Alert archive / Michigan / Special Weather Statements in 2021
Special Weather Statement, NWS Detroit, MI
NWS Detroit, MI issued this special weather statement at Jun 25, 2021, 5:52 PM EDT for Macomb 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
- Jun 25, 2021, 5:52 PM EDT (21:52 UTC)
- Expired
- Jun 25, 2021, 6:30 PM EDT
- In force
- 38 min
- Issued by
- NWS Detroit, MI
County Macomb County, MI
The radar
The Detroit radar (KDTX), 46 km from the middle of the area, began a volume at 21:56 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 12:00Z, 9.9 hours before the alert went out and 43 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
- 70 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 871 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 221 m²/s²
- 0-3 km storm-relative helicity
- 224 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Jun 25, 4:16 PM EDT, 1 hour 36 minutes earlier.
Area forecast discussion, Jun 25, 4:16 PM EDT, 1 hour 36 minutes before
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</html>Hazardous weather outlook, Jun 25, 4:37 AM EDT, 13 hours 15 minutes before
Hazardous Weather Outlook National Weather Service Detroit/Pontiac MI 437 AM EDT Fri Jun 25 2021 MIZ047>049-053>055-060>063-068>070-075-076-082-083-260900- Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer- St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe- 437 AM EDT Fri Jun 25 2021 This hazardous weather outlook is for portions of southeast Michigan. .DAY ONE...Today and Tonight There is a marginal risk of severe weather today. Best chance will be generally along and south of a line from Flint to Port Huron. Wind gusts to 60 mph will be the main threat although an isolated tornado will also be possible. Storm motion will be northeast around 40 mph. Several rounds of showers and thunderstorms may lead to flooding concerns across the region. Please see the hydrology section of the forecast for details on rain and flooding potential. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Active period of weather continues Saturday and possibly into early next week, characterized by periods of heavy rainfall with some thunderstorm activity. The main threat for thunderstorm activity will be torrential rainfall and training, which could lead to localized flooding concerns. Additionally, there is a marginal risk for severe weather on Saturday, with isolated damaging wind gusts to 60 mph being the main concern. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated. LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-260900- 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- 437 AM EDT Fri Jun 25 2021 This hazardous weather outlook is for portions of Lake Erie, Lake Huron and Lake St Clair. .DAY ONE...Today and Tonight There is a marginal risk of severe weather today. Best chance will be generally along and south of a line from Flint to Port Huron. Wind gusts to 50 knots will be the main threat although an isolated water spout will also be possible. Storm motion will be northeast around 35 knots. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Active period of weather continues Saturday and possibly into early next week, characterized by periods of heavy rainfall with some thunderstorm activity. There is a marginal risk for severe weather on Saturday, with isolated damaging wind gusts to 50 knots being the main concern. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated. You can obtain your latest National Weather Service forecasts online at www.weather.gov/detroit. DRK
In the hours before
Special weather statement, Jun 25, 5:12 PM EDT, 40 minutes before
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</html>Local storm report, Jun 25, 5:25 PM EDT, 27 minutes before
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</html>Special weather statement, Jun 25, 5:52 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 9:09 AM EDT | Small Craft Advisory | DTX | 13 hr | |
| Jun 25, 5:12 PM EDT | Special Weather Statement | DTX | Macomb, Oakland, Washtenaw, Wayne | 78 min |
| Jun 25, 5:46 PM EDT | Special Weather Statement | DTX | Lenawee, Monroe | 74 min |
| Jun 25, 6:24 PM EDT | Areal Flood Advisory | DTX | Macomb, Oakland, Washtenaw, Wayne | 3 hr |
| Jun 25, 6:33 PM EDT | Special Weather Statement | DTX | Macomb, Oakland, Washtenaw, Wayne | 87 min |
| Jun 25, 7:36 PM EDT | Special Marine Warning | DTX | 54 min | |
| Jun 25, 7:47 PM EDT | Special Weather Statement | DTX | Saint Clair | 73 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.