Alert archive / Kansas / Mesoscale Discussions in 2003

Mesoscale Discussion 2600

December 12, 200317 counties in Kansas; 10 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Dec 12, 2003, 2:24 PM CST for 17 counties in Kansas; 10 counties in Oklahoma. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Dec 12, 2003, 2:24 PM CST (20:24 UTC)
Expired: Dec 12, 2003, 5:30 PM CST
In force: 3 hr
Issued by: the Storm Prediction Center

All 27 counties

Barber County, KS, Barton County, KS, Butler County, KS, Cowley County, KS, Edwards County, KS, Harper County, KS, Harvey County, KS, Hodgeman 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, Canadian County, OK, Garfield County, OK, Grant County, OK, Kay County, OK, Kingfisher County, OK, Logan County, OK, Major County, OK, Noble County, OK

The radar

The Vance AFB radar (KVNX), 54 km from the middle of the area, began a volume at 20:26 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

Norman, OK (KOUN), launched 12:00Z, 8.4 hours before the alert went out and 235 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1011 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 285 m²/s²
0-3 km storm-relative helicity: 273 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
Dec 12, 10:57 AM CST	Mesoscale Discussion	SPC	Clark, Comanche, Edwards, Finney, Ford, Grant and 9 more	3 hr
Dec 12, 5:57 PM CST	Mesoscale Discussion	SPC	Barber, Cherokee, Comanche, Harper, Harvey, Kingman and 5 more	6 hr
Dec 12, 11:28 AM CST	Mesoscale Discussion	SPC	Alfalfa, Beckham, Blaine, Caddo, Canadian, Custer and 15 more	3 hr

Nearby

Mesoscale Discussions in Kansas, 2003 Mesoscale Discussions in Oklahoma, 2003 Every mesoscale discussion in 2003

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.