Alert archive / Kansas / Mesoscale Discussions in 2011

Mesoscale Discussion 1190

June 11, 201115 counties in Kansas; 10 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2011, 9:37 PM CDT for 15 counties in Kansas; 10 counties in Oklahoma. It was in force for 53 min.

The area

The outline as issued.

The facts

Issued: Jun 11, 2011, 9:37 PM CDT (02:37 UTC)
Expired: Jun 11, 2011, 10:30 PM CDT
In force: 53 min
Issued by: the Storm Prediction Center

All 25 counties

Barber County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Kiowa County, KS, Pawnee County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Sedgwick County, KS, Stafford County, KS, Sumner County, KS, Alfalfa County, OK, Blaine County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grant County, OK, Harper County, OK, Major County, OK, Woods County, OK, Woodward County, OK

The radar

The Vance AFB radar (KVNX), 73 km from the middle of the area, began a volume at 02:38 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

Dodge City, (KDDC), launched 00:00Z, 2.6 hours before the alert went out and 134 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: 889 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 1800 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: 187 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 11, 7:07 PM CDT	Mesoscale Discussion	SPC	Cheyenne, Greeley, Sherman, Wallace, Wichita	53 min
Jun 12, 4:53 PM CDT	Mesoscale Discussion	SPC	Cheyenne	67 min
Jun 12, 12:23 AM CDT	Mesoscale Discussion	SPC	Adair, Cherokee, Craig, Creek, Delaware, Kay and 12 more	67 min
Jun 12, 12:33 AM CDT	Severe Thunderstorm Watch	SPC	Adair, Cherokee, Craig, Creek, Delaware, McIntosh and 12 more	3 hr
Jun 12, 2:07 AM CDT	Mesoscale Discussion	SPC	Adair, Cherokee, Craig, Creek, Delaware, McIntosh and 11 more	113 min

Nearby

Mesoscale Discussions in Kansas, 2011 Mesoscale Discussions in Oklahoma, 2011 Every mesoscale discussion in 2011

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.