Alert archive / Wisconsin / Mesoscale Discussions in 2013

Mesoscale Discussion 11

January 10, 20134 counties in Michigan; 21 counties in Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Jan 10, 2013, 7:23 PM EST for 4 counties in Michigan; 21 counties in Wisconsin. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jan 10, 2013, 7:23 PM EST (00:23 UTC)
Expired
Jan 11, 2013, 1:30 AM EST
In force
6 hr
Issued by
the Storm Prediction Center
All 25 counties

Baraga County, MI, Dickinson County, MI, Gogebic County, MI, Iron County, MI, Ashland County, WI, Barron County, WI, Bayfield County, WI, Burnett County, WI, Chippewa County, WI, Clark County, WI, Douglas County, WI, Florence County, WI, Forest County, WI, Iron County, WI, Langlade County, WI, Lincoln County, WI, Marathon County, WI, Oneida County, WI, Polk County, WI, Price County, WI, Rusk County, WI, Sawyer County, WI, Taylor County, WI, Vilas County, WI, Washburn County, WI

The radar

The Duluth radar (KDLH), 162 km from the middle of the area, began a volume at 00:25 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, 0.4 hours before the alert went out and 356 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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Nearby

Mesoscale Discussions in Wisconsin, 2013Mesoscale Discussions in Michigan, 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.