Alert archive / Michigan / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 85, NWS Gaylord, MI
NWS Gaylord, MI issued this severe thunderstorm warning at Sep 14, 2021, 9:34 AM EDT for Cheboygan County, Otsego County, Michigan. It was in force for 26 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
- Sep 14, 2021, 9:34 AM EDT (13:34 UTC)
- Expired
- Sep 14, 2021, 10:00 AM EDT
- In force
- 26 min
- Issued by
- NWS Gaylord, MI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Cheboygan County, MI, Otsego County, MI
The radar
The NCL Michigan radar (KAPX), 45 km from the middle of the area, began a volume at 13:35 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
Alpena, MI (KAPX), launched 12:00Z, 1.6 hours before the alert went out and 155 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
- 109 J/kg
- Mixed-layer CIN
- -136 J/kg
- Mixed-layer LCL
- 715 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 279 m²/s²
- 0-3 km storm-relative helicity
- 288 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted.
238
WUUS53 KAPX 141334
SVRAPX
MIC031-137-141400-
/O.NEW.KAPX.SV.W.0085.210914T1334Z-210914T1400Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Gaylord MI
934 AM EDT Tue Sep 14 2021
The National Weather Service in Gaylord has issued a
* Severe Thunderstorm Warning for...
Southeastern Cheboygan County in northern Michigan...
Northeastern Otsego County in northern Michigan...
* Until 1000 AM EDT.
* At 933 AM EDT, a severe thunderstorm was located over Pickerel
Lake, or 15 miles northeast of Gaylord, moving northeast at 50 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 remain over mainly rural areas of
southeastern Cheboygan and northeastern Otsego Counties, including
the following locations... Pigeon River State Forest.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4520 8429 4520 8437 4517 8437 4514 8449
4524 8462 4537 8434 4531 8425 4521 8425
TIME...MOT...LOC 1333Z 240DEG 46KT 4521 8449
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$2 follow-up statements
070
WWUS53 KAPX 141341
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
941 AM EDT Tue Sep 14 2021
MIC137-141351-
/O.CAN.KAPX.SV.W.0085.000000T0000Z-210914T1400Z/
Otsego MI-
941 AM EDT Tue Sep 14 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN OTSEGO COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4520 8429 4520 8445 4528 8442 4537 8434
4531 8425 4521 8425
TIME...MOT...LOC 1341Z 270DEG 46KT 4524 8435
$$
MIC031-141400-
/O.CON.KAPX.SV.W.0085.000000T0000Z-210914T1400Z/
Cheboygan MI-
941 AM EDT Tue Sep 14 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 AM EDT
FOR SOUTHEASTERN CHEBOYGAN COUNTY...
At 941 AM EDT, a severe thunderstorm was located near Allis Township,
or 9 miles southwest of Onaway, moving east at 55 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...
Pigeon River State Forest.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4520 8429 4520 8445 4528 8442 4537 8434
4531 8425 4521 8425
TIME...MOT...LOC 1341Z 270DEG 46KT 4524 8435
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$065
WWUS53 KAPX 141350
SVSAPX
Severe Weather Statement
National Weather Service Gaylord MI
950 AM EDT Tue Sep 14 2021
MIC031-141400-
/O.EXP.KAPX.SV.W.0085.000000T0000Z-210914T1400Z/
Cheboygan MI-
950 AM EDT Tue Sep 14 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHEBOYGAN COUNTY
WILL EXPIRE AT 1000 AM EDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
LAT...LON 4520 8429 4520 8445 4528 8442 4537 8434
4531 8425 4521 8425
TIME...MOT...LOC 1350Z 240DEG 46KT 4529 8422
$$The office that day
Everything else NWS Gaylord, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 14, 3:00 AM EDT | Beach Hazards Statement | APX | Alpena, Benzie, Charlevoix, Cheboygan, Chippewa, Emmet and 4 more | 21 hr |
| Sep 14, 5:51 AM EDT | Special Marine Warning | APX | 84 min | |
| Sep 14, 8:00 AM EDT | Special Marine Warning | APX | 60 min | |
| Sep 14, 8:14 AM EDT | Special Marine Warning | APX | 31 min | |
| Sep 14, 8:41 AM EDT | Special Weather Statement | APX | Antrim, Cheboygan, Emmet, Otsego | 64 min |
| Sep 14, 8:50 AM EDT | Special Marine Warning | APX | 55 min | |
| Sep 14, 9:09 AM EDT | Special Weather Statement | APX | 51 min | |
| Sep 14, 9:22 AM EDT | Severe Thunderstorm Warning | APX | Cheboygan, Presque Isle | 23 min |
| Sep 14, 9:40 AM EDT | Special Marine Warning | APX | 81 min | |
| Sep 14, 3:58 PM EDT | Special Marine Warning | APX | 62 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.