Alert archive / Michigan / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 83, NWS Gaylord, MI

September 7, 20214 counties in Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Sep 7, 2021, 2:22 PM EDT for 4 counties in Michigan. It was in force for 53 min. 4 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: Sep 7, 2021, 2:22 PM EDT (18:22 UTC)
Expired: Sep 7, 2021, 3:15 PM EDT
In force: 53 min
Issued by: NWS Gaylord, MI
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 60.0 mph

Counties Arenac County, MI, Gladwin County, MI, Iosco County, MI, Ogemaw County, MI

The radar

The NCL Michigan radar (KAPX), 116 km from the middle of the area, began a volume at 18:24 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

Time	Report	Where	Remark
Sep 7, 2:41 PM EDT	HAIL 0.75	Gladwin, MI
Sep 7, 2:43 PM EDT	TSTM WND DMG	5 W Beaverton, MI	TREES DOWN ON POWER LINES.
Sep 7, 2:55 PM EDT	TSTM WND DMG	3 Wsw Winegars, MI	TREES DOWN ON POWER LINES.
Sep 7, 3:10 PM EDT	HAIL 0.5	Au Gres, MI

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
Sep 7, 12:21 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 6.4 hours before the alert went out and 151 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: 1621 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 150 m²/s²
0-3 km storm-relative helicity: 201 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

117 
WUUS53 KAPX 071822
SVRAPX
MIC011-051-069-129-071915-
/O.NEW.KAPX.SV.W.0083.210907T1822Z-210907T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
222 PM EDT Tue Sep 7 2021

The National Weather Service in Gaylord has issued a

* Severe Thunderstorm Warning for...
  Arenac County in northern Michigan...
  Gladwin County in northern Michigan...
  Southern Ogemaw County in northern Michigan...
  Southwestern Iosco County in northern Michigan...

* Until 315 PM EDT.

* At 222 PM EDT, severe thunderstorms were located along a line
  extending from near Twin Lakes Area to Gladwin to near Farwell,
  moving east at 40 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Severe thunderstorms will be near...
  Gladwin around 225 PM EDT.
  Bowmanville around 230 PM EDT.
  Wooden Shoe Village and Hockaday around 235 PM EDT.

Other locations in the path of these severe thunderstorms include
Beaverton, Skidway Lake, Alger, Sterling, Winegars, Standish, Maple
Ridge, Turner and Rhodes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4415 8461 4421 8393 4420 8350 4418 8351
      4417 8357 4405 8358 4405 8365 4402 8369
      4399 8368 4400 8374 4399 8374 4398 8380
      4400 8383 4391 8391 4391 8404 4400 8405
      4400 8417 4383 8417 4382 8460
TIME...MOT...LOC 1822Z 260DEG 34KT 4417 8441 4399 8453 4387 8482 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Cornish

4 follow-up statements

972 
WWUS53 KAPX 071836
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
236 PM EDT Tue Sep 7 2021

MIC011-051-069-129-071915-
/O.CON.KAPX.SV.W.0083.000000T0000Z-210907T1915Z/
Arenac MI-Gladwin MI-Ogemaw MI-Iosco MI-
236 PM EDT Tue Sep 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR ARENAC...GLADWIN...SOUTHERN OGEMAW AND SOUTHWESTERN IOSCO
COUNTIES...

At 236 PM EDT, severe thunderstorms were located along a line
extending from near Alger to near Wooden Shoe Village to near
Beaverton, moving east at 50 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

These severe storms will be near...
  Alger around 240 PM EDT.

