Alert archive / Michigan / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 96, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Aug 29, 2021, 4:58 PM EDT for Huron County, Michigan. It was in force for 62 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, 4:58 PM EDT (20:58 UTC)
- Expired
- Aug 29, 2021, 6:00 PM EDT
- In force
- 62 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), 142 km from the middle of the area, began a volume at 21:00 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 29, 5:10 PM EDT | TSTM WND DMG | 2 Ene Caseville, MI | TREES DOWN. TIME ESTIMATED FROM RADAR. |
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, 9.0 hours before the alert went out and 136 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.
717
WUUS53 KDTX 292058
SVRDTX
MIC063-292200-
/O.NEW.KDTX.SV.W.0096.210829T2058Z-210829T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Detroit/Pontiac MI
458 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 600 PM EDT.
* At 458 PM EDT, a severe thunderstorm was located near Pigeon, or 7
miles southwest of Caseville, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Caseville around 505 PM EDT.
Elkton around 510 PM EDT.
Bad Axe around 520 PM EDT.
Kinde around 525 PM EDT.
Port Hope around 540 PM EDT.
Other locations impacted by this severe thunderstorm include Redman,
Parisville, Huron City, White Rock, Ivanhoe, Rapson, Grindstone City,
Bay Port, Pinnebog and Ruth.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4401 8273 4389 8265 4377 8260 4369 8260
4367 8347 4390 8346 4398 8325 4402 8309
4407 8300 4407 8292
TIME...MOT...LOC 2058Z 255DEG 39KT 4385 8336
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
KK4 follow-up statements
736
WWUS53 KDTX 292113
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
513 PM EDT Sun Aug 29 2021
MIC063-292200-
/O.CON.KDTX.SV.W.0096.000000T0000Z-210829T2200Z/
Huron MI-
513 PM EDT Sun Aug 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR HURON COUNTY...
At 513 PM EDT, severe thunderstorms were located along a line
extending from 7 miles northeast of Caseville to Elkton, moving east
at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Bad Axe and Port Austin around 525 PM EDT.
Kinde around 530 PM EDT.
Harbor Beach and Port Hope around 550 PM EDT.
Other locations impacted by these severe thunderstorms include
Redman, Parisville, Huron City, White Rock, Ivanhoe, Rapson,
Grindstone City, Bay Port, Pinnebog and Ruth.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4401 8273 4389 8265 4377 8260 4369 8260
4367 8347 4390 8346 4398 8325 4402 8309
4407 8300 4407 8292
TIME...MOT...LOC 2113Z 250DEG 34KT 4401 8316 4390 8316 4379 8317
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Behnke346
WWUS53 KDTX 292122
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
522 PM EDT Sun Aug 29 2021
MIC063-292200-
/O.CON.KDTX.SV.W.0096.000000T0000Z-210829T2200Z/
Huron MI-
522 PM EDT Sun Aug 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR HURON COUNTY...
At 522 PM EDT, severe thunderstorms were located along a line
extending from near Port Austin to near Kinde to near Elkton, moving
east at 45 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 545 PM EDT.
Harbor Beach around 555 PM EDT.
Other locations impacted by these severe thunderstorms include
Redman, Parisville, Huron City, White Rock, Ivanhoe, Rapson,
Grindstone City, Bay Port, Pinnebog and Ruth.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4401 8273 4389 8265 4377 8260 4369 8260
4367 8347 4390 8346 4398 8325 4402 8309
4407 8300 4407 8292
TIME...MOT...LOC 2122Z 255DEG 38KT 4400 8297 4388 8305 4375 8312
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Behnke462
WWUS53 KDTX 292140
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
540 PM EDT Sun Aug 29 2021
MIC063-292200-
/O.CON.KDTX.SV.W.0096.000000T0000Z-210829T2200Z/
Huron MI-
540 PM EDT Sun Aug 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR HURON COUNTY...
At 539 PM EDT, severe thunderstorms were located along a line
extending from near Port Hope to near Bad Axe to near Sebewaing,
moving northeast at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Pigeon around 550 PM EDT.
Elkton around 600 PM EDT.
Bad Axe and Ubly around 610 PM EDT.
Harbor Beach and Port Hope around 630 PM EDT.
Other locations impacted by these severe thunderstorms include
Redman, Parisville, Huron City, White Rock, Ivanhoe, Rapson,
Grindstone City, Bay Port, Pinnebog and Ruth.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4401 8273 4391 8266 4377 8260 4369 8260
4367 8347 4390 8346 4398 8325 4402 8309
4407 8300 4407 8292
TIME...MOT...LOC 2139Z 245DEG 39KT 4399 8277 4383 8292 4368 8338
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Behnke908
WWUS53 KDTX 292154
SVSDTX
Severe Weather Statement
National Weather Service Detroit/Pontiac MI
554 PM EDT Sun Aug 29 2021
MIC063-292200-
/O.CON.KDTX.SV.W.0096.000000T0000Z-210829T2200Z/
Huron MI-
554 PM EDT Sun Aug 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR HURON COUNTY...
At 554 PM EDT, severe thunderstorms were located along a line
extending from near Port Hope to 8 miles west of Harbor Beach to
Gagetown, 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 600 PM EDT.
Harbor Beach around 610 PM EDT.
Bad Axe around 620 PM EDT.
Ubly around 625 PM EDT.
Other locations impacted by these severe thunderstorms include
Redman, Parisville, Huron City, White Rock, Ivanhoe, Rapson,
Grindstone City, Bay Port, Pinnebog and Ruth.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4401 8273 4391 8266 4377 8260 4369 8260
4367 8347 4390 8346 4398 8325 4402 8309
4407 8300 4407 8292
TIME...MOT...LOC 2154Z 258DEG 31KT 4397 8267 4381 8282 4366 8328
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
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, 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, 6:00 PM EDT | Severe Thunderstorm Warning | DTX | Huron | 59 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.