Alert archive / Kansas / Mesoscale Discussions in 2008

Mesoscale Discussion 861

May 10, 200822 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at May 10, 2008, 1:50 PM CDT for 22 counties in Kansas. It was in force for 115 min.

The area

The outline as issued.

The facts

Issued: May 10, 2008, 1:50 PM CDT (18:50 UTC)
Expired: May 10, 2008, 3:45 PM CDT
In force: 115 min
Issued by: the Storm Prediction Center

All 22 counties

Barber County, KS, Barton County, KS, Dickinson County, KS, Edwards County, KS, Ellsworth County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Kiowa County, KS, Lincoln County, KS, Marion County, KS, McPherson County, KS, Pawnee County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Sedgwick County, KS, Stafford County, KS, Sumner County, KS

The radar

The Wichita radar (KICT), 95 km from the middle of the area, began a volume at 18:52 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

Lamont, OK (KLMN), launched 12:00Z, 6.8 hours before the alert went out and 168 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: 161 J/kg
Mixed-layer CIN: -607 J/kg
Mixed-layer LCL: 1021 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 487 m²/s²
0-3 km storm-relative helicity: 804 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 9, 11:16 PM CDT	Mesoscale Discussion	SPC	Cheyenne, Decatur, Norton, Rawlins	2 hr
May 10, 7:36 AM CDT	Mesoscale Discussion	SPC	Allen, Bourbon, Butler, Chase, Chautauqua, Cherokee and 11 more	2 hr
May 10, 10:55 AM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Cherokee, Crawford, Douglas and 6 more	2 hr
May 10, 11:29 AM CDT	Tornado Watch	SPC	Allen, Anderson, Bourbon, Butler, Chase, Chautauqua and 18 more	9 hr
May 10, 5:13 PM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 19 more	2 hr

Nearby

Mesoscale Discussions in Kansas, 2008 Every mesoscale discussion in 2008

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.