Alert archive / Minnesota / Mesoscale Discussions in 2012

Mesoscale Discussion 1116

June 10, 201251 counties in Minnesota

The Storm Prediction Center issued this mesoscale discussion at Jun 10, 2012, 5:38 PM CDT for 51 counties in Minnesota. It was in force for 67 min.

The area

The outline as issued.

The facts

Issued
Jun 10, 2012, 5:38 PM CDT (22:38 UTC)
Expired
Jun 10, 2012, 6:45 PM CDT
In force
67 min
Issued by
the Storm Prediction Center
All 51 counties

Aitkin County, MN, Anoka County, MN, Beltrami County, MN, Benton County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Cass County, MN, Chippewa County, MN, Chisago County, MN, Clearwater County, MN, Cottonwood County, MN, Crow Wing County, MN, Dakota County, MN, Douglas County, MN, Faribault County, MN, Freeborn County, MN, Hennepin County, MN, Hubbard County, MN, Isanti County, MN, Itasca County, MN, Jackson County, MN, Kanabec County, MN, Kandiyohi County, MN, Koochiching County, MN, Le Sueur County, MN, Lyon County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Murray County, MN, Nicollet County, MN, Nobles County, MN, Pope County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Steele County, MN, Swift County, MN, Todd County, MN, Wadena County, MN, Waseca County, MN, Watonwan County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 118 km from the middle of the area, began a volume at 22:39 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 12:00Z, 10.6 hours before the alert went out and 116 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2012-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 73 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2012-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 182 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
73 J/kg
Mixed-layer CIN
-424 J/kg
Mixed-layer LCL
1491 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
182 m²/s²
0-3 km storm-relative helicity
142 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.

IssuedProductOfficeCountiesLasted
Jun 9, 8:02 PM CDTMesoscale DiscussionSPCKittson, Marshall, Roseau28 min
Jun 10, 12:45 AM CDTMesoscale DiscussionSPCClay, Wilkin60 min
Jun 10, 1:07 AM CDTSevere Thunderstorm WatchSPCBig Stone, Clay, Grant, Norman, Traverse, Wilkin6 hr
Jun 10, 1:34 PM CDTMesoscale DiscussionSPCAitkin, Benton, Brown, Cass, Chippewa, Cottonwood and 29 more56 min
Jun 10, 3:03 PM CDTSevere Thunderstorm WatchSPCAitkin, Anoka, Becker, Beltrami, Benton, Blue Earth and 58 more8 hr

Nearby

Mesoscale Discussions in Minnesota, 2012Every mesoscale discussion in 2012

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.