Alert archive / Michigan / Special Weather Statements in 2017

Special Weather Statement, NWS Marquette, MI

June 17, 2017Delta County, Michigan

NWS Marquette, MI issued this special weather statement at Jun 17, 2017, 4:16 PM EDT for Delta County, Michigan. It was in force for 44 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: Jun 17, 2017, 4:16 PM EDT (20:16 UTC)
Expired: Jun 17, 2017, 5:00 PM EDT
In force: 44 min
Issued by: NWS Marquette, MI

County Delta County, MI

The radar

The Marquette radar (KMQT), 67 km from the middle of the area, began a volume at 20:19 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.3 hours before the alert went out and 209 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: 34 J/kg
Mixed-layer CIN: -129 J/kg
Mixed-layer LCL: 1221 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 113 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 12:57 AM EDT	Special Marine Warning	MQT		93 min
Jun 17, 2:47 PM EDT	Special Weather Statement	MQT	Luce, Schoolcraft	58 min
Jun 17, 5:00 PM EDT	Special Weather Statement	MQT	Schoolcraft	45 min
Jun 17, 5:23 PM EDT	Special Weather Statement	MQT	Baraga	67 min
Jun 17, 5:55 PM EDT	Special Weather Statement	MQT	Marquette	50 min
Jun 17, 6:53 PM EDT	Special Weather Statement	MQT	Delta	52 min

Nearby

Special Weather Statements in Michigan, 2017 Every special weather statement in 2017

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.