Alert archive / Minnesota / Mesoscale Discussions in 2006

Mesoscale Discussion 2182

November 9, 20068 counties in Iowa; 22 counties in Minnesota; Pierce County, Wisconsin

The Storm Prediction Center issued this mesoscale discussion at Nov 9, 2006, 11:47 PM CST for 8 counties in Iowa; 22 counties in Minnesota; Pierce County, Wisconsin. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Nov 9, 2006, 11:47 PM CST (05:47 UTC)
Expired
Nov 10, 2006, 5:45 AM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 31 counties

Clay County, IA, Dickinson County, IA, Emmet County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Blue Earth County, MN, Brown County, MN, Cottonwood County, MN, Dakota County, MN, Dodge County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Jackson County, MN, Le Sueur County, MN, Martin County, MN, Nicollet County, MN, Nobles County, MN, Olmsted County, MN, Rice County, MN, Rock County, MN, Scott County, MN, Sibley County, MN, Steele County, MN, Wabasha County, MN, Waseca County, MN, Watonwan County, MN, Pierce County, WI

The radar

The Minneapolis radar (KMPX), 162 km from the middle of the area, began a volume at 05:48 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 00:00Z, 5.8 hours before the alert went out and 160 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 00:00Z on 2006-11-10Temperature 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 00:00Z on 2006-11-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -163 square meters per square second.1939587897117Sfc1 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
1395 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
-163 m²/s²
0-3 km storm-relative helicity
146 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
Nov 10, 7:03 AM CSTMesoscale DiscussionSPCCerro Gordo, Hancock, Humboldt, Kossuth, Mitchell, Palo Alto and 4 more4 hr
Nov 10, 9:34 AM CSTMesoscale DiscussionSPCCedar, Clayton, Clinton, Delaware, Des Moines, Dubuque and 9 more116 min
Nov 10, 12:03 PM CSTMesoscale DiscussionSPCAllamakee, Winneshiek4 hr
Nov 10, 12:17 PM CSTMesoscale DiscussionSPCDavis, Des Moines, Henry, Jefferson, Lee, Louisa and 2 more58 min
Nov 10, 12:47 PM CSTSevere Thunderstorm WatchSPCDes Moines, Henry, Jefferson, Lee, Louisa, Muscatine and 3 more5 hr

Nearby

Mesoscale Discussions in Minnesota, 2006Mesoscale Discussions in Iowa, 2006Mesoscale Discussions in Wisconsin, 2006Every mesoscale discussion in 2006

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.