Alert archive / Missouri / Mesoscale Discussions in 2013

Mesoscale Discussion 2007

November 16, 201322 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Nov 16, 2013, 7:53 PM CST for 22 counties in Missouri. It was in force for 67 min.

The area

The outline as issued.

The facts

Issued: Nov 16, 2013, 7:53 PM CST (01:53 UTC)
Expired: Nov 16, 2013, 9:00 PM CST
In force: 67 min
Issued by: the Storm Prediction Center

All 22 counties

Adair County, MO, Andrew County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Mercer County, MO, Platte County, MO, Putnam County, MO, Ray County, MO, Schuyler County, MO, Sullivan County, MO

The radar

The Pleasant Hill radar (KEAX), 129 km from the middle of the area, began a volume at 01:54 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 (KFOE), launched 00:00Z, 1.9 hours before the alert went out and 192 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: 541 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 1617 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 203 m²/s²
0-3 km storm-relative helicity: 267 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.4

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
Nov 16, 11:29 PM CST	Mesoscale Discussion	SPC	Bollinger, Butler, Cape Girardeau, Carter, Howell, Madison and 6 more	61 min
Nov 17, 2:06 AM CST	Mesoscale Discussion	SPC	Bollinger, Butler, Cape Girardeau, Dunklin, Mississippi, New Madrid and 6 more	84 min
Nov 17, 7:47 AM CST	Mesoscale Discussion	SPC	Adair, Audrain, Boone, Callaway, Clark, Cole and 24 more	88 min
Nov 17, 8:40 AM CST	Tornado Watch PDS	SPC	Audrain, Callaway, Franklin, Gasconade, Jefferson, Lincoln and 8 more	7 hr
Nov 17, 10:17 AM CST	Mesoscale Discussion	SPC	Bollinger, Butler, Cape Girardeau, Carter, Crawford, Dent and 18 more	118 min
Nov 17, 10:43 AM CST	Tornado Watch	SPC	Bollinger, Butler, Cape Girardeau, Carter, Crawford, Dunklin and 14 more	8 hr
Nov 17, 10:49 AM CST	Mesoscale Discussion	SPC	Lincoln, Saint Charles, Saint Louis, City of Saint Louis	86 min
Nov 17, 11:57 AM CST	Mesoscale Discussion	SPC	Bollinger, Butler, Cape Girardeau, Carter, Dunklin, Iron and 13 more	93 min
Nov 17, 1:05 PM CST	Mesoscale Discussion	SPC	Butler, Mississippi, New Madrid, Scott, Stoddard	55 min
Nov 17, 2:43 PM CST	Mesoscale Discussion	SPC	Dunklin, Mississippi, New Madrid, Pemiscot, Scott, Stoddard	62 min
Nov 17, 3:46 PM CST	Mesoscale Discussion	SPC	Dunklin, Pemiscot	89 min

Nearby

Mesoscale Discussions in Missouri, 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.