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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Gaylord MI
1251 PM EDT Mon Aug 21 2017

LHZ345>349-LMZ323-341-342-344>346-LSZ321-322-MIZ008-015>036-041-
042-221700-
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-Chippewa-
Mackinac-Emmet-Cheboygan-Presque Isle-Charlevoix-Leelanau-Antrim-
Otsego-Montmorency-Alpena-Benzie-Grand Traverse-Kalkaska-Crawford-
Oscoda-Alcona-Manistee-Wexford-Missaukee-Roscommon-Ogemaw-Iosco-
Gladwin-Arenac-
1251 PM EDT Mon Aug 21 2017

This hazardous weather outlook is for northern Lower Michigan...
eastern Upper Michigan...and adjacent nearshore waters of Lake
Michigan...Lake Huron and Lake Superior.

.DAY ONE...This afternoon and tonight.

Scattered thunderstorms are expected this afternoon and early
evening. A few severe thunderstorms are possible, mainly in
northern lower Michigan. The best chance for severe thunderstorms
looks to be between 3 pm and 10 pm, east of I-75 and north of
M-72. Any severe storms could produce damaging wind gusts and
large hail. An isolated tornado is also possible.

Some thunderstorms remain possible through the night. Severe
storms are not expected tonight, but locally heavy rainfall is
possible.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

There is a chance of thunderstorms Tuesday morning, primarily east
of Interstate 75.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report any significant weather and
rainfall amounts to the National Weather Service. Reports may be
made one of three ways:

Online:   weather.gov/gaylord
Facebook: facebook.com/nwsgaylord

Twitter:  twitter.com/nwsgaylord

&&

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

$$

Hazardous Weather Outlook
National Weather Service Northern Indiana
902 AM EDT Mon Aug 21 2017

INZ004>009-012>018-020-022>027-032>034-MIZ078>081-OHZ001-002-004-005-
015-016-024-025-221000-
St. Joseph IN-Elkhart-Lagrange-Steuben-Noble-De Kalb-Starke-Pulaski-
Marshall-Fulton IN-Kosciusko-Whitley-Allen IN-White-Cass IN-Miami-
Wabash-Huntington-Wells-Adams-Grant-Blackford-Jay-Cass MI-
St. Joseph MI-Branch-Hillsdale-Williams-Fulton OH-Defiance-Henry-
Paulding-Putnam-Van Wert-Allen OH-
902 AM EDT Mon Aug 21 2017 /802 AM CDT Mon Aug 21 2017/

This hazardous weather outlook is for portions of southwest
Michigan...northern Indiana and northwest Ohio.

.DAY ONE...Today and Tonight

No hazardous weather is expected.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Thunderstorms will be possible Tuesday mainly along and southeast of
Interstate 69. An isolated strong storm is possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will no be needed.

&&

Stay tuned to NOAA Weather Radio for further details or updates...or
check our web site at weather.gov/iwx

$$

Hazardous Weather Outlook
National Weather Service Northern Indiana
902 AM EDT Mon Aug 21 2017

INZ003-MIZ077-221000-
La Porte-Berrien-
902 AM EDT Mon Aug 21 2017 /802 AM CDT Mon Aug 21 2017/

This hazardous weather outlook is for portions of southwest Michigan
and northern Indiana.

.DAY ONE...Today and Tonight

There is a chance for thunderstorms into this evening, with
thunderstorms becoming likely late tonight. No severe weather is
expected. However isolated locally heavy rainfall is possible late
tonight.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

There is a chance of thunderstorms mainly Tuesday morning. Severe
weather is not expected.

Dangerous swimming conditions due to high waves and rip currents are
possible at Lake Michigan beaches Tuesday and Wednesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.


&&

Stay tuned to NOAA Weather Radio for further details or updates...or
check our web site at weather.gov/iwx

$$

Hazardous Weather Outlook
National Weather Service Northern Indiana
902 AM EDT Mon Aug 21 2017

LMZ043-046-221000-
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
902 AM EDT Mon Aug 21 2017

This hazardous weather outlook is for portions of The Nearshore
Waters of Southeastern Lake Michigan.

