Alert archive / Indiana / Mesoscale Discussions in 2006

Mesoscale Discussion 150

February 16, 200647 counties in Indiana; Berrien County, Cass County, Saint Joseph County, Michigan

The Storm Prediction Center issued this mesoscale discussion at Feb 16, 2006, 4:26 PM EST for 47 counties in Indiana; Berrien County, Cass County, Saint Joseph County, Michigan. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued
Feb 16, 2006, 4:26 PM EST (21:26 UTC)
Expired
Feb 16, 2006, 6:00 PM EST
In force
94 min
Issued by
the Storm Prediction Center
All 50 counties

Allen County, IN, Benton County, IN, Blackford County, IN, Boone County, IN, Carroll County, IN, Cass County, IN, Clay County, IN, Clinton County, IN, DeKalb County, IN, Delaware County, IN, Elkhart County, IN, Fountain County, IN, Fulton County, IN, Grant County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Huntington County, IN, Jasper County, IN, Johnson County, IN, Kosciusko County, IN, LaGrange County, IN, LaPorte County, IN, Madison County, IN, Marion County, IN, Marshall County, IN, Miami County, IN, Montgomery County, IN, Morgan County, IN, Noble County, IN, Parke County, IN, Porter County, IN, Pulaski County, IN, Putnam County, IN, Rush County, IN, Saint Joseph County, IN, Starke County, IN, Steuben County, IN, Tippecanoe County, IN, Tipton County, IN, Wabash County, IN, Warren County, IN, Wells County, IN, White County, IN, Whitley County, IN, Berrien County, MI, Cass County, MI, Saint Joseph County, MI

The radar

The Northern Indiana radar (KIWX), 80 km from the middle of the area, began a volume at 21:26 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.4 hours before the alert went out and 200 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, Lincoln, IL at 12:00Z on 2006-02-16Temperature 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, Lincoln, IL at 12:00Z on 2006-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 548 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
372 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
548 m²/s²
0-3 km storm-relative helicity
589 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

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
Feb 16, 10:41 AM ESTMesoscale DiscussionSPCLake, Porter2 hr
Feb 16, 2:16 PM ESTTornado WatchSPCBenton, Jasper, Newton7 hr
Feb 16, 4:55 PM ESTTornado WatchSPCAdams, Allen, Bartholomew, Blackford, Boone, Brown and 59 more6 hr
Feb 16, 5:55 PM ESTMesoscale DiscussionSPCBenton, Crawford, Dubois, Fountain, Gibson, Harrison and 12 more95 min
Feb 16, 6:13 PM ESTTornado WatchSPCClark, Crawford, Dubois, Floyd, Gibson, Harrison and 10 more6 hr
Feb 16, 6:59 PM ESTMesoscale DiscussionSPCAdams, Allen, Bartholomew, Blackford, Boone, Brown and 58 more61 min
Feb 15, 11:40 PM ESTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Arenac, Bay, Benzie and 35 more5 hr
Feb 16, 11:06 AM ESTMesoscale DiscussionSPCAlcona, Alpena, Antrim, Arenac, Bay, Benzie and 45 more6 hr

Nearby

Mesoscale Discussions in Indiana, 2006Mesoscale Discussions in Michigan, 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.