Alert archive / Michigan / Special Weather Statements in 2018

Special Weather Statement, NWS Grand Rapids, MI

May 27, 20184 counties in Michigan

NWS Grand Rapids, MI issued this special weather statement at May 27, 2018, 3:21 PM EDT for 4 counties in Michigan. It was in force for 84 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 27, 2018, 3:21 PM EDT (19:21 UTC)
Expired
May 27, 2018, 4:45 PM EDT
In force
84 min
Issued by
NWS Grand Rapids, MI

Counties Clare County, MI, Isabella County, MI, Mecosta County, MI, Montcalm County, MI

The radar

The Grand Rapids radar (KGRR), 98 km from the middle of the area, began a volume at 19:24 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.

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 7.4 hours before the alert went out and 156 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Detroit, MI at 12:00Z on 2018-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 329 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 2018-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
329 J/kg
Mixed-layer CIN
-136 J/kg
Mixed-layer LCL
1359 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at May 27, 2:12 PM EDT, 1 hour 9 minutes earlier.

Area forecast discussion, May 27, 2:12 PM EDT, 1 hour 9 minutes before
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</head>
<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, May 27, 7:27 AM EDT, 7 hours 54 minutes before
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
727 AM EDT Sun May 27 2018

MIZ037>040-043>046-050>052-056>059-064>067-071>074-281130-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
727 AM EDT Sun May 27 2018

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

.DAY ONE...Today and Tonight

A few thunderstorms are possible early this morning and again this
afternoon mainly to the north and east of a Big Rapids to Alma
line. Locally gusty winds and cloud to ground lightning strikes
will be the main hazards.

Patchy dense fog this morning may result in locally hazardous
travel conditions.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Locally heavy rain along with some thunderstorms will be possible
in the Wednesday night to Thursday night period.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

LMZ844>849-281130-
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-
727 AM EDT Sun May 27 2018

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

.DAY ONE...Today and Tonight

Fog may pose a risk to mariners through tonight.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

A few thunderstorms are possible Wednesday night into Thursday
night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

In the hours before

Local storm report, May 27, 12:49 PM EDT, 2 hours 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1249 PM EDT SUN MAY 27 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0730 PM     TSTM WND DMG     3 N BEAL CITY           43.71N 84.91W
05/26/2018                   ISABELLA           MI   PUBLIC

            DELAYED REPORT. TIME APPROXIMATED. BARN
            DAMAGE ON WYNN RD BETWEEN DENVER AND
            ROSEBUSH. THE NORTH SIDE OF THE BARN BLEW
            OUT IN ADDITION TO EAST FACING DOORS. NO
            INJURIES. STRONGEST WINDS LASTED LESS THAN
            10 MINUTES.

&&
Local storm report, May 27, 12:52 PM EDT, 2 hours 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1252 PM EDT SUN MAY 27 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0730 PM     TSTM WND DMG     3 N BEAL CITY           43.71N 84.91W
05/26/2018                   ISABELLA           MI   PUBLIC

            DELAYED REPORT. TIME APPROXIMATED. BARN
            DAMAGE OFF DENVER RD JUST WEST OF WINN RD.
            NORTH SIDE OF A BARN BLEW OVER IN ADDITION
            TO THE WEST FACING DOORS. NO INJURIES.

&&
Special weather statement, May 27, 3:21 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Grand Rapids MI
321 PM EDT SUN MAY 27 2018

MIZ040-045-046-051-052-272045-
Montcalm-Isabella-Gratiot-Mecosta-Clare-
321 PM EDT SUN MAY 27 2018

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN GRATIOT...
NORTHERN IONIA...ISABELLA...CLARE...SOUTHEASTERN OSCEOLA...
SOUTHEASTERN MECOSTA AND MONTCALM COUNTIES...

At 320 PM EDT, radar indicated strong thunderstorms were located
along a line extending from near Skeels to near Altona. Movement was
southeast at 20 mph.

Winds in excess of 30 mph and dime size hail are possible with these
storms.

Locations impacted include...
Mount Pleasant...      Alma...                Clare...
Stanton...             St. Louis...           Shepherd...
Edmore...              Carson City...         Lakeview...
Farwell...             Mecosta...             Rosebush...
Barryton...            Canadian Lakes...      Lake Isabella...
Crystal...             Sidney...              Sumner...
Lake...                Sheridan...

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 4347 8461 4346 8444 4312 8488 4312 8515
      4357 8546 4381 8515 4382 8509 4386 8509
      4416 8470 4416 8461
TIME...MOT...LOC 1920Z 327DEG 17KT 4409 8467 4357 8534

63

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 5:12 AM EDTSpecial Weather StatementGRRClare, Isabella63 min
May 27, 6:36 AM EDTSpecial Weather StatementGRRGratiot84 min
May 27, 3:43 PM EDTSevere Thunderstorm WarningGRRClare, Isabella47 min
May 27, 5:47 PM EDTSpecial Weather StatementGRRGratiot58 min
May 27, 6:21 PM EDTSevere Thunderstorm WarningGRRGratiot34 min

Nearby

Special Weather Statements in Michigan, 2018Every special weather statement in 2018

Sources

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