Alert archive / Michigan / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 62, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Aug 29, 2021, 3:01 PM EDT for 4 counties in Michigan. It was in force for 38 min. 1 report 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 29, 2021, 3:01 PM EDT (19:01 UTC)
- Expired
- Aug 29, 2021, 3:39 PM EDT
- In force
- 38 min
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Crawford County, MI, Missaukee County, MI, Oscoda County, MI, Roscommon County, MI
The radar
The NCL Michigan radar (KAPX), 44 km from the middle of the area, began a volume at 19:02 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 29, 3:05 PM EDT | TSTM WND DMG | Lovells, MI | REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN; SHINGLES BLOWN OFF. |
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 |
|---|---|---|---|
| Aug 29, 1:46 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Alpena, MI (KAPX), launched 12:00Z, 7.0 hours before the alert went out and 179 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
- 221 J/kg
- Mixed-layer CIN
- -108 J/kg
- Mixed-layer LCL
- 1035 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
The text
As transmitted.
060
WUUS53 KAPX 291901
SVRAPX
MIC039-113-135-143-292000-
/O.NEW.KAPX.SV.W.0062.210829T1901Z-210829T2000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
301 PM EDT Sun Aug 29 2021
The National Weather Service in Gaylord has issued a
* Severe Thunderstorm Warning for...
Crawford County in northern Michigan...
Northern Roscommon County in northern Michigan...
East central Missaukee County in northern Michigan...
Western Oscoda County in northern Michigan...
* Until 400 PM EDT.
* At 301 PM EDT, severe thunderstorms were located along a line
extending from near Grayling to near North Higgins Lake to 6 miles
north of Moddersville, moving northeast at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near...
Grayling and North Higgins Lake around 305 PM EDT.
Higgins Lake and Roscommon County Airport around 320 PM EDT.
Other locations in the path of these severe thunderstorms include
Lovells, South Higgins Lake, Roscommon, Garland, Lewiston, Red Oak,
South Branch Township and Luzerne.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4429 8500 4486 8461 4486 8414 4451 8430
4450 8437 4441 8437
TIME...MOT...LOC 1901Z 242DEG 42KT 4462 8478 4449 8483 4431 8497
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$2 follow-up statements
258
WWUS53 KAPX 291915
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
315 PM EDT Sun Aug 29 2021
MIC113-291925-
/O.CAN.KAPX.SV.W.0062.000000T0000Z-210829T2000Z/
Missaukee MI-
315 PM EDT Sun Aug 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MISSAUKEE COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 700 PM EDT for
northern Michigan.
LAT...LON 4432 8482 4453 8471 4471 8463 4486 8436
4486 8414 4451 8430 4450 8437 4441 8437
TIME...MOT...LOC 1915Z 242DEG 42KT 4468 8463 4455 8468 4437 8482
$$
MIC039-135-143-292000-
/O.CON.KAPX.SV.W.0062.000000T0000Z-210829T2000Z/
Crawford MI-Roscommon MI-Oscoda MI-
315 PM EDT Sun Aug 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR EASTERN CRAWFORD...NORTHERN ROSCOMMON AND WESTERN OSCODA
COUNTIES...
At 315 PM EDT, severe thunderstorms were located along a line
extending from near Grayling to near North Higgins Lake to near
Houghton Lake, moving northeast at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Roscommon, Lewiston, Garland, Red Oak, South Branch Township and
Luzerne.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4432 8482 4453 8471 4471 8463 4486 8436
4486 8414 4451 8430 4450 8437 4441 8437
TIME...MOT...LOC 1915Z 242DEG 42KT 4468 8463 4455 8468 4437 8482
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$776
WWUS53 KAPX 291939
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
339 PM EDT Sun Aug 29 2021
MIC039-135-143-291949-
/O.CAN.KAPX.SV.W.0062.000000T0000Z-210829T2000Z/
Crawford MI-Roscommon MI-Oscoda MI-
339 PM EDT Sun Aug 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CRAWFORD...NORTHERN
ROSCOMMON AND WESTERN OSCODA COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 700 PM EDT for
northern Michigan.
LAT...LON 4432 8482 4453 8471 4471 8463 4486 8436
4486 8414 4451 8430 4450 8437 4441 8437
TIME...MOT...LOC 1938Z 242DEG 42KT 4481 8429 4468 8434 4450 8448
$$The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 4:14 AM EDT | Special Weather Statement | APX | Emmet | 46 min |
| Aug 29, 5:53 AM EDT | Special Weather Statement | APX | Ogemaw | 22 min |
| Aug 29, 1:28 PM EDT | Special Marine Warning | APX | 47 min | |
| Aug 29, 1:30 PM EDT | Special Marine Warning | APX | 45 min | |
| Aug 29, 1:37 PM EDT | Severe Thunderstorm Warning | APX | Antrim, Charlevoix, Emmet, Grand Traverse, Leelanau | 38 min |
| Aug 29, 1:39 PM EDT | Severe Thunderstorm Warning | APX | Chippewa, Mackinac | 51 min |
| Aug 29, 1:58 PM EDT | Severe Thunderstorm Warning | APX | Cheboygan, Emmet | 47 min |
| Aug 29, 2:12 PM EDT | Severe Thunderstorm Warning | APX | Kalkaska, Missaukee, Wexford | 48 min |
| Aug 29, 2:17 PM EDT | Severe Thunderstorm Warning | APX | Antrim, Charlevoix, Cheboygan, Emmet, Otsego | 43 min |
| Aug 29, 2:28 PM EDT | Severe Thunderstorm Warning | APX | Antrim, Charlevoix, Kalkaska, Otsego | 32 min |
| Aug 29, 2:29 PM EDT | Special Marine Warning | APX | 91 min | |
| Aug 29, 2:55 PM EDT | Severe Thunderstorm Warning | APX | Cheboygan, Montmorency, Otsego, Presque Isle | 35 min |
| Aug 29, 3:22 PM EDT | Severe Thunderstorm Warning | APX | Alpena, Montmorency, Presque Isle | 53 min |
| Aug 29, 3:31 PM EDT | Special Marine Warning | APX | 89 min | |
| Aug 29, 3:36 PM EDT | Severe Thunderstorm Warning | APX | Ogemaw, Oscoda, Roscommon | 24 min |
| Aug 29, 5:00 PM EDT | Special Marine Warning | APX | 68 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.