Alert archive / Michigan / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 101, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Aug 29, 2021, 6:00 PM EDT for Huron County, Michigan. It was in force for 59 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 29, 2021, 6:00 PM EDT (22:00 UTC)
- Expired
- Aug 29, 2021, 6:59 PM EDT
- In force
- 59 min
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Huron County, MI
The radar
The Detroit radar (KDTX), 135 km from the middle of the area, began a volume at 22:00 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.
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
Detroit, MI (KDTX), launched 12:00Z, 10.0 hours before the alert went out and 132 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
- 1500 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 915 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -80 m²/s²
- 0-3 km storm-relative helicity
- -70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
991
WUUS53 KDTX 292200
SVRDTX
MIC063-292315-
/O.NEW.KDTX.SV.W.0101.210829T2200Z-210829T2315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Detroit/Pontiac MI
600 PM EDT Sun Aug 29 2021
The National Weather Service in Detroit/Pontiac has issued a
* Severe Thunderstorm Warning for...
Huron County in southeastern Michigan...
* Until 715 PM EDT.
* At 600 PM EDT, a severe thunderstorm was located near Owendale, or
8 miles north of Cass City, moving east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Bad Axe and Ubly around 615 PM EDT.
Harbor Beach around 645 PM EDT.
Other locations impacted by this severe thunderstorm include Ruth,
Redman, Filion, Parisville, Helena, White Rock, Ivanhoe, Rapson and
Verona.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4401 8273 4391 8266 4377 8260 4369 8260
4367 8333 4375 8336
TIME...MOT...LOC 2158Z 254DEG 32KT 4373 8318
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
KK5 follow-up statements
638
WWUS53 KDTX 292209
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
609 PM EDT Sun Aug 29 2021
MIC063-292315-
/O.CON.KDTX.SV.W.0101.000000T0000Z-210829T2315Z/
Huron MI-
609 PM EDT Sun Aug 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR SOUTHEASTERN HURON COUNTY...
At 608 PM EDT, a severe thunderstorm was located over Bad Axe, moving
northeast at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
This severe storm will be near...
Harbor Beach and Port Hope around 640 PM EDT.
Other locations impacted by this severe thunderstorm include Ruth,
Redman, Filion, Parisville, Helena, White Rock, Ivanhoe, Rapson and
Verona.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4401 8273 4391 8266 4377 8260 4369 8260
4367 8324 4382 8319
TIME...MOT...LOC 2208Z 245DEG 32KT 4376 8301
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Behnke472
WWUS53 KDTX 292221
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
621 PM EDT Sun Aug 29 2021
MIC063-292315-
/O.CON.KDTX.SV.W.0101.000000T0000Z-210829T2315Z/
Huron MI-
621 PM EDT Sun Aug 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR SOUTHEASTERN HURON COUNTY...
At 620 PM EDT, severe thunderstorms were located along a line
extending from near Port Hope to 6 miles east of Bad Axe to Ubly,
moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Port Hope around 630 PM EDT.
Harbor Beach around 635 PM EDT.
Other locations impacted by these severe thunderstorms include Ruth,
Redman, Filion, Parisville, Helena, White Rock, Ivanhoe, Rapson and
Verona.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4401 8273 4391 8266 4377 8260 4369 8260
4368 8312 4389 8303
TIME...MOT...LOC 2220Z 250DEG 35KT 4390 8281 4379 8286 4369 8292
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Behnke968
WWUS53 KDTX 292232
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
632 PM EDT Sun Aug 29 2021
MIC063-292315-
/O.CON.KDTX.SV.W.0101.000000T0000Z-210829T2315Z/
Huron MI-
632 PM EDT Sun Aug 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR EASTERN HURON COUNTY...
At 632 PM EDT, severe thunderstorms were located along a line
extending from Port Hope to near Harbor Beach to 7 miles east of
Ubly, moving east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Port Hope around 635 PM EDT.
Harbor Beach around 640 PM EDT.
