Alert archive / Michigan / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 52, NWS Detroit, MI

June 27, 2013Oakland County, Michigan

NWS Detroit, MI issued this severe thunderstorm warning at Jun 27, 2013, 4:33 PM EDT for Oakland County, Michigan. It was in force for 57 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 27, 2013, 4:33 PM EDT (20:33 UTC)
Expired: Jun 27, 2013, 5:30 PM EDT
In force: 57 min
Issued by: NWS Detroit, MI
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Oakland County, MI

The radar

The Detroit radar (KDTX), 8 km from the middle of the area, began a volume at 20:34 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 12:00Z, 8.6 hours before the alert went out and 8 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: 1125 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 528 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: -17 m²/s²
0-3 km storm-relative helicity: -6 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

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 27, 3:51 PM EDT, 42 minutes earlier.

Area forecast discussion, Jun 27, 3:51 PM EDT, 42 minutes before

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Hazardous weather outlook, Jun 27, 4:03 PM EDT, 30 minutes before

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In the hours before

Special weather statement, Jun 27, 3:07 PM EDT, 1 hour 26 minutes before

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Local storm report, Jun 27, 3:30 PM EDT, 1 hour 3 minutes before

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Special weather statement, Jun 27, 3:46 PM EDT, 47 minutes before

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Local storm report, Jun 27, 3:57 PM EDT, 36 minutes before

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Special weather statement, Jun 27, 3:57 PM EDT, 36 minutes before

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Local storm report, Jun 27, 4:20 PM EDT, 13 minutes 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 27, 1:38 PM EDT	Special Marine Warning	DTX		97 min
Jun 27, 2:48 PM EDT	Areal Flood Advisory	DTX	Saginaw	6 hr
Jun 27, 2:53 PM EDT	Severe Thunderstorm Warning	DTX	Huron, Sanilac, Tuscola	97 min
Jun 27, 2:56 PM EDT	Areal Flood Advisory	DTX	Huron, Lapeer, Sanilac, Tuscola	3 hr
Jun 27, 4:08 PM EDT	Areal Flood Advisory	DTX	Genesee, Lapeer	3 hr
Jun 27, 4:09 PM EDT	Severe Thunderstorm Warning	DTX	Washtenaw	51 min
Jun 27, 4:35 PM EDT	Severe Thunderstorm Warning	DTX	Monroe	55 min
Jun 27, 4:44 PM EDT	Areal Flood Advisory	DTX	Macomb, Oakland	3 hr
Jun 27, 4:53 PM EDT	Special Marine Warning	DTX		67 min
Jun 27, 4:54 PM EDT	Areal Flood Advisory	DTX	Washtenaw, Wayne	3 hr
Jun 27, 5:10 PM EDT	Severe Thunderstorm Warning	DTX	Oakland	50 min
Jun 27, 5:25 PM EDT	Severe Thunderstorm Warning	DTX	Wayne	65 min
Jun 27, 5:29 PM EDT	Special Marine Warning	DTX		61 min
Jun 27, 5:34 PM EDT	Areal Flood Advisory	DTX	Livingston	3 hr
Jun 27, 5:49 PM EDT	Areal Flood Advisory	DTX	Lenawee, Monroe	3 hr

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.