Alert archive / Michigan / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 73, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Sep 7, 2021, 11:30 AM EDT for 6 counties in Michigan. It was in force for 45 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, 11:30 AM EDT (15:30 UTC)
- Expired
- Sep 7, 2021, 12:15 PM EDT
- In force
- 45 min
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Alcona County, MI, Crawford County, MI, Iosco County, MI, Ogemaw County, MI, Oscoda County, MI, Roscommon County, MI
The radar
The NCL Michigan radar (KAPX), 64 km from the middle of the area, began a volume at 15:30 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
Alpena, MI (KAPX), launched 12:00Z, 3.5 hours before the alert went out and 150 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.
- 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
The text
As transmitted.
173
WUUS53 KAPX 071530
SVRAPX
MIC001-039-069-129-135-143-071615-
/O.NEW.KAPX.SV.W.0073.210907T1530Z-210907T1615Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
1130 AM EDT Tue Sep 7 2021
The National Weather Service in Gaylord has issued a
* Severe Thunderstorm Warning for...
Southwestern Alcona County in northern Michigan...
Southeastern Crawford County in northern Michigan...
Northern Ogemaw County in northern Michigan...
Northeastern Roscommon County in northern Michigan...
Northwestern Iosco County in northern Michigan...
Southern Oscoda County in northern Michigan...
* Until 1215 PM EDT.
* At 1130 AM EDT, severe thunderstorms were located along a line
extending from South Branch Township to near Lake St. Helen, moving
east at 55 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...
Luzerne around 1140 AM EDT.
Clear Lake around 1145 AM EDT.
Mio, Rose City, Mack Lake and Selkirk around 1150 AM EDT.
Other locations in the path of these severe thunderstorms include
Lupton, Rose Township, Rifle River State Park, McKinley, Long Lake,
South Branch and Curtisville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4475 8382 4434 8363 4428 8450 4436 8455
4458 8445
TIME...MOT...LOC 1530Z 247DEG 47KT 4454 8443 4432 8447
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Cornish3 follow-up statements
416
WWUS53 KAPX 071540
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
1140 AM EDT Tue Sep 7 2021
MIC039-143-071550-
/O.CAN.KAPX.SV.W.0073.000000T0000Z-210907T1615Z/
Crawford MI-Roscommon MI-
1140 AM EDT Tue Sep 7 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CRAWFORD AND
NORTHEASTERN ROSCOMMON COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 4434 8363 4429 8437 4448 8437 4467 8378
TIME...MOT...LOC 1540Z 254DEG 41KT 4447 8433 4434 8428
$$
MIC001-069-129-135-071615-
/O.CON.KAPX.SV.W.0073.000000T0000Z-210907T1615Z/
Alcona MI-Ogemaw MI-Iosco MI-Oscoda MI-
1140 AM EDT Tue Sep 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT
FOR SOUTHWESTERN ALCONA...NORTHERN OGEMAW...NORTHWESTERN IOSCO AND
SOUTHEASTERN OSCODA COUNTIES...
At 1140 AM EDT, severe thunderstorms were located along a line
extending from near Clear Lake to near West Branch, moving east at 45
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...
Rose City, Rose Township, Mack Lake, Selkirk, Rifle River State
Park, Lupton, Long Lake, South Branch, Curtisville, Hale and
Plainfield Township.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4434 8363 4429 8437 4448 8437 4467 8378
TIME...MOT...LOC 1540Z 254DEG 41KT 4447 8433 4434 8428
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Cornish867
WWUS53 KAPX 071553
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
1153 AM EDT Tue Sep 7 2021
MIC001-069-129-135-071615-
/O.CON.KAPX.SV.W.0073.000000T0000Z-210907T1615Z/
Alcona MI-Ogemaw MI-Iosco MI-Oscoda MI-
1153 AM EDT Tue Sep 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT
FOR SOUTHWESTERN ALCONA...NORTHEASTERN OGEMAW...NORTHWESTERN IOSCO
AND SOUTHEASTERN OSCODA COUNTIES...
At 1153 AM EDT, severe thunderstorms were located along a line
extending from Rose Township to near Rifle River State Park, moving
east at 60 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
South Branch, Rose City, Hale, Rose Township, Selkirk, Plainfield
Township, Lupton, Rifle River State Park and Curtisville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4430 8420 4451 8418 4467 8378 4434 8363
TIME...MOT...LOC 1553Z 264DEG 50KT 4450 8408 4437 8403
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Cornish247
WWUS53 KAPX 071603
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
1203 PM EDT Tue Sep 7 2021
MIC001-069-129-135-071615-
/O.CON.KAPX.SV.W.0073.000000T0000Z-210907T1615Z/
Alcona MI-Ogemaw MI-Iosco MI-Oscoda MI-
1203 PM EDT Tue Sep 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT
FOR SOUTHWESTERN ALCONA...NORTHEASTERN OGEMAW...NORTHWESTERN IOSCO
AND SOUTHEASTERN OSCODA COUNTIES...
At 1203 PM EDT, severe thunderstorms were located along a line
extending from near Curtisville to near South Branch, moving
northeast at 55 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...
South Branch, Hale, Selkirk, Plainfield Township, Lupton, Rifle River
State Park and Curtisville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4431 8409 4454 8409 4467 8378 4434 8363
TIME...MOT...LOC 1603Z 247DEG 47KT 4454 8394 4441 8389
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
GILLENThe 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, 11:56 AM EDT | Severe Thunderstorm Warning | 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, 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, 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.