Alert archive / Missouri / Mesoscale Discussions in 2016

Mesoscale Discussion 1598

August 26, 2016Johnson County, Wyandotte County, Kansas; 12 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Aug 26, 2016, 9:35 PM CDT for Johnson County, Wyandotte County, Kansas; 12 counties in Missouri. It was in force for 55 min.

The area

The outline as issued.

The facts

Issued: Aug 26, 2016, 9:35 PM CDT (02:35 UTC)
Expired: Aug 26, 2016, 10:30 PM CDT
In force: 55 min
Issued by: the Storm Prediction Center

Counties Johnson County, KS, Wyandotte County, KS, Caldwell County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, Jackson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Ray County, MO

The radar

The Pleasant Hill radar (KEAX), 65 km from the middle of the area, began a volume at 02:36 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, 2.6 hours before the alert went out and 141 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: 598 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 908 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 50 m²/s²
0-3 km storm-relative helicity: 68 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 3.1

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
Aug 26, 8:12 PM CDT	Mesoscale Discussion	SPC	Decatur, Ellis, Gove, Graham, Lane, Logan and 13 more	63 min
Aug 27, 3:27 PM CDT	Mesoscale Discussion	SPC	Finney, Grant, Gray, Greeley, Hamilton, Haskell and 9 more	93 min
Aug 26, 7:46 PM CDT	Mesoscale Discussion	SPC	Livingston, Ray	89 min

Nearby

Mesoscale Discussions in Missouri, 2016 Mesoscale Discussions in Kansas, 2016 Every mesoscale discussion in 2016

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.