Alert archive / Minnesota / Mesoscale Discussions in 2013

Mesoscale Discussion 12

January 10, 201323 counties in Minnesota

The Storm Prediction Center issued this mesoscale discussion at Jan 10, 2013, 7:29 PM CST for 23 counties in Minnesota. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jan 10, 2013, 7:29 PM CST (01:29 UTC)
Expired
Jan 11, 2013, 12:30 AM CST
In force
5 hr
Issued by
the Storm Prediction Center
All 23 counties

Aitkin County, MN, Becker County, MN, Beltrami County, MN, Benton County, MN, Carlton County, MN, Cass County, MN, Clearwater County, MN, Cook County, MN, Crow Wing County, MN, Hubbard County, MN, Isanti County, MN, Itasca County, MN, Kanabec County, MN, Koochiching County, MN, Lake County, MN, Mahnomen County, MN, Mille Lacs County, MN, Morrison County, MN, Otter Tail County, MN, Pine County, MN, Saint Louis County, MN, Todd County, MN, Wadena County, MN

The radar

The Duluth radar (KDLH), 59 km from the middle of the area, began a volume at 01:29 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

International Fa, MN (KINL), launched 00:00Z, 1.5 hours before the alert went out and 150 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, International Fa, MN at 00:00Z on 2013-01-11Temperature 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, International Fa, MN at 00:00Z on 2013-01-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 394 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
2278 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
394 m²/s²
0-3 km storm-relative helicity
413 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
Jan 11, 5:54 PM CSTMesoscale DiscussionSPCKittson, Lake of the Woods, Marshall, Norman, Pennington, Polk and 2 more6 hr

Nearby

Mesoscale Discussions in Minnesota, 2013Every mesoscale discussion in 2013

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.