Hazardous Weather Outlook
Issued by NWS Grand Rapids, MI

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FLUS43 KGRR 201017
HWOGRR

HAZARDOUS WEATHER OUTLOOK
National Weather Service Grand Rapids MI
617 AM EDT Thu Jul 20 2017

MIZ037>040-043>046-050>052-056>059-064>067-071>074-211030-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
617 AM EDT Thu Jul 20 2017

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

.DAY ONE...Today and Tonight

Scattered thunderstorms are expected today. Storms this afternoon
have the potential to reach severe levels with damaging winds, large
hail and heavy rain possible. The best chance for severe weather
will be to the south and east of Grand Rapids this afternoon.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Thunderstorms are in the forecast from Friday night through
Sunday. Severe weather is a possibility from Friday night into
Saturday. Heavy rain will remain a threat into the weekend as
storms may repeatedly move over the same areas increasing chances
for flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is a possibility this afternoon.

$$

LMZ844>849-211030-
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-
617 AM EDT Thu Jul 20 2017

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

.DAY ONE...Today and Tonight

Thunderstorms are possible over Lake Michigan today, mainly this
morning. Storms will contain cloud to water lightning strikes and
the potential for gusty winds and hail.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Thunderstorms will remain possible over Lake Michigan from Friday
evening into Sunday. Strong to severe storms are possible Friday
night into Saturday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is a possibility this afternoon.

$$

DUKE



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