Alert archive / Michigan / Special Weather Statements in 2021
Special Weather Statement, NWS Detroit, MI
NWS Detroit, MI issued this special weather statement at Jun 19, 2021, 4:23 PM EDT for Oakland County, Michigan. It was in force for 52 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 19, 2021, 4:23 PM EDT (20:23 UTC)
- Expired
- Jun 19, 2021, 5:15 PM EDT
- In force
- 52 min
- Issued by
- NWS Detroit, MI
County Oakland County, MI
The radar
The Detroit radar (KDTX), 16 km from the middle of the area, began a volume at 20:27 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, 8.4 hours before the alert went out and 18 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2433 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 133 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 19, 3:26 PM EDT, 57 minutes earlier.
Area forecast discussion, Jun 19, 3:26 PM EDT, 57 minutes before
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</html>Hazardous weather outlook, Jun 19, 4:02 PM EDT, 21 minutes before
Hazardous Weather Outlook National Weather Service Detroit/Pontiac MI 402 PM EDT Sat Jun 19 2021 MIZ047>049-053>055-060>063-068>070-075-076-082-083-201100- Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer- St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe- 402 PM EDT Sat Jun 19 2021 This hazardous weather outlook is for southeast Michigan. .DAY ONE...This Afternoon and Tonight An isolated marginally severe thunderstorm producing a wind gust to 60 mph remains possible along and south of M-59 for another couple of hours before activity dissipates by sunset. Storm motion will be southeast at 35 mph. .DAYS TWO THROUGH SEVEN...Sunday through Friday Severe thunderstorms are possible Sunday evening (after 7 PM) and/or Sunday night as a warm front lifts into the area during the evening, and strong cold front pushes through late Sunday night. Damaging winds of 60-70 MPH will be the main hazard, with the best chance south of I-69. Isolated tornadoes, flooding rain, and large hail will be the secondary hazards. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today and tonight. LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-201100- 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- 402 PM EDT Sat Jun 19 2021 This hazardous weather outlook is for portions of Lake Erie, Lake Huron and Lake St Clair. .DAY ONE...This Afternoon and Tonight An isolated marginally severe thunderstorm producing a wind gust to 50 knots remains possible over Lake St. Clair and Lake Erie for another couple of hours before activity dissipates by sunset. Storm motion will be southeast at 35 knots. .DAYS TWO THROUGH SEVEN...Sunday through Friday Severe thunderstorms are possible Sunday evening (after 7 PM) and/or Sunday night as a warm front lifts into the area during the evening, and strong cold front pushes through late Sunday night. Wind gusts of 50 knots or greater will be the main hazard. Winds will be strong behind the front on Monday as well, with gusts at least to 30 knots over Lake Huron. .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, Jun 19, 10:36 AM EDT, 5 hours 47 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 19, 9:47 AM EDT | Special Weather Statement | DTX | Lenawee | 58 min |
| Jun 19, 10:36 AM EDT | Special Weather Statement | DTX | Monroe | 54 min |
| Jun 19, 3:10 PM EDT | Special Weather Statement | DTX | Shiawassee | 35 min |
| Jun 19, 3:38 PM EDT | Special Weather Statement | DTX | Livingston | 52 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.