Severe Thunderstorm Warning 33, NWS Detroit, MI

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Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
345 AM EDT Mon May 18 2026

MIZ047>049-053>055-060>063-068>070-075-076-082-083-190745-
Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer-
St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
345 AM EDT Mon May 18 2026

This hazardous weather outlook is for southeast Michigan.

.DAY ONE...Today and Tonight

The potential exists for severe thunderstorms to develop mainly
between 3 and 9 pm today. Storms will be capable of producing
damaging wind gusts to 60 mph, hail to one inch in diameter and
isolated tornadoes. Storms will track from west to east at 45 to 50
mph.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

The risk for severe weather exists again Tuesday mainly during the
afternoon and evening hours, with strong winds, large hail and heavy
rainfall possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed late this afternoon and evening.

LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-190745-
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-
345 AM EDT Mon May 18 2026

This hazardous weather outlook is for portions of Lake Erie, Lake
Huron and Lake St Clair.

.DAY ONE...Today and Tonight

The potential exists for severe thunderstorms to develop mainly
between 3 and 9 pm today. Storms will be capable of producing
damaging wind gusts to 50 knots, hail to one inch in diameter and
isolated tornadoes. Storms will track from west to east at 40 to 45
knots.

A small craft advisory is in effect through this evening. Refer to
the latest marine forecast for details.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

The risk for severe weather exists again Tuesday mainly during the
afternoon and evening hours, with strong winds, large hail and heavy
rainfall possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed late this afternoon and evening.

You can obtain your latest National Weather Service forecasts online
at www.weather.gov/detroit.

MR

Preliminary Local Storm Report
National Weather Service Detroit/Pontiac MI
1109 AM EDT Mon May 18 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0603 PM     Tstm Wnd Dmg     1 E Bay Park            43.65N  83.56W
05/17/2026                   Tuscola            MI   Public

            Parts of a roof removed from a pole barn and blown
            across the property, one large tree split, and other
            trees with branches down.

&&

Event Number DTX2600462

drk

Special Weather Statement
National Weather Service Detroit/Pontiac MI
300 PM EDT Mon May 18 2026

MIZ069-181930-
Oakland MI-
300 PM EDT Mon May 18 2026

...A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN OAKLAND COUNTY
THROUGH 330 PM EDT...

At 300 PM EDT, Doppler radar was tracking a strong thunderstorm near
Livonia, moving northeast at 30 mph.

HAZARD...Wind gusts of 50 to 55 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Troy, Southfield, Pontiac, Novi, Royal Oak, Birmingham, Rochester,
Northville, Detroit Zoo, West Bloomfield, Farmington Hills, Rochester
Hills, Madison Heights, Oak Park, Auburn Hills, Ferndale, Hazel Park,
Berkley, Wixom, and Clawson.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
southeastern Michigan.

&&

LAT...LON 4244 8354 4266 8351 4273 8310 4245 8309
TIME...MOT...LOC 1900Z 222DEG 25KT 4244 8335

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

SF