Alert archive / Missouri / Mesoscale Discussions in 2013

Mesoscale Discussion 65

January 29, 20137 counties in Kansas; 33 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Jan 29, 2013, 12:51 AM CST for 7 counties in Kansas; 33 counties in Missouri. It was in force for 84 min.

The area

The outline as issued.

The facts

Issued: Jan 29, 2013, 12:51 AM CST (06:51 UTC)
Expired: Jan 29, 2013, 2:15 AM CST
In force: 84 min
Issued by: the Storm Prediction Center
Chance of a watch: 60%

All 40 counties

Bourbon County, KS, Crawford County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Wyandotte County, KS, Barton County, MO, Bates County, MO, Benton County, MO, Buchanan County, MO, Caldwell County, MO, Camden County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Cooper County, MO, Dade County, MO, Dallas County, MO, Daviess County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Livingston County, MO, Moniteau County, MO, Morgan County, MO, Pettis County, MO, Platte County, MO, Polk County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, St. Clair County, MO, Vernon County, MO

The radar

The Pleasant Hill radar (KEAX), 44 km from the middle of the area, began a volume at 06:51 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

Topeka, KS (KTOP), launched 00:00Z, 6.9 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: 314 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 1290 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 209 m²/s²
0-3 km storm-relative helicity: 387 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 4.2

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 29, 5:41 AM CST	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Cherokee, Crawford, Elk and 9 more	94 min
Jan 29, 7:26 AM CST	Tornado Watch	SPC	Bourbon, Cherokee, Crawford, Labette, Linn, Miami and 2 more	10 hr
Jan 29, 11:05 AM CST	Mesoscale Discussion	SPC	Cherokee	55 min
Jan 29, 11:54 AM CST	Mesoscale Discussion	SPC	Audrain, Bollinger, Boone, Butler, Callaway, Carter and 36 more	96 min
Jan 29, 12:35 PM CST	Tornado Watch	SPC	Audrain, Boone, Callaway, Cole, Crawford, Dent and 32 more	7 hr
Jan 29, 1:19 PM CST	Mesoscale Discussion	SPC	Audrain, Barry, Callaway, Camden, Christian, Cole and 17 more	56 min
Jan 29, 3:31 PM CST	Mesoscale Discussion	SPC	Crawford, Dent, Douglas, Franklin, Gasconade, Howell and 17 more	89 min
Jan 29, 5:37 PM CST	Tornado Watch	SPC	Dunklin, Pemiscot	8 hr

Nearby

Mesoscale Discussions in Missouri, 2013 Mesoscale Discussions in Kansas, 2013 Every mesoscale discussion in 2013

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.