Alert archive / Missouri / Mesoscale Discussions in 2020

Mesoscale Discussion 12

January 10, 20208 counties in Kansas; 10 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Jan 10, 2020, 12:11 PM CST for 8 counties in Kansas; 10 counties in Missouri. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jan 10, 2020, 12:11 PM CST (18:11 UTC)
Expired: Jan 10, 2020, 2:15 PM CST
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 60%

Counties Allen County, KS, Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Barton County, MO, Cedar County, MO, Dade County, MO, Greene County, MO, Hickory County, MO, Jasper County, MO, Lawrence County, MO, Polk County, MO, St. Clair County, MO, Vernon County, MO

The radar

The Springfield radar (KSGF), 105 km from the middle of the area, began a volume at 18:15 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 nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 6.2 hours before the alert went out and 98 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: 619 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 540 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 176 m²/s²
0-3 km storm-relative helicity: 178 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 10, 6:30 AM CST	Mesoscale Discussion	SPC	Harper, Sumner	60 min
Jan 10, 7:44 AM CST	Severe Thunderstorm Watch	SPC	Allen, Butler, Chautauqua, Cowley, Elk, Greenwood and 8 more	67 days
Jan 10, 9:12 AM CST	Mesoscale Discussion	SPC	Chautauqua, Montgomery	93 min
Jan 10, 12:54 PM CST	Mesoscale Discussion	SPC	Atchison, Brown, Chase, Clay, Dickinson, Doniphan and 19 more	6 hr
Jan 10, 1:21 PM CST	Mesoscale Discussion	SPC	Butler, Chautauqua, Cowley, Elk, Greenwood, Labette and 5 more	54 min
Jan 10, 10:42 AM CST	Tornado Watch	SPC	Barry, McDonald, Newton	10 hr
Jan 10, 1:44 PM CST	Mesoscale Discussion	SPC	McDonald, Newton	91 min
Jan 10, 4:55 PM CST	Mesoscale Discussion	SPC	Barry, Carter, Christian, Dent, Douglas, Howell and 9 more	2 hr
Jan 10, 5:34 PM CST	Tornado Watch	SPC	Christian, Dent, Douglas, Greene, Howell, Oregon and 7 more	11 hr

Nearby

Mesoscale Discussions in Missouri, 2020 Mesoscale Discussions in Kansas, 2020 Every mesoscale discussion in 2020

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.