Alert archive / Ohio / Mesoscale Discussions in 2005

Mesoscale Discussion 1552

June 30, 20057 counties in Michigan; 14 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at Jun 30, 2005, 11:33 AM EDT for 7 counties in Michigan; 14 counties in Ohio. It was in force for 117 min.

The area

The outline as issued.

The facts

Issued: Jun 30, 2005, 11:33 AM EDT (15:33 UTC)
Expired: Jun 30, 2005, 1:30 PM EDT
In force: 117 min
Issued by: the Storm Prediction Center

All 21 counties

Lenawee County, MI, Livingston County, MI, Macomb County, MI, Monroe County, MI, Oakland County, MI, Washtenaw County, MI, Wayne County, MI, Allen County, OH, Defiance County, OH, Fulton County, OH, Hancock County, OH, Henry County, OH, Lucas County, OH, Ottawa County, OH, Paulding County, OH, Putnam County, OH, Sandusky County, OH, Van Wert County, OH, Williams County, OH, Wood County, OH, Wyandot County, OH

The radar

The Detroit radar (KDTX), 105 km from the middle of the area, began a volume at 15:36 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, 3.6 hours before the alert went out and 108 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: 444 J/kg
Mixed-layer CIN: -109 J/kg
Mixed-layer LCL: 1088 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 63 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 30, 8:27 AM EDT	Mesoscale Discussion	SPC	Branch, Calhoun, Eaton, Genesee, Hillsdale, Ingham and 9 more	2 hr
Jun 30, 9:40 AM EDT	Severe Thunderstorm Watch	SPC	Branch, Hillsdale, Ingham, Jackson, Lenawee, Livingston and 5 more	5 hr
Jun 30, 3:09 PM EDT	Mesoscale Discussion	SPC	Allegan, Barry, Berrien, Branch, Calhoun, Cass and 4 more	96 min
Jun 30, 4:40 PM EDT	Severe Thunderstorm Watch	SPC	Barry, Branch, Calhoun, Cass, Clinton, Eaton and 15 more	6 hr
Jun 30, 7:16 PM EDT	Mesoscale Discussion	SPC	Branch, Calhoun, Hillsdale, Ingham, Jackson, Lenawee and 1 more	89 min
Jun 30, 7:55 PM EDT	Severe Thunderstorm Watch	SPC	Lenawee, Monroe	7 hr
Jun 30, 12:20 PM EDT	Severe Thunderstorm Watch	SPC	Ashland, Ashtabula, Belmont, Carroll, Columbiana, Coshocton and 34 more	5 hr
Jun 30, 2:27 PM EDT	Mesoscale Discussion	SPC	Ashland, Belmont, Carroll, Columbiana, Coshocton, Cuyahoga and 27 more	2 hr
Jun 30, 3:20 PM EDT	Severe Thunderstorm Watch	SPC	Adams, Athens, Gallia, Jackson, Lawrence, Meigs and 4 more	8 hr
Jun 30, 4:47 PM EDT	Mesoscale Discussion	SPC	Adams, Gallia, Jackson, Lawrence, Meigs, Scioto	88 min
Jun 30, 7:05 PM EDT	Mesoscale Discussion	SPC	Hamilton	85 min

Nearby

Mesoscale Discussions in Ohio, 2005 Mesoscale Discussions in Michigan, 2005 Every mesoscale discussion in 2005

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.