Hazardous Weather Outlook
Issued by NWS Grand Rapids, MI

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000
FLUS43 KGRR 220300
HWOGRR

HAZARDOUS WEATHER OUTLOOK
National Weather Service Grand Rapids MI
1100 PM 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-
1100 PM EDT Mon Aug 21 2017

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

.DAY ONE...Tonight

Thunderstorms are expected to develop overnight tonight. The
thunderstorms are not expected to become severe. Cloud to ground
lightning, locally heavy rainfall will be the biggest threats with
some isolated wind gusts and hail possible.

.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 is not expected tonight.

$$

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-
1100 PM EDT Mon Aug 21 2017

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

.DAY ONE...Tonight

Thunderstorms are expected to develop overnight tonight. The
thunderstorms are not expected to become severe. Cloud to ground
lightning, locally heavy rainfall will be the biggest threats with
some isolated wind gusts and hail possible.

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 early 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



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