Alert archive / Kansas / Mesoscale Discussions in 2011

Mesoscale Discussion 1032

May 30, 201118 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at May 30, 2011, 3:33 PM CDT for 18 counties in Kansas. It was in force for 87 min.

The area

The outline as issued.

The facts

Issued: May 30, 2011, 3:33 PM CDT (20:33 UTC)
Expired: May 30, 2011, 5:00 PM CDT
In force: 87 min
Issued by: the Storm Prediction Center

Counties Clark County, KS, Edwards County, KS, Ellis County, KS, Ford County, KS, Gove County, KS, Graham County, KS, Gray County, KS, Hodgeman County, KS, Kiowa County, KS, Lane County, KS, Meade County, KS, Ness County, KS, Norton County, KS, Pawnee County, KS, Rooks County, KS, Rush County, KS, Sheridan County, KS, Trego County, KS

The radar

The Dodge City radar (KDDC), 90 km from the middle of the area, began a volume at 20:31 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

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.6 hours before the alert went out and 289 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: 1099 J/kg
Mixed-layer CIN: -360 J/kg
Mixed-layer LCL: 2078 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 296 m²/s²
0-3 km storm-relative helicity: 302 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
May 29, 7:16 PM CDT	Tornado Watch	SPC	Jewell, Mitchell, Osborne, Smith	4 hr
May 29, 9:24 PM CDT	Mesoscale Discussion	SPC	Republic	96 min

Nearby

Mesoscale Discussions in Kansas, 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.