Other locations in the path of these severe thunderstorms include
Rhodes, Skidway Lake, Sterling, Maple Ridge, Standish, Twining,
Turner, Omer and Au Gres.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4415 8461 4421 8393 4420 8350 4418 8351
      4417 8357 4405 8358 4405 8365 4402 8369
      4399 8368 4400 8374 4399 8374 4398 8380
      4400 8383 4391 8391 4391 8404 4400 8405
      4400 8417 4383 8417 4382 8460
TIME...MOT...LOC 1836Z 270DEG 49KT 4417 8419 4395 8430 4383 8455 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Cornish

672 
WWUS53 KAPX 071844
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
244 PM EDT Tue Sep 7 2021

MIC011-051-069-129-071915-
/O.CON.KAPX.SV.W.0083.000000T0000Z-210907T1915Z/
Arenac MI-Gladwin MI-Ogemaw MI-Iosco MI-
244 PM EDT Tue Sep 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR ARENAC...GLADWIN...SOUTHEASTERN OGEMAW AND SOUTHWESTERN IOSCO
COUNTIES...

At 243 PM EDT, severe thunderstorms were located along a line
extending from Skidway Lake to near Bentley to near Edenville, moving
east at 50 mph.

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

SOURCE...Emergency management. At 241 PM EDT, Gladwin county 
         emergency management reported penny size hail in Gladwin.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

These severe storms will be near...
  Sterling, Maple Ridge and Skidway Lake around 250 PM EDT.
  Standish around 255 PM EDT.

Other locations in the path of these severe thunderstorms include
Twining, Turner and Au Gres.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4382 8460 4406 8460 4411 8432 4418 8427
      4421 8393 4420 8350 4417 8357 4405 8358
      4405 8366 4402 8369 4399 8368 4400 8374
      4398 8379 4400 8383 4391 8391 4391 8404
      4400 8405 4400 8417 4383 8417
TIME...MOT...LOC 1843Z 273DEG 44KT 4417 8406 4395 8420 4383 8435 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Cornish

303 
WWUS53 KAPX 071900
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
300 PM EDT Tue Sep 7 2021

MIC069-129-071910-
/O.CAN.KAPX.SV.W.0083.000000T0000Z-210907T1915Z/
Ogemaw MI-Iosco MI-
300 PM EDT Tue Sep 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN OGEMAW AND
SOUTHWESTERN IOSCO COUNTIES 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 Michigan.

LAT...LON 4399 8431 4404 8416 4406 8397 4417 8386
      4416 8357 4405 8358 4405 8366 4402 8369
      4399 8368 4400 8374 4398 8379 4400 8383
      4391 8391 4391 8404 4400 8406 4400 8417
      4383 8417 4383 8447
TIME...MOT...LOC 1900Z 260DEG 34KT 4420 8385 4398 8399 4386 8414 

$$

MIC011-051-071915-
/O.CON.KAPX.SV.W.0083.000000T0000Z-210907T1915Z/
Arenac MI-Gladwin MI-
300 PM EDT Tue Sep 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR ARENAC AND SOUTHEASTERN GLADWIN COUNTIES...

At 300 PM EDT, severe thunderstorms were located along a line
extending from near Whittemore to Standish to near Rhodes, moving
east at 40 mph.

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

SOURCE...Emergency management.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
  Twining, Turner, Omer and Au Gres.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4399 8431 4404 8416 4406 8397 4417 8386
      4416 8357 4405 8358 4405 8366 4402 8369
      4399 8368 4400 8374 4398 8379 4400 8383
      4391 8391 4391 8404 4400 8406 4400 8417
      4383 8417 4383 8447
TIME...MOT...LOC 1900Z 260DEG 34KT 4420 8385 4398 8399 4386 8414 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Cornish

166 
WWUS53 KAPX 071904
SVSAPX

Severe Weather Statement
National Weather Service Gaylord MI
304 PM EDT Tue Sep 7 2021

MIC051-071913-
/O.CAN.KAPX.SV.W.0083.000000T0000Z-210907T1915Z/
Gladwin MI-
304 PM EDT Tue Sep 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GLADWIN 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 Michigan.

LAT...LON 4391 8404 4399 8396 4417 8376 4416 8357
      4405 8358 4405 8366 4402 8369 4399 8368
      4400 8374 4398 8379 4400 8383 4391 8391
TIME...MOT...LOC 1903Z 273DEG 51KT 4416 8369 4394 8383 4382 8398 

$$

MIC011-071915-
/O.CON.KAPX.SV.W.0083.000000T0000Z-210907T1915Z/
Arenac MI-
304 PM EDT Tue Sep 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR CENTRAL ARENAC COUNTY...

