Alert archive / Minnesota / Mesoscale Discussions in 2016

Mesoscale Discussion 1544

August 16, 20164 states

The Storm Prediction Center issued this mesoscale discussion at Aug 16, 2016, 3:19 PM CDT for 4 states. It was in force for 116 min.

The area

The outline as issued.

The facts

Issued
Aug 16, 2016, 3:19 PM CDT (20:19 UTC)
Expired
Aug 16, 2016, 5:15 PM CDT
In force
116 min
Issued by
the Storm Prediction Center
Chance of a watch
20%
All 79 counties

Clay County, IA, Dickinson County, IA, Emmet County, IA, Hancock County, IA, Kossuth County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Palo Alto County, IA, Sioux County, IA, Winnebago County, IA, Anoka County, MN, Benton County, MN, Big Stone County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Chippewa County, MN, Chisago County, MN, Cottonwood County, MN, Crow Wing County, MN, Dakota County, MN, Douglas County, MN, Faribault County, MN, Freeborn County, MN, Grant County, MN, Hennepin County, MN, Isanti County, MN, Jackson County, MN, Kanabec County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Le Sueur County, MN, Lincoln 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, Otter Tail County, MN, Pipestone County, MN, Pope County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Rock County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Steele County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Traverse County, MN, Wadena County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wilkin County, MN, Wright County, MN, Yellow Medicine County, MN, Richland County, ND, Sargent County, ND, Brookings County, SD, Codington County, SD, Day County, SD, Deuel County, SD, Grant County, SD, Hamlin County, SD, Marshall County, SD, Minnehaha County, SD, Moody County, SD, Roberts County, SD

The radar

The Minneapolis radar (KMPX), 165 km from the middle of the area, began a volume at 20:23 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, 8.3 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2016-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 408 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 2016-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.1939Sfc1 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
408 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
979 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
111 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

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Nearby

Mesoscale Discussions in Minnesota, 2016Mesoscale Discussions in Iowa, 2016Mesoscale Discussions in South Dakota, 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.