Alert archive / Missouri / Mesoscale Discussions in 2014

Mesoscale Discussion 1206

June 29, 2014Wyandotte County, Kansas; 17 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Jun 29, 2014, 11:36 PM CDT for Wyandotte County, Kansas; 17 counties in Missouri. It was in force for 54 min.

The area

The outline as issued.

The facts

Issued: Jun 29, 2014, 11:36 PM CDT (04:36 UTC)
Expired: Jun 30, 2014, 12:30 AM CDT
In force: 54 min
Issued by: the Storm Prediction Center

Counties Wyandotte County, KS, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Grundy County, MO, Jackson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Platte County, MO, Ray County, MO, Saline County, MO, Sullivan County, MO

The radar

The Pleasant Hill radar (KEAX), 81 km from the middle of the area, began a volume at 04:38 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, 4.6 hours before the alert went out and 154 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: 4952 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 878 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 91 m²/s²
0-3 km storm-relative helicity: 145 m²/s²
Significant tornado parameter: 1.8
Supercell composite: 9.5

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
Jun 29, 9:02 PM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Doniphan, Douglas, Franklin, Jackson and 7 more	88 min
Jun 30, 12:06 PM CDT	Mesoscale Discussion	SPC	Anderson, Atchison, Brown, Chase, Clay, Coffey and 26 more	54 min
Jun 30, 3:52 PM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Clay, Cloud, Dickinson, Doniphan and 18 more	113 min
Jun 30, 3:55 PM CDT	Mesoscale Discussion	SPC	Clark, Comanche, Ford, Gray, Haskell, Kiowa and 4 more	65 min
Jun 30, 5:29 PM CDT	Tornado Watch	SPC	Atchison, Doniphan, Johnson, Leavenworth, Wyandotte	6 hr
Jun 30, 6:30 PM CDT	Severe Thunderstorm Watch	SPC	Barber, Clark, Comanche, Edwards, Finney, Ford and 15 more	6 hr
Jun 30, 6:50 PM CDT	Mesoscale Discussion	SPC	Atchison, Barber, Chase, Clark, Comanche, Douglas and 21 more	85 min
Jun 29, 10:10 PM CDT	Mesoscale Discussion	SPC	Nodaway, Worth	65 min
Jun 30, 2:03 PM CDT	Tornado Watch	SPC	Clark, Scotland	5 hr
Jun 30, 3:25 PM CDT	Mesoscale Discussion	SPC	Clark, Scotland	35 min
Jun 30, 5:12 PM CDT	Mesoscale Discussion	SPC	Adair, Andrew, Buchanan, Caldwell, Clark, Clinton and 20 more	63 min

Nearby

Mesoscale Discussions in Missouri, 2014 Mesoscale Discussions in Kansas, 2014 Every mesoscale discussion in 2014

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.