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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Grand Rapids MI
400 AM EDT Thu Jul 9 2020

Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
400 AM EDT Thu Jul 9 2020

This hazardous weather outlook is for portions of southwest Lower

.DAY ONE...Today and Tonight

Heat indices of 95 to 100 are expected again this afternoon.
Scattered thunderstorms could produce torrential downpours and
brief gusty winds, along with dangerous lightning strikes.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Scattered thunderstorms on Friday could produce heavy rainfall and
localized flooding. Isolated storms are also possible Saturday
through Monday, mainly inland from Lake Michigan in the afternoons.

Although less humid weather will move in for the weekend, heat and
humidity will return again by the middle of next week.


Spotter activation will not be needed.


Air Quality Alert

Muskegon-Ottawa-Kent-Allegan-Van Buren-
Including the cities of Muskegon, Grand Haven, Jenison,
Grand Rapids, Holland, and South Haven
1200 PM EDT Wed Jul 8 2020

...Air Quality Alert Continues for Thursday, July 9th...

The Michigan Department of Environment, Great Lakes, and Energy
has declared an Action Day for elevated levels of ozone to be
extended into Thursday, July 9th. Pollutants are expected to be in
the unhealthy for sensitive groups range.

The Action Day is in effect for the following Michigan counties...

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

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 pooling...biking to work...delaying or combining
errands...and using water based paints.

It is recommended that active children and adults...and persons
with respiratory diseases such as asthma...limit prolonged
outdoor exertion.

For further information...please see the Michigan Department of
Environment, Great Lakes, and Energy page on the internet at...


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