Alert archive / Michigan / Special Weather Statements in 2013

Special Weather Statement, NWS Grand Rapids, MI

June 17, 2013Muskegon County, Oceana County, Michigan

NWS Grand Rapids, MI issued this special weather statement at Jun 17, 2013, 8:10 PM EDT for Muskegon County, Oceana County, Michigan. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 17, 2013, 8:10 PM EDT (00:10 UTC)
Expired: Jun 17, 2013, 10:15 PM EDT
In force: 2 hr
Issued by: NWS Grand Rapids, MI

Counties Muskegon County, MI, Oceana County, MI

The radar

The Grand Rapids radar (KGRR), 89 km from the middle of the area, began a volume at 00:11 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 00:00Z, 0.2 hours before the alert went out and 248 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 462 J/kg
Mixed-layer CIN: -74 J/kg
Mixed-layer LCL: 1513 m above ground
0-6 km bulk shear: 72 kt
0-1 km storm-relative helicity: 154 m²/s²
0-3 km storm-relative helicity: 230 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.6

Open this sounding in Storm Lab

The text

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

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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 Jun 17, 7:27 PM EDT, 43 minutes earlier.

Area forecast discussion, Jun 17, 7:27 PM EDT, 43 minutes before

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Hazardous weather outlook, Jun 17, 4:30 AM EDT, 15 hours 40 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
430 AM EDT MON JUN 17 2013

LMZ844>849-MIZ037>040-043>046-050>052-056>059-064>067-071>074-
180830-
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-MASON-LAKE-
OSCEOLA-CLARE-OCEANA-NEWAYGO-MECOSTA-ISABELLA-MUSKEGON-MONTCALM-
GRATIOT-OTTAWA-KENT-IONIA-CLINTON-ALLEGAN-BARRY-EATON-INGHAM-
VAN BUREN-KALAMAZOO-CALHOUN-JACKSON-
430 AM EDT MON JUN 17 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST LOWER
MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS ARE EXPECTED TODAY AND THIS EVENING. A FEW
OF THESE STORMS COULD BECOME STRONG OR PERHAPS SEVERE WITH LOCALIZED
WIND GUSTS TO 60 MPH AND/OR LARGE HAIL. STORM MOVEMENT WILL BE TO
THE SOUTHEAST AT 25 MPH.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THUNDERSTORMS ARE POSSIBLE SATURDAY AND SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TODAY AND THIS EVENING.

MEADE

In the hours before

Local storm report, Jun 17, 6:58 PM EDT, 1 hour 12 minutes before

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Special weather statement, Jun 17, 7:00 PM EDT, 1 hour 10 minutes before

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Local storm report, Jun 17, 7:01 PM EDT, 1 hour 9 minutes before

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Local storm report, Jun 17, 7:03 PM EDT, 1 hour 7 minutes before

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Local storm report, Jun 17, 7:05 PM EDT, 1 hour 5 minutes before

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Local storm report, Jun 17, 7:11 PM EDT, 59 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 8:26 PM EDT	Special Weather Statement	GRR	Isabella	64 min
Jun 17, 9:34 PM EDT	Special Weather Statement	GRR	Kent	56 min
Jun 17, 9:36 PM EDT	Severe Thunderstorm Warning	GRR	Kalamazoo	39 min
Jun 17, 9:50 PM EDT	Special Weather Statement	GRR	Calhoun	55 min

Nearby

Special Weather Statements in Michigan, 2013 Every special weather statement in 2013

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.