Alert archive / Michigan / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 1, NWS Gaylord, MI

April 27, 2021Antrim County, Charlevoix County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Apr 27, 2021, 3:20 PM EDT for Antrim County, Charlevoix County, Michigan. It was in force for 33 min. 1 report 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
Apr 27, 2021, 3:20 PM EDT (19:20 UTC)
Expired
Apr 27, 2021, 3:53 PM EDT
In force
33 min
Issued by
NWS Gaylord, MI
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Antrim County, MI, Charlevoix County, MI

The radar

The NCL Michigan radar (KAPX), 53 km from the middle of the area, began a volume at 19:24 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
Apr 27, 3:20 PM EDTHAIL 0.754 N Kewadin, MI

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 7.3 hours before the alert went out and 227 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 2021-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 139 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
976 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
139 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

443 
WUUS53 KAPX 271920
SVRAPX
MIC009-029-272015-
/O.NEW.KAPX.SV.W.0001.210427T1920Z-210427T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
320 PM EDT Tue Apr 27 2021

The National Weather Service in Gaylord has issued a

* Severe Thunderstorm Warning for...
  Northern Antrim County in northern Michigan...
  South central Charlevoix County in northern Michigan...

* Until 415 PM EDT.

* At 320 PM EDT, a severe thunderstorm was located near Torch Lake,
  or 7 miles northwest of Bellaire, moving northeast at 15 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Boyne City, East Jordan, Bellaire, Ellsworth, Torch Lake, Central
  Lake, Clam River, Ironton, Jordan Township, Young State Park and
  Lake Bellaire.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4503 8548 4501 8543 4506 8542 4510 8542
      4533 8519 4515 8491 4490 8531 4502 8550
TIME...MOT...LOC 1920Z 221DEG 12KT 4502 8534 

HAIL...1.00IN
WIND...<50MPH
 
$$

MLR
3 follow-up statements
302 
WWUS53 KAPX 271931
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
331 PM EDT Tue Apr 27 2021

MIC009-029-272015-
/O.CON.KAPX.SV.W.0001.000000T0000Z-210427T2015Z/
Antrim MI-Charlevoix MI-
331 PM EDT Tue Apr 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR NORTHERN ANTRIM AND SOUTH CENTRAL CHARLEVOIX COUNTIES...

At 331 PM EDT, a severe thunderstorm was located over Central Lake,
or near Ellsworth, moving northeast at 20 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Boyne City, East Jordan, Bellaire, Ellsworth, Torch Lake, Central
Lake, Clam River, Ironton, Jordan Township, Young State Park and Lake
Bellaire.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4503 8548 4501 8543 4506 8542 4510 8542
      4533 8519 4515 8491 4490 8531 4502 8550
TIME...MOT...LOC 1931Z 222DEG 14KT 4507 8526 

HAIL...1.00IN
WIND...<50MPH
 
$$

MLR
509 
WWUS53 KAPX 271946
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
346 PM EDT Tue Apr 27 2021

MIC009-029-272015-
/O.CON.KAPX.SV.W.0001.000000T0000Z-210427T2015Z/
Antrim MI-Charlevoix MI-
346 PM EDT Tue Apr 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR NORTHERN ANTRIM AND SOUTH CENTRAL CHARLEVOIX COUNTIES...

At 345 PM EDT, a severe thunderstorm was located near Jordan
Township, or near East Jordan, moving northeast at 20 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Boyne City, East Jordan, Bellaire, Ellsworth, Torch Lake, Central
Lake, Clam River, Ironton, Jordan Township, Young State Park and Lake
Bellaire.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4503 8548 4501 8543 4506 8542 4510 8542
      4533 8519 4515 8491 4490 8531 4502 8550
TIME...MOT...LOC 1945Z 233DEG 16KT 4510 8513 

HAIL...1.00IN
WIND...<50MPH
 
$$

MLR
929 
WWUS53 KAPX 271953
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
353 PM EDT Tue Apr 27 2021

MIC009-029-272003-
/O.CAN.KAPX.SV.W.0001.000000T0000Z-210427T2015Z/
Antrim MI-Charlevoix MI-
353 PM EDT Tue Apr 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN ANTRIM AND SOUTH
CENTRAL CHARLEVOIX COUNTIES 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.

LAT...LON 4503 8548 4501 8543 4506 8542 4510 8542
      4533 8519 4515 8491 4490 8531 4502 8550
TIME...MOT...LOC 1952Z 221DEG 12KT 4512 8510 

$$

MLR

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 27, 1:26 PM EDTSpecial Weather StatementAPXCharlevoix19 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.