Marine Thunderstorm Wind, Detroit River
- When
- September 13, 3:19 PM EST
- Where
- Detroit River forecast zone, 5.55 mi S of Grosse Ile
- Measured
- 39 kt (45 mph) measured gust
- Reported by
- ASOS
- Coordinates
- 42.100, -83.160
Marine Thunderstorm Winds in Lake St. Clair, September 13, 2019
Thunderstorms moving through Lake St. Clair and the Detroit River produced wind gusts in excess of 35 knots.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 3
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What happened
The episode as NWS DTX wrote it up.
Thunderstorms moving through Lake St. Clair and the Detroit River produced wind gusts in excess of 35 knots.
What forecasters said that day
The local office's own words before the first event, 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 the first event at Sep 13, 2:47 PM EST, 32 minutes earlier.
Area forecast discussion, Sep 13, 2:47 PM EST, 32 minutes before
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</html>Hazardous weather outlook, Sep 13, 10:35 AM EST, 4 hours 44 minutes before
Hazardous Weather Outlook...CORRECTED National Weather Service Detroit/Pontiac MI 1135 AM EDT Fri Sep 13 2019 MIZ047>049-053>055-060>063-068>070-075-076-082-083-140915- Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer- St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe- 1135 AM EDT Fri Sep 13 2019 This hazardous weather outlook is for portions of southeast Michigan. .DAY ONE...This afternoon and Tonight There is a slight risk for severe thunderstorms later this afternoon into early this evening. The most likely time window for this severe weather continues to focus between 3 and 7 PM EDT. The main threats will be damaging wind gusts to 60 mph and large hail. The potential also exists for isolated tornado development. Thunderstorm movement is expected to be to the northeast at near 50 mph. .DAYS TWO THROUGH SEVEN...Saturday through Thursday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Dispatchers...Please notify your emergency manager immediately. Spotter activation may be needed late this afternoon. LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-140915- 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- 1135 AM EDT Fri Sep 13 2019 This hazardous weather outlook is for portions of Lake Erie, Lake Huron and Lake St Clair. .DAY ONE...This afternoon and Tonight Small Craft Advisories remain in effect for Saginaw Bay and the nearshore waters from Port Austin to Port Sanilac through this evening. There is a slight risk for severe thunderstorms later this afternoon into early this evening. The most likely time window for this severe weather continues to focus between 3 and 7 PM EDT. The main threats will be wind gusts to 50 knots and large hail. The potential also exists for isolated tornado development. Thunderstorm movement is expected to be to the northeast at near 45 knots. .DAYS TWO THROUGH SEVEN...Saturday through Thursday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Dispatchers...Please notify your emergency manager immediately. Spotter activation may be needed late this afternoon. You can obtain your latest National Weather Service forecasts online at www.weather.gov/detroit. CB/DG
In the hours before
Special weather statement, Sep 13, 2:20 PM EST, 59 minutes before
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</html>Local storm report, Sep 13, 2:41 PM EST, 38 minutes before
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</html>Local storm report, Sep 13, 2:43 PM EST, 36 minutes before
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</html>Local storm report, Sep 13, 2:48 PM EST, 31 minutes before
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</html>Local storm report, Sep 13, 2:54 PM EST, 25 minutes before
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</html>Special weather statement, Sep 13, 3:06 PM EST, 13 minutes before
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</html>The radar
The Detroit radar (KDTX), 71 km away, was scanning. The volume nearest the first event began at 20:19 UTC.
Event by event
3 marine thunderstorm wind. Local standard time, as filed.
Marine Thunderstorm Wind, Lake St Clair (U.S. Portion)
- When
- September 13, 4:15 PM EST
- Where
- Lake St Clair (U.S. Portion) forecast zone, 2.81 mi S of St Clair Shores
- Measured
- 34 kt (39 mph) measured gust
- Reported by
- C-MAN Station
- Coordinates
- 42.430, -82.870
Marine Thunderstorm Wind, Lake St Clair (U.S. Portion)
- When
- September 13, 4:34 PM EST
- Where
- Lake St Clair (U.S. Portion) forecast zone, 0.69 mi S of Metropolitan Beach
- Measured
- 38 kt (44 mph) measured gust
- Reported by
- C-MAN Station
- Coordinates
- 42.570, -82.800
What these are
- Marine Thunderstorm Wind
- Thunderstorm winds of 34 knots or more over coastal or lake waters.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Heat in Arizona, September 13 to 14, 2019
- Damaging Winds in Ohio, September 13, 2019
- Damaging Winds in Pennsylvania, September 13, 2019
- Hail and Damaging Winds in Michigan, September 13, 2019
- Hail and Damaging Winds in South Carolina, September 13, 2019
- Flash Flooding and Heavy Rain in Hawaii, September 13 to 16, 2019
- Excessive Heat and Wildfire in California, September 13 to 17, 2019
- Damaging Winds in Ohio, September 13, 2019
- Marine Thunderstorm Winds in Gulf of Mexico, September 13, 2019
- Damaging Winds in New York, September 13 to 14, 2019
- Hail and Damaging Wind in North Carolina, September 13, 2019
- Marine Thunderstorm Winds in South Atlantic Coastal Waters, September 13, 2019
More
Every storm in Lake St. Clair in 2019Every state in 2019This day in weather history
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 856095, 856096, 856097.