At 303 PM EDT, severe thunderstorms were located along a line
extending from near Turner to 7 miles southeast of Standish to near
Pinconning, moving east at 60 mph.

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

SOURCE...Emergency management.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Standish, Au Gres, Omer, Twining and Turner. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4391 8404 4399 8396 4417 8376 4416 8357
      4405 8358 4405 8366 4402 8369 4399 8368
      4400 8374 4398 8379 4400 8383 4391 8391
TIME...MOT...LOC 1903Z 273DEG 51KT 4416 8369 4394 8383 4382 8398 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Cornish

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 7, 4:14 AM EDT	Beach Hazards Statement	APX	Alpena, Benzie, Charlevoix, Emmet, Leelanau, Mackinac and 1 more	12 hr
Sep 7, 7:26 AM EDT	Special Marine Warning	APX		2 hr
Sep 7, 7:55 AM EDT	Special Marine Warning	APX		95 min
Sep 7, 8:26 AM EDT	Special Marine Warning	APX		64 min
Sep 7, 8:40 AM EDT	Severe Thunderstorm Warning	APX	Benzie, Grand Traverse, Leelanau	50 min
Sep 7, 8:57 AM EDT	Severe Thunderstorm Warning	APX	Benzie, Grand Traverse, Manistee	33 min
Sep 7, 9:25 AM EDT	Severe Thunderstorm Warning	APX	Antrim, Grand Traverse, Kalkaska	50 min
Sep 7, 9:27 AM EDT	Special Marine Warning	APX		33 min
Sep 7, 9:29 AM EDT	Severe Thunderstorm Warning	APX	Benzie, Grand Traverse, Kalkaska, Manistee, Missaukee, Wexford	46 min
Sep 7, 10:26 AM EDT	Severe Thunderstorm Warning	APX	Missaukee, Wexford	34 min
Sep 7, 10:49 AM EDT	Special Marine Warning	APX		56 min
Sep 7, 11:06 AM EDT	Severe Thunderstorm Warning	APX	Crawford, Missaukee, Ogemaw, Oscoda, Roscommon	24 min
Sep 7, 11:24 AM EDT	Severe Thunderstorm Warning	APX	Benzie, Manistee	51 min
Sep 7, 11:28 AM EDT	Severe Thunderstorm Warning	APX	Crawford, Kalkaska	47 min
Sep 7, 11:30 AM EDT	Severe Thunderstorm Warning	APX	Alcona, Crawford, Iosco, Ogemaw, Oscoda, Roscommon	45 min
Sep 7, 11:56 AM EDT	Severe Thunderstorm Warning Considerable damage threat	APX	Manistee, Missaukee, Wexford	34 min
Sep 7, 12:00 PM EDT	Severe Thunderstorm Warning	APX	Manistee	30 min
Sep 7, 12:08 PM EDT	Severe Thunderstorm Warning	APX	Alcona, Iosco, Ogemaw	14 min
Sep 7, 12:28 PM EDT	Severe Thunderstorm Warning	APX	Missaukee, Roscommon, Wexford	47 min
Sep 7, 1:09 PM EDT	Severe Thunderstorm Warning	APX	Iosco	16 min
Sep 7, 1:10 PM EDT	Special Marine Warning	APX		2 hr
Sep 7, 1:29 PM EDT	Severe Thunderstorm Warning	APX	Wexford	19 min
Sep 7, 1:31 PM EDT	Special Marine Warning	APX		67 min
Sep 7, 1:31 PM EDT	Severe Thunderstorm Warning	APX	Missaukee, Roscommon	29 min
Sep 7, 1:37 PM EDT	Severe Thunderstorm Warning	APX	Alcona, Alpena, Iosco	38 min
Sep 7, 1:47 PM EDT	Severe Thunderstorm Warning	APX	Iosco, Ogemaw	58 min
Sep 7, 3:12 PM EDT	Special Marine Warning	APX		70 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2021 Every 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.