Lake Michigan, 2014

Marine Thunderstorm Winds in Lake Michigan, May 8 to 9, 2014

May 8 to 9, 2014 · NWS LOT · 4 events in 3 counties and zones

Thunderstorms lifted north across the region from the overnight hours of May 8th into the morning hours of May 9th producing strong marine winds.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
4

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.

What happened

The episode as NWS LOT wrote it up.

Thunderstorms lifted north across the region from the overnight hours of May 8th into the morning hours of May 9th producing strong marine winds.

The radar

The Chicago radar (KLOT), 86 km away, was scanning. The volume nearest the first event began at 05:01 UTC.

Open the radar archive at this moment

Event by event

4 marine thunderstorm wind. Local standard time, as filed.

Marine Thunderstorm Wind, Winthrop Harbor to Wilmette Harbor Il

When
May 8, 11:00 PM CST
Where
Winthrop Harbor to Wilmette Harbor Il forecast zone, Waukegan Harbor
Measured
36 kt (41 mph) measured gust
Reported by
C-MAN Station
Coordinates
42.350, -87.810

Marine Thunderstorm Wind, Burns Harbor to Michigan City in

When
May 9, 1:10 AM CST to 1:40 AM CST
Where
Burns Harbor to Michigan City in forecast zone, Michigan City
Measured
45 kt (52 mph) measured gust
Reported by
C-MAN Station
Coordinates
41.730, -86.910

Winds gusted in excess of 38 knots for around half an hour, with a peak gust of 45 knots.

Marine Thunderstorm Wind, Burns Harbor to Michigan City in

When
May 9, 6:50 AM CST to 7:20 AM CST
Where
Burns Harbor to Michigan City in forecast zone, Michigan City
Measured
45 kt (52 mph) measured gust
Reported by
C-MAN Station
Coordinates
41.730, -86.910

Winds gusted in excess of 38 knots for around half an hour, with a peak gust of 45 knots.

Marine Thunderstorm Wind, Wilmette Harbor to Northerly Island Il

When
May 9, 7:45 AM CST to 7:55 AM CST
Where
Wilmette Harbor to Northerly Island Il forecast zone, Harrison-Dever Crib
Measured
38 kt (44 mph) measured gust
Reported by
C-MAN Station
Coordinates
41.920, -87.570

What these are

Marine Thunderstorm Wind
Thunderstorm winds of 34 knots or more over coastal or lake waters.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Lake Michigan in 2014Every state in 2014This day in weather history

Sources

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: 519228, 519229, 519230, 519231.