Alert archive / Minnesota / Mesoscale Discussions in 2016

Mesoscale Discussion 1022

June 22, 201630 counties in Minnesota; Pierce County, Polk County, Saint Croix County, Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Jun 22, 2016, 5:43 PM CDT for 30 counties in Minnesota; Pierce County, Polk County, Saint Croix County, Wisconsin. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jun 22, 2016, 5:43 PM CDT (22:43 UTC)
Expired
Jun 22, 2016, 7:45 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
Chance of a watch
20%
All 33 counties

Anoka County, MN, Benton County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Chisago County, MN, Crow Wing County, MN, Dakota County, MN, Dodge County, MN, Goodhue County, MN, Hennepin County, MN, Isanti County, MN, Kanabec County, MN, Le Sueur County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Nicollet County, MN, Ramsey County, MN, Rice County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Steele County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wright County, MN, Pierce County, WI, Polk County, WI, Saint Croix County, WI

The radar

The Minneapolis radar (KMPX), 34 km from the middle of the area, began a volume at 22:44 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, 10.7 hours before the alert went out and 33 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 2016-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2016-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -118 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1963 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
-118 m²/s²
0-3 km storm-relative helicity
7 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 21, 9:49 PM CDTMesoscale DiscussionSPCNobles, Rock26 min
Jun 21, 10:21 PM CDTSevere Thunderstorm WatchSPCJackson, Nobles, Rock7 hr
Jun 22, 2:31 AM CDTMesoscale DiscussionSPCJackson, Nobles, Rock119 min
Jun 22, 4:43 AM CDTMesoscale DiscussionSPCNobles, Rock92 min
Jun 22, 3:38 PM CDTMesoscale DiscussionSPCGrant, Green, Iowa, Lafayette, Rock, Walworth97 min

Nearby

Mesoscale Discussions in Minnesota, 2016Mesoscale Discussions in Wisconsin, 2016Every mesoscale discussion in 2016

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.