.DAY ONE...Today and Tonight

There is a chance of thunderstorms this evening with thunderstorms
becoming likely late tonight. Wind gusts of 35 knots will be
possible along with locally higher waves.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Hazardous wind and wave conditions for small craft are possible
Tuesday through Wednesday.

&&

Stay tuned to NOAA Weather Radio for further details or updates...or
check our web site at weather.gov/iwx

$$

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
427 AM CDT Mon Aug 21 2017

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-220930-
Lake Michigan from Michigan City IN to St. Joseph MI 5 NM
offshore to Mid Lake-
Lake Michigan from Seul Choix Point to Rock Island Passage 5 NM
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 5 NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5 NM offshore to
Mid Lake-
Lake Michigan from Point Betsie to Manistee MI 5 NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5 NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5 NM offshore to
Mid Lake-
Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5 NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5 NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5 NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid
Lake-
Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to
Mid Lake-
427 AM CDT Mon Aug 21 2017

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE
MICHIGAN.

.DAY ONE...Today and Tonight.

There is a small chance of thunderstorms this afternoon, mainly
across the south. Thunderstorms are likely late this evening
into overnight, some of which may be strong.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

There is a chance of thunderstorms across the south Tuesday
morning. There is a chance of thunderstorms across the north
Sunday night.

&&

$$

MTF

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HAZARDOUS WEATHER OUTLOOK
National Weather Service Grand Rapids MI
429 AM EDT Mon Aug 21 2017

LMZ844>849-220830-
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
429 AM EDT Mon Aug 21 2017

This hazardous weather outlook is for portions of southwest Lower
Michigan.

.DAY ONE...Today and Tonight

Thunderstorms are expected to develop overnight tonight. Some of
the storms could become locally strong to severe. Wind gusts,
large hail, locally heavy rainfall, and cloud to water lightning
strikes will be the main threats.

Winds and waves will increase overnight tonight. Conditions will
deteriorate, with conditions becoming hazardous to boaters and
swimmers late tonight.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

A few thunderstorms will remain possible on Tuesday morning.

Very hazardous conditions can be expected on Tuesday for boaters
and swimmers as waves are expected to build to at least 5 to 7
feet. These conditions could linger into Wednesday before
improving.

$$

NJJ

HAZARDOUS WEATHER OUTLOOK
National Weather Service Grand Rapids MI
429 AM EDT Mon Aug 21 2017

MIZ037>040-043>046-050>052-056>059-064>067-071>074-220830-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
429 AM EDT Mon Aug 21 2017

This hazardous weather outlook is for portions of southwest Lower
Michigan.

.DAY ONE...Today and Tonight

There is a small chance of a thunderstorm this afternoon mainly
along and east of U.S.-131. These storms are not expected to
become severe.

Thunderstorms are expected to develop overnight tonight. Some of
the storms could become locally strong to severe. Wind gusts,
large hail, locally heavy rainfall, and cloud to ground lightning
strikes will be the main threats.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Thunderstorms will gradually diminish through the day on Tuesday.
Some of the storms could be locally strong early.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will be possible overnight tonight.

$$

Hazardous Weather Outlook...Corrected
National Weather Service Detroit/Pontiac MI
337 AM EDT Mon Aug 21 2017

MIZ047>049-053>055-060>063-068>070-075-076-082-083-220745-
Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer-
St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
337 AM EDT Mon Aug 21 2017

This hazardous weather outlook is for portions of southeast
Michigan.

.DAY ONE...Today and Tonight

Thunderstorms are likely as a cold front pushes across the Great
Lakes.  These storms will not be severe but will be capable of a
brief heavy downpour and gusty winds while moving west to east at
around 30 mph.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Thunderstorms are likely on Tuesday as the cold front moves across
the area. There is a marginal risk of severe weather during this
time.

.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.

SP

Hazardous Weather Outlook...Corrected
National Weather Service Detroit/Pontiac MI
337 AM EDT Mon Aug 21 2017

LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-220745-
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-
337 AM EDT Mon Aug 21 2017

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

.DAY ONE...Today and Tonight

Thunderstorms are likely as a cold front pushes across the Great
Lakes.  These storms will not be severe but will be capable of a
brief heavy downpour and gusty winds while moving west to east at
around 30 mph.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Thunderstorms are likely on Tuesday as the cold front moves across
the area. There is a marginal risk of severe weather during this
time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today and tonight.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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