Alert archive / Kansas / Mesoscale Discussions in 2007

Mesoscale Discussion 1466

July 12, 200717 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at Jul 12, 2007, 10:51 PM CDT for 17 counties in Kansas. It was in force for 84 min.

The area

The outline as issued.

The facts

Issued: Jul 12, 2007, 10:51 PM CDT (03:51 UTC)
Expired: Jul 13, 2007, 12:15 AM CDT
In force: 84 min
Issued by: the Storm Prediction Center

Counties Barton County, KS, Edwards County, KS, Gove County, KS, Hodgeman County, KS, Kiowa County, KS, Lane County, KS, Logan County, KS, Ness County, KS, Pawnee County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Rush County, KS, Scott County, KS, Stafford County, KS, Trego County, KS, Wichita County, KS

The radar

The Dodge City radar (KDDC), 72 km from the middle of the area, began a volume at 03:51 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, 3.9 hours before the alert went out and 72 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: 2723 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1249 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 47 m²/s²
0-3 km storm-relative helicity: 123 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 6.7

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
Jul 12, 8:29 PM CDT	Mesoscale Discussion	SPC	Barton, Cheyenne, Clark, Clay, Cloud, Comanche and 47 more	91 min

Nearby

Mesoscale Discussions in Kansas, 2007 Every mesoscale discussion in 2007

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.