Alert archive / Michigan / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 46, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Aug 28, 2021, 3:42 AM EDT for 5 counties in Michigan. It was in force for 63 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
- Aug 28, 2021, 3:42 AM EDT (07:42 UTC)
- Expired
- Aug 28, 2021, 4:45 AM EDT
- In force
- 63 min
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Arenac County, MI, Gladwin County, MI, Missaukee County, MI, Ogemaw County, MI, Roscommon County, MI
The radar
The NCL Michigan radar (KAPX), 99 km from the middle of the area, began a volume at 07:44 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
Detroit, MI (KDTX), launched 00:00Z, 7.7 hours before the alert went out and 166 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
- 1175 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 903 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted.
546
WUUS53 KAPX 280742
SVRAPX
MIC011-051-113-129-143-280845-
/O.NEW.KAPX.SV.W.0046.210828T0742Z-210828T0845Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
342 AM EDT Sat Aug 28 2021
The National Weather Service in Gaylord has issued a
* Severe Thunderstorm Warning for...
Western Arenac County in northern Michigan...
Gladwin County in northern Michigan...
Ogemaw County in northern Michigan...
Roscommon County in northern Michigan...
Southeastern Missaukee County in northern Michigan...
* Until 445 AM EDT.
* At 341 AM EDT, severe thunderstorms were located along a line
extending from near Moddersville to 8 miles northwest of Farwell,
moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Alger, Houghton Lake, Gladwin, West Branch, Standish, Sterling,
Prudenville, St. Helen, Maple Ridge, Beaverton, Rose City, Skidway
Lake, Hockaday, Rhodes, Rifle River State Park, Twin Lakes Area,
Roscommon County Airport, Wooden Shoe Village, Clear Lake and
Lupton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4416 8461 4417 8504 4435 8500 4451 8389
4393 8389 4391 8391 4391 8404 4400 8405
4400 8417 4383 8417 4381 8460
TIME...MOT...LOC 0741Z 263DEG 40KT 4429 8493 4388 8502
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$2 follow-up statements
705
WWUS53 KAPX 280802
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
402 AM EDT Sat Aug 28 2021
MIC011-051-113-129-143-280845-
/O.CON.KAPX.SV.W.0046.000000T0000Z-210828T0845Z/
Arenac MI-Gladwin MI-Ogemaw MI-Roscommon MI-Missaukee MI-
402 AM EDT Sat Aug 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM EDT
FOR WESTERN ARENAC...GLADWIN...OGEMAW...ROSCOMMON AND SOUTHEASTERN
MISSAUKEE COUNTIES...
At 402 AM EDT, severe thunderstorms were located along a line
extending from near Houghton Lake to 6 miles west of Skeels to near
Farwell, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Alger, Houghton Lake, Gladwin, West Branch, Standish, Sterling,
Prudenville, St. Helen, Maple Ridge, Beaverton, Rose City, Skidway
Lake, Hockaday, Rhodes, Rifle River State Park, Twin Lakes Area,
Roscommon County Airport, Wooden Shoe Village, Clear Lake and Lupton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4416 8461 4417 8504 4435 8500 4451 8389
4393 8389 4391 8391 4391 8404 4400 8405
4400 8417 4383 8417 4381 8460
TIME...MOT...LOC 0802Z 264DEG 35KT 4430 8483 4406 8471 4379 8487
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$319
WWUS53 KAPX 280830
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
430 AM EDT Sat Aug 28 2021
MIC113-280839-
/O.CAN.KAPX.SV.W.0046.000000T0000Z-210828T0845Z/
Missaukee MI-
430 AM EDT Sat Aug 28 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MISSAUKEE COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 4416 8461 4421 8465 4435 8473 4451 8389
4393 8389 4391 8391 4391 8404 4400 8405
4400 8417 4383 8417 4381 8460
TIME...MOT...LOC 0829Z 270DEG 40KT 4433 8446 4409 8434 4382 8450
$$
MIC011-051-129-143-280845-
/O.CON.KAPX.SV.W.0046.000000T0000Z-210828T0845Z/
Arenac MI-Gladwin MI-Ogemaw MI-Roscommon MI-
430 AM EDT Sat Aug 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM EDT
FOR WESTERN ARENAC...GLADWIN...OGEMAW AND SOUTHEASTERN ROSCOMMON
COUNTIES...
At 429 AM EDT, severe thunderstorms were located along a line
extending from near Lake St. Helen to near Hockaday to near
Beaverton, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Alger, Houghton Lake, Gladwin, West Branch, Standish, Sterling,
Prudenville, St. Helen, Maple Ridge, Beaverton, Rose City, Skidway
Lake, Hockaday, Rhodes, Rifle River State Park, Twin Lakes Area,
Roscommon County Airport, Wooden Shoe Village, Clear Lake and Lupton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.
&&
LAT...LON 4416 8461 4421 8465 4435 8473 4451 8389
4393 8389 4391 8391 4391 8404 4400 8405
4400 8417 4383 8417 4381 8460
TIME...MOT...LOC 0829Z 270DEG 40KT 4433 8446 4409 8434 4382 8450
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$The 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, 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, 4:52 PM EDT | Severe Thunderstorm Warning | APX | Alcona, Iosco | 56 min |
| 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.