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Air Quality Alert


MIZ078-177-277-190400-
Cass MI-Northern Berrien-Southern Berrien-
Including the cities of Dowagiac, Cassopolis, Edwardsburg,
Marcellus, Benton Harbor, St. Joseph, Paw Paw Lake, Niles,
New Buffalo, Stevensville, and Berrien Springs
800 AM EDT Sat May 18 2024

...Air Quality Advisory for Saturday May 18...

The Michigan Department of Environment, Great Lakes, and Energy
(EGLE) has declared an Air Quality Advisory for Saturday, May 18,
for elevated levels of ozone in parts of southwest Michigan.
Pollutants within those areas are expected to be in the Unhealthy for
Sensitive Groups (USG, Orange AQI) range.

The Air Quality Advisory is in effect for the following counties in
southwest Michigan...

Berrien and Cass

Ample sunshine, light winds with a southern component, and
increasing surface and upper-level temperatures, will make conditions
conducive for ozone development today. The areas of greatest concern
are along the west Michigan lakeshore, and in the southeastern
portion of the state. The timing of highest ozone concentrations will
be during the mid-afternoon to early evening hours.

It is recommended that, when possible, you avoid strenuous outdoor
activities, especially those with respiratory diseases such as
asthma.

People and businesses are urged to avoid activities which lead to
ozone formation. These activities include:
* refueling vehicles or topping off when refueling;
* using gasoline powered lawn equipment;
* using charcoal lighter fluid.

Positive activities include:
* driving less;
* telecommuting;
* and delaying or combining errands.

For further information, please see EPA`s Air Now site for
up-to-date air quality data: https://www.airnow.gov/

$$

MIZ050-056-057-064-071-190400-
Muskegon-Ottawa-Kent-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison,
Grand Rapids, Holland, and South Haven
412 PM EDT Fri May 17 2024

...Air Quality Advisory for Saturday, May 18th...

The Michigan Department of Environment, Great Lakes, and Energy
(EGLE) has declared an Air Quality Advisory for Saturday, May 18,
2024, for elevated levels of ozone in parts of west Michigan.
Pollutants within those areas are expected to be in the Unhealthy for
Sensitive Groups (USG, Orange AQI) range.

The Air Quality Advisory is in effect for the following west
Michigan counties:

Allegan, Kent, Muskegon, Ottawa, and Van Buren Counties

Ample sunshine, light winds with a southern component, and
increasing surface and upper-level temperatures, will make conditions
conducive for ozone development Saturday. The areas of greatest
concern are along the west Michigan lakeshore inland toward Grand
Rapids. The timing of highest ozone concentrations will be during
the mid-afternoon to early evening hours.

It is recommended that, when possible, you avoid strenuous outdoor
activities, especially those with respiratory diseases such as
asthma.

People and businesses are urged to avoid activities which can lead
to ozone formation. These activities include: refueling vehicles or
topping off when refueling; using gasoline powered lawn equipment;
using charcoal lighter fluid.

Positive activities include: driving less, telecommuting, walking or
bike riding, delaying or combining errands, using water-based
paints.

For further information, please see EPAs Air Now site for up-to-date
air quality data: https://www.airnow.gov/


$$

MIZ063-068>070-075-076-083-190400-
St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Monroe-
Including the cities of Port Huron, Howell, Pontiac, Warren,
Ann Arbor, Detroit, and Monroe
114 PM EDT Fri May 17 2024

...Air Quality Advisory in effect for Saturday May 18th...

The Michigan Department of Environment, Great Lakes, and Energy
(EGLE) has declared an Air Quality Advisory for Saturday May 18th for
elevated levels of ozone in parts of southeast Michigan. Pollutants
within those areas are expected to be in the Unhealthy for Sensitive
Groups (USG, Orange AQI) range.

The Air Quality Advisory is in effect for the following southeast Michigan
counties...

Livingston...Macomb...Monroe...Oakland...St. Clair...Washtenaw and
Wayne.

Ample sunshine, light winds with a southern component, and
increasing surface and upper-level temperatures will make conditions
conducive for ozone development Saturday. The timing of highest
ozone concentrations will be during the mid-afternoon to early
evening hours.

