Marine Thunderstorm Winds in Lake Michigan, May 27, 2012

Name: Marine Thunderstorm Winds in Lake Michigan, May 27, 2012
Start: 2012-05-27T04:50
End: 2012-05-27T10:51
Location: Lake Michigan

May 27, 2012 · NWS APX · 4 events in 2 counties and zones

Thunderstorms crossed Lake Michigan during the morning, producing gusty 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

Open the live radar over this ground

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 APX wrote it up.

Thunderstorms crossed Lake Michigan during the morning, producing gusty winds.

What forecasters said that day

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 Gaylord, MI wrote its last area forecast discussion before the first event at May 27, 3:58 AM EST, 52 minutes earlier.

Area forecast discussion, May 27, 3:58 AM EST, 52 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, May 27, 4:35 AM EST, 15 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GAYLORD MI
535 AM EDT SUN MAY 27 2012

LHZ345>349-LMZ323-341-342-344>346-LSZ321-322-MIZ008-015>036-041-042-
281245-
STRAITS OF MACKINAC-ST IGNACE TO FALSE DETOUR CHANNEL-
MACKINAC BRDG TO PRESQUE ISLE LT-PRESQUE ISLE LT TO STURGEON PT-
STURGEON PT TO ALABASTER-GRAND TRAVERSE BAY-
SEUL CHOIX PT TO MACKINAC BRDG-NORWOOD TO MACKINAC BRDG-
SLEEPING BEAR PT TO GRAND TRAVERSE LT-PT BETSIE TO SLEEPING BEAR PT-
MANISTEE TO PT BETSIE-WHITEFISH BAY-ST. MARYS RIVER-CHIPPEWA-
MACKINAC-EMMET-CHEBOYGAN-PRESQUE ISLE-CHARLEVOIX-LEELANAU-ANTRIM-
OTSEGO-MONTMORENCY-ALPENA-BENZIE-GRAND TRAVERSE-KALKASKA-CRAWFORD-
OSCODA-ALCONA-MANISTEE-WEXFORD-MISSAUKEE-ROSCOMMON-OGEMAW-IOSCO-
GLADWIN-ARENAC-
535 AM EDT SUN MAY 27 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN LOWER MICHIGAN...
EASTERN UPPER MICHIGAN...AND ADJACENT NEARSHORE WATERS OF LAKE
MICHIGAN...LAKE HURON AND LAKE SUPERIOR.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS WILL AFFECT THE GRAND TRAVERSE BAY REGION
OVER TOWARD THE SAGINAW BAY THROUGH DAYBREAK. THE REMAINDER OF THE
DAY WILL FEATURE A SMALL CHANCE FOR THUNDERSTORMS...PRIMARILY
ACROSS EASTERN UPPER MICHIGAN. NONE OF THE STORMS ARE EXPECTED TO
BE SEVERE.

THERE WILL BE ANOTHER CHANCE FOR THUNDERSTORMS TONIGHT ACROSS
EASTERN UPPER...AND PORTIONS OF NORTHEAST LOWER MICHIGAN. THESE
STORMS ARE ALSO NOT EXPECTED TO BE SEVERE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

A COLD FRONT WILL SWING THROUGH NORTHERN MICHIGAN MONDAY AFTERNOON
AND MONDAY NIGHT. THIS WILL BRING ANOTHER CHANCE FOR
THUNDERSTORMS.

THERE IS A CHANCE FOR FROST IN SEVERAL COMMUNITIES IN NORTHERN
MICHIGAN WEDNESDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

SMD

The radar

The Green Bay radar (KGRB), 143 km away, was scanning. The volume nearest the first event began at 09:50 UTC.

Open the radar archive at this moment

Event by event

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

Marine Thunderstorm Wind, Manistee to Point Betsie Mi

When: May 27, 4:50 AM EST
Where: Manistee to Point Betsie Mi forecast zone, 0.58 mi NE of Manistee
Measured: 39 kt (45 mph) measured gust
Reported by: C-MAN Station
Coordinates: 44.257, -86.343

Marine Thunderstorm Wind, Manistee to Point Betsie Mi

When: May 27, 6:15 AM EST
Where: Manistee to Point Betsie Mi forecast zone, 0.99 mi SSW of Frankfort
Measured: 35 kt (40 mph) measured gust
Reported by: AWOS
Coordinates: 44.628, -86.251

Marine Thunderstorm Wind, Manistee to Point Betsie Mi

When: May 27, 6:30 AM EST
Where: Manistee to Point Betsie Mi forecast zone, 0.72 mi NE of Manistee
Measured: 41 kt (47 mph) measured gust
Reported by: C-MAN Station
Coordinates: 44.257, -86.340

Marine Thunderstorm Wind, Grand Traverse Bay From Grand Traverse Light to Norwood Mi

When: May 27, 10:51 AM EST
Where: Grand Traverse Bay From Grand Traverse Light to Norwood Mi forecast zone, 2.8 mi E of Traverse City
Measured: 43 kt (49 mph) measured gust
Reported by: ASOS
Coordinates: 44.760, -85.563

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

Every storm in Lake Michigan in 2012 Every state in 2012 This 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: 386350, 386351, 386339, 386352.