Alert archive / Michigan / Mesoscale Discussions in 2007

Mesoscale Discussion 1429

July 9, 200722 counties in Michigan

The Storm Prediction Center issued this mesoscale discussion at Jul 9, 2007, 1:56 PM EDT for 22 counties in Michigan. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued: Jul 9, 2007, 1:56 PM EDT (17:56 UTC)
Expired: Jul 9, 2007, 3:30 PM EDT
In force: 94 min
Issued by: the Storm Prediction Center

All 22 counties

Arenac County, MI, Bay County, MI, Clare County, MI, Clinton County, MI, Genesee County, MI, Gladwin County, MI, Gratiot County, MI, Ionia County, MI, Isabella County, MI, Kent County, MI, Lake County, MI, Mecosta County, MI, Midland County, MI, Montcalm County, MI, Muskegon County, MI, Newaygo County, MI, Oceana County, MI, Osceola County, MI, Ottawa County, MI, Saginaw County, MI, Shiawassee County, MI, Tuscola County, MI

The radar

The Grand Rapids radar (KGRR), 79 km from the middle of the area, began a volume at 17:58 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.

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 496Jul 9, 2:35 PM EDT

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 9, 2:36 PM EDT	Severe Thunderstorm Watch	SPC	Allegan, Barry, Bay, Clinton, Eaton, Genesee and 18 more	4 hr

Nearby

Mesoscale Discussions in Michigan, 2007 Every mesoscale discussion in 2007

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.