Alert archive / Michigan / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 4, NWS Marquette, MI

May 31, 20134 counties in Michigan

NWS Marquette, MI issued this severe thunderstorm warning at May 31, 2013, 7:59 PM EDT for 4 counties in Michigan. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 31, 2013, 7:59 PM EDT (23:59 UTC)
Expired: May 31, 2013, 8:45 PM EDT
In force: 46 min
Issued by: NWS Marquette, MI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Baraga County, MI, Dickinson County, MI, Iron County, MI, Marquette County, MI

The radar

The Marquette radar (KMQT), 44 km from the middle of the area, began a volume at 00:00 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 31, 3:35 PM EDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 12.0 hours before the alert went out and 213 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: 36 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 513 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: -17 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Marquette, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at May 31, 7:16 PM EDT, 43 minutes earlier.

Area forecast discussion, May 31, 7:16 PM EDT, 43 minutes before

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Hazardous weather outlook, May 31, 5:05 PM EDT, 2 hours 54 minutes before

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In the hours before

Local storm report, May 31, 5:13 PM EDT, 2 hours 46 minutes before

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Local storm report, May 31, 5:15 PM EDT, 2 hours 44 minutes before

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Local storm report, May 31, 5:50 PM EDT, 2 hours 9 minutes before

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Special weather statement, May 31, 5:53 PM EDT, 2 hours 6 minutes before

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Special weather statement, May 31, 6:50 PM EDT, 1 hour 9 minutes before

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Local storm report, May 31, 7:24 PM EDT, 35 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 11:04 AM EDT	Marine Dense Fog Advisory	MQT		33 hr
May 31, 4:40 PM EDT	Severe Thunderstorm Warning	MQT	Gogebic	50 min
May 31, 5:28 PM EDT	Special Marine Warning	MQT		92 min
May 31, 6:34 PM EDT	Special Marine Warning	MQT		71 min
May 31, 6:59 PM EDT	Special Marine Warning	MQT		106 min
May 31, 7:35 PM EDT	Severe Thunderstorm Warning	MQT	Dickinson, Iron	25 min
May 31, 7:45 PM EDT	Special Marine Warning	MQT		90 min
May 31, 7:49 PM EDT	Special Marine Warning	MQT		86 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2013 Every severe thunderstorm warning 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.