Alert archive / Michigan / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 82, NWS Gaylord, MI

September 7, 2021Iosco County, Ogemaw County, Michigan

NWS Gaylord, MI issued this severe thunderstorm warning at Sep 7, 2021, 1:47 PM EDT for Iosco County, Ogemaw County, Michigan. It was in force for 58 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: Sep 7, 2021, 1:47 PM EDT (17:47 UTC)
Expired: Sep 7, 2021, 2:45 PM EDT
In force: 58 min
Issued by: NWS Gaylord, MI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Iosco County, MI, Ogemaw County, MI

The radar

The NCL Michigan radar (KAPX), 112 km from the middle of the area, began a volume at 17:47 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.

Issued	Product	Office	Lasted
Sep 7, 12:21 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Alpena, MI (KAPX), launched 12:00Z, 5.8 hours before the alert went out and 127 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: 1018 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 154 m²/s²
0-3 km storm-relative helicity: 195 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

854 
WUUS53 KAPX 071747
SVRAPX
MIC069-129-071845-
/O.NEW.KAPX.SV.W.0082.210907T1747Z-210907T1845Z/

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

The National Weather Service in Gaylord has issued a

* Severe Thunderstorm Warning for...
  Ogemaw County in northern Michigan...
  Iosco County in northern Michigan...

* Until 245 PM EDT.

* At 147 PM EDT, a severe thunderstorm was located over West Branch,
  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.

* This severe thunderstorm will be near...
  Rose City, Selkirk and Skidway Lake around 155 PM EDT.
  Rifle River State Park around 200 PM EDT.

Other locations in the path of this severe thunderstorm include Long
Lake, Whittemore, Hale, Plainfield Township, National City, Tawas
City, East Tawas, Tawas Point State Park, Oscoda, Au Sable and
Wurtsmith Airfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4432 8328 4429 8335 4422 8343 4422 8349
      4418 8351 4420 8437 4440 8432 4452 8327
TIME...MOT...LOC 1747Z 265DEG 43KT 4430 8423 

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

$$

Cornish

3 follow-up statements

034 
WWUS53 KAPX 071801
SVSAPX

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

MIC069-129-071845-
/O.CON.KAPX.SV.W.0082.000000T0000Z-210907T1845Z/
Ogemaw MI-Iosco MI-
201 PM EDT Tue Sep 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR EASTERN OGEMAW AND IOSCO COUNTIES...

At 201 PM EDT, a severe thunderstorm was located near Selkirk, or 12
miles east of West Branch, 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.

Locations impacted include...
  Long Lake, Whittemore, Hale, National City, Plainfield Township, 
  Tawas City, East Tawas, Tawas Point State Park, Oscoda, Au Sable 
  and Wurtsmith Airfield.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4432 8329 4429 8335 4422 8343 4422 8349
      4418 8351 4420 8409 4442 8408 4452 8327
TIME...MOT...LOC 1801Z 265DEG 43KT 4431 8400 

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

$$

Cornish

897 
WWUS53 KAPX 071812
SVSAPX

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

MIC069-129-071845-
/O.CON.KAPX.SV.W.0082.000000T0000Z-210907T1845Z/
Ogemaw MI-Iosco MI-
212 PM EDT Tue Sep 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR EAST CENTRAL OGEMAW AND IOSCO COUNTIES...

At 212 PM EDT, a severe thunderstorm was located near Hale, or 14
miles west of Tawas City, 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.

Locations impacted include...
Oscoda, East Tawas, Tawas City, Au Sable, Whittemore, Hale, Tawas
Point State Park, Plainfield Township, Wurtsmith Airfield, National
City, Wilber and Sid Town.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4432 8329 4429 8335 4422 8343 4422 8349
      4418 8351 4420 8394 4444 8394 4452 8327
TIME...MOT...LOC 1812Z 265DEG 43KT 4432 8381 

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

$$

GILLEN

579 
WWUS53 KAPX 071832
SVSAPX

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

MIC129-071842-
/O.CAN.KAPX.SV.W.0082.000000T0000Z-210907T1845Z/
Ogemaw MI-
232 PM EDT Tue Sep 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL OGEMAW COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has 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 4432 8329 4429 8335 4422 8343 4422 8349
      4418 8351 4422 8362 4448 8358 4452 8327
TIME...MOT...LOC 1832Z 265DEG 43KT 4434 8347 

$$

MIC069-071845-
/O.CON.KAPX.SV.W.0082.000000T0000Z-210907T1845Z/
Iosco MI-
232 PM EDT Tue Sep 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR EASTERN IOSCO COUNTY...

At 232 PM EDT, a severe thunderstorm was located near East Tawas,
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.

Locations impacted include...
Oscoda, East Tawas, Tawas City, Au Sable, Tawas Point State Park,
Wurtsmith Airfield and Wilber.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4432 8329 4429 8335 4422 8343 4422 8349
      4418 8351 4422 8362 4448 8358 4452 8327
TIME...MOT...LOC 1832Z 265DEG 43KT 4434 8347 

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, 2:22 PM EDT	Severe Thunderstorm Warning	APX	Arenac, Gladwin, Iosco, Ogemaw	53 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.