Alert archive / Missouri / Mesoscale Discussions in 2005

Mesoscale Discussion 68

January 12, 200515 counties in Arkansas; 46 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Jan 12, 2005, 3:03 PM CST for 15 counties in Arkansas; 46 counties in Missouri. It was in force for 87 min.

The area

The outline as issued.

The facts

Issued: Jan 12, 2005, 3:03 PM CST (21:03 UTC)
Expired: Jan 12, 2005, 4:30 PM CST
In force: 87 min
Issued by: the Storm Prediction Center

All 61 counties

Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Johnson County, AR, Logan County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Washington County, AR, Audrain County, MO, Barry County, MO, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Christian County, MO, Cole County, MO, Cooper County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Hickory County, MO, Howard County, MO, Howell County, MO, Laclede County, MO, Lawrence County, MO, Lincoln County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Morgan County, MO, Osage County, MO, Ozark County, MO, Pettis County, MO, Phelps County, MO, Pike County, MO, Polk County, MO, Pulaski County, MO, Ralls County, MO, Randolph County, MO, Shelby County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Warren County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 94 km from the middle of the area, began a volume at 21:07 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

Springfield, MO (KSGF), launched 12:00Z, 9.1 hours before the alert went out and 146 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: 145 J/kg
Mixed-layer CIN: -298 J/kg
Mixed-layer LCL: 1135 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 453 m²/s²
0-3 km storm-relative helicity: 456 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
Jan 12, 3:35 PM CST	Severe Thunderstorm Watch	SPC	Baxter, Benton, Boone, Carroll, Crawford, Franklin and 9 more	6 hr
Jan 12, 4:52 PM CST	Mesoscale Discussion	SPC	Clark, Conway, Garland, Hempstead, Hot Spring, Howard and 11 more	83 min
Jan 12, 5:25 PM CST	Severe Thunderstorm Watch	SPC	Clark, Conway, Garland, Hempstead, Hot Spring, Howard and 15 more	6 hr
Jan 12, 7:06 AM CST	Mesoscale Discussion	SPC	Andrew, Atchison, Buchanan, Gentry, Holt, Nodaway and 1 more	5 hr
Jan 12, 10:42 AM CST	Mesoscale Discussion	SPC	Andrew, Buchanan, Caldwell, Clinton, Daviess, DeKalb and 8 more	63 min
Jan 12, 12:29 PM CST	Mesoscale Discussion	SPC	Andrew, Buchanan, DeKalb, Gentry, Harrison, Holt and 2 more	4 hr
Jan 12, 3:05 PM CST	Severe Thunderstorm Watch	SPC	McDonald, Newton	7 hr
Jan 12, 4:25 PM CST	Mesoscale Discussion	SPC	Marion	2 hr
Jan 12, 5:38 PM CST	Mesoscale Discussion	SPC	McDonald, Newton	97 min

Nearby

Mesoscale Discussions in Missouri, 2005 Mesoscale Discussions in Arkansas, 2005 Every 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.