Alert archive / Michigan / Special Weather Statements in 2021
Special Weather Statement, NWS Detroit, MI
NWS Detroit, MI issued this special weather statement at Jul 8, 2021, 5:37 AM EDT for Oakland County, Michigan. It was in force for 38 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
- Jul 8, 2021, 5:37 AM EDT (09:37 UTC)
- Expired
- Jul 8, 2021, 6:15 AM EDT
- In force
- 38 min
- Issued by
- NWS Detroit, MI
County Oakland County, MI
The radar
The Detroit radar (KDTX), 26 km from the middle of the area, began a volume at 09:36 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
Detroit, MI (KDTX), launched 00:00Z, 9.6 hours before the alert went out and 27 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
- 594 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 787 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Detroit, MI wrote its last area forecast discussion before this special weather statement went out at Jul 8, 3:30 AM EDT, 2 hours 7 minutes earlier.
Area forecast discussion, Jul 8, 3:30 AM EDT, 2 hours 7 minutes before
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<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
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If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>Hazardous weather outlook, Jul 8, 4:03 AM EDT, 1 hour 34 minutes before
Hazardous Weather Outlook National Weather Service Detroit/Pontiac MI 403 AM EDT Thu Jul 8 2021 MIZ047>049-053>055-060>063-068>070-075-076-082-083-090945- Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer- St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe- 403 AM EDT Thu Jul 8 2021 This hazardous weather outlook is for southeast Michigan. .DAY ONE...Today and Tonight Isolated to scattered thunderstorms will be around today. A storm or two could become marginally severe east of U.S. 23 between 11 am - 5 PM, producing damaging wind gusts to 60 MPH. In addition, isolated stronger thunderstorms will have to potential to drop a quick inch of rain, but just localized minor urban/low lying flooding is expected. Storm motion looks to be east at 30 mph. .DAYS TWO THROUGH SEVEN...Friday through Wednesday A chance of thunderstorms returns Sunday evening into early next week. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today and tonight. LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-090945- Lake St Clair- Michigan Waters of Lake Erie from Detroit River to North Cape MI- Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore- Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore- Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI- Port Sanilac to Port Huron MI- Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore- Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore- Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore- 403 AM EDT Thu Jul 8 2021 This hazardous weather outlook is for portions of Lake Erie, Lake Huron and Lake St Clair. .DAY ONE...Today and Tonight Isolated to scattered thunderstorms will be around today. A storm or two could become marginally severe over Lake St. Clair and Lake Erie between 11 am - 5 PM, producing winds gusts to 50 knots. Storm motion looks to be east at 25 knots. .DAYS TWO THROUGH SEVEN...Friday through Wednesday A chance of thunderstorms returns Sunday evening into early next week. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today and tonight. You can obtain your latest National Weather Service forecasts online at www.weather.gov/detroit. SF
In the hours before
Special weather statement, Jul 8, 3:13 AM EDT, 2 hours 24 minutes before
Special Weather Statement
National Weather Service Detroit/Pontiac MI
313 AM EDT Thu Jul 8 2021
MIZ060-080800-
Shiawassee-
313 AM EDT Thu Jul 8 2021
...AREA OF THUNDERSTORMS WILL AFFECT SHIAWASSEE COUNTY THROUGH 4
AM...
At 311 AM EDT, thunderstorms were located over Laingsburg, moving
northeast at 30 mph.
Winds in excess of 30 mph are possible. In addition, a brief period
of heavy rainfall will occur.
This storm will be near...
Perry and Morrice around 320 AM EDT.
Owosso around 330 AM EDT.
Corunna and Bancroft around 335 AM EDT.
Durand around 345 AM EDT.
New Lothrop and Lennon around 355 AM EDT.
Other locations impacted by this storm include Juddville, Bennington,
Shaftsburg and Vernon.
If outdoors, consider seeking shelter inside a building.
