A thunderstorm which produced wind gusts in excess of 50 knots moved over the St. Clair River.
Every event with a place to put it. Tap one for its entry below.
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.
The episode as NWS DTX wrote it up.
A thunderstorm which produced wind gusts in excess of 50 knots moved over the St. Clair River.
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 Aug 27, 12:53 PM EST, 1 hour 2 minutes earlier.
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</html>Hazardous Weather Outlook National Weather Service Detroit/Pontiac MI 431 AM EDT Thu Aug 27 2020 MIZ047>049-053>055-060>063-068>070-075-076-082-083-280845- Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer- St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe- 431 AM EDT Thu Aug 27 2020 This hazardous weather outlook is for portions of southeast Michigan. .DAY ONE...Today and Tonight There is a chance of thunderstorms during the afternoon and evening with isolated to widely scattered severe storms possible. Damaging wind gusts around 60 mph will be the main hazard with hail around 1 inch also possible. Storm motion will be northwest to southeast at 40 mph. .DAYS TWO THROUGH SEVEN...Friday through Wednesday An unsettled pattern keeps a chance of thunderstorms in the forecast through Friday into Friday night. Some storms may be strong to severe with the best chance occurring during the afternoon and evening. The primary threat will be wind gusts up to 60 mph. .SPOTTER INFORMATION STATEMENT... Spotter activation is not planned for today. LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-280845- 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- 431 AM EDT Thu Aug 27 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 during the afternoon and evening with isolated to widely scattered severe storms possible. Wind gusts up to 50 kt will be the main hazard with hail around 1 inch also possible. Storm motion will be northwest to southeast at 35 kt. .DAYS TWO THROUGH SEVEN...Friday through Wednesday An unsettled pattern keeps a chance of thunderstorms in the forecast through Friday into Friday night. Some storms may be strong to severe with the best chance occurring during the afternoon and evening. The primary threat will be wind gusts up to 50 kt. .SPOTTER INFORMATION STATEMENT... Spotter activation is not planned for today. You can obtain your latest National Weather Service forecasts online at www.weather.gov/detroit. TF
Special Weather Statement
National Weather Service Detroit/Pontiac MI
1214 PM EDT Thu Aug 27 2020
MIZ049-271700-
Huron MI-
1214 PM EDT Thu Aug 27 2020
...SIGNIFICANT WEATHER ADVISORY FOR HURON COUNTY UNTIL 100 PM EDT...
At 1214 PM EDT, Doppler radar was tracking a strong thunderstorm near
Pigeon, or near Caseville, moving east at 50 mph.
Half inch hail and winds in excess of 40 mph will be possible with
this storm.
This strong thunderstorm will be near...
Pigeon around 1220 PM EDT.
Elkton and Owendale around 1225 PM EDT.
Bad Axe around 1235 PM EDT.
Ubly around 1245 PM EDT.
Other locations impacted by this storm include Pinnebog, Ruth,
Redman, Filion, Parisville, Helena, White Rock, Ivanhoe, Rapson and
Bay Port.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4392 8276 4381 8263 4370 8261 4368 8315
4375 8347 4394 8338 4395 8334 4400 8328
4400 8325
TIME...MOT...LOC 1614Z 286DEG 43KT 4387 8336
IRLSpecial Weather Statement
National Weather Service Detroit/Pontiac MI
1253 PM EDT Thu Aug 27 2020
MIZ049-054-055-271800-
Huron MI-Tuscola MI-Sanilac MI-
1253 PM EDT Thu Aug 27 2020
...SIGNIFICANT WEATHER ADVISORY FOR TUSCOLA...SANILAC AND SOUTHERN
HURON COUNTIES UNTIL 200 PM EDT...
At 1253 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from 6 miles southwest of Bad Axe to 7 miles west of
Unionville. Movement was east at 40 mph.
Wind gusts up to 50 mph will be possible with these storms.
Strong thunderstorms will be near...
Ubly around 100 PM EDT.
Owendale around 115 PM EDT.
Gagetown around 120 PM EDT.
Cass City and Forestville around 130 PM EDT.
Argyle around 145 PM EDT.
Sandusky and Deckerville around 200 PM EDT.
Other locations impacted by these storms include Parisville, Colling,
Wisner, Ivanhoe, Ellington, Juhl, Elmer, Silverwood, New Greenleaf
and Deford.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 4332 8341 4362 8373 4361 8373 4365 8377
4362 8368 4372 8359 4376 8307 4384 8265
4333 8253
TIME...MOT...LOC 1653Z 285DEG 33KT 4373 8306 4368 8361
BTSpecial Weather Statement
National Weather Service Detroit/Pontiac MI
114 PM EDT Thu Aug 27 2020
MIZ047-048-053-054-271815-
Bay MI-Tuscola MI-Saginaw MI-Midland MI-
114 PM EDT Thu Aug 27 2020
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN TUSCOLA...BAY...
SAGINAW AND MIDLAND COUNTIES UNTIL 215 PM EDT...
At 113 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Alma to near Freeland to Kawkawlin.
Movement was southeast at 45 mph.
Wind gusts up to 50 mph will be possible with these storms.
Strong thunderstorms will be near...
Bay City, Freeland, Kawkawlin and Essexville around 120 PM EDT.
Saginaw, Zilwaukee and Munger around 130 PM EDT.
Reese and Bridgeport around 135 PM EDT.
Frankenmuth, Birch Run and Marion Springs around 145 PM EDT.
St. Charles around 150 PM EDT.
Oakley around 155 PM EDT.
Chesaning and Millington around 200 PM EDT.
Other locations impacted by these storms include Carrollton,
Garfield, Arthur, Fenmore, Crump, Gera, Buena Vista Township,
Gilford, Indiantown and Bombay.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 4381 8460 4383 8417 4400 8417 4400 8405
4391 8404 4391 8391 4376 8395 4364 8382
4360 8370 4355 8364 4330 8337 4324 8335
4322 8392 4313 8393 4313 8436 4347 8437
4347 8461
TIME...MOT...LOC 1713Z 296DEG 41KT 4343 8473 4348 8419 4368 8394
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</html>The Detroit radar (KDTX), 87 km away, was scanning. The volume nearest the first event began at 18:58 UTC.
1 marine thunderstorm wind. Local standard time, as filed.
A thunderstorm which brought down trees in the Marysville and Port Huron area moved over the St. Clair River.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Lake St. Clair in 2020Every state in 2020This day in weather history
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 2026-09-30. Each event’s entry at NCEI: 914265.