Alert archive / Kansas / Mesoscale Discussions in 2016

Mesoscale Discussion 1256

July 12, 201611 counties in Kansas; 6 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Jul 12, 2016, 4:01 AM CDT for 11 counties in Kansas; 6 counties in Missouri. It was in force for 59 min.

The area

The outline as issued.

The facts

Issued: Jul 12, 2016, 4:01 AM CDT (09:01 UTC)
Expired: Jul 12, 2016, 5:00 AM CDT
In force: 59 min
Issued by: the Storm Prediction Center
Chance of a watch: 20%

Counties Anderson County, KS, Coffey County, KS, Douglas County, KS, Franklin County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Osage County, KS, Shawnee County, KS, Wyandotte County, KS, Bates County, MO, Cass County, MO, Henry County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO

The radar

The Pleasant Hill radar (KEAX), 48 km from the middle of the area, began a volume at 09:02 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, 9.0 hours before the alert went out and 86 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: 2533 J/kg
Mixed-layer CIN: -124 J/kg
Mixed-layer LCL: 1388 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 333 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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
Jul 11, 7:25 PM CDT	Mesoscale Discussion	SPC	Clay, Cloud, Ellis, Jewell, Lincoln, Mitchell and 7 more	65 min
Jul 11, 10:56 PM CDT	Mesoscale Discussion	SPC	Barton, Butler, Chase, Clay, Cloud, Coffey and 26 more	2 hr
Jul 12, 5:11 PM CDT	Mesoscale Discussion	SPC	Grant, Gray, Haskell, Kearny, Meade, Morton and 3 more	94 min

Nearby

Mesoscale Discussions in Kansas, 2016 Mesoscale Discussions in Missouri, 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.