It is recommended that, when possible, you avoid strenuous outdoor
activities, especially those with respiratory diseases such as
asthma.

People and businesses are urged to avoid activities which lead to
ozone formation. These activities include...refueling vehicles or
topping off when refueling, using gasoline powered lawn equipment
and using charcoal lighter fluid. Positive activities include...
driving less, telecommuting, walking or bike riding, delaying or
combining errands, using water-based paints.

For further information, please see EPA`s Air Now site for up-to-date
air quality data: https://www.airnow.gov/

$$

MV


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
421 PM EDT Sat May 18 2024

LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-192030-
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-
421 PM EDT Sat May 18 2024

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

.DAY ONE...Tonight

Patchy fog, locally dense at times, will be possible tonight. Any
fog should begin to lift around sunrise or shortly after.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

There is a chance for scattered thunderstorms Sunday afternoon and
evening. Convective mode will be pulse thunderstorms and storm
motion will generally be to the southeast at 20 mph. Highly
localized wind gusts to 45-50 mph and half-inch sized hail will be
possible with stronger thunderstorm development.

.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.

AA

Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
421 PM EDT Sat May 18 2024

MIZ047>049-053>055-060>063-068>070-075-076-082-083-192030-
Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer-
St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
421 PM EDT Sat May 18 2024

This hazardous weather outlook is for portions of southeast
Michigan.

.DAY ONE...Tonight

Patchy fog, locally dense at times, will be possible tonight. Any
fog should begin to lift around sunrise or shortly after.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

There is a chance for scattered thunderstorms Sunday afternoon and
evening. Convective mode will be pulse thunderstorms and storm
motion will generally be to the southeast at 20 mph. Highly
localized wind gusts to 45-50 mph, half-inch sized hail, and
localized heavy rainfall will be possible with stronger thunderstorms
that are able to development.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today and tonight.

$$

Hazardous Weather Outlook
National Weather Service Gaylord MI
347 PM EDT Sat May 18 2024

MIZ016>018-020>036-041-042-086>088-095>099-191600-
Emmet-Cheboygan-Presque Isle-Leelanau-Antrim-Otsego-Montmorency-
Alpena-Benzie-Grand Traverse-Kalkaska-Crawford-Oscoda-Alcona-
Manistee-Wexford-Missaukee-Roscommon-Ogemaw-Iosco-Gladwin-Arenac-
Western Chippewa-Central Chippewa-Southeast Chippewa-
Western Mackinac-Eastern Mackinac-
Mackinac Island/Bois Blanc Island-
Beaver Island and surrounding islands-Charlevoix-
347 PM EDT Sat May 18 2024

This hazardous weather outlook is for Eastern Upper Michigan and
Northern Lower Michigan.

.DAY ONE...This afternoon and tonight.

A few non-severe thunderstorms are possible tonight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Thunderstorms are possible at times Monday through Wednesday.
There is the potential for stronger storms Tuesday night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated through this weekend.

For more information visit http://weather.gov/gaylord.

$$

Hazardous Weather Outlook
National Weather Service Gaylord MI
347 PM EDT Sat May 18 2024

LHZ345>349-LMZ323-341-342-344>346-LSZ321-322-191600-
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
St. Marys River Point Iroquois to E. Potagannissing Bay-
347 PM EDT Sat May 18 2024

This hazardous weather outlook is for the northern Michigan
nearshore waters of Lake Huron, Lake Michigan and Lake Superior.

.DAY ONE...This afternoon and tonight.

Areas of dense fog are expected into tonight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Areas of dense fog may continue through Sunday.

Thunderstorms are possible at times Monday through Wednesday.
There is the potential for stronger storms Tuesday night.

For more information visit http://weather.gov/gaylord.

$$

JZ

Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
241 PM CDT Sat May 18 2024

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-191945-
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
241 PM CDT Sat May 18 2024

This Hazardous Weather Outlook is for the open waters of Lake Michigan.

.DAY ONE...Tonight

A few thunderstorms are possible late this evening.

.DAYS TWO THROUGH SEVEN...Sunday through Saturday

There are chances for thunderstorms Monday through Tuesday night.

$$


www.weather.gov/mkx

U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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