Alert archive / Michigan / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 13, NWS Gaylord, MI

June 29, 2021Leelanau County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Jun 29, 2021, 8:52 PM EDT for Leelanau County, Michigan. It was in force for 38 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 29, 2021, 8:52 PM EDT (00:52 UTC)
Expired
Jun 29, 2021, 9:30 PM EDT
In force
38 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), 99 km from the middle of the area, began a volume at 00:54 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 nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.9 hours before the alert went out and 179 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 2021-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 00:00Z on 2021-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.1939587897Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1147 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

107 
WUUS53 KAPX 300052
SVRAPX
MIC089-300145-
/O.NEW.KAPX.SV.W.0013.210630T0052Z-210630T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
852 PM EDT Tue Jun 29 2021

The National Weather Service in Gaylord has issued a

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

* Until 945 PM EDT.

* At 851 PM EDT, a severe thunderstorm was located 8 miles northwest
  of Sleeping Bear Point, moving east at 40 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* This severe thunderstorm will be near...
  Sleeping Bear Point, Glen Arbor and Glen Haven around 900 PM EDT.
  Leland around 920 PM EDT.
  Lake Leelanau around 925 PM EDT.
  Suttons Bay and Peshawbestown around 930 PM EDT.

Other locations impacted by this severe thunderstorm include Good
Harbor.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4505 8619 4508 8611 4513 8610 4513 8593
      4506 8591 4502 8597 4500 8596 4498 8584
      4505 8581 4514 8570 4515 8551 4485 8559
      4488 8612 4493 8611 4494 8602 4499 8596
      4501 8597 4502 8602 4496 8612 4499 8620
TIME...MOT...LOC 0051Z 268DEG 33KT 4500 8614 

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

JZ
4 follow-up statements
450 
WWUS53 KAPX 300102
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
902 PM EDT Tue Jun 29 2021

MIC089-300145-
/O.CON.KAPX.SV.W.0013.000000T0000Z-210630T0145Z/
Leelanau MI-
902 PM EDT Tue Jun 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
FOR LEELANAU COUNTY...

At 901 PM EDT, a severe thunderstorm was located near Sleeping Bear
Point, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

This severe storm will be near...
  Leland around 920 PM EDT.
  Lake Leelanau around 925 PM EDT.
  Bingham and Suttons Bay around 930 PM EDT.
  Peshawbestown around 935 PM EDT.

Other locations impacted by this severe thunderstorm include Good
Harbor.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4513 8610 4513 8594 4506 8591 4502 8597
      4500 8596 4498 8584 4505 8581 4514 8570
      4515 8551 4485 8559 4488 8612 4493 8610
      4494 8602 4499 8596 4501 8597 4502 8602
      4496 8612 4499 8616
TIME...MOT...LOC 0101Z 273DEG 32KT 4498 8601 

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

JZ
779 
WWUS53 KAPX 300110
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
910 PM EDT Tue Jun 29 2021

MIC089-300145-
/O.CON.KAPX.SV.W.0013.000000T0000Z-210630T0145Z/
Leelanau MI-
910 PM EDT Tue Jun 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
FOR LEELANAU COUNTY...

At 910 PM EDT, a severe thunderstorm was located 7 miles northeast of
Glen Arbor, or 7 miles southwest of Leland, moving east at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

This severe storm will be near...
  Leland around 920 PM EDT.
  Bingham and Lake Leelanau around 925 PM EDT.
  Suttons Bay around 930 PM EDT.
  Peshawbestown and Omena around 935 PM EDT.

Other locations impacted by this severe thunderstorm include Good
Harbor.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4493 8610 4494 8602 4500 8595 4502 8597
      4503 8603 4513 8610 4513 8594 4506 8591
      4503 8596 4500 8593 4498 8584 4505 8581
      4514 8570 4515 8551 4485 8559 4488 8612
TIME...MOT...LOC 0110Z 270DEG 32KT 4497 8590 

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

JZ
099 
WWUS53 KAPX 300119
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
919 PM EDT Tue Jun 29 2021

MIC089-300145-
/O.CON.KAPX.SV.W.0013.000000T0000Z-210630T0145Z/
Leelanau MI-
919 PM EDT Tue Jun 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
FOR LEELANAU COUNTY...

At 918 PM EDT, a severe thunderstorm was located over Lake Leelanau,
or near Leland, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

This severe storm will be near...
  Bingham around 925 PM EDT.
  Suttons Bay and Peshawbestown around 930 PM EDT.
  Omena around 935 PM EDT.

Other locations impacted by this severe thunderstorm include Good
Harbor.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4494 8602 4500 8595 4503 8597 4513 8600
      4513 8594 4506 8591 4502 8595 4500 8593
      4498 8584 4505 8581 4514 8570 4515 8551
      4485 8559 4488 8604
TIME...MOT...LOC 0118Z 268DEG 34KT 4497 8578 

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

JZ
495 
WWUS53 KAPX 300130
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
930 PM EDT Tue Jun 29 2021

MIC089-300139-
/O.CAN.KAPX.SV.W.0013.000000T0000Z-210630T0145Z/
Leelanau MI-
930 PM EDT Tue Jun 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR LEELANAU COUNTY
IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds and
heavy rain are still possible with this thunderstorm as it crosses
Leelanau County and Grand Traverse Bay.

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

LAT...LON 4494 8602 4500 8595 4503 8597 4513 8600
      4513 8594 4506 8591 4502 8595 4500 8593
      4498 8584 4505 8581 4514 8570 4515 8551
      4485 8559 4488 8604
TIME...MOT...LOC 0127Z 268DEG 33KT 4497 8563 

$$

JZ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 8:24 PM EDTSpecial Marine WarningAPX79 min
Jun 29, 8:34 PM EDTSpecial Weather StatementAPXLeelanau56 min
Jun 29, 8:50 PM EDTSpecial Marine WarningAPX66 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2021Every severe thunderstorm warning in 2021

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.