West to north storm force winds developed at both Granite Island and Stannard Rock on the 15th in the wake of a strengthening mesolow pressure system over eastern Lake Superior.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS MQT wrote it up.
West to north storm force winds developed at both Granite Island and Stannard Rock on the 15th in the wake of a strengthening mesolow pressure system over eastern Lake Superior.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Marquette, MI wrote its last area forecast discussion before the first event at Dec 15, 9:20 AM EST, 2 hours earlier.
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</html>The national radar mosaic for the moment the first event began.
3 marine high wind. Local standard time, as filed.
The observing station at Granite Island Light measured storm force west to north winds through the period with a peak wind gust of 52 knots.
The observing station at Granite Island Light measured storm force west to north winds through the period with a peak wind gust of 52 knots.
The Stannard Rock Light Station measured a peak north gust to 54 knots.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Lake Superior in 2013Every state in 2013This day in weather history
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 486861, 486862, 486863.