Alert archive / Michigan / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 55, NWS Detroit, MI
NWS Detroit, MI issued this severe thunderstorm warning at Jul 29, 2019, 2:44 PM EDT for Oakland County, Michigan. It was in force for 45 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
- Jul 29, 2019, 2:44 PM EDT (18:44 UTC)
- Expired
- Jul 29, 2019, 3:29 PM EDT
- In force
- 45 min
- Issued by
- NWS Detroit, MI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Oakland County, MI
The radar
The Detroit radar (KDTX), 8 km from the middle of the area, began a volume at 18:47 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, 6.7 hours before the alert went out and 8 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
- 286 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 1071 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 4 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 Jul 29, 2:17 PM EDT, 27 minutes earlier.
Area forecast discussion, Jul 29, 2:17 PM EDT, 27 minutes before
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</html>Hazardous weather outlook, Jul 29, 3:26 AM EDT, 11 hours 18 minutes before
Hazardous Weather Outlook National Weather Service Detroit/Pontiac MI 326 AM EDT Mon Jul 29 2019 MIZ047>049-053>055-060>063-068>070-075-076-082-083-300815- Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer- St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe- 326 AM EDT Mon Jul 29 2019 This hazardous weather outlook is for southeast Michigan. .DAY ONE...Today and Tonight Scattered thunderstorms are expected to develop this afternoon, and gradually end this evening as a cold front moves through the area. While a storm or two may become strong to marginally severe (wind gusts 50-60 mph), most of the activity will only produce locally heavy rainfall, small hail, and wind gusts to 45 mph. Storm motion will be southwest to northeast at 35 mph. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday There is a chance of non-severe thunderstorms Tuesday afternoon. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today and tonight. LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-300815- 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- 326 AM EDT Mon Jul 29 2019 This hazardous weather outlook is for portions of Lake Erie, Lake Huron and Lake St Clair. .DAY ONE...Today and Tonight Scattered thunderstorms are expected to develop this afternoon, and gradually end this evening as a cold front moves through the area. Storms will be capable of producing wind gusts of 40 knots or greater, along with small hail. Storm motion will be southwest to northeast at 30 knots. Small Craft advisories in effect for Saginaw Bay and Michigan Waters of Lake Erie. Refer to latest marine forecast for details. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday There is a chance of non-severe thunderstorms Tuesday afternoon. .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, Jul 29, 2:01 PM EDT, 43 minutes before
Special Weather Statement
National Weather Service Detroit/Pontiac MI
201 PM EDT Mon Jul 29 2019
MIZ054-061-062-291915-
Tuscola MI-Genesee MI-Lapeer MI-
201 PM EDT Mon Jul 29 2019
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN TUSCOLA...
NORTHWESTERN LAPEER AND NORTHEASTERN GENESEE COUNTIES UNTIL 315 PM
EDT...
At 201 PM EDT, Doppler radar was tracking a strong thunderstorm near
Otisville, or 7 miles east of Clio, moving northeast at 30 mph.
Penny size hail and wind gusts up to 50 mph will be possible with
this storm.
This strong thunderstorm will be near...
Otisville around 210 PM EDT.
Millington, Columbiaville and Otter Lake around 220 PM EDT.
Mayville around 240 PM EDT.
Clifford around 250 PM EDT.
Kingston around 300 PM EDT.
Other locations impacted by this storm include East Dayton, Deford,
Wilmot, Thetford Township, Silverwood, Genesee and Fostoria.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm 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 4334 8310 4305 8350 4313 8367 4322 8361
4361 8312
TIME...MOT...LOC 1801Z 228DEG 25KT 4314 8360
JVCSpecial weather statement, Jul 29, 2:16 PM EDT, 28 minutes before
Special Weather Statement
National Weather Service Detroit/Pontiac MI
216 PM EDT Mon Jul 29 2019
MIZ062-291915-
Lapeer MI-
216 PM EDT Mon Jul 29 2019
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN LAPEER COUNTY UNTIL
315 PM EDT...
At 216 PM EDT, Doppler radar was tracking a strong thunderstorm near
Metamora, or 8 miles north of Oxford, moving northeast at 30 mph.
Wind gusts up to 50 mph will be possible with this storm.
This strong thunderstorm will be near...
Dryden around 225 PM EDT.
Imlay City and Almont around 235 PM EDT.
Other locations impacted by this storm include Attica, Thornville and
Goodland Township.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm 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 4290 8299 4289 8308 4288 8329 4298 8332
4322 8300
TIME...MOT...LOC 1816Z 244DEG 24KT 4294 8322
JVCSpecial weather statement, Jul 29, 2:26 PM EDT, 18 minutes before
Special Weather Statement
National Weather Service Detroit/Pontiac MI
226 PM EDT Mon Jul 29 2019
MIZ054-291930-
Tuscola MI-
226 PM EDT Mon Jul 29 2019
...SIGNIFICANT WEATHER ADVISORY FOR EASTERN TUSCOLA COUNTY UNTIL 330
PM EDT...
At 226 PM EDT, Doppler radar was tracking a strong thunderstorm near
Mayville, moving northeast at 40 mph.
Pea size hail and wind gusts up to 50 mph will be possible with this
storm.
This strong thunderstorm will be near...
Caro around 245 PM EDT.
Cass City and Gagetown around 305 PM EDT.
Other locations impacted by this storm include Wilmot, Colwood,
Ellington, East Dayton, Deford and Colling.
LAT...LON 4350 8311 4343 8312 4332 8348 4367 8345
4367 8312
TIME...MOT...LOC 1826Z 212DEG 33KT 4334 8343
JVCThe office that day
Everything else NWS Detroit, MI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 1:35 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 27 min |
| Jul 29, 2:01 PM EDT | Special Weather Statement | DTX | Tuscola | 74 min |
| Jul 29, 2:09 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw, Shiawassee | 48 min |
| Jul 29, 2:13 PM EDT | Severe Thunderstorm Warning | DTX | Livingston | 62 min |
| Jul 29, 2:16 PM EDT | Special Weather Statement | DTX | Lapeer | 59 min |
| Jul 29, 2:26 PM EDT | Special Weather Statement | DTX | Tuscola | 64 min |
| Jul 29, 2:38 PM EDT | Severe Thunderstorm Warning | DTX | Tuscola | 42 min |
| Jul 29, 2:56 PM EDT | Severe Thunderstorm Warning | DTX | Saint Clair, Sanilac | 32 min |
| Jul 29, 3:03 PM EDT | Special Marine Warning | DTX | 117 min | |
| Jul 29, 3:19 PM EDT | Special Weather Statement | DTX | Saint Clair | 26 min |
| Jul 29, 3:27 PM EDT | Special Weather Statement | DTX | Lapeer | 63 min |
| Jul 29, 4:00 PM EDT | Special Marine Warning | DTX | 2 hr | |
| Jul 29, 4:17 PM EDT | Special Weather Statement | DTX | Macomb, Saint Clair, Wayne | 43 min |
Nearby
Severe Thunderstorm Warnings in Michigan, 2019Every severe thunderstorm warning in 2019
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.