Alert archive / Michigan / Special Marine Warnings in 2021

Special Marine Warning 18, NWS Grand Rapids, MI

July 6, 2021

NWS Grand Rapids, MI issued this special marine warning at Jul 6, 2021, 2:37 AM EDT. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 6, 2021, 2:37 AM EDT (06:37 UTC)
Expired: Jul 6, 2021, 3:15 AM EDT
In force: 38 min
Issued by: NWS Grand Rapids, MI
Area: Storm-based polygon
Hail: 0.75 in
Wind: 34.0 mph

What forecasters said that day

The local office's own words before this special marine warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Rapids, MI wrote its last area forecast discussion before this special marine warning went out at Jul 6, 12:36 AM EDT, 2 hours 1 minute earlier.

Area forecast discussion, Jul 6, 12:36 AM EDT, 2 hours 1 minute before

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Hazardous weather outlook, Jul 5, 5:13 PM EDT, 9 hours 24 minutes before

Hazardous Weather Outlook
National Weather Service Grand Rapids MI
513 pM EDT Mon Jul 5 2021

MIZ037>040-043>046-050>052-056>059-064>067-071>074-060815-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
513 pM EDT Mon Jul 5 2021

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

.DAY ONE...This Evening and Tonight

Scattered thunderstorms may develop in Central and Western Michigan
this evening and linger into tonight. An isolated severe
thunderstorm with large hail or damaging wind gusts cannot be ruled
out.

Waves and currents on Lake Michigan will pose a moderate to high
risk to swimmers into this evening, mainly north of Grand Haven
toward Ludington. Strong currents can pull swimmers into deeper
water. These currents can occur along any beach but will most
frequently occur near south piers today.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Occasional thunderstorms are possible Tuesday night into Wednesday
and again Friday or Saturday.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report local severe weather to the
National Weather Service via phone, amateur radio networks, or
social media.

LMZ844>849-060815-
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-
412 AM EDT Mon Jul 5 2021

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

.DAY ONE...This Evening and Tonight

Scattered thunderstorms may develop in Central and Western Michigan
and over Lake Michigan this evening and linger into tonight. An
isolated severe thunderstorm with large hail or damaging wind gusts
cannot be ruled out.

Winds and waves on Lake Michigan will be a hazard to small craft
mainly near and north of Grand Haven. Waves and currents will pose a
moderate to high risk to swimmers into this evening, mainly north of
Grand Haven toward Ludington. Strong currents can pull swimmers into
deeper water. These currents can occur along any beach but will most
frequently occur near south piers today.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Occasional thunderstorms are possible Tuesday night into Wednesday
and again Friday or Saturday.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report local severe weather to the
National Weather Service via phone, amateur radio networks, or
social media.

In the hours before

Special weather statement, Jul 5, 11:26 PM EDT, 3 hours 11 minutes before

Special Weather Statement
National Weather Service Grand Rapids MI
1126 PM EDT Mon Jul 5 2021

MIZ038>040-060430-
Osceola-Lake-Clare-
1126 PM EDT Mon Jul 5 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT CLARE...OSCEOLA AND
NORTHEASTERN LAKE COUNTIES...

At 1126 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Vogel Center to 5 miles southeast of
Hoxeyville. Movement was southeast at 40 mph.

Winds in excess of 40 mph are possible with these storms.

Locations impacted include...
Clare...               Evart...               Reed City...
Marion...              Farwell...             Luther...
Harrison...            Highland...            Lake...
Hersey...              Le Roy...              Tustin...
Lake George...         Ashton...              Bristol...
Avondale...            Sears...               Temple...
Long Lake...           Dighton...

If outdoors, consider seeking shelter inside a building.

LAT...LON 4416 8461 4382 8461 4382 8550 4416 8580
TIME...MOT...LOC 0326Z 309DEG 33KT 4415 8503 4412 8563

MJS

Special weather statement, Jul 6, 12:05 AM EDT, 2 hours 32 minutes before

Special Weather Statement
National Weather Service Grand Rapids MI
1205 AM EDT Tue Jul 6 2021

MIZ038-043>045-060530-
Oceana-Lake-Mecosta-Newaygo-
1205 AM EDT Tue Jul 6 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NEWAYGO...SOUTHEASTERN
LAKE...MECOSTA AND EASTERN OCEANA COUNTIES...

At 1204 AM EDT, radar indicated strong thunderstorms were located
along a line extending from near Baldwin to 6 miles east of Hart.
Movement was east at 20 mph.

Winds in excess of 40 mph are possible with these storms.

Locations impacted include...
Big Rapids...          Hart...                White Cloud...
Fremont...             Hesperia...            Morley...
Mecosta...             Canadian Lakes...      Remus...
Elbridge...            Colfax...              Paris...
Barryton...            Walkerville...         Stanwood...
Brohman...             Sylvester...           Chippewa Lake...
Woodland Park...       Rodney...

LAT...LON 4388 8573 4386 8556 4382 8556 4382 8524
      4380 8511 4347 8509 4347 8606 4369 8636
TIME...MOT...LOC 0404Z 285DEG 19KT 4387 8576 4372 8624

MJS

Special weather statement, Jul 6, 12:40 AM EDT, 1 hour 57 minutes before

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The office that day

Everything else NWS Grand Rapids, MI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 5, 11:26 PM EDT	Special Weather Statement	GRR	Clare, Osceola	64 min
Jul 6, 12:05 AM EDT	Special Weather Statement	GRR	Mecosta, Newaygo	85 min
Jul 6, 12:40 AM EDT	Special Weather Statement	GRR	Montcalm	65 min
Jul 6, 4:10 PM EDT	Special Weather Statement	GRR	Mecosta, Osceola	65 min
Jul 6, 4:26 PM EDT	Special Weather Statement	GRR	Gratiot	64 min
Jul 6, 6:00 PM EDT	Special Weather Statement	GRR	Gratiot	45 min
Jul 6, 6:06 PM EDT	Small Craft Advisory	GRR		9 hr
Jul 6, 6:26 PM EDT	Areal Flood Advisory	GRR	Mecosta, Newaygo	3 hr
Jul 6, 6:44 PM EDT	Special Marine Warning	GRR		61 min
Jul 6, 7:01 PM EDT	Special Weather Statement	GRR	Mason	44 min

Nearby

Special Marine Warnings in Michigan, 2021 Every special marine warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.