Alert archive / Michigan / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 61, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Aug 24, 2020, 2:54 PM EDT for Wayne 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 counties it named.
The facts
- Issued
- Aug 24, 2020, 2:54 PM EDT (18:54 UTC)
- Expired
- Aug 24, 2020, 3:32 PM EDT
- In force
- 38 min
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Wayne County, MI
The radar
The Detroit radar (KDTX), 49 km from the middle of the area, began a volume at 18:58 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, 6.9 hours before the alert went out and 50 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
- 207 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 1211 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- -8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Aug 24, 1:21 PM EDT, 1 hour 33 minutes earlier.
Area forecast discussion, Aug 24, 1:21 PM EDT, 1 hour 33 minutes before
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</html>Hazardous weather outlook, Aug 24, 3:51 AM EDT, 11 hours 3 minutes before
Hazardous Weather Outlook National Weather Service Detroit/Pontiac MI 351 AM EDT Mon Aug 24 2020 MIZ047>049-053>055-060>063-068>070-075-076-082-083-250800- Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer- St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe- 351 AM EDT Mon Aug 24 2020 This hazardous weather outlook is for portions of southeast Michigan. .DAY ONE...Today and Tonight There is a chance of thunderstorms this afternoon and evening. Widespread severe weather is not expected, but isolated storms will be capable of producing wind gusts up to 60 mph. Storms will move from northwest to southeast around 20 mph. Potential exists for thunderstorms that develop across the upper Mississippi valley this evening will lift into lower Michigan early Tuesday morning. Confidence in thunderstorms reaching southeast Michigan remains low. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday An unsettled pattern will periodically bring the chance of thunderstorms Tuesday through Friday. At this time, there is the potential for strong to severe thunderstorms to develop both Tuesday and Wednesday, particularly during the afternoon and evening hours. The primary threat will be wind gusts up to 60 mph. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today and tonight. LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-250800- 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- 351 AM EDT Mon Aug 24 2020 This hazardous weather outlook is for portions of Lake Erie, Lake Huron and Lake St Clair. .DAY ONE...Today and Tonight There is a chance of thunderstorms this afternoon and evening. Widespread severe weather is not expected, but isolated storms will be capable of producing wind gusts up to 50 knots. Storms will move from northwest to southeast around 15 knots. Potential exists for thunderstorms that develop across the upper Mississippi valley this evening will lift into lower Michigan early Tuesday morning. Confidence in thunderstorms reaching southeast Michigan remains low. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday An unsettled pattern will periodically bring the chance of thunderstorms Tuesday through Friday. At this time, there is the potential for strong to severe thunderstorms to develop both Tuesday and Wednesday, particularly during the afternoon and evening hours. The primary threat will be wind gusts up to 50 knots. .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. MR
The office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 3:02 PM EDT | Special Marine Warning | DTX | 48 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2020Every severe thunderstorm warning in 2020
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.