Alert archive / Michigan / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 60, NWS Detroit, MI

June 15, 2008Lenawee County, Michigan

NWS Detroit, MI issued this severe thunderstorm warning at Jun 15, 2008, 6:35 PM EDT for Lenawee County, Michigan. It was in force for 32 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: Jun 15, 2008, 6:35 PM EDT (22:35 UTC)
Expired: Jun 15, 2008, 7:07 PM EDT
In force: 32 min
Issued by: NWS Detroit, MI
Area: Storm-based polygon

County Lenawee County, MI

The radar

The Detroit radar (KDTX), 102 km from the middle of the area, began a volume at 22:37 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
Jun 15, 1:38 PM EDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 10.6 hours before the alert went out and 106 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: 152 J/kg
Mixed-layer CIN: -63 J/kg
Mixed-layer LCL: 1650 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 83 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 Detroit, MI wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 15, 4:19 PM EDT, 2 hours 16 minutes earlier.

Area forecast discussion, Jun 15, 4:19 PM EDT, 2 hours 16 minutes before

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Hazardous weather outlook, Jun 15, 3:45 PM EDT, 2 hours 50 minutes before

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In the hours before

Local storm report, Jun 15, 1:33 PM EDT, 5 hours 2 minutes before

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Local storm report, Jun 15, 1:42 PM EDT, 4 hours 53 minutes before

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Local storm report, Jun 15, 1:50 PM EDT, 4 hours 45 minutes before

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Local storm report, Jun 15, 2:09 PM EDT, 4 hours 26 minutes before

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Local storm report, Jun 15, 2:52 PM EDT, 3 hours 43 minutes before

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Special weather statement, Jun 15, 5:34 PM EDT, 1 hour 1 minute before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 15, 1:18 PM EDT	Severe Thunderstorm Warning	DTX	Oakland, Washtenaw, Wayne	72 min
Jun 15, 2:04 PM EDT	Special Marine Warning	DTX		56 min
Jun 15, 2:36 PM EDT	Special Marine Warning	DTX		55 min
Jun 15, 3:24 PM EDT	Special Marine Warning	DTX		66 min
Jun 15, 5:46 PM EDT	Special Marine Warning	DTX		119 min
Jun 15, 6:46 PM EDT	Severe Thunderstorm Warning	DTX	Huron	39 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; radar from the NEXRAD Level II archive.