Alert archive / Kansas / Mesoscale Discussions in 2004

Mesoscale Discussion 832

May 22, 200420 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at May 22, 2004, 7:49 PM CDT for 20 counties in Kansas. It was in force for 86 min.

The area

The outline as issued.

The facts

Issued: May 22, 2004, 7:49 PM CDT (00:49 UTC)
Expired: May 22, 2004, 9:15 PM CDT
In force: 86 min
Issued by: the Storm Prediction Center

Counties Barton County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Ellsworth County, KS, Geary County, KS, Jewell County, KS, Lincoln County, KS, Marion County, KS, Marshall County, KS, McPherson County, KS, Mitchell County, KS, Morris County, KS, Ottawa County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Russell County, KS, Saline County, KS, Washington County, KS

The radar

The Grand Island radar (KUEX), 123 km from the middle of the area, began a volume at 00:50 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Tornado Watch 256May 22, 10:40 PM CDT

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 0.8 hours before the alert went out and 190 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: 2741 J/kg
Mixed-layer CIN: -101 J/kg
Mixed-layer LCL: 1089 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 167 m²/s²
0-3 km storm-relative helicity: 264 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 21.9

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 22, 10:09 PM CDT	Mesoscale Discussion	SPC	Barton, Clay, Cloud, Dickinson, Ellsworth, Geary and 13 more	66 min
May 22, 10:40 PM CDT	Tornado Watch	SPC	Atchison, Brown, Clay, Cloud, Dickinson, Doniphan and 10 more	5 hr
May 22, 11:33 PM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Clay, Cloud, Dickinson, Doniphan and 10 more	87 min
May 23, 1:21 AM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Dickinson, Doniphan, Douglas, Geary and 13 more	24 min
May 23, 2:21 AM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Doniphan, Jackson, Pottawatomie	54 min

Nearby

Mesoscale Discussions in Kansas, 2004 Every mesoscale discussion in 2004

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.