Alert archive / Michigan / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 49, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Aug 28, 2021, 2:59 PM EDT for 4 counties in Michigan. It was in force for 46 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 28, 2021, 2:59 PM EDT (18:59 UTC)
- Expired
- Aug 28, 2021, 3:45 PM EDT
- In force
- 46 min
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Crawford County, MI, Ogemaw County, MI, Oscoda County, MI, Roscommon County, MI
The radar
The NCL Michigan radar (KAPX), 52 km from the middle of the area, began a volume at 19:00 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, 3:10 PM EDT | TSTM WND DMG | 1 Ssw Higgins Lake, MI | COUNTY DISPATCH REPORTS MULTIPLE TREES DOWN ACROSS ROSCOMMON COUNTY. |
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, 7.0 hours before the alert went out and 189 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.
284
WUUS53 KAPX 281859
SVRAPX
MIC039-129-135-143-281945-
/O.NEW.KAPX.SV.W.0049.210828T1859Z-210828T1945Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
259 PM EDT Sat Aug 28 2021
The National Weather Service in Gaylord has issued a
* Severe Thunderstorm Warning for...
Southeastern Crawford County in northern Michigan...
Northwestern Ogemaw County in northern Michigan...
Northern Roscommon County in northern Michigan...
Southwestern Oscoda County in northern Michigan...
* Until 345 PM EDT.
* At 258 PM EDT, a severe thunderstorm was located near Higgins Lake,
or 7 miles north of Houghton Lake, moving northeast 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.
* This severe thunderstorm will be near...
South Higgins Lake around 305 PM EDT.
Roscommon around 315 PM EDT.
Other locations in the path of this severe thunderstorm include South
Branch Township, Luzerne and Red Oak.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4433 8486 4446 8485 4478 8435 4445 8405
4429 8473
TIME...MOT...LOC 1858Z 239DEG 33KT 4441 8474
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Cornish4 follow-up statements
175
WWUS53 KAPX 281910
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
310 PM EDT Sat Aug 28 2021
MIC039-129-135-143-281945-
/O.CON.KAPX.SV.W.0049.000000T0000Z-210828T1945Z/
Crawford MI-Ogemaw MI-Roscommon MI-Oscoda MI-
310 PM EDT Sat Aug 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR SOUTHEASTERN CRAWFORD...NORTHWESTERN OGEMAW...NORTHERN ROSCOMMON
AND SOUTHWESTERN OSCODA COUNTIES...
At 310 PM EDT, a severe thunderstorm was located over South Higgins
Lake, or near Roscommon, moving northeast at 30 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Roscommon, South Branch Township, Luzerne and Red Oak.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4436 8479 4449 8477 4478 8435 4445 8405
4433 8464
TIME...MOT...LOC 1910Z 239DEG 28KT 4443 8468
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Cornish405
WWUS53 KAPX 281925
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
325 PM EDT Sat Aug 28 2021
MIC039-129-135-143-281945-
/O.CON.KAPX.SV.W.0049.000000T0000Z-210828T1945Z/
Crawford MI-Ogemaw MI-Roscommon MI-Oscoda MI-
325 PM EDT Sat Aug 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR SOUTHEASTERN CRAWFORD...NORTHWESTERN OGEMAW...NORTHEASTERN
ROSCOMMON AND SOUTHWESTERN OSCODA COUNTIES...
At 325 PM EDT, severe thunderstorms were located along a line
extending from near South Branch Township to near Roscommon County
Airport, moving northeast at 25 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Roscommon, Roscommon County Airport, Luzerne, Rose Township, South
Branch Township, Red Oak, North Higgins Lake, Clear Lake, South
Higgins Lake, Higgins Lake and Foster Township.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4438 8474 4452 8473 4478 8435 4445 8405
4434 8466
TIME...MOT...LOC 1925Z 240DEG 22KT 4457 8455 4437 8460
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Cornish637
WWUS53 KAPX 281934
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
334 PM EDT Sat Aug 28 2021
MIC039-129-135-143-281945-
/O.CON.KAPX.SV.W.0049.000000T0000Z-210828T1945Z/
Crawford MI-Ogemaw MI-Roscommon MI-Oscoda MI-
334 PM EDT Sat Aug 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR SOUTHEASTERN CRAWFORD...NORTHWESTERN OGEMAW...NORTHEASTERN
ROSCOMMON AND SOUTHWESTERN OSCODA COUNTIES...
At 333 PM EDT, severe thunderstorms were located along a line
extending from near South Branch Township to near Lake St. Helen,
moving northeast at 35 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Clear Lake, Luzerne, Rose Township, South Branch Township, Red Oak
and Foster Township.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4442 8469 4447 8454 4465 8453 4478 8435
4445 8405 4434 8466
TIME...MOT...LOC 1933Z 233DEG 30KT 4463 8444 4443 8449
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Cornish999
WWUS53 KAPX 281940
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
340 PM EDT Sat Aug 28 2021
MIC039-129-135-143-281949-
/O.EXP.KAPX.SV.W.0049.000000T0000Z-210828T1945Z/
Crawford MI-Ogemaw MI-Roscommon MI-Oscoda MI-
340 PM EDT Sat Aug 28 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CRAWFORD...
NORTHWESTERN OGEMAW...NORTHEASTERN ROSCOMMON AND SOUTHWESTERN OSCODA
COUNTIES WILL EXPIRE AT 345 PM EDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However small hail
and gusty winds are still possible with these thunderstorms.
LAT...LON 4442 8469 4447 8454 4465 8453 4478 8435
4445 8405 4434 8466
TIME...MOT...LOC 1939Z 270DEG 33KT 4465 8438 4445 8443
$$
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, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.