60 mph wind gusts and penny size hail. 

SOURCE...Radar indicated. 

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

Locations impacted include...
Leland, Empire, Grand Traverse Light, Sleeping Bear Point, Bingham,
Glen Arbor, Suttons Bay, Northport, Cedar, Lake Leelanau,
Burdickville, Maple City, Glen Haven, Omena, Peshawbestown, Leelanau
State Park, Fouch, Greilickville and Good Harbor.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4512 8616 4520 8613 4519 8592 4503 8586
      4525 8567 4526 8563 4526 8548 4494 8554
      4477 8567 4478 8607 4482 8617 4493 8616
      4495 8622 4502 8625
TIME...MOT...LOC 2006Z 270DEG 50KT 4532 8584 4520 8601 4496 8603 4469
8624

HAIL...0.75IN
WIND...60MPH
 
$$

MLR
828 
WWUS53 KAPX 112024
SVSAPX

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

MIC089-112034-
/O.CAN.KAPX.SV.W.0007.000000T0000Z-170611T2045Z/
Leelanau MI-
424 PM EDT SUN JUN 11 2017

...THE SEVERE THUNDERSTORM WARNING FOR LEELANAU COUNTY 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 700 PM EDT for
northern Michigan.

LAT...LON 4512 8616 4520 8613 4519 8592 4503 8586
      4525 8567 4526 8563 4526 8548 4494 8554
      4477 8567 4478 8607 4482 8617 4493 8616
      4495 8622 4502 8625
TIME...MOT...LOC 2022Z 270DEG 50KT 4532 8551 4520 8568 4496 8571 4469
8592

$$

MLR

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 10:06 PM EDTBeach Hazards StatementAPXBenzie, Leelanau, Manistee13 hr
Jun 11, 3:01 PM EDTSpecial Marine WarningAPX119 min
Jun 11, 3:39 PM EDTSevere Thunderstorm WarningAPXCharlevoix, Chippewa, Mackinac50 min
Jun 11, 4:20 PM EDTSevere Thunderstorm WarningAPXCheboygan, Emmet, Mackinac55 min
Jun 11, 4:28 PM EDTSpecial Marine WarningAPX2 hr
Jun 11, 4:48 PM EDTSevere Thunderstorm WarningAPXCheboygan, Chippewa, Mackinac48 min
Jun 11, 5:03 PM EDTSevere Thunderstorm WarningAPXCheboygan, Presque Isle45 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.