Alert archive / Kansas / Mesoscale Discussions in 2005

Mesoscale Discussion 2008

August 17, 200518 counties in Kansas; 9 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Aug 17, 2005, 3:24 PM CDT for 18 counties in Kansas; 9 counties in Oklahoma. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Aug 17, 2005, 3:24 PM CDT (20:24 UTC)
Expired: Aug 17, 2005, 5:30 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center

All 27 counties

Barber County, KS, Barton County, KS, Clark County, KS, Comanche County, KS, Cowley 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, Rush County, KS, Sedgwick County, KS, Stafford County, KS, Sumner County, KS, Alfalfa County, OK, Ellis County, OK, Garfield County, OK, Grant County, OK, Harper County, OK, Kay County, OK, Major County, OK, Woods County, OK, Woodward County, OK

The radar

The Vance AFB radar (KVNX), 88 km from the middle of the area, began a volume at 20:23 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 12:00Z, 8.4 hours before the alert went out and 127 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: 529 J/kg
Mixed-layer CIN: -117 J/kg
Mixed-layer LCL: 856 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 33 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

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
Aug 17, 3:45 PM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Doniphan, Nemaha	2 hr

Nearby

Mesoscale Discussions in Kansas, 2005 Mesoscale Discussions in Oklahoma, 2005 Every mesoscale discussion in 2005

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.