Alert archive / Indiana / Mesoscale Discussions in 2006

Mesoscale Discussion 16

January 2, 20067 counties in Illinois; 37 counties in Indiana

The Storm Prediction Center issued this mesoscale discussion at Jan 2, 2006, 10:21 AM CST for 7 counties in Illinois; 37 counties in Indiana. It was in force for 84 min.

The area

The outline as issued.

The facts

Issued: Jan 2, 2006, 10:21 AM CST (16:21 UTC)
Expired: Jan 2, 2006, 11:45 AM CST
In force: 84 min
Issued by: the Storm Prediction Center

All 44 counties

Clark County, IL, Crawford County, IL, Edgar County, IL, Jasper County, IL, Lawrence County, IL, Richland County, IL, Vermilion County, IL, Bartholomew County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Clay County, IN, Clinton County, IN, Daviess County, IN, Decatur County, IN, Fountain County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Jackson County, IN, Jefferson County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Orange County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Rush County, IN, Scott County, IN, Shelby County, IN, Sullivan County, IN, Tippecanoe County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN, Washington County, IN

The radar

The Indianapolis radar (KIND), 53 km from the middle of the area, began a volume at 16:23 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.

Severe Thunderstorm Watch 7Jan 2, 11:55 AM CST

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 4.4 hours before the alert went out and 167 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: 775 J/kg
Mixed-layer CIN: -112 J/kg
Mixed-layer LCL: 841 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 253 m²/s²
0-3 km storm-relative helicity: 239 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.6

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
Jan 1, 10:55 PM CST	Tornado Watch	SPC	Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 4 more	7 hr
Jan 2, 1:25 AM CST	Mesoscale Discussion	SPC	Adams, Bond, Brown, Calhoun, Cass, Clinton and 14 more	95 min
Jan 2, 2:15 AM CST	Tornado Watch	SPC	Bond, Calhoun, Christian, Clay, Clinton, Edwards and 25 more	7 hr
Jan 2, 3:01 AM CST	Mesoscale Discussion	SPC	Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 4 more	59 min
Jan 2, 4:31 AM CST	Mesoscale Discussion	SPC	Adams, Bond, Brown, Calhoun, Cass, Christian and 47 more	59 min
Jan 2, 5:38 AM CST	Tornado Watch	SPC	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	6 hr
Jan 2, 7:14 AM CST	Mesoscale Discussion	SPC	Bond, Cass, Champaign, Christian, Clark, Clay and 30 more	31 min
Jan 2, 7:35 AM CST	Tornado Watch	SPC	Champaign, Clark, Clay, Coles, Crawford, Cumberland and 12 more	4 hr
Jan 2, 7:57 AM CST	Mesoscale Discussion	SPC	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	93 min
Jan 2, 11:30 AM CST	Mesoscale Discussion	SPC	Bartholomew, Brown, Clark, Clay, Crawford, Daviess and 32 more	90 min
Jan 2, 11:59 AM CST	Severe Thunderstorm Watch	SPC	Bartholomew, Boone, Brown, Clark, Clay, Crawford and 41 more	7 hr
Jan 2, 12:28 PM CST	Mesoscale Discussion	SPC	Adams, Allen, Blackford, Carroll, Cass, Clinton and 21 more	92 min
Jan 2, 2:53 PM CST	Mesoscale Discussion	SPC	Bartholomew, Boone, Brown, Clark, Clay, Crawford and 39 more	97 min

Nearby

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