Alert archive / Indiana / Mesoscale Discussions in 2006

Mesoscale Discussion 970

May 25, 20064 states

The Storm Prediction Center issued this mesoscale discussion at May 25, 2006, 12:00 PM CDT for 4 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: May 25, 2006, 12:00 PM CDT (17:00 UTC)
Expired: May 25, 2006, 2:00 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center

All 95 counties

Clark County, IL, Clay County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, Douglas County, IL, Edgar County, IL, Edwards County, IL, Effingham County, IL, Jasper County, IL, Jefferson County, IL, Lawrence County, IL, Richland County, IL, Vermilion County, IL, Wabash County, IL, Wayne County, IL, Adams County, IN, Allen County, IN, Benton County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Cass County, IN, Clay County, IN, Clinton County, IN, Daviess County, IN, DeKalb County, IN, Delaware County, IN, Elkhart County, IN, Fountain County, IN, Fulton County, IN, Grant County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Huntington County, IN, Jay County, IN, Johnson County, IN, Knox County, IN, Kosciusko County, IN, LaGrange County, IN, Madison County, IN, Marion County, IN, Marshall County, IN, Martin County, IN, Miami County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Noble County, IN, Owen County, IN, Parke County, IN, Pulaski County, IN, Putnam County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Steuben County, IN, Sullivan County, IN, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Vigo County, IN, Wabash County, IN, Warren County, IN, Wells County, IN, White County, IN, Whitley County, IN, Branch County, MI, Calhoun County, MI, Hillsdale County, MI, Jackson County, MI, Lenawee County, MI, Monroe County, MI, Saint Joseph County, MI, Washtenaw County, MI, Allen County, OH, Auglaize County, OH, Darke County, OH, Defiance County, OH, Fulton County, OH, Hancock County, OH, Henry County, OH, Lucas County, OH, Mercer County, OH, Paulding County, OH, Putnam County, OH, Shelby County, OH, Van Wert County, OH, Williams County, OH, Wood County, OH

The radar

The Northern Indiana radar (KIWX), 90 km from the middle of the area, began a volume at 17:03 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, 5.0 hours before the alert went out and 223 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 39 J/kg
Mixed-layer CIN: -165 J/kg
Mixed-layer LCL: 827 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 257 m²/s²
0-3 km storm-relative helicity: 262 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.

Issued	Product	Office	Counties	Lasted
May 24, 8:59 PM CDT	Mesoscale Discussion	SPC	Edwards, Wabash	91 min
May 25, 1:34 PM CDT	Tornado Watch	SPC	Clark, Clay, Crawford, Cumberland, Edgar, Edwards and 11 more	7 hr
May 25, 2:50 PM CDT	Mesoscale Discussion	SPC	Clark, Crawford, Edgar, Edwards, Hamilton, Jasper and 5 more	85 min
May 25, 3:51 PM CDT	Mesoscale Discussion	SPC	Alexander, Johnson, Massac, Pulaski, Union	54 min
May 25, 4:44 PM CDT	Mesoscale Discussion	SPC	Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 9 more	91 min
May 25, 5:16 PM CDT	Tornado Watch	SPC	Alexander, Gallatin, Hardin, Jackson, Johnson, Massac and 5 more	8 hr
May 25, 2:43 PM CDT	Tornado Watch	SPC	Dearborn, Ohio, Switzerland	8 hr
May 25, 2:14 PM CDT	Tornado Watch	SPC	Allegan, Barry, Bay, Calhoun, Clinton, Eaton and 28 more	6 hr
May 25, 2:21 PM CDT	Mesoscale Discussion	SPC	Adams, Ashland, Athens, Brown, Champaign, Clark and 51 more	54 min
May 25, 6:04 PM CDT	Mesoscale Discussion	SPC	Ashtabula, Belmont, Carroll, Columbiana, Coshocton, Geauga and 11 more	86 min

Nearby

Mesoscale Discussions in Indiana, 2006 Mesoscale Discussions in Illinois, 2006 Mesoscale Discussions in Ohio, 2006 Every 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.