Alert archive / Michigan / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 25, NWS Marquette, MI

July 7, 2008Dickinson County, Marquette County, Michigan

NWS Marquette, MI issued this severe thunderstorm warning at Jul 7, 2008, 7:08 PM CDT for Dickinson County, Marquette County, Michigan. It was in force for 67 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: Jul 7, 2008, 7:08 PM CDT (00:08 UTC)
Expired: Jul 7, 2008, 8:15 PM CDT
In force: 67 min
Issued by: NWS Marquette, MI
Area: Storm-based polygon

Counties Dickinson County, MI, Marquette County, MI

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.1 hours before the alert went out and 208 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: 1815 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 934 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 96 m²/s²
0-3 km storm-relative helicity: 142 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 Jul 7, 3:07 PM CDT, 4 hours 1 minute earlier.

Area forecast discussion, Jul 7, 3:07 PM CDT, 4 hours 1 minute before

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Hazardous weather outlook, Jul 7, 4:00 PM CDT, 3 hours 8 minutes before

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In the hours before

Special weather statement, Jul 7, 6:42 PM CDT, 26 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
Jul 8, 5:06 PM CDT	Areal Flood Advisory	MQT	Luce	63 min

Nearby

Severe Thunderstorm Warnings in Michigan, 2008 Every severe thunderstorm warning in 2008

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.