Alert archive / Michigan / Mesoscale Discussions in 2003

Mesoscale Discussion 1994

July 26, 20036 counties in Michigan

The Storm Prediction Center issued this mesoscale discussion at Jul 26, 2003, 10:07 PM EDT for 6 counties in Michigan. It was in force for 53 min.

The area

The outline as issued.

The facts

Issued: Jul 26, 2003, 10:07 PM EDT (02:07 UTC)
Expired: Jul 26, 2003, 11:00 PM EDT
In force: 53 min
Issued by: the Storm Prediction Center

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

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 2.1 hours before the alert went out and 199 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: 533 J/kg
Mixed-layer CIN: -326 J/kg
Mixed-layer LCL: 995 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 106 m²/s²
0-3 km storm-relative helicity: 141 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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
Jul 26, 8:46 PM EDT	Mesoscale Discussion	SPC	Baraga, Delta, Dickinson, Gogebic, Houghton, Iron and 3 more	89 min
Jul 27, 12:30 PM EDT	Severe Thunderstorm Watch	SPC	Berrien	6 hr
Jul 27, 3:29 PM EDT	Mesoscale Discussion	SPC	Berrien, Branch, Cass, Saint Joseph	91 min

Nearby

Mesoscale Discussions in Michigan, 2003 Every mesoscale discussion in 2003

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.