Alert archive / Michigan / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 53, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Aug 28, 2021, 4:52 PM EDT for Alcona County, Iosco County, Michigan. It was in force for 56 min. 2 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
- Aug 28, 2021, 4:52 PM EDT (20:52 UTC)
- Expired
- Aug 28, 2021, 5:48 PM EDT
- In force
- 56 min
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Alcona County, MI, Iosco County, MI
The radar
The NCL Michigan radar (KAPX), 113 km from the middle of the area, began a volume at 20:53 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 |
|---|---|---|---|
| Aug 28, 5:01 PM EDT | TSTM WND DMG | 6 Nne National City, MI | IOSCO COUNTY DISPATCH REPORTS TREES DOWN NEAR SAND LAKE. |
| Aug 28, 5:25 PM EDT | TSTM WND DMG | Tawas City, MI | COUNTY DISPATCH REPORTS TREES DOWN IN TAWAS CITY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Alpena, MI (KAPX), launched 12:00Z, 8.9 hours before the alert went out and 110 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
- 32 J/kg
- Mixed-layer CIN
- -229 J/kg
- Mixed-layer LCL
- 1106 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
885
WUUS53 KAPX 282052
SVRAPX
MIC001-069-282200-
/O.NEW.KAPX.SV.W.0053.210828T2052Z-210828T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
452 PM EDT Sat Aug 28 2021
The National Weather Service in Gaylord has issued a
* Severe Thunderstorm Warning for...
Southern Alcona County in northern Michigan...
Iosco County in northern Michigan...
* Until 600 PM EDT.
* At 452 PM EDT, severe thunderstorms were located along a line
extending from Glennie to near Whittemore, moving east at 35 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...
Glennie around 500 PM EDT.
Plainfield Township around 510 PM EDT.
Other locations in the path of these severe thunderstorms include
Mikado, Tawas City, East Tawas, Harrisville, Tawas Point State Park
and Harrisville State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4461 8326 4436 8328 4431 8331 4429 8335
4424 8340 4424 8388 4435 8388 4458 8378
4467 8324
TIME...MOT...LOC 2052Z 264DEG 29KT 4458 8372 4425 8387
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Cornish3 follow-up statements
039
WWUS53 KAPX 282109
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
509 PM EDT Sat Aug 28 2021
MIC001-069-282200-
/O.CON.KAPX.SV.W.0053.000000T0000Z-210828T2200Z/
Alcona MI-Iosco MI-
509 PM EDT Sat Aug 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR SOUTHEASTERN ALCONA AND IOSCO COUNTIES...
At 509 PM EDT, severe thunderstorms were located along a line
extending from 6 miles south of Barton City to near Plainfield
Township to near National City, moving east at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Tawas City, Mikado, Oscoda, East Tawas, Au Sable, Tawas Point
State Park, Wurtsmith Airfield, Harrisville and Harrisville State
Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4461 8326 4436 8328 4431 8331 4429 8335
4425 8339 4425 8379 4436 8377 4442 8380
4459 8370 4467 8324
TIME...MOT...LOC 2109Z 262DEG 30KT 4459 8358 4439 8359 4426 8370
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Cornish325
WWUS53 KAPX 282123
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
523 PM EDT Sat Aug 28 2021
MIC001-069-282200-
/O.CON.KAPX.SV.W.0053.000000T0000Z-210828T2200Z/
Alcona MI-Iosco MI-
523 PM EDT Sat Aug 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR SOUTHEASTERN ALCONA AND NORTHERN IOSCO COUNTIES...
At 523 PM EDT, severe thunderstorms were located along a line
extending from near Mikado to near Wurtsmith Airfield to Tawas City,
moving east at 35 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Oscoda, East Tawas, Tawas City, Harrisville, Au Sable, Mikado,
Harrisville State Park, Wurtsmith Airfield, Tawas Point State Park
and Wilber.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4461 8326 4436 8328 4431 8331 4429 8335
4425 8339 4425 8377 4438 8364 4443 8357
4462 8352 4467 8324
TIME...MOT...LOC 2123Z 264DEG 29KT 4460 8344 4440 8345 4427 8356
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Cornish540
WWUS53 KAPX 282148
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
548 PM EDT Sat Aug 28 2021
MIC001-069-282157-
/O.CAN.KAPX.SV.W.0053.000000T0000Z-210828T2200Z/
Alcona MI-Iosco MI-
548 PM EDT Sat Aug 28 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ALCONA AND
NORTHERN IOSCO COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.
LAT...LON 4461 8326 4436 8328 4431 8331 4429 8335
4425 8339 4425 8377 4438 8364 4443 8357
4462 8352 4467 8324
TIME...MOT...LOC 2146Z 264DEG 29KT 4462 8318 4442 8319 4429 8330
$$
CornishThe office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 12:49 AM EDT | Severe Thunderstorm Warning | APX | Benzie, Grand Traverse, Manistee, Wexford | 56 min |
| Aug 28, 12:51 AM EDT | Flash Flood Warning | APX | Benzie | 3 hr |
| Aug 28, 1:08 AM EDT | Flash Flood Warning | APX | Grand Traverse | 3 hr |
| Aug 28, 1:40 AM EDT | Special Weather Statement | APX | Crawford, Kalkaska, Missaukee, Roscommon | 95 min |
| Aug 28, 3:42 AM EDT | Severe Thunderstorm Warning | APX | Arenac, Gladwin, Missaukee, Ogemaw, Roscommon | 63 min |
| Aug 28, 4:15 AM EDT | Severe Thunderstorm Warning | APX | Benzie, Grand Traverse, Kalkaska, Manistee, Missaukee, Wexford | 60 min |
| Aug 28, 2:07 PM EDT | Severe Thunderstorm Warning | APX | Kalkaska | 38 min |
| Aug 28, 2:59 PM EDT | Severe Thunderstorm Warning | APX | Crawford, Ogemaw, Oscoda, Roscommon | 46 min |
| Aug 28, 3:14 PM EDT | Special Marine Warning | APX | 89 min | |
| Aug 28, 3:18 PM EDT | Small Craft Advisory | APX | 29 hr | |
| Aug 28, 3:26 PM EDT | Beach Hazards Statement | APX | Benzie, Charlevoix, Emmet, Leelanau, Mackinac, Manistee | 29 hr |
| Aug 28, 3:57 PM EDT | Severe Thunderstorm Warning | APX | Presque Isle | 33 min |
| Aug 28, 4:01 PM EDT | Severe Thunderstorm Warning | APX | Alpena, Montmorency | 49 min |
| Aug 28, 4:17 PM EDT | Severe Thunderstorm Warning | APX | Alcona, Iosco, Ogemaw, Oscoda | 43 min |
| Aug 28, 4:30 PM EDT | Special Marine Warning | APX | 2 hr | |
| Aug 28, 5:05 PM EDT | Severe Thunderstorm Warning | APX | Arenac, Gladwin, Iosco, Ogemaw | 55 min |
| Aug 28, 5:18 PM EDT | Special Marine Warning | APX | 117 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.