Other locations impacted by these severe thunderstorms include Ruth,
Redman, Parisville, Helena, White Rock, Rapson and Verona.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4401 8273 4391 8266 4377 8260 4369 8260
4368 8299 4395 8288
TIME...MOT...LOC 2232Z 254DEG 32KT 4393 8268 4382 8273 4372 8279
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Behnke898
WWUS53 KDTX 292246
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
646 PM EDT Sun Aug 29 2021
MIC063-292315-
/O.CON.KDTX.SV.W.0101.000000T0000Z-210829T2315Z/
Huron MI-
646 PM EDT Sun Aug 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR SOUTHEASTERN HURON COUNTY...
At 646 PM EDT, severe thunderstorms were located along a line
extending from near Harbor Beach to 11 miles south of Port Hope to
near Forestville, moving northeast at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe thunderstorms will remain over mainly rural areas of
southeastern Huron County, including the following locations... Ruth,
White Rock, Parisville and Helena.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4368 8289 4393 8268 4391 8266 4377 8260
4369 8260
TIME...MOT...LOC 2246Z 246DEG 32KT 4389 8258 4378 8263 4368 8269
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Behnke849
WWUS53 KDTX 292259
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
659 PM EDT Sun Aug 29 2021
MIC063-292309-
/O.CAN.KDTX.SV.W.0101.000000T0000Z-210829T2315Z/
Huron MI-
659 PM EDT Sun Aug 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HURON COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
southeastern Michigan.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Detroit/Pontiac.
LAT...LON 4368 8289 4393 8268 4391 8266 4377 8260
4369 8260
TIME...MOT...LOC 2258Z 254DEG 32KT 4392 8243 4381 8248 4371 8254
$$
BehnkeThe office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 8:18 PM EDT | Special Weather Statement | DTX | Saginaw | 72 min |
| Aug 28, 8:22 PM EDT | Special Weather Statement | DTX | Saint Clair, Sanilac | 68 min |
| Aug 28, 10:00 PM EDT | Severe Thunderstorm Warning | DTX | Shiawassee | 20 min |
| Aug 28, 10:17 PM EDT | Special Weather Statement | DTX | Genesee | 28 min |
| Aug 29, 1:53 AM EDT | Special Weather Statement | DTX | Bay, Midland | 67 min |
| Aug 29, 2:16 AM EDT | Severe Thunderstorm Warning | DTX | Bay, Midland | 44 min |
| Aug 29, 2:32 AM EDT | Special Marine Warning | DTX | 42 min | |
| Aug 29, 3:40 PM EDT | Special Weather Statement | DTX | Bay, Midland | 65 min |
| Aug 29, 3:54 PM EDT | Special Marine Warning | DTX | 108 min | |
| Aug 29, 4:07 PM EDT | Special Weather Statement | DTX | Saginaw, Shiawassee | 83 min |
| Aug 29, 4:30 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw, Shiawassee | 75 min |
| Aug 29, 4:38 PM EDT | Special Weather Statement | DTX | Huron | 67 min |
| Aug 29, 4:58 PM EDT | Severe Thunderstorm Warning | DTX | Huron | 62 min |
| Aug 29, 5:11 PM EDT | Severe Thunderstorm Warning | DTX | Bay, Genesee, Tuscola | 79 min |
| Aug 29, 5:25 PM EDT | Severe Thunderstorm Warning | DTX | Livingston | 65 min |
| Aug 29, 5:32 PM EDT | Special Marine Warning | DTX | 118 min | |
| Aug 29, 5:56 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 64 min |
| Aug 29, 5:58 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 62 min |
| Aug 29, 6:13 PM EDT | Severe Thunderstorm Warning | DTX | Sanilac | 77 min |
| Aug 29, 6:37 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Saint Clair | 83 min |
| Aug 29, 6:45 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 75 min |
| Aug 29, 6:51 PM EDT | Special Marine Warning | DTX | 114 min | |
| Aug 29, 7:00 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw | 57 min |
| Aug 29, 7:23 PM EDT | Special Weather Statement | DTX | Monroe | 67 min |
| Aug 29, 7:29 PM EDT | Special Weather Statement | DTX | Wayne | 61 min |
| Aug 29, 7:30 PM EDT | Special Marine Warning | DTX | 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.