LAT...LON 4300 8436 4312 8393 4289 8393 4277 8428
4277 8436 4279 8437 4280 8436
TIME...MOT...LOC 0711Z 245DEG 26KT 4288 8433
MRSpecial weather statement, Jul 8, 4:46 AM EDT, 51 minutes before
Special Weather Statement National Weather Service Detroit/Pontiac MI 446 AM EDT Thu Jul 8 2021 MIZ075-080930- Washtenaw- 446 AM EDT Thu Jul 8 2021 ...A STRONG THUNDERSTORM WILL AFFECT NORTH CENTRAL WASHTENAW COUNTY... At 446 AM EDT, a strong thunderstorm was located over Dexter, moving northeast at 25 mph. Winds in excess of 30 mph and pea size hail are possible with this storm. This storm will be near... Whitmore Lake around 510 AM EDT. Other locations impacted by this storm include Delhi Mills, Hudson Mills Metropark and Barton Hills. Torrential rainfall is also occurring with this storm, and may cause localized flooding. Do not drive your vehicle through flooded roadways. LAT...LON 4243 8377 4243 8359 4225 8389 4233 8397 TIME...MOT...LOC 0846Z 231DEG 24KT 4233 8384 MR
Special weather statement, Jul 8, 5:37 AM EDT, 0 minutes before
Special Weather Statement
National Weather Service Detroit/Pontiac MI
537 AM EDT Thu Jul 8 2021
MIZ069-076-081015-
Oakland-Wayne-
537 AM EDT Thu Jul 8 2021
...AN AREA OF THUNDERSTORMS WILL AFFECT NORTHWESTERN WAYNE AND
SOUTHEASTERN OAKLAND COUNTIES THROUGH 615 AM...
At 535 AM EDT, thunderstorms were clustered from near West
Bloomfield to near Northville moving northeast at 30 mph.
Winds in excess of 30 mph and pea size hail are possible with these
storms.
This storm will be near...
Pontiac and Birmingham around 545 AM EDT.
Royal Oak around 550 AM EDT.
Troy around 555 AM EDT.
Rochester around 605 AM EDT.
Other locations impacted by this storm include Rochester Hills,
Franklin, Plymouth, Clawson, Berkley, Lathrup Village, Bingham Farms,
Farmington Hills, Bloomfield Hills and Beverly Hills.
Heavy rainfall is also occurring with these storms, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.
LAT...LON 4233 8354 4247 8354 4251 8345 4272 8310
4251 8309
TIME...MOT...LOC 0935Z 248DEG 25KT 4256 8331
MRThe office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 9:10 PM EDT | Special Marine Warning | DTX | 35 min | |
| Jul 7, 9:21 PM EDT | Special Weather Statement | DTX | Huron | 39 min |
| Jul 8, 3:13 AM EDT | Special Weather Statement | DTX | Shiawassee | 47 min |
| Jul 8, 4:46 AM EDT | Special Weather Statement | DTX | Washtenaw | 44 min |
| Jul 8, 8:43 AM EDT | Special Weather Statement | DTX | Livingston | 47 min |
| Jul 8, 2:59 PM EDT | Special Weather Statement | DTX | Wayne | 46 min |
| Jul 8, 3:13 PM EDT | Special Weather Statement | DTX | Monroe | 62 min |
| Jul 8, 3:29 PM EDT | Special Weather Statement | DTX | Oakland | 76 min |
| Jul 8, 3:56 PM EDT | Special Marine Warning | DTX | 34 min | |
| Jul 8, 4:34 PM EDT | Special Weather Statement | DTX | Wayne | 26 min |
| Jul 8, 4:44 PM EDT | Severe Thunderstorm Warning | DTX | Macomb, Wayne | 31 min |
| Jul 8, 4:46 PM EDT | Special Marine Warning | DTX | 59 min | |
| Jul 8, 5:08 PM EDT | Special Weather Statement | DTX | Wayne | 37 min |
| Jul 8, 6:53 PM EDT | Areal Flood Advisory | DTX | Wayne | 112 min |
Nearby
Special Weather Statements in Michigan, 2021Every special weather statement 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.