Alert archive / Michigan / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 59, NWS Grand Rapids, MI

August 29, 2019Allegan County, Michigan

NWS Grand Rapids, MI issued this severe thunderstorm warning at Aug 29, 2019, 9:25 PM EDT for Allegan County, Michigan. It was in force for 35 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
Aug 29, 2019, 9:25 PM EDT (01:25 UTC)
Expired
Aug 29, 2019, 10:00 PM EDT
In force
35 min
Issued by
NWS Grand Rapids, MI
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Allegan County, MI

The radar

The Grand Rapids radar (KGRR), 51 km from the middle of the area, began a volume at 01:24 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Aug 29, 7:51 PM EDT, 1 hour 34 minutes earlier.

Area forecast discussion, Aug 29, 7:51 PM EDT, 1 hour 34 minutes before
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Hazardous weather outlook, Aug 29, 3:03 PM EDT, 6 hours 22 minutes before
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
303 PM EDT Thu Aug 29 2019

MIZ037>040-043>046-050>052-056>059-064>067-071>074-301915-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
303 PM EDT Thu Aug 29 2019

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

.DAY ONE...This Afternoon and Tonight

There is a marginal risk of severe storms through this evening.
The main threat is strong downburst winds. THere is also the
possibility of a tornado.

Lakeshore flooding and hazardous swim conditions are expected
into this evening.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and evening.

LMZ844>849-301915-
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-
303 PM EDT Thu Aug 29 2019

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

.DAY ONE...This Afternoon and Tonight

Winds and waves will be hazardous to small craft through early
evening. There is also a threat of strong thunderstorms with winds
gusting over 40 knots through early evening.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

No hazardous weather is expected at this time.

In the hours before

Local storm report, Aug 29, 6:45 PM EDT, 2 hours 40 minutes before
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Local storm report, Aug 29, 6:49 PM EDT, 2 hours 36 minutes before
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Local storm report, Aug 29, 7:15 PM EDT, 2 hours 10 minutes before
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Local storm report, Aug 29, 7:29 PM EDT, 1 hour 56 minutes before
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Local storm report, Aug 29, 7:52 PM EDT, 1 hour 33 minutes before
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Local storm report, Aug 29, 7:57 PM EDT, 1 hour 28 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 29, 8:06 PM EDTSpecial Weather StatementGRRClinton, Gratiot, Ionia, Kent, Montcalm, Ottawa54 min
Aug 29, 8:17 PM EDTSevere Thunderstorm WarningGRRClinton, Ionia43 min
Aug 29, 8:34 PM EDTSpecial Marine WarningGRR69 min
Aug 29, 9:20 PM EDTSpecial Weather StatementGRRAllegan, Barry, Eaton, Ingham55 min
Aug 29, 9:38 PM EDTSevere Thunderstorm WarningGRRBarry37 min
Aug 29, 10:43 PM EDTSpecial Weather StatementGRRBarry, Calhoun, Eaton, Ingham, Jackson, Kalamazoo2 hr

Nearby

Severe Thunderstorm Warnings in Michigan, 2019Every severe thunderstorm warning in 2019

Sources

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