Alert archive / Michigan / Mesoscale Discussions in 2004

Mesoscale Discussion 1388

June 23, 20045 states

The Storm Prediction Center issued this mesoscale discussion at Jun 23, 2004, 11:23 AM CDT for 5 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jun 23, 2004, 11:23 AM CDT (16:23 UTC)
Expired: Jun 23, 2004, 1:30 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center

All 95 counties

Cedar County, IA, Clinton County, IA, Des Moines County, IA, Henry County, IA, Jackson County, IA, Louisa County, IA, Muscatine County, IA, Scott County, IA, Boone County, IL, Bureau County, IL, Carroll County, IL, Cook County, IL, DeKalb County, IL, DuPage County, IL, Grundy County, IL, Henderson County, IL, Henry County, IL, Jo Daviess County, IL, Kane County, IL, Kankakee County, IL, Kendall County, IL, Knox County, IL, Lake County, IL, LaSalle County, IL, Lee County, IL, Livingston County, IL, Marshall County, IL, McHenry County, IL, Mercer County, IL, Ogle County, IL, Peoria County, IL, Putnam County, IL, Rock Island County, IL, Stark County, IL, Stephenson County, IL, Warren County, IL, Whiteside County, IL, Will County, IL, Winnebago County, IL, Jasper County, IN, Lake County, IN, LaPorte County, IN, Newton County, IN, Porter County, IN, Saint Joseph County, IN, Starke County, IN, Allegan County, MI, Antrim County, MI, Barry County, MI, Berrien County, MI, Calhoun County, MI, Cass County, MI, Cheboygan County, MI, Clare County, MI, Clinton County, MI, Crawford County, MI, Eaton County, MI, Emmet County, MI, Gladwin County, MI, Grand Traverse County, MI, Gratiot County, MI, Ionia County, MI, Isabella County, MI, Kalamazoo County, MI, Kalkaska County, MI, Kent County, MI, Lake County, MI, Manistee County, MI, Mason County, MI, Mecosta County, MI, Midland County, MI, Missaukee County, MI, Montcalm County, MI, Montmorency County, MI, Muskegon County, MI, Newaygo County, MI, Oceana County, MI, Ogemaw County, MI, Osceola County, MI, Oscoda County, MI, Otsego County, MI, Ottawa County, MI, Roscommon County, MI, Saint Joseph County, MI, Van Buren County, MI, Wexford County, MI, Green County, WI, Jefferson County, WI, Kenosha County, WI, Lafayette County, WI, Milwaukee County, WI, Racine County, WI, Rock County, WI, Walworth County, WI, Waukesha County, WI

The radar

The Milwaukee radar (KMKX), 111 km from the middle of the area, began a volume at 16:25 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 4.4 hours before the alert went out and 162 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1093 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 147 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 23, 3:45 PM CDT	Mesoscale Discussion	SPC	Boone, Jo Daviess, McHenry, Stephenson, Winnebago	90 min
Jun 23, 5:00 PM CDT	Severe Thunderstorm Watch	SPC	Boone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 6 more	6 hr
Jun 23, 6:40 PM CDT	Severe Thunderstorm Watch	SPC	Antrim, Benzie, Clare, Grand Traverse, Isabella, Kalkaska and 10 more	5 hr
Jun 23, 10:17 AM CDT	Mesoscale Discussion	SPC	Ashland, Barron, Bayfield, Burnett, Douglas, Dunn and 4 more	118 min
Jun 23, 4:05 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Barron, Buffalo, Chippewa, Clark, Dunn and 17 more	5 hr
Jun 23, 6:34 PM CDT	Mesoscale Discussion	SPC	Adams, Calumet, Columbia, Dodge, Fond du Lac, Green Lake and 14 more	116 min

Nearby

Mesoscale Discussions in Michigan, 2004 Mesoscale Discussions in Illinois, 2004 Mesoscale Discussions in Wisconsin, 2004 Every mesoscale discussion in 2004

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.