Alert archive / Michigan / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 57, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Aug 29, 2021, 1:58 PM EDT for Cheboygan County, Emmet County, Michigan. It was in force for 47 min. 3 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 29, 2021, 1:58 PM EDT (17:58 UTC)
- Expired
- Aug 29, 2021, 2:45 PM EDT
- In force
- 47 min
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Cheboygan County, MI, Emmet County, MI
The radar
The NCL Michigan radar (KAPX), 75 km from the middle of the area, began a volume at 17:58 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, 2:15 PM EDT | TSTM WND GST 55 | 3 Wnw Conway, MI | AWOS STATION KMGN HARBOR SPRINGS - MUNICIPAL ARPT. |
| Aug 29, 2:15 PM EDT | NON-TSTM WND GST 55 | 3 Wnw Conway, MI | AWOS STATION KMGN HARBOR SPRINGS - MUNICIPAL ARPT. |
| Aug 29, 2:45 PM EDT | TSTM WND DMG | Harbor Springs, MI | TREES DOWN. |
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, 6.0 hours before the alert went out and 171 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.
942
WUUS53 KAPX 291758
SVRAPX
MIC031-047-291845-
/O.NEW.KAPX.SV.W.0057.210829T1758Z-210829T1845Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
158 PM EDT Sun Aug 29 2021
The National Weather Service in Gaylord has issued a
* Severe Thunderstorm Warning for...
Cheboygan County in northern Michigan...
Eastern Emmet County in northern Michigan...
* Until 245 PM EDT.
* At 158 PM EDT, severe thunderstorms were located along a line
extending from near Levering to near Pleasant View to near
Bayshore, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near...
Carp Lake and Levering around 205 PM EDT.
Pellston and Brutus around 210 PM EDT.
Other locations in the path of these severe thunderstorms include
Cheboygan, Reasoners Corner, Alanson, Burt Lake, Mullet Lake, Burt
Lake State Park, Indian River, Topinabee, Alverno, Cheboygan State
Park, Aloha, Aloha State Park, Nine Mile Point and Koehler Township.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4561 8418 4562 8420 4562 8425 4554 8425
4527 8449 4529 8489 4542 8479 4541 8503
4568 8486 4574 8455 4569 8443 4569 8437
4566 8419
TIME...MOT...LOC 1758Z 250DEG 36KT 4564 8483 4548 8494 4533 8510
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$1 follow-up statement
325
WWUS53 KAPX 291820
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
220 PM EDT Sun Aug 29 2021
MIC031-047-291845-
/O.CON.KAPX.SV.W.0057.000000T0000Z-210829T1845Z/
Cheboygan MI-Emmet MI-
220 PM EDT Sun Aug 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR CHEBOYGAN AND SOUTHEASTERN EMMET COUNTIES...
At 220 PM EDT, severe thunderstorms were located along a line
extending from near Cheboygan to near Brutus to Reasoners Corner,
moving east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Cheboygan, Cheboygan State Park, Mullet Lake, Aloha, Aloha State
Park, Alverno, Afton, Koehler Township and Nine Mile Point.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4562 8425 4554 8425 4527 8449 4529 8484
4538 8482 4541 8479 4542 8482 4555 8480
4574 8458 4574 8455 4569 8443 4569 8436
4566 8419 4562 8418
TIME...MOT...LOC 1820Z 254DEG 30KT 4569 8450 4554 8469 4534 8476
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 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, 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, 3:01 PM EDT | Severe Thunderstorm Warning | APX | Crawford, Missaukee, Oscoda, Roscommon | 38 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.