Alert archive / Minnesota / Mesoscale Discussions in 2008

Mesoscale Discussion 1384

June 14, 200828 counties in Minnesota; 17 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Jun 14, 2008, 9:48 PM CDT for 28 counties in Minnesota; 17 counties in Wisconsin. It was in force for 87 min.

The area

The outline as issued.

The facts

Issued: Jun 14, 2008, 9:48 PM CDT (02:48 UTC)
Expired: Jun 14, 2008, 11:15 PM CDT
In force: 87 min
Issued by: the Storm Prediction Center

All 45 counties

Aitkin County, MN, Anoka County, MN, Benton County, MN, Carlton County, MN, Carver County, MN, Cass County, MN, Chisago County, MN, Crow Wing County, MN, Dakota County, MN, Goodhue County, MN, Hennepin County, MN, Isanti County, MN, Itasca County, MN, Kanabec County, MN, Lake County, MN, Mille Lacs County, MN, Morrison County, MN, Olmsted County, MN, Pine County, MN, Ramsey County, MN, Rice County, MN, Saint Louis County, MN, Scott County, MN, Sherburne County, MN, Wabasha County, MN, Washington County, MN, Winona County, MN, Wright County, MN, Barron County, WI, Bayfield County, WI, Buffalo County, WI, Burnett County, WI, Chippewa County, WI, Douglas County, WI, Dunn County, WI, Eau Claire County, WI, Jackson County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Rusk County, WI, Saint Croix County, WI, Sawyer County, WI, Trempealeau County, WI, Washburn County, WI

The radar

The Duluth radar (KDLH), 85 km from the middle of the area, began a volume at 02:48 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

Minneapolis, MN (KMPX), launched 00:00Z, 2.8 hours before the alert went out and 161 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: 2538 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 131 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 14, 8:25 PM CDT	Mesoscale Discussion	SPC	Becker, Beltrami, Big Stone, Clay, Clearwater, Douglas and 15 more	65 min
Jun 14, 11:36 PM CDT	Mesoscale Discussion	SPC	Aitkin, Anoka, Benton, Carlton, Carver, Chisago and 15 more	54 min
Jun 15, 2:01 AM CDT	Severe Thunderstorm Watch	SPC	Crawford, Grant, Richland	5 hr
Jun 15, 1:08 PM CDT	Mesoscale Discussion	SPC	Adams, Calumet, Columbia, Crawford, Dane, Dodge and 19 more	97 min
Jun 15, 5:56 PM CDT	Mesoscale Discussion	SPC	Florence, Forest, Iron, Langlade, Lincoln, Marathon and 11 more	2 hr

Nearby

Mesoscale Discussions in Minnesota, 2008 Mesoscale Discussions in Wisconsin, 2008 Every mesoscale discussion 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.