Alert archive / Indiana / Mesoscale Discussions in 2005

Mesoscale Discussion 2434

November 15, 20058 counties in Indiana; 6 counties in Michigan; 7 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at Nov 15, 2005, 4:40 PM EST for 8 counties in Indiana; 6 counties in Michigan; 7 counties in Ohio. It was in force for 95 min.

The area

The outline as issued.

The facts

Issued
Nov 15, 2005, 4:40 PM EST (21:40 UTC)
Expired
Nov 15, 2005, 6:15 PM EST
In force
95 min
Issued by
the Storm Prediction Center
All 21 counties

Allen County, IN, DeKalb County, IN, Kosciusko County, IN, LaGrange County, IN, Marshall County, IN, Noble County, IN, Steuben County, IN, Whitley County, IN, Branch County, MI, Hillsdale County, MI, Lenawee County, MI, Monroe County, MI, Washtenaw County, MI, Wayne County, MI, Defiance County, OH, Fulton County, OH, Henry County, OH, Lucas County, OH, Paulding County, OH, Williams County, OH, Wood County, OH

The radar

The Northern Indiana radar (KIWX), 77 km from the middle of the area, began a volume at 21:41 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.7 hours before the alert went out and 254 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, Cncnati-Daytn, OH at 12:00Z on 2005-11-15Temperature 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, Cncnati-Daytn, OH at 12:00Z on 2005-11-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -35 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
641 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
-35 m²/s²
0-3 km storm-relative helicity
166 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 14, 9:56 PM ESTMesoscale DiscussionSPCDubois, Gibson, Pike, Posey, Spencer, Vanderburgh and 1 more3 hr
Nov 14, 11:00 PM ESTTornado WatchSPCCrawford, Harrison, Perry, Posey, Spencer, Vanderburgh and 1 more7 hr
Nov 15, 3:22 AM ESTMesoscale DiscussionSPCHarrison, Perry, Spencer, Vanderburgh113 min
Nov 15, 9:31 AM ESTMesoscale DiscussionSPCBartholomew, Boone, Brown, Clay, Crawford, Daviess and 26 more59 min
Nov 15, 11:13 AM ESTMesoscale DiscussionSPCDaviess, Dubois, Gibson, Greene, Knox, Martin and 6 more2 hr
Nov 15, 11:13 AM ESTTornado WatchSPCClay, Crawford, Daviess, Dubois, Gibson, Greene and 16 more7 hr
Nov 15, 12:55 PM ESTMesoscale DiscussionSPCAdams, Bartholomew, Blackford, Brown, Clark, Dearborn and 30 more2 hr
Nov 15, 1:34 PM ESTMesoscale DiscussionSPCClay, Daviess, Dubois, Gibson, Greene, Knox and 11 more116 min
Nov 15, 2:32 PM ESTMesoscale DiscussionSPCBartholomew, Boone, Brown, Clark, Clay, Crawford and 49 more88 min
Nov 15, 3:01 PM ESTTornado WatchSPCAdams, Allen, Bartholomew, Blackford, Boone, Brown and 61 more7 hr
Nov 15, 6:06 PM ESTTornado WatchSPCLenawee, Livingston, Macomb, Monroe, Oakland, Washtenaw and 1 more6 hr

Nearby

Mesoscale Discussions in Indiana, 2005Mesoscale Discussions in Ohio, 2005Mesoscale Discussions in Michigan, 2005Every mesoscale discussion in 2005

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.