Alert archive / Kansas / Mesoscale Discussions in 2010

Mesoscale Discussion 862

June 8, 20109 counties in Kansas; 4 counties in Missouri; Ottawa County, Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Jun 8, 2010, 10:29 PM CDT for 9 counties in Kansas; 4 counties in Missouri; Ottawa County, Oklahoma. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Jun 8, 2010, 10:29 PM CDT (03:29 UTC)
Expired: Jun 9, 2010, 1:30 AM CDT
In force: 3 hr
Issued by: the Storm Prediction Center

Counties Allen County, KS, Cherokee County, KS, Coffey County, KS, Crawford County, KS, Greenwood County, KS, Labette County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Ottawa County, OK

The radar

The Tulsa radar (KINX), 137 km from the middle of the area, began a volume at 03:30 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

Springfield, MO (KSGF), launched 00:00Z, 3.5 hours before the alert went out and 135 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: 2487 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 1152 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 184 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.7

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 8, 8:34 PM CDT	Mesoscale Discussion	SPC	Allen, Bourbon, Chautauqua, Cherokee, Cowley, Crawford and 6 more	56 min
Jun 9, 5:15 AM CDT	Mesoscale Discussion	SPC	Cowley, Sumner	3 hr
Jun 9, 3:39 PM CDT	Tornado Watch	SPC	Cheyenne	6 hr

Nearby

Mesoscale Discussions in Kansas, 2010 Mesoscale Discussions in Missouri, 2010 Mesoscale Discussions in Oklahoma, 2010 Every mesoscale discussion in 2010

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.